1

PAUL J. DAGDIGIAN

Department of Chemistry

The Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218

Phone_ (410) 516-7438; e-mail: pjdagdigian@jhu.edu

RESEARCH INTERESTS

Physical Chemistry: Dynamics of molecular collisions, reactive intermediates, chemical reactions,

vibrational and rotational energy transfer, laser spectroscopy, laser-based detection techniques

EDUCATION

1967 B.A. Magna cum laude, major: chemistry, Haverford College

1972 Ph.D. Research area: physical chemistry, University of Chicago

APPOINTMENTS

1972-1974 Postdoctoral Associate, Dept. Chemistry, Columbia University, advisor: R. N. Zare

1974-1978 Assistant Professor, Department of Chemistry, Johns Hopkins University

1979-1980 Associate Professor, Department of Chemistry, Johns Hopkins University

1981-present Professor, Department of Chemistry, Johns Hopkins University

1998-2005 Chair, Department of Chemistry, Johns Hopkins University

1999-present Arthur D. Chambers Professor of Chemistry, The Johns Hopkins University

2005-2006 Visiting Fellow, JILA, University of Colorado

2005-present Adjunct Professor, Department of Chemistry and Biochemistry, U. Maryland

2013-1014 Visiting Professor, U. New South Wales, UNSW Canberra Campus, Australia

FELLOWSHIPS AND AWARDS

1976-1980 Alfred P. Sloan Research Fellow

1977-1982 Camille and Henry Dreyfus Teacher-Scholar

2007 Maryland Chemist of the Year, Maryland Section of the ACS

SERVICE TO DEPARTMENT, UNIVERSITY, AND COMMUNITY (selected)

1982-1984 Member, Editorial Board, The Journal of Chemical Physics

1985-1991 Eastern U.S. Editor, Laser Chemistry (Gordon and Breach Science Publishers)

1985 Vice-chair, 1985 Conference on the Dynamics of Molecular Collisions

1987 Chair, 1987 Conference on the Dynamics of Molecular Collisions

1988 Participant, ARO Workshop on Nitramine Propellant Ignition and Combustion,

Chapel Hill, NC

1988-1989 Member, Program Committee, Quantum Electronics Laser Science Meeting,

Baltimore, MD

1989-1990 Vice-Chair, Division of Chemical Physics, American Physical Society

1990-1991 Member, Program Committee, Quantum Electronics Laser Science Meeting,

Baltimore, MD

1990-1992 Chair, Division of Chemical Physics, American Physical Society

1992 Member, Workshop on Local Measurement Techniques for Tropospheric OH and

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HO2, Menlo Park, CA

1995-1996 Co-organizer, ACS Symposium on Bimolecular Interactions of Small Free Radicals

2002 Vice-chair, Gordon Research Conference on Atomic and Molecular Interactions

2004 Chair, Gordon Research Conference on Atomic and Molecular Interactions

2004 Member, Herbert P. Broida Prize Committee, American Physical Society

2004 Participant, U.S.-Egypt Workshop on Laser Chemistry and Applications to

Materials and Biomedical Research, Cairo, Egypt

2006 Evaluator of Chemistry Department of St. Mary's College of Maryland for ACS

Committee on Professional Training

2006 Participant, Investment Strategy Meeting, Army Research Office

2006-2011 Member, Homewood Academic Council, Johns Hopkins University

2006-2012 Member, American Chemical Society Petroleum Fund Advisory Board

2008 Member, Army Chemistry Coordinating Group, Army Research Office

2010 Organizer, Symposium on Laser-Based Detection of CBE Threats, Pacifichem 2010

2010 Rapporteur, Habilitation of François Lique, Université du Havre, FR

2011-2012 Member, Tenure and Appointment Procedures Committee, Johns Hopkins U.

2011-present Visiting Associate, Committee on Professional Training, ACS

2012 Evaluator of Chemistry Department of New Jersey Institute of Technology for ACS

Committee on Professional Training

2013-2017 Member, Homewood Academic Council, Johns Hopkins University

PROFESSIONAL SOCIETIES

Fellow, American Physical Society

Member, American Chemical Society

PUBLICATIONS

1. P. J. Dagdigian, J. Graff and L. Wharton, “Stark effect of NaLi X1+,” J. Chem. Phys. 55, 4980-

4982 (1971).

2. J. Graff, P. J. Dagdigian and L. Wharton, “Electric resonance spectrum of NaLi,” J. Chem. Phys.

57, 710-714 (1972).

3. P. J. Dagdigian and L. Wharton, “Molecular beam electric deflection and resonance

spectroscopy of the heteronuclear alkali dimers: 39K7Li, Rb7Li, 39K23Na, Rb23Na, and 133Cs23Na,” J. Chem. Phys. 57, 1487-1496 (1972).

4. P. J. Dagdigian and L. Wharton, “Stark effect of BaCl2,” J. Chem. Phys. 58, 1243-1245 (1973).

5. H. W. Cruse, P. J. Dagdigian and R. N. Zare, “Crossed-beam reactions of barium with hydrogen

halides: Measurement of internal state distributions by laser-induced fluorescence,” Faraday

Discuss. Chem. Soc. 55, 277-292 (1973).

6. P. J. Dagdigian, H. W. Cruse and R. N. Zare, “Radiative lifetimes of the alkaline earth

monohalides,” J. Chem. Phys. 60, 2330-2339 (1974).

7. R. N. Zare and P. J. Dagdigian, “Tunable laser fluorescence method for product state analysis,”

Science 185, 739-747 (1974).

8. P. J. Dagdigian and R. N. Zare, “Primitive angular distribution studies of internal states in

crossed-beam reactions using laser fluorescence detection,” J. Chem. Phys. 61, 2464-2465

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(1974).

9. P. J. Dagdigian, H. W. Cruse, A. Schultz and R. N. Zare, “Product state analysis of BaO from

the feactions Ba + CO2 and Ba + O2,” J. Chem. Phys. 61, 4450-4465 (1974).

10. P. J. Dagdigian, H. W. Cruse and R. N. Zare, “Laser fluorescence study of AlO formed in the

reaction Al + O2: Product state distribution, dissociation energy, and radiative lifetime,” J.

Chem. Phys. 62, 1824-1833 (1975).

11. P. J. Dagdigian, “Detection of LiH and NaH molecular beams by laser fluorescence and

measurement of radiative lifetimes of the A1+ state,” J. Chem. Phys. 64, 2609-2615 (1976).

12. P. J. Dagdigian, H. W. Cruse and R. N. Zare, “Vibrational state analysis of unrelaxed BaI from

the reactions Ba + CH3I and Ba + CH2I2,” Chem. Phys. 15, 249-260 (1976).

13. L. Pasternack and P. J. Dagdigian, “Laser-fluorescence study of the reactions of alkaline earth

atoms with BrCN: Spectroscopic observations of the alkaline earth monocyanides,” J. Chem.

Phys. 65, 1320-1326 (1976).

14. M. H. Alexander, P. J. Dagdigian and A. E. DePristo, “Quantum interpretation of full state-

selected rotationally inelastic collision experiments,” J. Chem. Phys. 66, 59-66 (1977)

15. Book review: “Gas Kinetics,” by M. F. R. Mulcahy, J. Chem. Educ. 54, A197 (1977).

16. L. Pasternack and P. J. Dagdigian, “Time-of-flight velocity selection using pulsed tunable laser

fluorescence detection,” Rev. Sci. Instrum. 48, 226-228 (1977).

17. P. J. Dagdigian, “Dependence of collision complex lifetime on product internal state: Laser

fluorescence detection of the Ca + NaCl crossed beam reaction,” Chem. Phys. 21, 453-466

(1977).

18. M. H. Alexander and P. J. Dagdigian, “Rotational alignment in inelastic collisions,” J. Chem.

Phys. 66, 4126-4132 (1977).

19. B. E. Wilcomb and P. J. Dagdigian, “Determination of state resolved rotationally inelastic cross

sections: LiH(j=1) – Ar,” J. Chem. Phys. 67, 3829-3830 (1977).

20. L. Pasternack and P. J. Dagdigian, “The effect of reagent translation on product internal energy

distributions: Laser fluorescence study of Al + O2,” J. Chem. Phys. 67, 3854-3863 (1977).

21. P. J. Dagdigian, “Determination of the absolute chemiluminescence cross section and photon

yield for the Ca(4s4p 3P) + N2O reaction,” Chem. Phys. Lett. 55, 239-244 (1978).

22. L. Pasternack and P. J. Dagdigian, “The reaction of metastable Ca atoms with O2 and CO2,”

Chem. Phys. 33, 1-11 (1978).

23. M. H. Alexander and P. J. Dagdigian, “Statistical and dynamical influences on electronic

branching in reactions of dround- and excited-state alkaline earth atoms with molecular

oxidants,” Chem. Phys. 33, 13-25 (1978).

24. B. E. Wilcomb and P. J. Dagdigian, “Visible chemiluminescence from the reaction of metastable

Sr with N2O: Absolute cross section and photon yield,” J. Chem. Phys. 69, 1779-1781 (1978).

25. Book review: “Vibrational and Rotational Relaxation in Gases,” by J. D. Lambert, J. Chem.

Educ. 56, A42 (1979).

26. P. J. Dagdigian, B. E. Wilcomb and M. H. Alexander, “LiH state-to-state rotationally inelastic

cross sections in collisions with HCl and DCl,” J. Chem. Phys. 71, 1670-1682 (1979).

27. P. J. Dagdigian, “Ground state dipole moment of NaH,” J. Chem. Phys. 71, 2328-2329 (1979).

28. P. J. Dagdigian and J. P. Doering, “Measurement of the rotational energy distribution of ground

state N2+ ions from H2

+ – N2 collisions by laser induced fluorescence,” Chem. Phys. Lett. 64,

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200-202 (1979).

29. M. H. Alexander and P. J. Dagdigian, in “Translation Excitation – General Discussion,” Faraday

Disc. Chem. Soc. 67, 141-142 (1979); in “Electronic Excitation – General Discussion,” ibid.

357.

30. L. Pasternack, D. M. Silver, D. R. Yarkony and P. J. Dagdigian, “Experimental and theoretical

study of the CaI 4s3d 1D – 4s2 1S and 4s4p 3P1 – 4s2 1S forbidden transition,” J. Phys. B 13,

2231-2241 (1980).

31. P. J. Dagdigian, “Laser fluorescence measurements of integral cross sections for rotational

transitions of state-selected lithium hydride,” in International Conference on the Physics of

Electronic and Atomic Collisions, edited by N. Oda and K. Takayanagi (North-Holland

Publishing Co., Amsterdam, 1980), pp. 513-521.

32. P. J. Dagdigian and B. E. Wilcomb, “Rotationally inelastic collisions of LiH with He. III.

Experimental determination of state-to-state cross sections,” J. Chem. Phys. 72, 6462-6465

(1980).

33. P. J. Dagdigian and M. H. Alexander, “Experimental and theoretical study of rotationally

inelastic polar molecule collisions: 7LiH – HCN,” J. Chem. Phys. 72, 6513-6520 (1980).

34. J. A. Irvin and P. J. Dagdigian, “Chemiluminescence from the Ca(4s3d 1D) + O2 reaction:

Absolute cross sections, photon yield, and CaO dissociation energy,” J. Chem. Phys. 73, 176-

182 (1980).

35. M. H. Alexander and P. J. Dagdigian, “The Failure of rigid shell models for rotationally inelastic

LiH – He collisions,” J. Chem. Phys. 73, 1233-1237 (1980).

36. P. J. Dagdigian, “Measurement of the vibrational state dependence of the LiH A1+ dipole

moment,” J. Chem. Phys. 73, 2049-2051 (1980).

37. M. H. Alexander, E. F. Jendrek and P. J. Dagdigian, “Validity of energy gap representations of

rotationally inelastic cross sections between polar molecules,” J. Chem. Phys. 73, 3797-3803

(1980).

38. P. J. Dagdigian, “Collisional vibrational excitation of lithium hydride,” Chem. Phys. 52, 279-285

(1980).

39. R. Diffenderfer, P. J. Dagdigian and D. R. Yarkony, “Spin forbidden radiative transitions in

atomic calcium,” J. Phys. B 14, 21-27 (1981).

40. J. A. Irvin and P. J. Dagdigian, “A study of the reactions Ca (1S, 3P, and 1D) + N2O under

single-collision conditions and at higher pressures: Chemiluminescence cross sections, photon

yields, and collisional energy transfer in CaO* by N2O,” J. Chem. Phys. 74 , 6178-6187 (1981).

41. P. J. Dagdigian, “Laser fluorescence study of MgO formed from Mg(3s3p 3P) + O2 and N2O

under single-collision conditions,” J. Chem. Phys. 76, 5375-5384 (1982).

42. P. J. Dagdigian, “Electric deflection study of CaCl: Estimate of the ground state dipole

moment,” Chem. Phys. Lett. 88, 225-228 (1982).

43. J. W. Cox and P. J. Dagdigian, “Single-collision chemiluminescence study of the Sr(1S, 3P) and

Mg(3P) + N2O reactions,” J. Phys. Chem. 86, 3738-3745 (1982).

44. S. P. Hernandez, P. J. Dagdigian and J. P. Doering, “N2 rotational energy distributions in cold,

supersonic beams from electron excited fluorescence measurements of N2+,” Chem. Phys. Lett.

91, 409-412 (1982).

45. S. P. Hernandez, P.J. Dagdigian and J. P. Doering, “Experimental verification of the breakdown

5

of the electric dipole rotational selection rule in electron impact ionization-excitation of N2,” J.

Chem. Phys. 77, 6021-6026 (1982).

46. P. J. Dagdigian, “Quantum-state-resolved scattering of lithium hydride,” in Energy Storage and

Redistribution in Molecules, edited by J. Hinze (Plenum, New York, 1983), pp. 149-163.

47. R. N. Diffenderfer, D. R. Yarkony and P. J. Dagdigian, “Radiative lifetimes and transition

moments in MgO,” J. Quant. Spectrosc. Radiat. Transfer 29, 329-331 (1983).

48. P. J. Dagdigian and J. P. Doering, “Electron impact ionization-excitation of CO in a supersonic

beam,” J. Chem. Phys. 78, 1846-1850 (1983).

49. H.-J. Yuh and P. J. Dagdigian, “Intramultiplet mixing in collisions of calcium 4s4p 3P with

helium: Measurement of state-to-state cross sections,” Phys. Rev. A 28, 63-72 (1983).

50. M. H. Alexander and P. J. Dagdigian, “Propensity roles in rotationally inelastic collisions of

diatomic molecules in 3 electronic states,” J. Chem. Phys. 79, 302-310 (1983).

51. H.-J. Yuh and P. J. Dagdigian, “Effect of atomic spin-orbit state on reactivity: Reaction of state-

selected Ca(3PJ) with Cl2,” J. Chem. Phys. 79, 2086-2088 (1983).

52. J. W. Cox and P. J. Dagdigian, “Single-collision chemiluminescence study of the Ba(1S, 3D) +

NO2, N2O, O3 reactions,” J. Chem. Phys. 79, 5351-5359 (1983).

53. M. H. Alexander and P. J. Dagdigian, “Clarification of the electronic charge asymmetry in -

state -doublets with some implications for molecular collisions,” J. Chem. Phys. 80, 4325-4332

(1984).

54. B. Pinchemel and P. J. Dagdigian, “Collisional vibrational relaxation in the A2 state of CN,”

Chem. Phys. Lett. 106, 313-316 (1984).

55. J. W. Cox and P. J. Dagdigian, “Chemiluminescence and laser fluorescence study of several

Mg(1S, 3P) oxidation reactions: On the MgO dissociation energy,” J. Phys. Chem. 88, 2455-

2459 (1984).

56. S. J. Bullman and P. J. Dagdigian,. “Electric quadrupole refocusing of CaBr: Differential

transmission of hyperfine levels and assignment of low J lines in optical spectra,” Chem Phys.

88, 479-483 (1984).

57. H.-J. Yuh and P. J. Dagdigian, “Spin-orbit effects in chemical reactions: The reaction of spin-

orbit state-selected Ca(3PJ) with Cl2, Br2, and CH3Cl,” J. Chem. Phys. 81, 2375-2384 (1984).

58. S. J. Bullman and P.J. Dagdigian, “Propensity rules in rotationally inelastic polar molecule

collisions involving 2+ molecules: CaCl(X2+) – CH3Cl,” J. Chem. Phys. 81, 3347-3348

(1984).

59. H.-J. Yuh and P. J. Dagdigian, “State-resolved fine-structure transitions in collisions of Ca 4s4p 3PJ with H2 and D2 molecules,” J. Phys. B 17, 4351-4357 (1984).

60. P. J. Dagdigian, “Spin-orbit effects in chemiluminescent reactions of state-selected Ca(3PJ),” in

Gas-Phase Chemiluminescence and Chemi-Ionization, edited by A. Fontijn (North-Holland

Publishing Co., Amsterdam, 1985), pp. 203-219

61. P. J. Dagdigian and S. J. Bullman, “State-resolved rotationally inelastic cross sections of

CaCl(X2+) with polar molecule targets,” J. Chem. Phys. 82, 1341-1350 (1985).

62. N. Furio and P. J. Dagdigian, “Chemiluminescence study of the Ca(1D) + BrCN reaction:

Estimate of the CaCN dissociation energy,” Chem. Phys. Lett. 115, 358-361 (1985).

63. M. H. Alexander, S. L. Davis, and P. J. Dagdigian, “Inelastic collisions of CaCl(X2+) with Ar:

A collaborative theoretical and experimental study,” J. Chem. Phys. 83, 556-566 (1985).

6

64. M. H. Alexander and P. J. Dagdigian, “Collision-induced transitions between molecular

hyperfine levels: Quantum formalism, propensity rules, and experimental study of CaBr(X2+) +

Ar,” J. Chem. Phys. 83, 2191-2200 (1985).

65. G. C. Corey, M. H. Alexander, and P. J. Dagdigian, “Rotationally inelastic collisions between a

molecule in a 2S+1 electronic state and an open-shell target: General quantum analysis and

experimental measurement of state-resolved cross sections for CaCl(X2+) + NO(X2),” J.

Chem. Phys. 84, 1547-1553 (1986).

66. N. Furio, M. L. Campbell, and P. J. Dagdigian, “Dependence of the chemiluminescence cross

section on spin-orbit state for the reaction of Ca(3PJ) with alkyl bromides,” J. Chem. Phys. 84,

4332-4340 (1986).

67. D. G. Truhlar and P. J. Dagdigian, “The 1985 conference on the dynamics of molecular

collisions,” Comments At. Mol. Phys. 17, 335-342 (1986).

68. P. J. Dagdigian and J. P. Doering, Comment on “Laser-induced fluorescence of N2(X1g+) and

electron-impact excited N2+(X2g

+) in a pulsed supersonic beam: Rotational distribution,” by

H. Helvajian, B. M. DeKoven, and A. P. Baronavski, Chem. Phys. 104, 355-356 (1986).

69. M. L. Campbell, N. Furio, and P. J. Dagdigian, “The reaction of spin-orbit state-selected

Ca(3PJ) with CH3I, CH2I2, and SF6,” Laser Chem. 6, 391-402 (1986).

70. N. Furio, A. Ali, and P. J. Dagdigian, “Interference effects in rotational-state-resolved collisional

energy transfer between the A2 and X2+ states of CN,” Chem. Phys. Lett. 125, 561-565

(1986).

71. M. L. Campbell and P. J. Dagdigian, “Effect of spin-orbit state on chemical reactivity: Study of

chemiluminescent and ground state products from reaction of Sr(3PJ) with several halogen-

containing molecules,” J. Am. Chem. Soc. 108, 4701-4706 (1986).

72. M. H. Alexander, G. C. Corey, S. L. Davis, and P. J. Dagdigian, “Polarization and alignment

effects in collisions involving open-shell molecules,” Amer. Inst. Phys. Conf. Proc. 146, 538-

544 (1986).

73. N. Furio, A. Ali, and P. J. Dagdigian, “State-resolved study of collisional energy transfer

between A2 v=7 and X2+ v=11 rotational levels of CN,” J. Chem. Phys. 85, 3860-3868

(1986).

74. M. L. Campbell and P. J. Dagdigian, “The effect of incident spin-orbit state on the

chemiluminescent reactions of Ba(3DJ) with several oxidants,” J. Chem. Phys. 85, 4453-4462

(1986)

75. Guo Jihua, A. Ali, and P. J. Dagdigian, “State-to-state collisional interelectronic and

intraelectronic energy transfer involving CN A2 v=3 and X2+ v= 7 rotational levels,” J.

Chem. Phys. 85, 7098-7105 (1986).

76. A. Ali, Guo Jihua, and P. J. Dagdigian, “Collisionless and collision-induced B – X emission

from laser-excited CN A2 v=10 rotational levels,” Chem. Phys. Lett. 131, 331-334 (1986).

77. P. J. Dagdigian and M. L. Campbell, “Spin-orbit effects in gas-phase chemical reactions,” Chem.

Rev. 87, 1-17 (1987).

78. A. Ali, N. Furio, and P. J. Dagdigian, “Photolytic production of CN in metastable argon-

cyanogen flows,” Chem. Phys. Lett. 136, 483-486 (1987).

79. A. Ali, Guo Jihua, and P. J. Dagdigian, “State-resolved inelastic cross sections from CN A2

v=8 to X2+ v=12: Quenching of the even-odd alternation in the final rotational state

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populations,” J. Chem. Phys. 87, 2045-2050 (1987).

80. A. Ali and P. J. Dagdigian, “Rotational energy transfer within the B3g v=3 manifold of

molecular nitrogen,” J. Chem. Phys. 87, 6915-6926 (1987).

81. B. Pouilly, P. J. Dagdigian, and M. H. Alexander, “Clarification of the electronic asymmetry of

doublets in 3 electronic states of diatomic molecules,” J. Chem. Phys. 87, 7118-7124 (1987).

82. M. L. Campbell and P. J. Dagdigian, “Spin-orbit effects in chemical reactions: Investigation of

ground state products from reactions of Ba(3D),” Faraday Discuss. Chem. Soc. 84, 127-143

(1987).

83. P. J. Dagdigian and M. H. Alexander, in “General Discussion,” Faraday Discuss. Chem. Soc. 84,

105-106, 171 (1987).

84. P. J. Dagdigian, “Inelastic scattering II: Optical methods,” in Atomic and Molecular Beam

Methods, Vol. 1, edited by G. Scoles, D. Bassi, U. Buck, and D. Lainé (Oxford U.P., New York,

1988), chapter 23.

85. P. J. Dagdigian, “Reactive scattering II: Optical methods,” in Atomic and Molecular Beam

Methods, Vol. 1, edited by G. Scoles, D. Bassi, U. Buck, and D. Lainé (Oxford U.P., New York,

1988), chapter 24.

86. P. J. Dagdigian, “Spin-orbit effects in chemical reactions,” in Selectivity in Chemical Reactions,

edited by J. C. Whitehead (Kluwer Academic, Dordrecht, 1988), pp. 147-177.

87. M. H. Alexander, H.-J. Werner, and P. J. Dagdigian, “Energetics and spin- and -doublet

selectivity in the infrared multiphoton dissociation HN3( ˜ X 1A') N2(X1g+) +

NH(X3–, a1): Theory,” J. Chem. Phys. 89, 1388-1400 (1988).

88. M. H. Alexander, P. Andresen, R. Bacis, R. Bersohn, F. J. Comes, P. J. Dagdigian, R. N. Dixon,

R. W. Field, G. W. Flynn, K.-H. Gericke, E. R. Grant, B. J. Howard, J. R. Huber, D. S. King, J.

L. Kinsey, K. Kleinermanns, K. Kuchitsu, A. C. Luntz, A. J. McCaffery, B. Pouilly, H. Reisler,

S. Rosenwaks, E. W. Rothe, M. Shapiro, J. P. Simons, R. Vasudev, J. R. Wiesenfeld, C. Wittig,

and R. N. Zare, “A nomenclature for doublet levels in rotating linear molecules,” J. Chem.

Phys. 89, 1749-1753 (1988).

89. P. J. Dagdigian, B. E. Forch, and A. W. Miziolek, “Collisional transfer between and quenching

of the 3p 3P and 5P states of the oxygen atom,” Chem. Phys. Lett. 148, 299-308 (1988).

90. A. W. Miziolek, C. F. Melius, L. R. Thorne, P. J. Dagdigian, and M. H. Alexander, “Gas phase

combustion chemistry of nitramine propellants,” Ballistic Research Laboratory, Technical

Report BRL-TR-2906 (1988).

91. P. J. Dagdigian, “State resolved cross sections for rotationally inelastic collisions of

NH2( ˜ X 2B1) with helium,” J. Chem. Phys. 90, 2617-2625 (1989).

92. J. P. Doering and P. J. Dagdigian, “Experimental electron scattering spectrum of atomic carbon,”

Chem. Phys. Lett. 154, 234-236 (1989).

93. N. Furio, A. Ali, P. J. Dagdigian, and H.-J. Werner, “Laser excitation of the overlapping CN B –

A (8,7) and B – X (8,11) bands: The relative phase of the B – A and B – X transition moments,”

J. Mol. Spectrosc. 134, 199-213 (1989).

94. M. H. Alexander and P. J. Dagdigian, “Energetics and Spin Selectivity in the Infrared

Multiphoton Decomposition Process HN3( ˜ X 1A') N2(X1g+) + NH(X3–, a1),” Amer. Inst.

Phys. Conf. Proc. 191, 651-656 (1989).

95. P. J. Dagdigian and A. Ali, “Double resonance studies of rotational energy transfer in the N2

8

B3g state,” Amer. Inst. Phys. Conf. Proc. 191, 664-669 (1989).

96. P. J. Dagdigian, “Scaling relations in the rotational excitation of NH(X3–) N=0 by argon,” J.

Chem. Phys. 90, 6110-6115 (1989).

97. J. Chen, E. Quiñones, and P. J. Dagdigian, “Observation of NH(a1, v=1) from the H + N3

reaction,“ J. Chem. Phys. 90, 7603-7604 (1989).

98. P. J. Dagdigian, M. H. Alexander, and K. Liu, “The inelastic scattering of 2 [case (b)]

molecules and an understanding of the differing doublet propensities for molecules of vs. 3

orbital occupancy,” J. Chem. Phys. 91, 839-848 (1989).

99. P. J. Dagdigian, W. R. Anderson, R. C. Sausa, and A. W. Miziolek, “The photodissociation of

formaldoxime and its methylated homologs: Search for H2CN fluorescence,” J. Phys. Chem. 93,

6059-6064 (1989).

100. D. G. Sauder, D. Patel-Misra, and P. J. Dagdigian, “Rotationally inelastic collisions of a

molecule in a 1 electronic state: NH(a1),” J. Chem. Phys. 91, 5316-5323 (1989).

101. D. G. Sauder and P. J. Dagdigian, “Determination of the internal state distribution of NO

produced from the H + NO2 reaction,” J. Chem. Phys. 92, 2389-2396 (1990).

102. J. J. Chu, P. Marcus, and P. J. Dagdigian, “One-color photolysis/ionization study of HN3: The

N2 fragment internal energy distribution and –v–J correlations,” J. Chem. Phys. 93, 257-267

(1990).

103. J. Chen, E. Quiñones, and P. J. Dagdigian, “A molecular beam study of the H + N3 reaction:

Product NH internal state distribution and electronic state branching ratio,” J. Chem. Phys. 93,

4033-4042 (1990).

104. D. Patel-Misra, D. G. Sauder, and P. J. Dagdigian, “Observation of highly excited bending levels

of NCO( ˜ X 2),” J. Chem. Phys. 93, 5448-5456 (1990).

105. E. Quiñones, J. Chen, and P. J. Dagdigian, “Observation of NH(X3–, a1) from the H + NCO

reaction,” Chem. Phys. Lett. 174, 65-70 (1990).

106. D. Patel-Misra, D. G. Sauder, and P. J. Dagdigian, “Observation of the ND A3 – X3– ∆v=+1

sequence,” Chem. Phys. Lett. 174, 113-118 (1990).

107. D. Patel-Misra, G. Parlant, D. G. Sauder, D. R. Yarkony, and P. J. Dagdigian, “Radiative and

nonradiative decay of the NH(ND) A3 electronic state: Predissociation induced by the 5–

state,” J. Chem. Phys. 94, 1913-1922 (1991).

108. G. Parlant, P. J. Dagdigian, and D. R. Yarkony, “Predissociation of the c1 state of NH(ND):

The role of dipolar spin-spin coupling,” J. Chem. Phys. 94, 2364-2367 (1991).

109. M. H. Alexander, P. J. Dagdigian, M. E. Jacox, C. E. Kolb, C. F. Melius, H. Rabitz, M. D.

Smooke, and W. Tsang, “Nitramine propellant ignition and combustion research,” Prog. Energy

Combust. Sci. 17, 263-296 (1991).

110. D. Patel-Misra, D. G. Sauder, and P. J. Dagdigian, “Internal state distribution of OD produced

from the O(3P) + ND2 reaction,” J. Chem. Phys. 95, 955-962 (1991).

111. D. G. Sauder, D. Patel-Misra, and P. J. Dagdigian, “The vibronic state distribution of the

NCO( ˜ X 2) product from the CN + O2 reaction,” J. Chem. Phys. 95, 1696-1707 (1991).

112. D. Patel-Misra, D. G. Sauder, P. J. Dagdigian, and D. R. Crosley, “Comment on: Observation of

highly excited levels on NCO( ˜ X 2),” J. Chem. Phys. 95, 2222 (1991).

113. M. H. Alexander, P. J. Dagdigian, and H.-J. Werner, “Potential energy surface control of the NH

product state distribution in the decomposition reaction HN3( ˜ X 1A') NH(a1) + N2(X1g+),”

9

Faraday Discuss. Chem. Soc. 91, 319-335 (1991).

114. M. H. Alexander, P. J. Dagdigian, and D. Lemoine, “Quantum scattering studies of inelastic

collisions of NH(A3) with helium: Fine-structure and -doublet propensities,” J. Chem. Phys.

95, 5036-5046 (1991).

115. D. Patel-Misra and P. J. Dagdigian, “Dynamics of the O(3P) + NH2 reaction: The HNO + H

product channel,” Chem. Phys. Lett. 185, 387-392 (1991).

116. J. Chen and P. J. Dagdigian, “Study of the Ca and Sr + HN3 reactions: Indirect evidence for the

formation of the metal imides,” J. Phys. Chem. 96, 1284-1288 (1992).

117. J. Chen and P. J. Dagdigian, “Laser fluorescence study of the Pb + F2, Cl2 reactions: Internal

state distribution of the PbCl product and radiative lifetimes of PbF(A, B) and PbCl(A),” J.

Chem. Phys. 96, 1030-1035 (1992).

118. E. Quiñones and P. J. Dagdigian, “Study of the pressure dependence of the N2 B3g – A3u+

chemiluminescence from the N + N3 reaction,” J. Phys. Chem. 96, 2201-2205 (1992).

119. B. Bohn, F. Stuhl, G. Parlant, P. J. Dagdigian, and D. R. Yarkony, “Predissociation of the

NH/ND(c1, v', J') states,” J. Chem. Phys. 96, 5059-5068 (1992).

120. D. Patel-Misra and P. J. Dagdigian, “The dynamics of the NH(X3–) + NO(X2) reaction:

Internal state distribution of the OH(X2) product,” J. Phys. Chem. 96, 3232-3236 (1992).

121. J. Chen and P. J. Dagdigian, “Spectroscopy and excited state dynamics of the HNF (DNF)

molecule,” J. Chem. Phys. 96, 7333-7343 (1992).

122. Y.-L. Huang and P. J. Dagdigian, “Determination of the internal state distribution of NO(X2)

produced in the O(3P) + NH(X3–) reaction,” J. Chem. Phys. 97, 180-188 (1992).

123. D. Patel-Misra and P. J. Dagdigian, “State resolved electronic quenching of NH(a1) by Xe and

CO,” J. Chem. Phys. 97, 4871-4880 (1992).

124. X. Yang and P. J. Dagdigian, “Reactions of electronically excited boron atoms: Quenching rate

constants and the radiative lifetime of the 4p 2P state,” Chem. Phys. Lett. 200, 217-223 (1992).

125. B. J. Gaffney and P. J. Dagdigian, “Oxygen binding to hemoglobin,” in Physical Chemistry:

Developing a Dynamic Curriculum, edited by R. W. Schwenz and R. J. Moore (American

Chemical Society, Washington, DC, 1993), pp. 370-379.

126. J. Chen and P. J. Dagdigian, “Photofragmentation excitation spectroscopy of the DNF molecule:

Observation of the ND predissociation product,” J. Chem. Phys. 98, 3554-3556 (1993).

127. X. Yang and P. J. Dagdigian, “Chemiluminescence spectra and cross sections for the reaction of

B(4p 2P) with H2 and D2,” J. Phys. Chem. 97, 4270-4276 (1993).

128. E. Hwang, Y.-L. Huang, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical

characterization of the BAr van der Waals complex: The X2, A2+, and B2+ electronic

states,” J. Chem. Phys. 98, 8484-8495 (1993).

129. P. J. Dagdigian, D. Patel-Misra, A. Berning, H.-J. Werner, and M. H. Alexander, “A joint

experimental and theoretical study of A2 X2+ electronic energy transfer in the CN

molecule induced by collisions with helium,” J. Chem. Phys. 98, 8580-8592 (1993).

130. J. Chen and P. J. Dagdigian, “The DNF ˜ A 2A' – ˜ X 2A" band system: Rotational analysis of the

origin band and partial analysis of several higher bands,” J. Mol. Spectrosc. 162, 152-167

(1993).

131. J. Chen and P. J. Dagdigian, “Spectrally resolved fluorescence in the HNF (DNF) ˜ A 2A' – ˜ X 2A" band system,” Chem. Phys. Lett. 213, 586-592 (1993).

10

132. E. Hwang, P. J. Dagdigian, and M. H. Alexander, “Bound – free B2+ – X2, A2+ emission in

the BAr van der Waals complex,” Can. J. Chem. 72, 821-827 (1994).

133. J. Chen and P. J. Dagdigian, “Predissociation in the ˜ A 2A' state of HNF (DNF): NH (ND)

photofragmentation excitation spectroscopy,” J. Chem. Phys. 100, 4884-4893 (1994).

134. J. Chen and P. J. Dagdigian, “Radiative and nonradiative decay of electronically excited HNF

and DNF,” Israel J. Chem. 34, 25-32 (1994).

135. M. H. Alexander, S. Gregurick, and P. J. Dagdigian, “Potential energy surfaces for the

interaction of BH(X1+, A1) with Ar and a theoretical investigation of the stretch-bend levels

of the ArBH(A) van der Waals molecule,” J. Chem. Phys. 101, 2887-2902 (1994).

136. E. Hwang and P. J. Dagdigian, “Observation and characterization of the ArBH(X1+, A1) van

der Waals molecule through fluorescence excitation spectroscopy,” J. Chem. Phys. 101, 2903-

2913 (1994).

137. M. H. Alexander, S. Gregurick, P. J. Dagdigian, G. W. Lemire, M. J. McQuaid, and R. C. Sausa,

“Potential energy surfaces for the interaction of CH(X2, B2–) with Ar and an assignment of

the stretch-bend levels of the ArCH(B) van der Waals molecule,” J. Chem. Phys. 101, 4547-

4560 (1994).

138. P. J. Dagdigian and M. H. Alexander, in “General Discussion,” Faraday Discuss. 97, 200, 415-

416, 417-419, 431 (1994).

139. M. H. Alexander and P. J. Dagdigian, “On the generation of preferential doublet populations

in the collisional relaxation of highly rotationally excited CH(X2),” J. Chem. Phys. 101, 7468-

7479 (1994).

140. M. Yang, S. Gregurick, M. H. Alexander, and P. J. Dagdigian, “Theoretical study of the

interaction of AlH(X1+, A1) with Ar: Potential energy surfaces and bend-stretch levels of the

ArAlH(X, A) van der Waals complex,” J. Chem. Phys. 102, 2413-2425 (1995).

141. E. Hwang and P. J. Dagdigian, “Fluorescence excitation spectroscopy and dynamics of the

ArAlH(X1+, A1) van der Waals complex,” J. Chem. Phys. 102, 2426-2439 (1995).

142. M. Yang, M. H. Alexander, H.-J. Werner, J. Hohmann, L. Neitsch, F. Stuhl, and P. J. Dagdigian,

“The rotational relaxation of NH(c1) in collisions with Ar: A combined theoretical and

experimental investigation,” J. Chem. Phys. 102, 4069-4083 (1995).

143. E. Hwang and P. J. Dagdigian, “Spin-orbit splitting in the ground X2 electronic state of the

BAr van der Waals complex,” Chem. Phys. Lett. 233, 483-488 (1995).

144. E. Hwang and P. J. Dagdigian, “Electronic spectroscopy and excited state dynamics of the

KrAlH(X1+, A1) van der Waals complex,” J. Phys. Chem. 99, 3430-3437 (1995).

145. D. F. Varley and P. J. Dagdigian, “Product state distributions and angular differential cross

sections from photo-initiated reactions of chlorine atoms with small hydrocarbons,” J. Phys.

Chem. 99, 9843-9853 (1995).

146. P. J. Dagdigian, “Experimental studies of rotationally inelastic state-resolved collisions of small

molecular free radicals,” in The Chemical Dynamics and Kinetics of Small Radicals, Part I,

edited by K. Liu and A. F. Wagner (World Scientific, Singapore, 1995), pp. 315-364.

147. X. Yang, E. Hwang, P. J. Dagdigian, M. Yang, and M. H. Alexander, “Experimental and

theoretical study of the B–Ne non-bonding interaction: The free – bound B2+ – X2 electronic

transition,” J. Chem. Phys. 103, 2779-2786 (1995).

148. S. A. Wright and P. J. Dagdigian, “Investigation of the effect of reagent CN rotational excitation

11

on the dynamics of the CN + O2 reaction,” J. Chem. Phys. 103, 6479-6489 (1995).

149. X. Yang, E. Hwang, M. H. Alexander, and P. J. Dagdigian, “Experimental investigation of

weakly bound B(2p, 3s)–H2/D2 complexes through laser fluorescence excitation spectroscopy,”

J. Chem. Phys. 103, 7966-7974 (1995).

150. X. Yang, E. Hwang, and P. J. Dagdigian, “Laser fluorescence excitation spectroscopy of BNe

electronic states correlating with the excited valence B(2s2p2 2D) atomic asymptote,” J. Chem.

Phys. 104, 599-606 (1996).

151. L. Neitsch, F. Stuhl, P. J. Dagdigian, and M. H. Alexander, “State-resolved inelastic collisions of

single rotational, fine-structure, and doublet levels of NH(A3) with helium: A combined

experimental and theoretical study,” J. Chem. Phys. 104, 1325-1337 (1996).

152. D. F. Varley and P. J. Dagdigian, “Product state resolved study of the Cl + (CH3)3CD reaction:

Comparison of the dynamics of abstraction of primary vs. tertiary hydrogens,” J. Phys. Chem.

100, 4365-4374 (1996).

153. X. Yang, L. Pederson, D. R. Yarkony, and P. J. Dagdigian, “Radiative and nonradiative decay of

the BH(b3–) state: A joint experimental and theoretical study,” J. Phys. Chem. 100, 5649-5653

(1996).

154. D. F. Varley and P. J. Dagdigian, “Comparison of the dynamics of abstraction of primary vs.

secondary hydrogens in the Cl + CD3CH2CD3 reactions,” Chem. Phys. Lett. 255, 393-400

(1996).

155. X. Yang, E. Hwang, and P. J. Dagdigian, “Observation of the weakly bound B(2s2p2 2D)–H2

complex by fluorescence depletion spectroscopy,” J. Chem. Phys. 104, 8165-8168 (1996).

156. S. A. Wright and P. J. Dagdigian, “Radiative and nonradiative decay of electronically excited

NCO,” J. Chem. Phys. 104, 8279-8291 (1996).

157. T. A. Van Marter, Y. Lu, M. C. Heaven, E. Hwang, P. J. Dagdigian, and J. Tellinghuisen,

“Spectroscopy of metastable species in a free-jet expansion: The D' A' transition in Br2,” J.

Molec. Spectrosc. 177, 311-319 (1996).

158. P. J. Dagdigian, D. F. Varley, R. Liyanage, R. J. Gordon, and R. W. Field, “Detection of DCl by

multiphoton ionization and determination of DCl and HCl internal state distributions,” J. Chem.

Phys. 105, 10251-10262 (1996).

159. E. Hwang, P. J. Dagdigian, and J. Tellinghuisen, “Spectroscopy of metastable Species in a free-

jet expansion: The A transition in Br2,” J. Molec. Spectrosc. 181, 297-306 (1997).

160. M. H. Alexander, M. Yang, A. Walton, X. Yang, E. Hwang, and P. J. Dagdigian, “A

collaborative theoretical and experimental study of the structure and electronic excitation

spectrum of the BAr and BAr2 somplexes,” J. Chem. Phys. 106, 6320-6331 (1997).

161. X. Yang and P. J. Dagdigian, “Fluorescence excitation and depletion spectroscopy of the BAr

complex: Electronic states correlating with the excited valence B(2s2p2 2D) asymptote,” J.

Chem. Phys. 106, 6596-6606 (1997).

162. L. Neitsch, F. Stuhl, P. J. Dagdigian, and M. H. Alexander, “Inelastic collisions of fine structure

and -doublet resolved rotational states of PH(A3, v=0) with helium,” J. Chem. Phys. 106,

7642-7653 (1997).

163. X. Yang and P. J. Dagdigian, “Spectroscopic study of B–Kr non-bonding interactions,” J. Phys.

Chem. A 101, 3509-3513 (1997).

164. P. J. Dagdigian, “State-resolved collision-induced electronic transitions,” Annu. Rev. Phys.

12

Chem. 48, 95-123 (1997).

165. S. A. Wright and P. J. Dagdigian, “Fluorescence excitation spectroscopy of the Ar–

HCO( ˜ X 2A', ˜ B 2A') van der Waals complex,” J. Chem. Phys. 107, 680-690 (1997).

166. H. M. Lambert and P. J. Dagdigian, “Photodissociation of vibrationally excited CH3Cl:

Modification of the dissociation dynamics,” Chem. Phys. Lett. 275, 499-505 (1997).

167. S. A. Wright and P. J. Dagdigian, “Rotational analysis of the ˜ B 2A" – ˜ X 2A" origin band of the

CH2CFO radical,” J. Chem. Phys. 107, 9755-9758 (1997).

168. P. J. Dagdigian, X. Yang, and E. Hwang, “Non-bonding interactions of the boron atom in the

excited 2s23s 2S Rydberg and 2s2p2 2D valence states,“ in Highly Excited States: Relaxation,

Reactions, and Structure, ACS Symposium Series, Vol. 678, edited by A. S. Mullin and G. C.

Schatz (American Chemical Society, Washington, DC, 1997), pp. 122-133.

169. A. Melchior, H. M. Lambert, P. J. Dagdigian, I. Bar, and S. Rosenwaks, “The photodissociation

of ground and vibrationally excited halogenated alkanes,” Israel J. Chem. 37, 455-465 (1997).

170. P. J. Dagdigian and X. Yang, “Chemical reaction within the electronically excited B(2s2p2 2D)–

H2 complex,” Faraday Discuss. 108, 287-307 (1997).

171. P. J. Dagdigian in “General Discussion,” Faraday Discuss. 108, 99, 208-210, 346-347, 347,

349, 443 (1997).

172. X. Yang, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical study of the AlNe

complex,“ J. Chem. Phys. 108, 3522-3530 (1998).

173. H. M. Lambert, P. J. Dagdigian, and M. H. Alexander, “Spin-orbit branching in the

photofragmentation of HCl at long wavelength,“ J. Chem. Phys. 108, 4460-4466 (1998).

174. H. M. Lambert and P. J. Dagdigian, “Photodissociation of CH stretch overtone excited CH3Cl

and CHD2Cl (vCH = 5): Cl spin-orbit branching and atomic fragment yields,” J. Chem. Phys.

109, 7810-7820 (1998).

175. X. Yang, I. Gerasimov, and P. J. Dagdigian, “Electronic spectroscopy and excited state dynamics

of the Al–N2 complex,” Chem. Phys. 239, 207-221 (1998).

176. X. Yang and P. J. Dagdigian, “Electronic spectroscopy of the Al–H2 complex: Excited state

dynamics and orbital alignment of the AlH(A1) product,” J. Chem. Phys. 109, 8920-8928

(1998).

177. X. Yang and P. J. Dagdigian, “Selective rotational energy transfer from individual -doublet

levels of highly rotationally excited CN(A2),” Chem. Phys. Lett. 297, 506-514 (1998).

178. I. Gerasimov, X. Yang, and P. J. Dagdigian, “Laser fluorescence excitation spectra of the AlNC

and AlCN isomers,” J. Chem. Phys. 110, 220-228 (1999).

179. J. Lei and P. J. Dagdigian, “Electronic spectroscopy of the Al+–Ar complex,” Chem. Phys. Lett.

304, 317-322 (1999).

180. R. J. Barnes, A. Sinha, P. J. Dagdigian, and H. M. Lambert, “Doppler line shapes in the

photolysis of laser excited, aligned molecules: Application to the vibrationally mediated

photodissociation of HN3,” J. Chem. Phys. 111, 151-162 (1999).

181. I. Gerasimov, J. Lei, and P. J. Dagdigian, “Electronic spectroscopy of the Al–CH4/CD4

complex,” J. Phys. Chem. A 103, 5910-5917 (1999).

182. X. Yang and P. J. Dagdigian, “Observation of magnetic-dipole transitions in the CN B2+ – A2

band system,” J. Molec. Spectrosc. 198, 189-191 (1999).

183. M. H. Alexander, X. Yang, P. J. Dagdigian, A. Berning, and H.-J. Werner, “Potential energy

13

surfaces for the CN(X2+, A2)Ar system and inelastic scattering within the A state,” J. Chem.

Phys. 112, 781-791 (2000).

184. X. Yang, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical study of

rotationally inelastic collisions of highly rotationally excited CN(A2) with Ar,” J. Chem. Phys.

112, 4474-4484 (2000).

185. J. R. Krumrine, M. H. Alexander, X. Yang, and P. J. Dagdigian. “Experimental and theoretical

study of the electronic spectrum of the BAr2 complex: Transition to the excited valence B(2s2p2 2D) state,” J. Chem. Phys. 112, 5037-5043 (2000).

186. J. Lei and P. J. Dagdigian, “Molecular beam study of the 6 – X6 electronic transition in

FeCl,” J. Chem. Phys. 112, 10221-10227 (2000).

187. Y. Kim, J. Fleniken, H. Meyer, M. H. Alexander, and P. J. Dagdigian, “A joint theoretical-

Experimental investigation of the lower bound states of the NO(X2)–Ar complex,” J. Chem.

Phys. 113, 73-85 (2000).

188. J. Lei and P. J. Dagdigian, “Laser fluorescence excitation spectroscopy of the CAr van der Waals

complex,” J. Chem. Phys. 113, 602-610 (2000).

189. B. Nizamov and P. J. Dagdigian, “Collisional quenching and energy transfer of the z5DJo states

of the Fe atom,” J. Phys. Chem. A 104, 6345-50 (2000).

190. B. Nizamov and P. J. Dagdigian, “Experimental study of rotationally inelastic collisions of

AlH(A1) with Ar: State-to-state rate constants and -doublet propensities,” J. Chem. Phys.

113, 4124-4131 (2000).

191. J. Lei and P. J. Dagdigian, “Identification of new bands in the orange system of FeO,” J. Molec.

Spectrosc. 203, 345-348 (2000).

192. P. J. Dagdigian, X. Yang, I. Gerasimov, and J. Lei, “Electronic spectroscopy and excited state

dynamics of aluminum atom–molecule complexes,” in Atomic and Molecular Beams: The State

of the Art 2000, edited by R. Campargue (Springer, Berlin, 2001), pp. 367-378.

193. B. Nizamov and P. J. Dagdigian, “Collisional quenching and vibrational energy transfer in the

A2+ state of the CF radical,” J. Phys. Chem. A 105, 29-33 (2001).

194. J. Lei and P. J. Dagdigian, “Observation of the FeNC molecule by laser fluorescence excitation

spectroscopy,” J. Chem. Phys. 114, 2137-2143 (2001).

195. P. J. Dagdigian, “Reactive scattering," in Encyclopedia of Chemical Physics and Physical

Chemistry,” edited by J. H. Moore and N. Spencer (IOP Publishing, Bristol, 2001), section B2.6.

196. M. Kind, F. Stuhl, Y.-R. Tzeng, M. H. Alexander, and P. J. Dagdigian, “Fine-structure state

resolved rotationally inelastic collisions of CH(A2, v=0) with Ar: A combined experimental

and theoretical study,” J. Chem. Phys. 114, 4479-4489 (2001).

197. M. H. Alexander, P. Soldán, T. G. Wright, Y. Kim, H. Meyer, P. J. Dagdigian, and E. P. F. Lee,

“The NO(X2)–Ne complex: II. Investigation of the lower bound states based on new potential

energy surfaces,” J. Chem. Phys. 114, 5588-5597 (2001).

198. X. Tan, P. J. Dagdigian, and M. H. Alexander, “Electronic spectroscopy and excited state

dynamics of the Al–H2/D2 complex,” Faraday Discuss. 118, 387-404 (2001).

199. P. J. Dagdigian, in “General Discussion,” Faraday Discuss. 118, 180-181, 241, 364, 426, 427-

428, 430 (2001).

200. X. Tan, P. J. Dagdigian, J. Williams, and M. H. Alexander, “Experimental and theoretical

investigation of the rotational structure of the Al–H2/D2 complex,” J. Chem. Phys. 114, 8938-

14

8947 (2001).

201. B. Nizamov, P. J. Dagdigian, Y.-R. Tzeng, and M. H. Alexander “Experimental and theoretical

study of -doublet resolved rotationally inelastic collisions of highly rotationally excited

CH(A2, v=0) with Ar,” J. Chem. Phys. 115, 800-809 (2001).

202. J. Lei, A. Teslja, B. Nizamov, and P. J. Dagdigian, “Free-jet electronic spectroscopy of the PO2

radical,” J. Phys. Chem. A 105, 7828-7833 (2001).

203. B. Nizamov, P. J. Dagdigian, and M. H. Alexander, “State-resolved rotationally inelastic

collisions of highly rotationally excited CN(A2) with helium: Influence of the interaction

potential,” J. Chem. Phys. 115, 8393-8402 (2001).

204. X. Tan and P. J. Dagdigian, “The 4s 3p electronic transition in aluminum atom – molecule

complexes: Bound and repulsive excited states,” J. Phys. Chem. A 105, 11009-11017 (2001).

205. C. Tao and P. J. Dagdigian, “Vibrationally mediated photodissociation of CH3Cl: The v = 3 and

4 CH stretch overtone levels,” Chem. Phys. Lett. 350, 63-70 (2001).

206. P. J. Dagdigian, “Quantum theory of vector correlations in vibrationally mediated

photodissociation,” J. Chem. Phys. 116, 7948-7956 (2002).

207. B. Nizamov, X. Yang, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical

study of state-resolved electronically inelastic collisions of highly rotationally excited CN(A2)

with argon and helium: The role of gateway levels,” J. Phys. Chem. A 106, 8345-8354 (2002).

208. C. Tao, A. Teslja, P. J. Dagdigian, S. Atahan, and M. H. Alexander, “Laser spectroscopic study

of the SiAr van der Waals complex,” J. Chem. Phys. 116, 9239-9248 (2002).

209. X. Tan and P. J. Dagdigian, “Observation of new electronic states of the Al–H2/D2 complex,”

Chem. Phys. 283, 5-16 (2002).

210. C. Tao and P. J. Dagdigian, “Laser fluorescence excitation spectroscopy of the GeAr van der

Waals complex,” J. Chem. Phys. 118, 1242-1252 (2003).

211. B. Nizamov and P. J. Dagdigian, “Spectroscopic and kinetic investigation of methylene

amidogen by cavity ring-down spectroscopy,” J. Phys. Chem. A 107, 2256-2263 (2003).

212. X. Tan and P. J. Dagdigian, “The electronic spectrum of the gallium dimer,” J. Phys. Chem. A

107, 2642-2649 (2003).

213. C. Tao, X. Tan, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical

investigation of the AlH b3– – a3 electronic transition,” J. Chem. Phys. 118, 10477-10484

(2003).

214. X. Tan and P. J. Dagdigian, “Vibrational energy transfer involving Renner-Teller levels of the

NCO( X 2) molecule,” Chem. Phys. Lett. 375, 532-539 (2003).

215. V. I. Babushok, F. C. DeLucia Jr., P. J. Dagdigian, M. J. Nusca, and A. W. Miziolek, “Kinetic

modeling of the LIBS plume from metallic lead,” Appl. Optics 42, 5947-5962 (2003).

216. J. B. Spicer, P. Dagdigian, R. Osiander, J. A. Miragliotta, X.-C. Zhang, R. Kersting, D. R.

Crosley, R. K. Hanson, and J. Jeffries, "Overview: MURI center on spectroscopic and time

domain detection of trace explosives in condensed and vapor phases," Proc. SPIE – Int. Soc.

Opt. Eng. 5089, 1088-1094 (2003).

217. C. Tao and P. J. Dagdigian, “Spectroscopic investigation of nonbonding interactions of group-14

atoms with rare gases: The SnAr van der Waals complex,” J. Chem. Phys. 120, 7512-7519

(2004).

218. A. Teslja, B. Nizamov, and P. J. Dagdigian, “The electronic spectrum of methyleneimine,” J.

15

Phys. Chem. A 108, 4433-4439 (2004).

219. C. Tao, P. J. Dagdigian, and M. H. Alexander, “Experimental and theoretical investigation of the

3s 2p transition in the BNe2 complex,” Chem. Phys. Lett. 392, 151-155 (2004).

220. A. Teslja and P. J. Dagdigian, “Determination of oxygen atom concentrations by cavity ring-

down spectroscopy,” Chem. Phys. Lett. 400, 374-378 (2004).

221. P. J. Dagdigian, “Transient gas-phase intermediates in the decomposition of energetic materials,”

in Overviews of Recent Research on Energetic Materials, edited by R. W. Shaw, T. B. Brill, and

D. L. Thompson (World Scientific, Singapore, 2005), pp. 129-160.

222. A. Khachatrian and P. J. Dagdigian, “Determination of the internal state distribution of the SD

product from the S(1D) + D2 reaction,” J. Chem. Phys. 122, 024303 (6 pages) (2005).

223. A. Khachatrian and P. J. Dagdigian, “Laser fluorescence study of the S(1D) + CD4 reaction:

Determination of the SD product internal state distribution,” Chem. Phys. Lett. 402, 265-269

(2005).

224. V. I. Babushok, F. C. DeLucia Jr., P. J. Dagdigian, and A. W. Miziolek, “Experimental and

kinetic modeling study of the laser-induced breakdown spectroscopy plume from metallic lead in

argon,” Spectrochim. Acta Part B 60, 926-934 (2005).

225. A. Khachatrian and P. J. Dagdigian, “Vibrational relaxation of OH by oxygen atoms,” Chem.

Phys. Lett. 415, 1-5 (2005).

226. A. Khachatrian and P. J. Dagdigian, “The effect of vibrational excitation on the collisional

removal of free radicals by atoms: OH(v=1) + N,” J. Phys. Chem. A 110, 3388-3392 (2006).

227. A. Teslja, P. J. Dagdigian, M. Banck, and W. Eisfeld, “Experimental and theoretical study of the

electronic spectrum of the methylene amidogen radical (H2CN): Verification of the 2A1 2B2

Assignment,” J. Phys. Chem. A 110, 7826-7834 (2006).

228. A. M. Zolot, W. W. Harper, B. G. Perkins, P. J. Dagdigian, and D. J. Nesbitt, “Quantum-state-

resolved reaction dynamics at the gas-liquid Interface: Direct absorption studies of HF(v,J)

product from F(2P) + squalane,” J. Chem. Phys. 125, 021101 (4 pages) (2006).

229. S. K. Shin and P. J. Dagdigian, “Dynamics of the 193 nm photodissociation of dichlorocarbene,”

J. Chem. Phys. 125, 133317 (9 pages) (2006).

230. S. K. Shin and P. J. Dagdigian, “Photodissociation dynamics of dichlorocarbene at 248 nm,”

Phys. Chem. Chem. Phys. 8, 3446–3452 (2006).

231. C. Ramos and P. J. Dagdigian, “Detection of vapors of explosives and explosive-related

compounds by ultraviolet cavity ringdown spectroscopy,” Appl. Optics 46, 620-627 (2007).

232. D. M. Wong and P. J. Dagdigian, “Comparison of IR and UV cavity ring-down spectroscopy

detection of transient intermediates: pyrolysis of methyl azide to form methyleneimine,”

Spectrochimica Acta Part A 67, 1019-1024 (2007).

233. S. K. Shin and P. J. Dagdigian, “Internal state distribution of the CF photofragment in the 193

nm photodissociation of CFCl and CFBr,“ J. Chem. Phys. 126, 134302 (8 pages) (2007).

234. C. Ramos and P. J. Dagdigian, “The effect of photochemistry on molecular detection by cavity

ringdown spectroscopy: Case study of an explosive-related compound,” Appl. Optics 46, 6526-

6532 (2007).

235. J. A. Kłos, P. J. Dagdigian, and M. H. Alexander, “Theoretical study of the multiplet branching

of the SD product in the S(1D) + D2 SD(2) + D,” J. Chem. Phys. 127, 154321 (10 pages)

(2007).

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236. D. Zemsky, R. Shneck, P. J. Dagdigian, and I. Bar, “Structure and morphology of pulsed laser

deposited boron carbide films: Influence of deposition geometry,” J. Appl. Phys. 102, 104309 (8

pages) (2007).

237. V. I. Babushok, F. C. DeLucia Jr., P. J. Dagdigian, J. L. Gottfried, C. A. Munson, M. J. Nusca,

and A. W. Miziolek,“ Kinetic modeling study of the laser-induced plasma plume of the

explosive cyclotrimethylenetrinitramine (RDX),” Spectrochim. Acta Part B 62, 1321-1328

(2007).

238. S. K. Shin and P. J. Dagdigian, “Formation of the CH fragment in the 193 nm photodissociation

of CHCl,“ J. Chem. Phys. 128, 064309 (7 pages) (2008).

239. S. K. Shin and P. J. Dagdigian, “Further investigation of the photodissociation of

dichlorocarbene near 248 nm,“ J. Chem. Phys. 128, 154322 (8 pages) (2008).

240. J. A. Kłos, F. Lique, M. H. Alexander, and P. J. Dagdigian, “Theoretical determination of rate

constants for vibrational relaxation and reaction of OH(X2) with O(3P) atoms,” J. Chem. Phys.

129, 064306 (10 pages) (2008).

241. D. M. Wong and P. J. Dagdigian, “Comparison of laser-induced breakdown spectra of organic

compounds with irradiation at 1.5 and 1.064 m,” Appl. Opt. 47, G149-G157 (2008).

242. A. M. Zolot, P. J. Dagdigian, and D. J. Nesbitt, “Quantum-state resolved reactive scattering at

the gas-liquid interface: F + squalane (C30H62) dynamics via high-resolution infrared

absorption of nascent HF(v, J),” J. Chem. Phys. 129, 194705 (11 pages) (2008).

243. P. J. Dagdigian and M. H. Alexander, “Tensor cross sections and the collisional evolution of

state multipoles; OH(X2)–Ar,” J. Chem. Phys. 130, 094303 (11 pages) (2009); erratum 131,

229902 (2 pages) (2009).

244. A. Khachatrian, P. J. Dagdigian, D. I. G. Bennett, F. Lique, J. Kłos, and M. H. Alexander,

“Experimental and theoretical study of rotationally inelastic collisions of CN(A2) with N2,” J.

Phys. Chem. A 113, 3922-3931 (2009).

245. P. J. Dagdigian and M. H. Alexander, “Tensor cross sections and collisional depolarization of

OH(X2) in collisions with helium,” J. Chem. Phys. 130, 164315 (9 pages) (2009).

246. P. J. Dagdigian and M. H. Alexander, “Dependence of elastic depolarization cross sections on

the potential: OH(X2)–Ar and NO(X2)–Ar,” J. Chem. Phys. 130, 204304 (7 pages) (2009).

247. A. Khachatrian and P. J. Dagdigian, “Laser-induced breakdown spectroscopy with laser

irradiation on mid-infrared hydride stretch transitions: polystyrene,” Appl. Phys. B 97, 243-248

(2009).

248. A. Khachatrian and P. J. Dagdigian, “Rotationally inelastic collisions of CN(A2) with small

molecules,” J. Phys. Chem. A 113, 13390-13394 (2009).

249. F. Lique, M. Jorfi, P. Honvault, P. Halvick, S. Y. Lin, H. Guo, D. Xie, P. J. Dagdigian, J. Kłos,

and M. H. Alexander, “O + OH H + O2 + H: A key reaction for interstellar chemistry. New

theoretical results and comparison with experiment,” J. Chem. Phys.131, 221104

(communication, 4 pages) (2009).

250. M. Weidman, M. Baudelet, S. Palanco, M. Sigman, P. J. Dagdigian, and M. Richardson

“Nd:YAG-CO2 dual-pulse laser‑ induced breakdown spectroscopy of organic films,” Optics

Express 18, 259-266 (2010).

251. A. Khachatrian and P. J. Dagdigian, “Laser-induced breakdown spectroscopy with laser

irradiation resonant with vibrational transitions,” Appl. Optics 49, C1–C7 (2010).

17

252. P. J. Dagdigian , A. Khachatrian, and V. I. Babushok, “Kinetic model of C/H/N/O emissions in

laser-induced breakdown spectroscopy of organic compounds,” Appl. Optics 49, C58–C66

(2010).

253. P. J. Dagdigian and M. H. Alexander, “Depolarization in H2O–He collisions,” Mol. Phys. 108,

1159-1169 (2010).

254. L. Scharfenberg, J. Kłos, P. J. Dagdigian, M. H. Alexander, G. Meijer, and S. Y. T. van de

Meerakker, “State-to-state inelastic scattering of Stark decelerated OH radicals with Ar atoms,”

Phys. Chem. Chem. Phys. 12, 10660-10679 (2010).

255. Q. Ma and P. J. Dagdigian, “Kinetic model of atomic and molecular emissions in laser-induced

breakdown spectroscopy of organic compounds,” Anal. Bioanal. Chem. 400, 3193-3205 (2011).

256. L. Ma, P. J. Dagdigian, and M. H. Alexander, “Theoretical investigation of rotationally-inelastic

collisions of CH2(ã) with helium,” J. Chem. Phys. 134, 154307 (13 pages) (2011).

257. M. H. Alexander, G. E. Hall, and P. J. Dagdigian, “The approach to equilibrium: Detailed

balance and the master equation,” J. Chem. Educ. 88, 1538-1540 (2011).

258. M. H. Alexander and P. J. Dagdigian, “Theoretical investigation of rotationally inelastic

collisions of the methyl radical with helium,” J. Chem. Phys. 135, 064306 (9 pages) (2011).

259. G. Paterson, A. Relf, M. L. Costen, K. G. McKendrick, M. H. Alexander, and P. J. Dagdigian,

“Rotationally elastic and inelastic dynamics of NO(X2, v = 0) with Ar,” J. Chem. Phys. 135,

234304 (11 pages) (2011).

260. K. B. Gubbels, Q. Ma, M. H. Alexander, P. J. Dagdigian, D. Tanis, G. C. Groenenboom, A. van

der Avoird, and S. Y. T. van Meerakker, “Resonances in rotationally inelastic scattering of

OH(X2) with helium and neon,” J. Chem. Phys. 136, 144308 (13 pages) (2012).

261. S. J. McGurk, K. G. McKendrick, M. L. Costen, D. I. G. Bennett, J. Kłos, M. H. Alexander, and

P. J. Dagdigian, “Depolarization of rotational angular momentum in CN(A2, v=4) + Ar

collisions,” J. Chem. Phys. 136, 164306 (15 pages) (2012).

262. L. Ma, P. J. Dagdigian, and M. H. Alexander, “Theoretical investigation of rotationally inelastic

collisions of CH2( X ) with helium,” J. Chem. Phys. 136, 224306 (9 pages) (2012).

263. P. J. Dagdigian and M. H. Alexander, “Exact quantum scattering of transport properties:

OH(X2) – helium,” J. Chem. Phys. 137, 094306 (7 pages) (2012).

264. P. J. Dagdigian, “Theoretical investigation of collisional energy transfer in polyatomic

intermediates,” Int. Rev. Phys. Chem. 32, 229-265 (2013).

265. Q. Ma, P. J. Dagdigian, and M. H. Alexander, “Theoretical study of the vibrational relaxation of

the methyl radical in collisions with helium,” J. Chem. Phys. 138, 104317 (10 pages) (2013).

266. P. J. Dagdigian and M. H. Alexander, “Exact quantum scattering calculations of transport

properties: CH2( X3B1,a1A1)–helium,” J. Chem. Phys. 138, 164305 (7 pages) (2013).

267. F. Lique, G. Werfelli, P. Halvick, T. Stoecklin, A. Faure, L. Wiesenfeld, and P. J. Dagdigian,

“Spin-orbit quenching of the C+(2P) ion by collisions with para- and ortho-H2,” J. Chem. Phys.

138, 204314 (6 pages) (2013).

268. S. J. McGurk, K. G. McKendrick, M. L. Costen, M. H. Alexander, and P. J. Dagdigian, “Parity-

dependent oscillations in collisional polarization transfer: CN(A2, v=4) + Ar collisions,” J.

Chem. Phys. 139, 124304 (12 pages) (2013).

269. O. Tkác, A. G. Sage, S. J. Greaves, A. J. Orr-Ewing, P. J. Dagdigian, Q. Ma, and M. H.

Alexander, “Rotationally inelastic scattering of CD3 and CH3 with He: comparison of velocity

18

map-imaging with quantum scattering calculations,” Chem. Sci. 4, 4199-4211 (2013).

270. P. J. Dagdigian and M. H. Alexander, “Exact quantum scattering calculations of transport

properties for the H2O–H system,” J. Chem. Phys. 139, 194309 (8 pages) (2013).

271. J. H. Lehman, M. I. Lester, J. Kłos, M. H. Alexander, P. J. Dagdigian, D. Herráez-Aguilar, F. J.

Aoiz, M, Brouard, H. Chadwick, T. Perkins, and S. A. Seamons, “Electronic quenching of OH

A2+ induced by collisions with Kr atoms,” J. Phys. Chem. A 117, 13481-13490 (2013).

272. H. Chadwick, M. Brouard, Y.-P. Chang, C. J. Eyles, G. McCrudden, T. Perkins, S. A. Seamons,

J. Kłos, M. H. Alexander, D. Herraéz-Aguilar, and F. J. Aoiz, “The collisional depolarization of

OH(A2+) and NO(X2) with Kr,” J. Chem. Phys. 140, 054306 (14 pages) (2014).

273. P. J. Dagdigian, “Fundamentals of optical spectroscopy,” in Laser Spectroscopy for Sensing:

Fundamentals, Techniques and Applications, edited by M. Baudelet (Woodhead Publishing Ltd.,

Sawston, UK, 2014), pp. 1-33.

274. O. Tkác, A. J. Orr-Ewing, P. J. Dagdigian, M. H. Alexander, J. Onvlee, and A. van der Avoird,

“Collision dynamics of symmetric top molecules: A comparison of the rotationally inelastic

scattering of CD3 and ND3 with He,” J. Chem. Phys. 140, 134308 (10 pages) (2014).

275. O. Tkác, Q. Ma, C. Rusher, S. J. Greaves, A. J. Orr-Ewing, and P. J. Dagdigian, “Differential

and integral cross sections for rotationally inelastic scattering of methyl radicals with H2 and

D2,” J. Chem. Phys. 140, 204318 (12 pages) (2014).

276. L. Ma, M. H. Alexander, and P. J. Dagdigian, “Theoretical investigation of intersystem crossings

between the ã and states of CH2 induced by collisions with helium,” J. Chem. Phys. 141,

064312 (10 pages) (2014).

277. Q. Ma, J. Kłos, M. H. Alexander, A. van der Avoird, and P. J. Dagdigian, “The interaction of

OH(X2Π) with H2: Ab initio potential energy surfaces and bound states,” J. Chem. Phys. 141,

174309 (14 pages) (2014).

278. L. Ma, P. J. Dagdigian, an M. H. Alexander, “Theoretical investigation of the relaxation of the

bending mode of CH2( ) by collisions with helium,” J. Chem. Phys. 141, 214305 (4 pages)

(2014).

279. P. J. Dagdigian and M. H. Alexander, “Transport properties for systems with deep potential

wells: H + O2,” J. Phys. Chem. A 118, 11935-11942 (2014).

280. O. Tkác, Q. Ma, M. Stei, A. Orr-Ewing, and P. J. Dagdigian, “Rotationally inelastic scattering of

methyl radicals with Ar and N2,” J. Chem. Phys. 142, 014306 (10 pages) (2015).

281. F. Daniel, A. Faure, P. J. Dagdigian, M.-L. Dubernet, F. Lique, and G. Pineau des Forets,

“Collisional excitation of water by hydrogen atoms,” Mon. Not. R. Astron. Soc. 446, 2312-2316

(2015).

282. P. J. Dagdigian, “Combustion simulations with accurate transport properties for reactive

intermediates,” Comb. Flame 162, 2480-2486 (2015).

283. D. Forthomme, M. L. Hause, H.-G. Yu, P. J. Dagdigian, T. J. Sears, and G. E. Hall, “Doppler-

resolved kinetics of saturation recovery,” J. Phys. Chem. A 119, 7439-7450 (2015).

284. H. C. Schewe, Q. Ma, N. Vanhaecke, X. Wang, J. Kłos, M. H. Alexander, S. Y. T. van de

Meerakker, G. Meijer, A. van der Avoird, and P. J. Dagdigian, “Rotationally inelastic scattering

of OH by molecular hydrogen: Theory and experiment,” J. Chem. Phys. 142, 204310 (13 pages)

(2015).

285. Q. Ma, A. van der Avoird, J. Loreau, M. H. Alexander, S. Y. T. van de Meerakker, and P. J.

19

Dagdigian, “Resonances in rotationally inelastic of NH3 and ND3 with H2,” J. Chem. Phys. 143,

044312 (10 pages) (2015).

286. P. J. Dagdigian, “Accurate transport properties for H–CO and H–CO2, “ J. Chem. Phys. 143,

054303 (7 pages) (2015).

287. P. J. Dagdigian, J. Kłos, and M. H. Alexander, “Theoretical investigation of the dynamics of

O(1D 3P) electronic quenching by collision with Xe,” J. Chem. Phys. 143, 054306 (13 pages)

(2015).

288. L. A. Garofalo, M. C. Smith, P. J. Dagdigian, J. Kłos, M. H. Alexander, K. A. Boering, and J. J.-

M. Lin, “Electronic quenching of O(1D) by Xe: Oscillations in the product angular distribution

and their dependence on collision energy,” J. Chem. Phys. 143, 054307 (13 pages) (2015).

289. T. K. Boyson, P. J. Dagdigian, K. D. Pavey, N. K. FitzGerald, T. G. Spence, D. S. Moore, and C.

C. Harb, “Real-time multiplexed digital cavity-enhanced spectroscopy,” Optics. Lett. 40, 4560-

4562 (2015).

290. O. Tkác, A. K. Saha, J. Loreau, Q. Ma, P. J. Dagdigian, D. H. Parker, A. van der Avoird, and A.

J. Orr-Ewing, “Rotationally inelastic scattering of ND3 with H2 as a probe of the intermolecular

potential energy surface,” Mol. Phys. 113, 3925-3933 (2015).