^ V I international School-Seminar

P U B I f A ' Dubna, Russia 22-27 September 1997

HEAVY ION PHYSICS

UMVERSITATSBIBLIOTHEKHANNOVER

TECHNISCHEiNFOPMATlONSBIBLlOTHEK

Editors

Yu. Ts. Oganessian & R. KalpakchievaFlerov Laboratory of Nuclear Reactions, Dubna, Russia

World ScientificSingapore • New Jersey • London • Hong Kong

IX

CONTENTS

Preface vii

SCHOOL-SEMINAR

Extension of the Periodic System of Elements and the Structure of the 1Vacuum

W. Greiner

European Exotic Beam Facilities 23A.C.Mueller

The SPIRAL Radioactive Beam Facility at GANIL: Status and 31Perspectives

D. Guerreau

Studies of Exotic Nuclei at the Jyvaskyla Cyclotron 39J.Aysto

Status of the NSCL Facility Upgrade 46D.J.Morrisseyfor the NSCL Staff

Status and Research Plans at the Warsaw Cyclotron 54J.Kownacki

INT AS: A Bridge between Scientists of the Western Europe and the New 57Independent States of the Former Soviet Union

D. Gould, R. Vardapetian

Borromean Halo Nuclei: Structure of Bound States and Continuum 65J.S.Vaagen, T.Rogde, B.V.Danilin, S.N.Ershov, J.Al-Khalili,M.V.Zhukov, I.J.Thompson

Light Halo Nuclei and Few-Body Models 73M.V.Zhukov

Studies of Exotic Nuclei at Fragment Separator RIPS (RIKEN) 81A. A. Korsheninnikov

Strong Correlations in Fragmentation of 240 MeV/u He 89L. V. Chulkovfor the SI 35 GSI Collaboration

Charge-Exchange Reaction Induced by Light Neutron Rich Beams: the 97Caseofp(6He,6Li)n

M.D.Cortina-Gil, A.Pakou, N.Alamanos, W.Mittig, P.Roussel-Chomaz, F.Auger, J.Barrette, Y.Blumenfeld, J.M.Casandjian,M.Chartier, F.Dietrich, V.Fekou-Youmbi, B.Fernandez, N.Frascaria,A.Gillibert, H.Laurent, A.Lepine-Szily, N.Orr, V.Pascalon,J.A.Scarpaci, J.L.Sida, T.Suomijarvi

Production of a High Quality He Beam and the Two-Neutron Exchange 105

Observed in the He + He ReactionG.M.Ter-Akopian, A.M.Rodin, A.S.Fomichev, S.I.Sidorchuk,S.V.Stepantsov, R.Wohki, M.L.Chelnokov, V.A.Gorshkov,A.Yu.Lavrentev,V.G.Galinski, G.N.Ivanov, I.B.Ivanovo,V. I. Zagrebaev, Yu. Ts. Oganessian

Density Distribution Effects on He + a and Li + a Elastic Scattering 114S.A. Goncharov

Anomalous Angular Scattering of Exotic Nuclei 122K.A. Gridnev, B.V.Danilin, S.N.Ershov, D.K.Gridnev, J.S.Vaagen

Elastic and Inelastic Scattering of ' Li+Si at Backward Angles, in the 128Energy Range (9.5-25) AMeV

M.Petrascu, C.Bordeanu, M.Giurgiu, A.Isbasescu, I.Mihai

Sharp Cut-off Approach of Neutron Pre-emission in Fusion of Be on 13112C Target

M.Petrascu, C.Bordeanu, M.Giurgiu, A.Isbasescu

Mechanism of Multi-Nucleon Transfer Reactions 134H. G. Bohlen, W. von Oertzen, A.Blazevic, B.Gebauer, S.Thummerer,M.Wilpert, R.Kalpakchieva, S.M.Grimes, T.N.Massey, A.Lepine-Szily, J.M.Oliveira, W.Mittig, P.Roussel-Chomaz, A.N.Ostrowski

Low Energy Nuclear Reactions Induced by Loosely Bound Nuclei 142D.Semkin, V. Zagrebaev

Double-Folding Model Potentials and Total Reaction Cross-Sections for 145Light Exotic Nuclei

S.A.Fayans, D. V.Bolotov, O.M.Knyazkov, I.N.Kuchtina

Two-Proton Emission Following the Beta Decay of Ar 148I.Mukhafor the ISOLDE-IS320 collaboration

New Neutron-Rich Nuclei Produced with a 70 AMeV 48Ca Beam 151H.Sakurai, N.Aoi, D.Beaumel, N.Fukuda, M.Hirai, E.Ideguchi,M.Ishihara, H.Iwasaki, T.Kishida, T.Kubo, H.Kumagai,S.M.Lukyanov, T.Nakagawa, T.Nakamura, M.Notani,Yu.Ts.Oganessian, Yu.E.Penionzhkevich, T.Teranishi, Y.Watanabe,Y. Watanabe, K. Yoneda, A. Yoshida

Neutron Skin of Na Isotopes and an Application to the EOS 158T.Suzuki, H.Geissel, O.Bochkarev, L.Chulkov, M.Golovkov, N.Fukunishi,D.Hirata, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus,G.Miinzenberg, S.Neumaier, F.Nickel, A.Ozawa, A.Piechaczeck,E.Roeckl, W.Schwab, KSiimmerer, K.Yoshida, I.Tanihata

Interaction and Charge-Changing Cross Sections of A=20 Isobars 164O.Bochkarev, L.Chulkov, P.Egelhof, H.Geissel, M.Golovkov,H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Muenzenberg,F.Nickel, A.Ogloblin, A.Ozawa, A.Piechaczek, E.Roeckl, W.Schwab,K.Summerer, T.Suzuki, I.Tanihata, K.Yoshida

Study of the Very Neutron-Rich Nuclei around N=20 with a 36S Beam 167Yu.E.Penionzhkevich, R.Allat, J.C.Angelique, R.Anne, C.Borcea,Z.Dlouhy, C.Donzaud, S.Grevy, D.Guillemaud-Mueller,M.Lewitowicz, S.M.Lukyanov, A.C.Mueller, F.Nowacki,Yu.Ts.Oganessian, N.A.Orr, A.N.Ostrowski, R.D.Page, F.Pougheon,A.Reed, M.G.Saint-Laurent, W.Schwab, E.A.Sokol, O.Sorlin,O. B. Tarasov, W. Trinder, J. S. Winfield

P-Decay of Neutron Rich Isotopes of Fluorine and Neon 175O.B.Tarasov, R.Allatt, J.C.Angelique, R.Anne, C.Borcea, Z.Dlouhy,C.Donzaud, S.Grevy, D.Guillemaud-Mueller, I.N.Izosimov,M.Lewitowicz, S.M.Lukyanov, F.Nowacki, A.C.Mueller,Yu.Ts.Oganessian, N.A.Orr, A.N.Ostrowski, R.D.Page,Yu.E.Penionzhkevich, F.Pougheon, A.Reed, M.G.Saint-Laurent,W.Schwab, TSiiskonen, E.A.Sokol, O.Sorlin, J.Suhonen, W.Trinder,J.S.Winfield

Theory of the Diffraction Interaction of Weakly Bound Cluster Nuclei 180with Nuclei

M.V.Evlanov, A.M.Sokolov, V.K.Tartakovsky

Cluster Radioactivity: the Status and Perspectives of the Investigations 183Yu.Ts.Oganessian, V.L.Mikheev, S.P.Tretyakova, A.A.Ogloblin,V.A.Denisov, G.A.Pik-Pichak, V.M.Semochkin, V.A.Shigin,I.KShvetsov, M.Hussonnois, R.Bonetti, A.Guglielmetti, G.Poli

A Binding Energy in Neutron-Rich Hypernuclei 187T.Yu.Tretyakova, D.E.Lanskoy

Common Structure of Mass Distribution of Elementary Particle 190Resonances

F.A.Gareev, M.Yu.Barabanov, G.S.Kazacha

Asymptotic Normalization Coefficients and Astrophysical Radiative 193Capture Reactions

A.M.Mukhamedzhanov, H.L.Clark, H.Dejbakhsh, C.A.Gagliardi,Y.-W.Lui, L.Trache, R.E.Tribble, H.M.Xu, V.Burjan, J.Cejpek,V.Kroha, S.Piskor, J.Vincour, F.Carstoiu, A.Sattarov

Charge Asymmetry Effects on Reaction Mechanisms 198V.Baran, M.Colonna, M.Di Toro, G.Fabbri, A.Larionov,S.Maccarone, H.Sagawa

Nuclear Multifragmentation and Nucleation Theory 213J.Schmelzer, G. Rdpke, D.Labudde

The Dynamical Character of Nuclear Multifragmentation 221J.Toke, W.U.Schroder

Decay Study of Hot Heavy Nuclei below the Multifragmentation 232Threshold with the FOBOS Detector at Dubna

C.-M.Herbach, H.-G.Ortlepp and W. Wagner for the FOBOSCollaboration

Multifragmentation Induced by Light Relativistic Projectiles and Heavy 242Ions: Similarities and Differences

V.A.Karnaukhov, S.P.Avdeyev, W.D.Kuznetsov, L.A.Petrov,V.KRodionov, A.S.Zubkevich, HOeschler, O.V.Bochkarev,L.V.Chulkov, E.A.Kuzmin, A.Budzanowski, W.Karcz, M.Janicki,E.Norbeck, A.S.Botvina

Isospin Effects on Fragmentation 253S.J.Yennello, E.Ramakrishnan, H.Johnston, F.Gimeno-Nogues,D.J.Rowland, R.Laforest, Y-W. Lui, S.Ferro

On Vortical Solutions in Quantum Hydrodynamics 261V. G. Kartavenko, P. Quentin

Nonlinear Oscillations of Nuclear Density 264V.G.Kartavenko, A.Sandulescu, W.Greiner

XIII

Hot Fusion Reactions and the Decay of Highly Excited Fissile 267Compound Nuclei

D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, Yu.A.Muzychka,Yu.Ts.Oganessian, B.I.Pustylnik, A.G.Popeko, R.N.Sagaidak,G.M.Ter-Akopian, A.V.Yeremin, S. Sdro, M.Veselsky

Identification and Temperature Measurement of Decaying Sources 275Formed in Au+Au 35 MeV/u collisions

P.M.Milazzo, M.Azzano, M.Bruno, L.Celano, N.Colonna,M.D'Agostino, J.D.Dinius,M.L.Fiandri, D.Fontana, C.KGelbke,T.Glasmacher, F.Gramegna, M.J.Huang, I.Iori, W.G.Lynch,G.J.Kunde, G. V.Margagliotti, L.Martin,P.F.Mastinu,C.P.Montoya,A.Moroni, F.Petruzzelli, R.Rui, G.Tagliente, M.B.Tsang, G.Vannini,H.Xi

Isovector Vibrations in Hot Nuclear Matter 285M. Di Toro, V.M.Kolomietz, A.B.Larionov

Pion and Kaon Production as a Probe for the Hot and Dense Nuclear 288Matter

H. Oeschler for the KaoS Collaboration

Nuclear Bremsstrahlung in Proton Induced Reactions at 190 MeV 299(First Experiments at AGOR)

HW.Wilschut

The Investigation of Fast Light Particles Emission in ci-Induced 309Reaction on Ag at 52 MeV/nucleon

V.Yu.Alexakhin, M.I.Gostkin, K.KGudima, M.P.Ivanov,I. V.Kuznetsov, A.Kugler, S.I.Merzlyakov, L.Mikhailov, C.L.Morris,E.A.Pasyuk, Yu.E.Penionzhkevich, S.Yu.Porokhovoy, Yu.G.Sobolev,V.D.Toneev

Extending and Exploiting our Knowledge of Fusion Barrier Distributions 312N.Rowley

Evaporation Residues Production in the O + Pb and Kr + ' Xe 323Reactions near the Fusion Barrier

R.N.Sagaidak V.I.Chepigin, A.P.Kabachenko, A.Yu.Lavrentev,O.N.Malyshev, Yu.Ts.Oganessian, A.G.Popeko, J.Rohdd,A.V.Yeremin, S.Hofmann, F.P.HeJherger, V.Ninov, C.Stodel

Fusion of 0 + Pb at Barrier and Subbarrier Energies 331V.M. Shilov

XIV

Fusion Process and Elastic Scattering at Energies around and below the 334Coulomb Barrier

A.Scalia, N. Arena, Seb.Cavallaro and R.Giordano

Dynamics of Near-Barrier Fusion Processes and the Fine Structure of the 339Barrier Distribution Function

N.Nikolaeva, V.Samarin, V.Zagrebaev

Heating and Fluctuations in Nuclear Fusion 343IN. Mikhailov, T.I. Mikhailova, M. Di Toro

Fluctuations and Chaotic Motion in Collisions of Light Heavy Ions: 354Quasimolecular States

A.Denikin, V.Zagrebaev

Refractive Scattering and Reactions in the 16O + 16O System 357W. von Oertzen, R.Pershin, HG.Bohlen, A.Blazevic, M. Wilpert,G.Bartnitzky, H.Clement, J.Siegler, P.Roussel-Chomaz, W.Mittig,A.Ostrowski, A.Gillibert, J.M.Casandjian

Production of Nuclei in ' ' S-Induced Reactions in the Energy Range 3646-75 MeV/A

O.B.Tarasov, Yu.E.Penionzhkevich, R.Anne, D.S.Baiborodin,C.Borcea, Z.Dlouhy, D.Guillemaud-Mueller, A.S.Fomichev,R.Kalpakchieva, M.Lewitowicz, S.M.Lukyanov, V.Z.Maidikov,A.C.Mueller, Yu.Ts.Oganessian, M.G.Saint-Laurent, N.K.Skobelev,O.Sorlin, V.D.Toneev, W.Trinder

The Role of Entrance Channel in Fusion Reaction Dynamics 367G.Giardina, A.KNasirov

The Fragments in Fluid Dynamics Model of Heavy Ion Collisions with 370the Nonequilibrium Equation of the State

A.T.D'yachenko

Nuclear Molecules. The Properties and the Role in Reactions 373VA.Shigin

A Study of Elastic Scattering in a Woods-Saxon Potential within the 376High-Energy Approximation

Yu.V.Chubov, A.V.Embulaev, V.KLukyanov, V.P.Permyakov,E. V.Zemlyanaya

Neutron Multiplicity in Heavy Ion Induced Reactions 379D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov

Isotope Production in Spallation Reactions Relevant for the Incineration 382of Nuclear Waste

F.Farget, J.Benlliure, T.Enqvist, P.Armbruster, K.H.Schmidt,A.Boudard, S.Leray, J.P.Dufour, M. de Jong, KLegrain, C. Volant,M.Bernas, L.Tassan-Got, B.Mustapha, C.Stephan

Recent Results of Experiments at SHIP 385S.Hofmann

Discovery of Enhanced Nuclear Stability Near the Shell Closures N=162 400andZ=108

V.KUtyonkov, \Yu.A.Lazarev\ Yu.V.Lobanov, Yu.Ts.Oganessian,F.Sh.Abdullin, A.N.Polyakov, J.Rigol, I.V.Shirokovsky, Yu.S.Tsyganov,S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, B.N.Gikal, V.B.Kut-ner, A.N.Mezentsev, R. W.Lougheed, J.F. Wild, K.J.Moody, E.KHulet

A Novel Mechanism for the Synthesis of Superheavy Elements 409T.Wada, Y.Aritomo, T.Tokuda, KOkazaki, M.Ohta, Y.Abe

Predicted Properties of Deformed and Spherical Superheavy Nuclei 417Z.Patyk, A.Sobiczewski

Analysis of Reactions of Superheavy Element Synthesis within the 423Framework of the Dinuclear System Concept

V.V.Volkov, G.G.Adamian, N.V.Antonenko, E.A.Cherepanov, A.K.Nasirov

Estimation of the Production Cross Sections of Heavy Nuclei in "Cold" 431and "Hot" Fusion Reactions

B.I.Pustylnik

The Energy Window of Entrance Channel and Synthesis of Super Heavy 434Elements

R. V.Jolos, A.KNasirov, A.I.Muminov

Isomeric States in the Second Well of the Potential and Long-Lived 437Superheavy Elements

A.Marinov, S.Gelberg, D.Kolb

Experimental Aspects of Superheavy Element Synthesis 445S.Saro, S.Gocalova, S.Hofmann, F.P.Hefiberger, A.G.Popeko,A. V. Yeremin

Search for Long-lived Isotopes of Element 106 in the Reaction 45348Ca+232Th

M.Hussonnois, D.Trubert, C. LeNaour, L.Brillard,Yu.Ts.Oganessian, V.KUtyonkov, Yu.V.Lobanov, Yu.S.Tsyganov,O. Constantinescu, M. Constantinescu

Some PSI-RCR-FLNR Collaborative Experiments on Chemistry of 461Elements 102 and 104; Dubna 1996

A.Yakushev, G.Buklanov, B.Eichler, H.W.Gaeggeler, M.Grantz,S.Huebener, D.T.Jost, V.Lebedev, D.Piguet, St.Taut, S.Timokhin,A.Tuerler, M.V.Vedeneev, I.Zvara

Decay Properties of 265Sg and 266Sg 469A.Turler, R.Dressler, B.Eichler, H.W.Gaggeler,D.T.Jost, M.Schadel,W.Bruchle, KE.Gregorich, N.Trautmann, S.Taut

Behaviour of the Homologues of the Elements 104 and 105 in HF - HC1 480Media

C. Le Naour, D.Trubert, F.Monroy Guzman, M.Hussonnois,L.Brillard, O.Constantinescu, V.Servajean, G.Ardisson, V.Barci,B. Weiss, Yu. Ts. Oganessian

On Line Separation of Short Lived Isotopes of W as Homolog of Element 483106 from Hf and REE in Sulphuric Acid Media

Z.Szeglowski, Dinh ThiLien, L.I.Guseva, G.S.Tikhomirowa,V.P.Domanov, B.Kubica, O. Constantinescu, M. Constantinescu,A.Yakushev

Development of Ion-Exchange Method for Isolation and Chemical Study 490of Element 106 in H2SO4 and H2SO4/HF Solutions

L.I.Guseva, Z.Szeglowski, G.S.Tikhomirowa, Dinh Thi Lien,V.P.Domanov, B.Kubica, O.Constantinescu, M.Constantinescu,A.G.Beilov

Theoretical Masses and Charge Radii of Stable and Exotic Nuclei 497Z.Patyk, A.Baran, J.F.Berger, J.Decharge J.Dobaczewski, P.Ring,A.Sobiczewski

Study of Short-Lived Isomers Produced in the Fragmentation-Like 503Reactions

M.Lewitowicz, R.Grzywacz, KRykaczewski, M.Pfiitzner

XVII

First Observation of the Exotic Nucleus Tm via its Direct Proton 511Emission

J.C.Batchelder, C.R.Bingham, K.Rykaczewski, KS.Toth,T.Davinson, J.A.McKenzie, P.J Woods, T.N.Ginter, C.J.Gross,J.W.McConnell, E.F.Zganjar, J.H.Hamilton, W.B.Walters,C.Baktash, J.Greene, J.F.Mas, W.T. Milner, S.D.Paul, D.Shapira,X.JXu, C.H.Yu

Spectroscopy of Neutron - Rich Fe and Zn Isotopes Produced in 514Deep-Inelastic Collisions

T.Pawlat, R.Broda, B.Fornal, W.Krolas, J. Wrzesinski, D.Bazzacco,S.Lunardi, C.Rossi-Alvarez, G.de Angelis

Insights on the Compound Nucleus Decay via the pa Channel 520E.Vardaci, F.Bourgine, D.Cabaussel, D.Boivin, M.Alche,M.-M.Aleonard, G.Barreau, J.-F.Chemin, T.P.Doan, J.P.Goudour,M.Harston, J.-N.Scheurer, A.Brondi, G.La Rana, R.Moro,A.Principe, D.Curien

Neutron Decay of High Angular Momentum States 530N. Van Giai, Ch.Stoyanov, V. V. Voronov, S.Fortier

Fission Fragment Spectroscopy on a Si + Si Quasi-Molecular 538Resonance

R.Nouicer, C.Beck, F.Haas, N.Aissaoui, RM.Freeman, T.Bellot, G.de France, D.Disdier, G.Duchene, A.Elanique, A.Hachem,F.Hoellinger, D.Mahboub, D.Prevost, V.Rauch, S.J.Sanders,T.Catterson, A.Dummer, F.W.Prosser, A.Szanto de Toledo,Sl.Cavallaro, E.Uegaki, Y.Abe

Study of the Beta-Decay Strength Function by the Total-Absorption 546Method

I.N.Izosimov, V.G.Kalinnikov, M.Yu.Myakushin, A.A.Rimski-Korsakov, A.A.Solnyshkin, J.Suhonen, JToivanen

Study of Single-Particle States in 132Sn Region using p and y 554Spectroscopy

M.Sanchez-Vega, B.Fogelberg, H.Mach, R.B.E.Taylor, A.Lindroth,J.Blomqvist

Energy Levels of 124Te Following P+/EC Decay of 124I 560H.El Samman

XVIII

Photon- and Neutron-Induced Reactions with Isomeric Targets 565S.A.Karamian, Yu.Ts.Oganessian, J.Adam, A.G.Belov, Ch. Briancon,O.Constantinescu, M.Hussonnois, G.V.Muradian, J.TrochonZ.Szeglowski

Nuclear Structure of the K=16 Isomer in 178Hf 577H.J. Wollersheim

Decay of Nuclear Isomeric States and Ionic Charge-State Distributions of 585HI Fusion Recoils

V. Z. Maidikov

Optical Isotope Shift and Hyperfine Structure Measurements at 588Am Fission Isomers

W.Lauth, H.Backs, M.Hies, T.Kolb, H.Kunz, Th.Schutze, M.Sewtz,A.Steinhof, KEberhardt, N.Trautmann, R.Repnow

Fusion-Fission Dynamics in Systems Leading to Z = 110 598L.Donadille, B.Benoit, F.Hanappe, E.Liatard, G.Rudolf, L.Stuttge,B.Bilwes, R.Bougault, J.-F.Bruandet, G.J.Costa, P.Desesquelles,O.Dorvaux, F.Far get, J.Fayot, G.Guillaume, A.Huck, J.M.Itkis,M.G.Itkis, S.Jokic, N.A.Kondratiev, E.M.Kozulin, Yu.A.Lazarev,F.R.Lecolley, J.F.Lecolley, Yu.Ts.Oganessian, G.Perrin, D.Santos,F.Schussler, S.Tomasevic, J.-B.Viano, B.Vignon

Excitation Energy Deposition in Medium Energy Reactions 604R. P.Schmitt, B.Hurst, J.Boger, T.Botting, L.Cooke, D.O'Kelly,B. K. Srivastava, W. Turmel

Recent Results from HENDES Collaboration 611W.H.Trzaska, V.A.Rubchenya, A.A.Alexandrov, I.D.Alkhazov,J.Aysto, K.Brinkmann, S.V.Khlebnikov, A.V.Kuznetsov, V.G.Lyapin,V.Makarenko, M.Mutterer, O.I.Ossetrov, Yu.E.Penionzhkevich,Yu.V.Pyatkov, Yu.G.Sobolev, G.P.Tiourine, D.N.Vakhtin

Fission Time Scale and Dissipation in Fusion-Fission Reactions 619V.A.Rubchenya

Fission-Evaporation Competition in Heavy Nuclei 628G. Giardina

Effect of the Coherence Length Finiteness on the Dynamics of Nuclear 637Fission

A.I. Startsev

XIX

Macroscopic Dynamics of Nuclear Fission in the Elastic Globe Model 640S.I.Bastrukov, D. Podgainy, I. Molodtsova, G. Kosenko,V.Salamatin

Use of the Combination Dynamics-Evaporation Approach for the 644Description of the Fission Dynamics of Excited Nuclei

G.I.Kosenko, D.V.Vanin, G.D.Adeev

Mass Resolved Angular Distribution of Fission Fragments at Near- 647Barrier Energies

D. Vorkapic, B.Ivanisevic

Fragment Angular Distribution as a Probe of Low Energy Fission 650Dynamics in Nuclei Having Two Classes of Excited States

D.O.Eremenko, V.A.Drozdov, G.Giardina, O.V.Fotina, F.Malaguti,B.Mellado, S.Yu.Platonov, O.A.Yuminov

The Stochastic Approach to the Fission Process - a Problem of the 653Interpretation of the Langevin Equation with a Multiplicative Noise

I.Gontchar, A.E.Gettinger, R.S.Kurmanov, L.A.Litnevsky

Analysis of the Data Using the Different Interpretations of the Langevin 661Equations for the Fission Process

L.A.Litnevsky, I.Gontchar

On the Applicability of the Approximation of Overdamping to the 664Fission Motion

A.E. Gettinger and I. Gontchar

Electromagnetic-Induced Fission of Short-Lived Nuclei 667K.-H.Schmidt, J.Benlliure, A.Heinz, S.Steinhauser, C.Bockstiegel,A.Grewe, H.-G.Clerc, M.de Jong, A.RJunghans, J.Muller,M.Pfiitzner

Isomeric Yield Ratios of Fission Products in Th + p 675H.Kudo, S.Goto, D.Kaji, K.Yasuda, M.Fujita, T.Shinozuka,M.Fujioka

A Direct Determination of Fission Lifetimes as a Function of Excitation 683Energy by the Blocking Technique

M.Morjean, M.Chevallier, C.Cohen, D.Dauvergne, J.Dural, J.Galin,F.Goldenbaum, D.Jacquet, R.Kirsch, E.Lienard, B.Lott, A.Peghaire,Y.Perier, J.C.Poizat, G.Prevot, J.Remillieux, D.Schmaus,M. Toulemonde

XX

Experimental Evidence of Shell Effects in the Fission Time of Heavy 688Nuclei

A.D'Arrigo, D.O.Eremenko, E.Fioretto, O.V.Fotina, E.Fuschini,G.Giardina, F.Malaguti, A.Moroni, Yu.L.Parfenova, S.Yu.Platonov,R.A.Ricci, R.Sturiale, G.Vannini, L.Vannucci, O.A.Yuminov

Fission Mode Models and Their Application 691F.-J.Hambsch

New Fission Mode in Uranium 699A.A.Goverdovski, V.F.Mitrofanov

Yields of Correlated Pairs in Cold Binary and Cold Ternary Spontaneous 703Fission and New Structures with Gammasphere

J.H.Hamilton, A.V.Ramayya, J.K.Hwang, L.K.Peker, E.F.Jones,R.Dodder, P.M.Gore, C.J.Beyer, X.Q.Zhang, J.Kormicki, B.R.S.Babu,A.Sandulescu, A.Florescu, W.Greiner, G.M.Ter-Akopian,Yu.Ts.Oganessian, A.V.Daniel, S.J.Zhu, M.G.Wang, TGinter,J.KDeng, W.C.Ma, G.S.Popeko, Q.H.Lu, J.O.Rasmussen, S.J.Asztalos,I.Y.Lee, S.Y.Chu, KE.Gregorich, A.O.Macchiavelli, M.F.Mohar,S.Prussin, M.A.Stoyer, R. W.Lougheed, K.J.Moody, J.F. Wild,L.A.Bernstein, J.A.Becker, J.D.Cole, R.Aryaeinejad, Y.X.Dardenne,M.W.Drigert, K.Butler-Moore, R.Donangelo, HC.Griffin

Spontaneous Fission Properties of Neutron Deficient Rutherfordium, 712Seaborgium and Mendelevium Isotopes

ChStodel, F.P.HeBberger, V.Ninov, S.Hofmann, P.Armbruster,H.Folger, G.Miinzenberg, A.G.Popeko, A.V.Yeremin, A.N.Andreyev,S.Saro, M.Leino

The "Two-Sn" Mode Observed in Cold Fission of Cm and Cf Isotopes 720Yu.V.Pyatkov, A.A.Alexandrov, I.A.Alexandrova, V.V.Pashkevich,Yu.E.Penionzhkevich, V.G.Tishchenko, A.V.Unzhakova, V.A.Maslov,I.P.Tsurin, H.-G.Ortlepp, P.Gippner, C.-M.Herbach, K-D.Schilling,W. Wagner, B.I.Fursov, V.F.Mitrofanov

Nuclear Fission beyond Two-Body Kinematics 723A. V.Kravtsov, G.E.Solyakin

Planned Upgrade of the VASSILISS A Separator 725A.V.Yeremin, A.G.Popeko, Yu.Ts.Oganessian, V.I.Chepigin,A.P.Kabachenko, R.N.Sagaidak, L.A.Rubinskaya, E.M.Smirnova,R. Wolski

XXI

First Test Measurements of the SIRI AE-E-Particle Telescope Array 728A.Schiller, L.Bergholt, M.Guttormsen, E.Melby, S.Messelt, E.Olsen,J.Rekstad, S.Siem, T.S.Tveter, J.CWikne

Application of the Laser Ion Source for Isotopic Shift Investigations of 731Neutron Deficient Yb Isotopes

A.E.Barzakh, I.Ya.Chubukov, D.V.Fedorov, F.V.Moroz,V.N.Panteleev, M.D.Seliverstov, Yu.M.Volkov

On-Line Investigation of a High Temperature, Refractory Target 736V.N.Panteleev, A.E.Barzakh, I.Ya.Chubukov, D.V.Fedorov,F.V.Moroz, S.Yu.Orlov, A.G.Poljakov, M.D.Seliverstov, Yu.M.Volkov

New "Slowing-Down" Experimental Technique for Investigation of 739Formation and Decay of Heavy and Superheavy Nuclei

I.M.Egorova, D.O.Eremenko, O.V.Fotina, G. Giardina, F.Malaguti,S.Yu.Platonov, A.Uguzzoni, O.A.Yuminov

The Compact 47t-Camera: First Results of y-p-a Coincidence 742Measurements

M.F.Kudoyarov, V.V.Lobanov, A.A.Pasternak, Yu.A.Shitov

Two Possibilities for Precise RIB Experiments in the Energy Range below 74620 AMeV at the FLNR U-400 Cyclotron

V.ZMaidikov, V.V.Bashevoy, V.N.Melnikov, R.Kalpakchieva,I.V.Kuznetsov, Yu.Ts.Oganessian, Yu.E.Penionzhkevich, N.K.Skobelev

Modelling of the New FLNR Magnetic Analyser Vacuum Channel 748

V.V.Bashevoy, V.Z.Maidikov

The U-400M Cyclotron Beam-Transport Line as a RIB Separator 751V.ZMaidikov, V.V.Bashevoy, V.N.Melnikov

APPLIED PHYSICS RESEARCH

Polymers and Track Membranes 754M.Hagiwara

Application of Particle Track Membranes - Polish Experiences 761M.Buczkowski, W.Starosta, D.Wawsczak, T.Zoltowski

XXII

Polymers Modified by Heavy Ion Irradiation and Chemical Doping and 770Their Potential Use in Medicine and Electronics

V.Hnatowicz, J. Vacik, V.Penna, V.Svorak, V.Rybka

Intelligent Polymer Gels Based on Pendant Amino Acid Residures 778M. Yoshida

On the Interaction of Penetrant Solutions with Pristine and Ion- 784Irradiated Polyimide

D.Fink, S.Ghosh, KHirata, R.Klett, KKDwivedi, J. Vacik, V.Hnatowicz

The Pore-Opening Process of Etching PETP Films Irradiated by Multiple 792Heavy Ions and the Three-Phase-Model of the Etching Process of theSingle Ion Track

A.Schulz, M.Danziger, G.N.Akapjev, V.V.Trofimov, KProkert

An Attempt of Experimental Determination of Differential Energy of the Ion 796Pair Formation in Air Bombarded with 240 MeV Ca-40 Ions, 300 MeVCo-59 Ions and 200 MeV Fe-56 Ions

Z.Stuglik, P.Yu.Apel

Actual Motivations in Applied Research with Heavy Ions: The Joint 799Efforts of CIRIL and GANIL

H.Delagrange

Ion Beam Mixing of Thin Metal Layers Deposited on Silicon Substrates 807M.Milosavljevic, N.Bibic

Effects of the High Energy Kr Ion Irradiation on the Uniaxially Oriented 817Isotactic Polypropylene

D.Kostoski, A.Yu.Didyk, Z.Stojanovic, M.Dramicanin, D.Dudic,V.Dokovic

Heavy-Ion Induced Effects in the Damage of a Ge Crystal at ~ 100 MeV 825W.Assmann, H.Huber, H.Nolte, H.D.Mieskes, E.Gazis, M.Kokkoris,S.Kossionidis, R.Vlastou, R.Groetzschel, M.Muecklich, W.Prusseit,S.A.Karamian

Radiation Damage Effect on High Energy Ionoluminescence of a-Al2O3 835V.A.Skuratov, V.A.Altynov, S.M.Abu AlAzm

STM and AFM Observations of Damage Produced by Swift Ne and Kr 842Ions in Graphite

K. Havancsdk, L. P. Bird, J. Gyulai, A. Yu. Didyk

XXIII

Impact of Doping Level on Electrical Active Defect Spectrum in Silicon 848Implanted by High Energy N+ Ions

/. V.Antonova, S.S.Shaimeev

Damage Microstructures and Their Role on Yield Stress in Austenitic 854Stainless Steel Irradiated to Low Doses with 124 MeV Xe and 225 MeVAr Ions

A.Hofman, A.Yu.Didyk, T.Kochanski

On the Possibility of Development of Solid State Device to Discriminate 860Spontaneous Fission Events from the Scattered Heavy Ions in Heavy IonInduced Nuclear Reaction Using Creation of Hot Electron Subsystems.

Yu.S.Tsyganov, V.F.Kushniruk, A.Yu.Didyk

Production of Radioisotopes for Biomedical and Environmental Studies 865at the JINR Accelerators

S.N.Dmitriev, N.G.Zaitseva, G.Ya.Starodub, O.D.Maslov,S.V.Shishkin, T.V.Shishkina, G.V.Buklanov, A.V.Sabelnikov

Modern Tendencies in Production and Application of Radioisotopes for 868Medical Purposes and Environmental Protection

S.N.Dmitriev, N.G.Zaitseva

Status and Perspectives of Radionuclide Production at Cyclotron Co. 872N.N.Krasnov, Yu.G.Sevastianov, A.A.Razbash, N.A.Konyakhin,A.I.Leonov, A.A.Ponomarev, VNMironov, P.P.Dmitriev,V.E.Pavlikhin

List of Participants 879

Author Index 897