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Overview of the High Intensity Neutrino Source Jean-Paul Carneiro FNAL Accelerator Physics Department FNAL Accelerator Physics and Technology Seminar February 8 th 2007. Fermilab 8 GeV Superconducting H -minus LINAC. TRANSPORT LINE ~1 km. MI10. ACCELERATING SECTION ~678 meters. - PowerPoint PPT Presentation
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Overview of the High Intensity Neutrino Source
Jean-Paul Carneiro
FNAL Accelerator Physics Department
FNAL Accelerator Physics and Technology SeminarFebruary 8th 2007
Fermilab 8 GeV Superconducting H-minus LINAC
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
MI10
ACCELERATING SECTION
~678 meters
TRANSPORTLINE~1 km
Fermilab 8 GeV H-minus LINAC : Main parameters
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
G. W. Foster (Editor) An 8-GeV Superconducting Linac Proton Driverhttp://protondriver.fnal.gov/SCRF_PD_v56.doc
(2005)
CREDITS
INITIAL ULTIMATE
Linac Particles per macropulse : 1.56E+14
Linac Macropulse Width : 3 ms 1 ms
Linac Pulse Repetition Rate : 2.5 Hz 10 Hz
Linac Beam Power : 0.5 MW 2.0 MW
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
OUTLINE
1 / Accelerating Section : Code benchmarking TRACK (ANL, P. Ostroumov)ASTRA (DESY, K. Floettmann)
2 / Transport Line : Implementation into TRACK Start-to-end parallel simulations (~1.7 km)
3/ The 60 MeV Front End Setup (Meson Linac)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
PART I
THE ACCELERATING SECTION
ACCELERATING SECTION : LAYOUT (P. Ostroumov, ANL)
Z~4 m
W~2.5 MeV ~16 m
~10 MeV ~60 m
~120 MeV ~140 m
~420 MeV
~230 m
~1.2 GeV ~678 m
~8.0 GeV
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
ASTRA (K. Floettmann, DESY)
TRACK (P. Ostroumov, ANL)
• Integration of Equation of motion by Runge-Kutta Method of Forth Order
• id• Read arbitrary input distribution
• id
• Read 2D and 3D external E fields • id
• Read 2D and 3D external B fields • Read only 2D external B fields
• 3D space charge (Free Space)
• 3D space charge (Image Charge)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRACK / ASTRA : BRIEF DESCRIPTION
• Handle RFQ’s • Do not handle RFQ’s
BENCHMARKING METHODOLOGY
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
• Benchmark TRACK/ASTRA from RFQ to last accelerating cavity( 674 m, 454 Cavities, 55 Sol., 117 Quads)
• First Zero Current (10k particles)
• Then for 43.25 mA (200k macro-particles, 3D Space Charge)
6 beam parameters : RMS Trans. Size, RMS Trans. Emittance RMS Bunch Length, RMS Long. EmittanceEnergy, RMS energy spread
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRACK / ASTRA : ZERO CURRENT
KINETIC ENERGY
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~2 %
RMS ENERGY SPREAD
TRACK / ASTRA : ZERO CURRENT
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~2 %
RMS BUNCH LENGTH
TRACK / ASTRA : ZERO CURRENT
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~0.7 %
RMS LONG. EMITTANCE
TRACK / ASTRA : ZERO CURRENT
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~10 %
~1 %
RMS ENVELOPE
TRACK / ASTRA : ZERO CURRENT
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~0.8 %
~0.8 %
RMS TRANSVERSE EMITTANCE
TRACK / ASTRA : ZERO CURRENT
TRACK / ASTRA : ZERO CURRENT Résumé
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
(+0.02 %)
0.970.98[mm]RMS SIZE Y
ASTRATRACKUNITS
[mm-mrad]
[mm]
[keV-mm]
[mm]
[keV]
[MeV] 79737971KINETIC ENERGY
0.2650.263RMS NORM. EMIT X
1.881.71RMS SIZE X
648.2643RMS NORM. EMIT Z
0.2560.251RMS BUNCH LENGTH
25652630RMS ENERGY SPREAD
RMS NORM. EMIT Y [mm-mrad] 0.258 0.260
(-2.47 %)
(+1.99 %)
(+0.73 %)
(+9.94 %)
(-1.02 %)
(+0.76 %)
(+0.77 %)
TRACK / ASTRA : 3D Uniform Ellipsoidal Bunch
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
3D UNIFORM ELLIPSOID500k macro-particules (TRACK/ASTRA)
CREDITS : T. Wangler, RF Linear Accelerators, p. 277.
TRACK / ASTRA : 3D Uniform Ellipsoidal Bunch
Transverse Space Charge FieldsLongitudinal Space Charge Fields
RMS ENERGY SPREAD
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~8 %
TRACK / ASTRA : 43.25 mA
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRACK / ASTRA : 43.25 mA
RMS BUNCH LENGTH
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
RMS LONG. EMITTANCE
~10 %
TRACK / ASTRA : 43.25 mA
RMS LONG. EMITTANCE
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~3 %
~9 %
TRACK / ASTRA : 43.25 mA
RMS TRANSVERSE EMITTANCE
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
~6 %
~1 %
TRACK / ASTRA : 43.25 mA
RMS ENVELOPE
(-0.04 %)
1.341.32[mm]RMS SIZE Y
ASTRATRACKUNITS
[mm-mrad]
[mm]
[keV-mm]
[mm]
[keV]
[MeV] 80098013KINETIC ENERGY
0.4930.453RMS NORM. EMIT X
1.871.76RMS SIZE X
943857RMS NORM. EMIT Z
0.3450.345RMS BUNCH LENGTH
27732564RMS ENERGY SPREAD
TRACK / ASTRA : 43.25 mA Résumé
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
RMS NORM. EMIT Y [mm-mrad] 0.549 0.566
(+8.15 %)
(+10.03 %)
(+6.25 %)
(+1.52 %)
(+8.83 %)
(+3.09 %)
CONCLUSION : TRACK / ASTRA BENCHMARKING
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRACK / ASTRA Agreement Within 10% (Zero Current and 3D Space Charge)
``Benchmarking of simulation codes for high intensity hydrogen ion linacs’’ submitted to Journal of Instrumentation.
Jean-Paul Carneiro CALCULATIONS OF THE LCLS INJECTOR USING ASTRA
Linac CenterLine
LCLS Injector Parts
QE02
Transverse RFCavity
WS2/OTR5/BPM8
OTR6 WS4
BPM7/WS1/OTR4
CM3/BPM4/OTR2
OTR3,BPM6
OTR1
BPM2CM2
BPM7/OTR7
Valve, V3
SC4
WS3/CM4
Sector 20-8BSector 20-8A BeamStopper
SC2
S2
SC3
SC5
BPM9
RF Gun
L0 Accelerators
SC7
EO2/SC6/BPM5
BPM3
Valve, V4
SC8
SC9V
SC9H SC10
5.00m.
Scale:
RadiationShielding
BPM11/OTR9
BPM10
QE01
QE03QE04
StraightAhead
Spectrometer
Tune-upDump/
Faraday Cup
OTR10/BPM12/CM6
SC11
OTR11/BPM13
QM01
QM02
QB
QM03&QM04
Valve, V5
Valves,V6&V7
ValveV8
ValveV9
ValveV10
D. DowellX2494
April 4, 2002
L01
L02
SOLENOIDRF GUN + SOLENOID
9.4 M
LCLS INJECTOR : ASTRA / PARMELA
Jean-Paul Carneiro CALCULATIONS OF THE LCLS INJECTOR USING ASTRA
0 2 4 6 8 100
1
2
3
4
5
Z [m]
RM
S N
orm
. Em
it. X
[mm
-mra
d]
PARMELAASTRA
0 2 4 6 8 100
0.5
1
1.5
2
2.5
Z [m]
RM
S S
ize
X [m
m]
PARMELAASTRA
LCLS INJECTOR : ASTRA / PARMELA
Jean-Paul Carneiro ASTRA SIMULATIONS OF THE LCLS INJECTOR
EXIT L02 (8.42 M) – RESUME
UNITS ASTRA PARMELA
MOMEMTUM [MeV/c] 149.14 149.96
RMS ENERGY SPREAD [%] 0.18 0.17
RMS SIZE X [mm] 0.32 0.29
RMS NORM. EMIT X [mm-mrad] 0.98 0.96
RMS SIZE Y [mm] 0.32 0.29
RMS NORM. EMIT Y [mm-mrad] 0.98 0.96
RMS BUNCH LENGTH [mm] 0.90 0.88
(0.5 %)
(6%)
(10%)
(2 %)
(10%)
(2 %)
(2%)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
PART II
THE TRANSPORT LINE
8 GeV TRANSPORT LINE TO MI: LAYOUT (D. Johnson et al., FNAL)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Stripping foil
ARC 1 ARC 2
Matching+
Collimation
DEBUNCHER CAVITYRT-SUPERSTRUCTURE
17 CELL
(T. Khabiboulline, FNAL-TD)
~1 km (8 GeV, Space Charge Off)
TRANSVERSE PARTICLE DISTRIBUTION AT THE FOIL (TRACK)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
No Collimator With Collimators
LONGITUDINAL PHASE SPACE AT THE FOIL (TRACK)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Debuncher OFF Debuncher ON
TRANSPORT LINE : MAD SIMULATIONS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
From D. Johnson (FNAL)
TRANSPORT LINE : TRACK / ELEGANT (M. Borland, ANL)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
DISPERSION
[m]
TRANSPORT LINE : TRACK / ELEGANT
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
BETA FUNCTION
~10 H 40 mn
~1 H 18 mn
Acc. Section (3D Space Ch.)
Transport Line (No Space Charge)
TRANSPORT LINE : TRACK / PARALLEL TRACK (J. Xu, ANL)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRACK START-TO-END SIMULATIONS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
TRANSV. RMS EMITTANCE
TRACK START-TO-END SIMULATIONS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
HINS longitudinal phase spaceRMS ENERGY SPREAD
TRACK SIMULATIONS : CONCLUSION & NEXT STEPS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Start-to-End simulations (from RFQ to stripping foil) implemented into TRACK
The 1.7 km beamline runs on parallel (64 CPU) at ANL-BlueGene computerTakes 1H18 mn to perform, 200k particules.
NEXT STEPS IN HINS SIMULATIONS
1/ Halo Studies (1M to 80M particle distribution on 64 to 256 CPUs)
2/ Jitter + Misalignment Studies (up to 100 CPU on ANL-JAZZ computer)
3/ Implementation H-minus stripping into TRACK (Magnetic, Residual Gas and Blackbody radiation)
TRACK SIMULATION : BLACKBODY STRIPPING
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
H. C. Bryant and G. H. Herling “Atomic physics with a relativistic H- beam” Journal of Modern Optics, January 2006
CREDITS C. Hill “Preliminary Notes: H- Ion Stripping in Transport by Thermal Photons” FERMILAB-Internal Memorandum (Dec. 2004) – unpublished -
Hill’s Equation of Total Loss per Unit Length :
with
Numerical Application :
300 K : 1/L=7.86E-7 m-1 × 1.56E14 p/sec × 1.28E-9 J ≈ 0.15 W/m (1 Hz)
80 K : 1/L=2.7E-10 m-1 × 1.56E14 p/sec × 1.28E-9 J ≈ 5.3E-5 W/m (1 Hz)
W. Chou “8 GeV H- Ions : Transport and Injection” PAC05
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
PART III
THE MESON LINAC
MESON LINAC : LAYOUT (~60 MeV, ~48 m)
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Cooling ring dipoleEffective Magnetic Length ~1.3 m
SQA Quads “Old 8 GeV to MR line”Effective Magnetic Length ~45 cm
Main Ring Trim QuadsEffective Magnetic Length ~35 cm
MESON LINAC : TRACK SIMULATIONS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
MESON HALL : SOUTH VIEW
Capture Cavity II Cave
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
MESON HALL : NORTH VIEW
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
MESON LINAC : MODULATOR, PULSE TRANSFORMER, KLYSTRON
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
MESON LINAC : KLYSTRON, RF CONTROL SYSTEM
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
FERMILAB Proton Source + LEBT (H. Piekarz, C. Schmidt, D. Moehs)
Installed in MS6 building~15 mA, 66 µs, 15 Hz
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
FERMILAB magnetron H- source (D. Moehs)
~20 mA, 3 ms, 1 Hz(January 2007)
MESON LINAC : CONCLUSION
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Modulator, Pulse Transformer and Klystron installed into Meson Hall
Expected delivery time for RFQ : Summer 2007
Expected first 2.5 MeV beam : Winter 2007
Acknowledgments
G. Apollinari (FNAL), S. Aseev (ANL), M. Borland (ANL), K. Floettmann (DESY), B. Foster (ex-FNAL), I. Gonin, C. Hill (FNAL), D. Johnson (FNAL), T. Khabiboulline,D. Moehs (FNAL), B. Mustapha (ANL), P. Ostroumov (ANL), H. Piekarz (FNAL), C. Schmidt (FNAL), V. Shiltsev (FNAL), B. Webber (FNAL), D. Wildman (FNAL), J. Xu (ANL).
CONCLUSION and ACKNOWLEDGMENTS
Jean-Paul Carneiro FNAL Accelerator Physics and Technology Seminar, Feb 8 th 07
Start-to-End simulation of the 8 GeV H-minus linac implemented into TRACK
Jitter Studies and impact into stripping efficiency and MI losses (ESME ?)
Benchmarking the code with experimental datas (Meson Linac)