HINS Linac Simulations : Benchmarking, Jitter and Stripping.

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HINS Linac Simulations Benchmarking, Jitter
and Stripping. Jean-Paul Carneiro FNAL
Accelerator Physics Center Accelerator Physics
and Technology Workshop for Project XNovember
12th , 2007
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BENCHMARKING HINS ACCELERATING SECTION TRACK
(ANL, P. Ostroumov) / ASTRA (DESY, K. Floettmann)
Z4 m W2.5 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
ProjectX Workshop, FNAL, November 12th
07
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BENCHMARKING Zero Current
RMS TRANSVERSE EMITTANCE
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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BENCHMARKING 45 mA (3D Space Charge)
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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BENCHMARKING 45 mA (3D Space Charge)
RMS ENVELOPE
RMS BUNCH LENGTH
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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BENCHMARKING 45 mA (3D Space Charge)
RMS ENERGY SPREAD
RMS LONG. EMITTANCE
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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RF JITTER STUDIES HINS with 8 ILC RF Units
Transport Line
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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RF JITTER STUDIES HINS with 8 ILC RF Units
Transport Line
cavities edges (35 mm)
TRACK Parameters at the Stripping Foil (From
PAC07 paper, 200kp)
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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RF JITTER STUDIES HINS with 8 ILC RF Units
Transport Line

• Statistical Error Simulations performed on
  OPTION 2 (45 mA)
• with the 8 ILC-units at ANL (JAZZ) with TRACK
• 4 cases (24 seeds, 200kp, 45 mA, 3D SC in acc.
  section)
• ? 0.5 0.5 deg (NO collimators)
• 1 1 deg (NO collimators)
• ? 1 1 deg (WITH collimators 2H 2V 6mm, 1H 1V
  5.5mm)
• 2 2 deg (NO collimators)
• Gaussian Truncated at /- 3 SIGMA

Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
10
RF JITTER STUDIES Long. Ph. Space at Stripping
Foil (TRACK)
1 1 deg
0.5 0.5 deg
2.0 2.0 deg
1 1 deg (collimated)
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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RF JITTER STUDIES Beam Spot at Stripping Foil
(TRACK)
0.5 0.5 deg
1 1 deg
2.0 2.0 deg
1 1 deg (collimated)
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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H- STRIPPING Analytics
H- Stripping Equations and Application to the
High Intensity Neutrino Source (Beams-doc-2740,
FNAL, April 2007)
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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H- STRIPPING Analytics
8 GeV
300K
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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H- STRIPPING HINS (2 MW) and SNS (1.5 MW)
H I N S
S N S
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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H- STRIPPING TRACK Simulations of Residual Gas
Losses
HINS
SNS
1E-7 T 300 K
1E-7 T 2 K
1E-7 T 300 K
1E-7 T 300 K
1E-7 T 2 K
1E-7 T 300 K
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07
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CONCLUSION
TRACK- ASTRA excellent agreement Jitter
1 deg 1 is acceptable 2 deg 2 is not
acceptable H- Stripping implemented into
TRACK beam losses are controllable
Jean-Paul Carneiro
ProjectX Workshop, FNAL, November 12th
07