HINS Linac Simulations : Benchmarking, Jitter and Stripping. Jean-Paul Carneiro FNAL Accelerator Physics Center Accelerator Physics and Technology Workshop for Project X November 12 th, 2007

BENCHMARKING : HINS ACCELERATING SECTION TRACK (ANL, P. Ostroumov) / ASTRA (DESY, K. Floettmann) Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 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 ProjectX Workshop, FNAL, November 12 th 07 ~0.8 % RMS TRANSVERSE EMITTANCE BENCHMARKING : Zero Current

Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 BENCHMARKING : 45 mA (3D Space Charge) ~3 % ~9 % RMS TRANSVERSE EMITTANCE

RMS ENVELOPE BENCHMARKING : 45 mA (3D Space Charge) Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 RMS BUNCH LENGTH ~6% ~1%

BENCHMARKING : 45 mA (3D Space Charge) Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 RMS ENERGY SPREADRMS LONG. EMITTANCE ~8%~10%

RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07

Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 TRACK Parameters at the Stripping Foil (From PAC07 paper, 200kp) RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line cavities edges (35 mm)

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 RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07

2.0 % 2.0 deg 1% 1 deg (collimated) RF JITTER STUDIES : Long. Ph. Space at Stripping Foil (TRACK) 0.5 % 0.5 deg 1 % 1 deg Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07

RF JITTER STUDIES : Beam Spot at Stripping Foil (TRACK) 0.5 % 0.5 deg1 % 1 deg 2.0 % 2.0 deg1% 1 deg (collimated) Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07

H- STRIPPING : Analytics Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 H- Stripping Equations and Application to the High Intensity Neutrino Source (Beams-doc-2740, FNAL, April 2007) H- Stripping Equations and Application to the High Intensity Neutrino Source

Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 H- STRIPPING : Analytics 8 GeV300K

Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 H- STRIPPING : HINS (2 MW) and SNS (1.5 MW) HINSHINS SNSSNS

Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 H- STRIPPING : TRACK Simulations of Residual Gas Losses HINSSNS 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

CONCLUSION Jean-Paul Carneiro ProjectX Workshop, FNAL, November 12 th 07 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