Radiation calculations for the ILC cryomodule | |
Nakao, N. ; Mokhov, N.V. ; Klebaner, A. ; /Fermilab | |
Fermi National Accelerator Laboratory | |
关键词: Protons; Photons; Energy Spectra; 43 Particle Accelerators; Radiations; | |
DOI : 10.2172/902540 RP-ID : FERMILAB-TM-2387-AD RP-ID : AC02-07CH11359 RP-ID : 902540 |
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美国|英语 | |
来源: UNT Digital Library | |
【 摘 要 】
The MARS15 radiation simulations were performed for the ILC cryomodule. The model assumes a uniform beam loss intensity of 1 W/m of 750-MeV and 250-GeV electron along the inner surface of the beam pipe and the cavity iris of the 12-m cryomodule. Two-dimensional distributions of radiation dose in the module were obtained. Absorbed dose rate and energy spectra of electrons, photons, neutrons and protons were also obtained at the three cryogenic thermometers locations by filling with silicon material in the appropriate locations, and radiation hardness of the thermometers was discussed. From the obtained results, maximum absorbed dose of thermometers at the cooling pipe is 0.85mGy/sec (85 mRad/sec), that is 0.31 MGy (31 MRad) for 20 years.
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