Beamloss study at J-PARC linac by using geant4 simulation

Maruta, Tomofumi

Suppression of a beam loss is the key issue to operate an accelerator stably for a long term, because the beam loss makes accelerator components radioactivated and a high radioactivation becomes an obstacle for maintenance works by hand. One of the major origins of the beam loss at the J-PARC linac is the scattering process of beam particles (H $^{-}$ for J-PARC Linac) with residual gas inside the beam duct. For the study on the beam loss coming from the H $^{-}$ scattering process, I developed a library that can handle H $^{-}$ and H $^{0}$ by Geant4 toolkit. I will introduce some parameters, especially for cross sections of H $^{-}$ and H $^{0}$ , in the library and show some simulation results with the library.

Language	:	English
Journal	:	Proceedings of 2nd International Particle Accelerator Conference (IPAC 2011) (Internet)
Volume	:
Number	:
Pages	:	p.2595 - 2597
Publication Year/Month	:	2011/09
Meeting title	:	2nd International Particle Accelerator Conference (IPAC 2011)
Held date	:	2011/09
Location (city)	:	San Sebastin
Location (country)	:	Spain
Patent information	:
PDF	:
Paper URL	:	http://accelconf.web.cern.ch/accelconf/IPAC2011/papers/weps047.pdf
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	J-PARC加速器
Press Release	:
Article of JAEA R&D Review	:
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Registration No. : BB20111195
JAEA Abstracts No. :
Paper Submission No. : 12754

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