Study on the selection of BLM detector for C-ADS Injector Ⅱ

REN Guang-Yi; ZENG Ming; HE Yuan; LI Yu-Xiong; LI Wei-Min

doi:10.1088/1674-1137/38/11/117004

Chinese Physics C> 2014, Vol. 38> Issue(11) : 117004 DOI: 10.1088/1674-1137/38/11/117004

Study on the selection of BLM detector for C-ADS Injector Ⅱ

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Abstract：
The injector of C-ADS (Chinese Accelerator Driven Sub-critical System) project is a high current, fully super-conducting proton accelerator. Meanwhile, a BLM system is indispensable for this facility, especially in low energy segments. This paper presents some basic simulations for 10 MeV proton by Monte Carlo program FLUKA, as well as the distributions on different secondary particles in three aspects: angular, energy spectrum, and current. These results are beneficial to selecting the detector type and its location and determining its dynamic range matching different requirements for both fast and slow beam loss. Furthermore, in this paper the major impact of the background is also analyzed, such as superconducting cavity X radiation and radiation caused by material activation. This work is meaningful in BLM system research.

References

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FU S, FANG S X, LI Z et al. Intense-Beam Issues in CSNS and CADS Accelerators. Proceedings of HB2012. JACoW, 2012. 25[2] Bakkarini F, Battistoni G, Brugger M et al. The Physics of the Fluka Code: Recent Developments. Adv. Space Res., 2007, 40(9): 1339[3] Zhukov A. Beam Loss Monitors (BLMs): Physics, Simulations and Applications in Accelerators. Proceedings of the 2010 Beam Instrumentation Workshop. Santa Fe, 2010. 553[4] Glenn F. Knoll. Radiation Detection and Measurement. 3rd Ed. John Wily Sons, 2000[5] Knobloch. Field Emission and Thermal Breakdown in Superconducting Niobium Cavities for Accelerators. IEEE Transactions on Applied Superconductivity, 1999. 1016[6] Igarashi Z, Ikegami M, Miyao T et al. Beam Loss Detected By Scintillation Monitor. Conf. Proc. C110904. 2011, 1257[7] Aleksandrov A. The SNS Beam Diagnostics Experience and Lessons Learned. BIW10, Santa Fe, NM, JACow: 2010. MOIMNB02, 30

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REN Guang-Yi, ZENG Ming, HE Yuan, LI Yu-Xiong and LI Wei-Min. Study on the selection of BLM detector for C-ADS Injector Ⅱ[J]. Chinese Physics C, 2014, 38(11): 117004. doi: 10.1088/1674-1137/38/11/117004

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Received: 2013-12-09
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the selection of BLM detector for C-ADS Injector Ⅱ

Corresponding author: REN Guang-Yi,

Corresponding author: ZENG Ming,

Received Date: 2013-12-09
Accepted Date: 1900-01-01
Available Online: 2014-11-05

Abstract: The injector of C-ADS (Chinese Accelerator Driven Sub-critical System) project is a high current, fully super-conducting proton accelerator. Meanwhile, a BLM system is indispensable for this facility, especially in low energy segments. This paper presents some basic simulations for 10 MeV proton by Monte Carlo program FLUKA, as well as the distributions on different secondary particles in three aspects: angular, energy spectrum, and current. These results are beneficial to selecting the detector type and its location and determining its dynamic range matching different requirements for both fast and slow beam loss. Furthermore, in this paper the major impact of the background is also analyzed, such as superconducting cavity X radiation and radiation caused by material activation. This work is meaningful in BLM system research.