The active muon shield in the SHiP experiment

A. Akmete; Andrei V Alexandrov; A. Anokhina; Shuji Aoki; Erica Atkin; N. Azoeskiy; A. Bagulya; A. Baranov; G. Barker; A. Bay; V. Bayliss; G. Bencivenni; Stefania Xella; Oleg Ruchayskiy; D. Yilmaz; A.U. Yilmazer; C.S. Yoon; Yu. Zaytsev

doi:10.1088/1748-0221/12/05/P05011

The active muon shield in the SHiP experiment

A. Akmete, Andrei V Alexandrov, A. Anokhina, Shuji Aoki, Erica Atkin, N. Azoeskiy, A. Bagulya, A. Baranov, G. Barker, A. Bay, V. Bayliss, G. Bencivenni, Stefania Xella, Oleg Ruchayskiy, D. Yilmaz, A.U. Yilmazer, C.S. Yoon, Yu. Zaytsev

Experimental Particle Physics

25 Citations (Scopus)

49 Downloads (Pure)

Abstract

The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An essential task for the experiment is to keep the Standard Model background level to less than 0.1 event after 2× 10²⁰ protons on target. In the beam dump, around 10¹¹ muons will be produced per second. The muon rate in the spectrometer has to be reduced by at least four orders of magnitude to avoid muon-induced combinatorial background. A novel active muon shield is used to magnetically deflect the muons out of the acceptance of the spectrometer. This paper describes the basic principle of such a shield, its optimization and its performance.

Original language	English
Article number	P05011
Journal	Journal of Instrumentation
Volume	12
ISSN	1748-0221
DOIs	https://doi.org/10.1088/1748-0221/12/05/P05011
Publication status	Published - 17 May 2017

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Akmete, A., Alexandrov, A. V., Anokhina, A., Aoki, S., Atkin, E., Azoeskiy, N., Bagulya, A., Baranov, A., Barker, G., Bay, A., Bayliss, V., Bencivenni, G., Xella, S., Ruchayskiy, O., Yilmaz, D., Yilmazer, A. U., Yoon, C. S., & Zaytsev, Y. (2017). The active muon shield in the SHiP experiment. Journal of Instrumentation, 12, [P05011]. https://doi.org/10.1088/1748-0221/12/05/P05011

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abstract = "The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An essential task for the experiment is to keep the Standard Model background level to less than 0.1 event after 2× 1020 protons on target. In the beam dump, around 1011 muons will be produced per second. The muon rate in the spectrometer has to be reduced by at least four orders of magnitude to avoid muon-induced combinatorial background. A novel active muon shield is used to magnetically deflect the muons out of the acceptance of the spectrometer. This paper describes the basic principle of such a shield, its optimization and its performance.",

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T1 - The active muon shield in the SHiP experiment

AU - Akmete, A.

AU - Alexandrov, Andrei V

AU - Anokhina, A.

AU - Aoki, Shuji

AU - Atkin, Erica

AU - Azoeskiy, N.

AU - Bagulya, A.

AU - Baranov, A.

AU - Barker, G.

AU - Bay, A.

AU - Bayliss, V.

AU - Bencivenni, G.

AU - Xella, Stefania

AU - Ruchayskiy, Oleg

AU - Yilmaz, D.

AU - Yilmazer, A.U.

AU - Yoon, C.S.

AU - Zaytsev, Yu.

PY - 2017/5/17

Y1 - 2017/5/17

N2 - The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An essential task for the experiment is to keep the Standard Model background level to less than 0.1 event after 2× 1020 protons on target. In the beam dump, around 1011 muons will be produced per second. The muon rate in the spectrometer has to be reduced by at least four orders of magnitude to avoid muon-induced combinatorial background. A novel active muon shield is used to magnetically deflect the muons out of the acceptance of the spectrometer. This paper describes the basic principle of such a shield, its optimization and its performance.

AB - The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An essential task for the experiment is to keep the Standard Model background level to less than 0.1 event after 2× 1020 protons on target. In the beam dump, around 1011 muons will be produced per second. The muon rate in the spectrometer has to be reduced by at least four orders of magnitude to avoid muon-induced combinatorial background. A novel active muon shield is used to magnetically deflect the muons out of the acceptance of the spectrometer. This paper describes the basic principle of such a shield, its optimization and its performance.

U2 - 10.1088/1748-0221/12/05/P05011

DO - 10.1088/1748-0221/12/05/P05011

M3 - Journal article

SN - 1748-0221

VL - 12

JO - Journal of Instrumentation

JF - Journal of Instrumentation

M1 - P05011

ER -

The active muon shield in the SHiP experiment

Abstract

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