The SHiP collaboration (Including: Back, J. J. and Barker, G. J.). (2017) The active muon shield in the SHiP experiment. Journal of Instrumentation, 12 . P05011. doi:10.1088/1748-0221/12/05/P05011 ISSN 1748-0221.

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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.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Journal of Instrumentation
Publisher:	IOP Publishing Ltd
ISSN:	1748-0221
Official Date:	May 2017
Dates:	Date Event May 2017 Published 25 April 2017 Accepted
Volume:	12
Article Number:	P05011
DOI:	10.1088/1748-0221/12/05/P05011
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	19 March 2020
Date of first compliant Open Access:	19 March 2020

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