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A prototype for the SHiP timing detector


Betancourt, C; Korzenev, A; Mermod, P; Serra, N (2020). A prototype for the SHiP timing detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 979:164398.

Abstract

The proposed SHiP experiment located at the CERN SPS will search for feebly interacting particles with masses below 10 GeV/c. A veto timing detector will reject combinatorial di-muon backgrounds by requiring event to be coincident in time within 100 ps. The baseline option for the timing detector consist of scintillating bars read out by arrays of silicon photomultipliers. The detector comprises 546 bars of EJ200 scintillating material with dimensions 168 cm 6 cm 1 cm broken into three columns and covering an active area of 5 m 10 m. The end of each bar is read out by an array of eight silicon photomultipliers attached to custom PCBs and subsequently read out by a DAQ system based on a SAMPIC chip. We present test beam results on a single column 22 bar prototype for the SHiP timing detector. Measurements were taken at the T10 beam line of the CERN PS. A timing resolution across the detector is found to be about 90 ps. The particle identification capability using a time of flight method is also demonstrated.

Abstract

The proposed SHiP experiment located at the CERN SPS will search for feebly interacting particles with masses below 10 GeV/c. A veto timing detector will reject combinatorial di-muon backgrounds by requiring event to be coincident in time within 100 ps. The baseline option for the timing detector consist of scintillating bars read out by arrays of silicon photomultipliers. The detector comprises 546 bars of EJ200 scintillating material with dimensions 168 cm 6 cm 1 cm broken into three columns and covering an active area of 5 m 10 m. The end of each bar is read out by an array of eight silicon photomultipliers attached to custom PCBs and subsequently read out by a DAQ system based on a SAMPIC chip. We present test beam results on a single column 22 bar prototype for the SHiP timing detector. Measurements were taken at the T10 beam line of the CERN PS. A timing resolution across the detector is found to be about 90 ps. The particle identification capability using a time of flight method is also demonstrated.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Physical Sciences > Instrumentation
Uncontrolled Keywords:Nuclear and High Energy Physics, Instrumentation
Language:English
Date:1 November 2020
Deposited On:09 Nov 2020 17:39
Last Modified:10 Nov 2020 21:00
Publisher:Elsevier
ISSN:0168-9002
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1016/j.nima.2020.164398
Project Information:
  • : FunderSNSF
  • : Grant IDPZ00P2_179936
  • : Project TitleNovel detector technologies for precision measurements in particle physics experiments

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