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Title: A Novel Cosmic Ray Tagger System for Liquid Argon TPC Neutrino Detectors

The Fermilab Short Baseline Neutrino (SBN) program aims to observe and reconstruct thousands of neutrino-argon interactions with its three detectors (SBND, MicroBooNE and ICARUS-T600), using their hundred of tonnes Liquid Argon Time Projection Chambers to perform a rich physics analysis program, in particular focused in the search for sterile neutrinos. Given the relatively shallow depth of the detectors, the continuos flux of cosmic ray particles which crossing their volumes introduces a constant background which can be falsely identified as part of the event of interest. Here in this paper we present the Cosmic Ray Tagger (CRT) system, a novel technique to tag and identify these crossing particles using scintillation modules which measure their time and coordinates relative to events internal to the neutrino detector, mitigating therefore their effect in the event tracking reconstruction.
Authors:
 [1] ;  [2] ;  [1] ;  [3] ;  [1] ;  [3] ;  [2] ;  [4] ;  [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ; ORCiD logo [1]
  1. Univ. of Bern (Switzerland). Albert Einstein Center for Fundamental Physics, Lab. for High Energy Physics
  2. Univ. of Oxford (United Kingdom). Dept. of Physics
  3. Yale Univ., New Haven, CT (United States). Dept. of Physics
  4. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Report Number(s):
arXiv:1612.04614; FERMILAB-PUB-16-663-CD
Journal ID: ISSN 2410-390X; 1503397
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Instruments
Additional Journal Information:
Journal Volume: 1; Journal Issue: 1; Journal ID: ISSN 2410-390X
Publisher:
MDPI
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; neutrino detectors; particle identification methods; SiPM; background rejection
OSTI Identifier:
1350523