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Volume 341 - The 20th International Workshop on Neutrinos (NuFACT2018) - Poster Sessions
Studies of the Aging Properties of the Mu2e Cosmic Ray Veto System
C. Group, P. Farris, Y. Oksuzian*
*corresponding author
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Pre-published on: 2019 August 23
Published on: 2019 December 12
The Muon-to-Electron Conversion experiment (Mu2e) will operate at a single event sensitivity of 3x10^{−17} with a total background of less than 1 event over the three-year lifetime of the experi- ment. To achieve this level of background, the Cosmic Ray Veto detector (CRV) will surround the Mu2e apparatus to veto penetrating particles that cause background. The CRV is required to have a detection efficiency of 99.99% throughout the lifetime of the Mu2e experiment. The CRV is comprised of extruded polystyrene scintillating strips and fiber which degrade over time, decreas- ing the efficiency of the CRV. Using a standard accelerated aging technique, several scintillator and fiber samples were heated to increase their rate of degradation. The results of these studies and the impact of aging on the CRV are presented.
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