Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session HA: Conference Experience for Undergraduates Poster Session (2:00pm - 3:45pm)
2:00 PM,
Friday, October 26, 2018
Hilton
Room: Grand Promenade
Abstract ID: BAPS.2018.HAW.HA.115
Abstract: HA.00115 : Characterization of SiPMs for COHERENT’s proposed 1-ton Liquid Argon Detector*
Presenter:
Benjamin Rand
(University of San Francisco, Indiana Univ - Bloomington)
Authors:
Benjamin Rand
(University of San Francisco, Indiana Univ - Bloomington)
Rex Tayloe
(Indiana Univ - Bloomington)
In 2017, the COHERENT collaboration announced the discovery of coherent elastic neutrino-nucleus scattering (CEvNS) at 6.7σ via a 14-kg CsI[Na] detector stationed at the Spallation Neutron Source (SNS) in Oak Ridge National Lab. In order to demonstrate the characteristic N2-dependence of the CEvNS cross-section with high precision, COHERENT plans to deploy additional detectors that utilize different nuclei. One proposal is a 1-ton liquid argon (LAr) detector which, will also be stationed at SNS, and would collect ~5000 CEvNS events/year. One crucial decision regarding the design of this detector is whether to measure the LAr scintillation using silicon photomultipliers (SiPMs) or photomultiplier tubes. Through researching various characteristics of our proposed SiPMs such as single-pixel resolution, gain, dark count rate, and how these values change at different temperatures, we herein provide our findings for the final design of the detector.
*National Science Foundation REU grant PHY- 1757646, as well as other NSF grants for the COHERENT collaboration.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.HA.115
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