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Title: Atmospheric neutrinos in next-generation xenon and argon dark matter experiments

Journal Article · · Physical Review. D.
ORCiD logo [1]; ORCiD logo [2];  [3]
  1. Arizona State Univ., Tempe, AZ (United States); Purdue Univ., West Lafayette, IN (United States); Univ. of Melbourne, VIC (Australia); OSTI
  2. Purdue Univ., West Lafayette, IN (United States)
  3. Texas A & M Univ., College Station, TX (United States)

In this work, we study the sensitivity of future xenon- and argon-based dark matter and neutrino detection experiments to low-energy atmospheric neutrinos. Not accounting for experimental backgrounds, the primary obstacle for identifying nuclear recoils induced by atmospheric neutrinos in xenon is the tail of the electron recoil distribution due to pp solar neutrinos. We use the NEST code to model the solar and atmospheric neutrino signals in a xenon detector and find that an exposure of 700 tonne-years will produce a 5σ detection of atmospheric neutrinos. We explore the effect of different detector properties and find that a sufficiently long electron lifetime is essential to the success of such a measurement.

Research Organization:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC)
Grant/Contract Number:
SC0010813
OSTI ID:
1979965
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 11 Vol. 104; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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