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Title: Detecting CNO solar neutrinos in next-generation xenon dark matter experiments

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

We study the prospects for measuring the low-energy components of the solar neutrino flux in future direct dark matter detection experiments. We show that for a depletion of 136Xe by a factor of 1000 relative to its natural abundance, and an extension to electron recoil energies of ~MeV, future xenon experiments with exposure ~1000 ton-yr can detect the carbon-nitrogen-oxygen (CNO) component of the solar neutrino flux at approximately three-sigma significance. A CNO detection will provide important insight into the metallicity of the solar interior. Precise measurement of low-energy solar neutrinos, including as pp, 7Be, and pep components, will further improve constraints on the “neutrino luminosity” of the Sun, thereby providing constraints on alternative sources of energy production. Furthermore, we find that a measurement of Lν/L of order 1% is possible with the above exposure, improving on current bounds from a global analysis of solar neutrino data by a factor of about 7.

Research Organization:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0010813; de-sc0010813
OSTI ID:
1611534
Alternate ID(s):
OSTI ID: 1494868
Journal Information:
Physical Review D, Vol. 99, Issue 4; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 20 works
Citation information provided by
Web of Science

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Cited By (2)

Screening of fusion reactions from the principle of detailed balance and application to the pep reaction journal March 2019
Monochromatic dark neutrinos and boosted dark matter in noble liquid direct detection text January 2018