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Title: Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos

Abstract

A first measurement of neutrinos from the CNO fusion cycle in the Sun would allow a resolution to the current solar metallicity problem. Detection of these low-energy neutrinos requires a low-threshold detector, while discrimination from radioactive backgrounds in the region of interest is significantly enhanced via directional sensitivity. This combination can be achieved in a water-based liquid scintillator target, which offers enhanced energy resolution beyond a standard water Cherenkov detector. We study the sensitivity of such a detector to CNO neutrinos under various detector and background scenarios, and draw conclusions about the requirements for such a detector to successfully measure the CNO neutrino flux. A detector designed to measure CNO neutrinos could also achieve a few-percent measurement of pep neutrinos.

Authors:
;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1439746
Alternate Identifier(s):
OSTI ID: 1461161
Grant/Contract Number:  
AC02-05CH11231; SC0010407
Resource Type:
Published Article
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Name: European Physical Journal. C, Particles and Fields Journal Volume: 78 Journal Issue: 6; Journal ID: ISSN 1434-6044
Publisher:
Springer Science + Business Media
Country of Publication:
Germany
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Bonventre, R., and Orebi Gann, G. D. Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos. Germany: N. p., 2018. Web. doi:10.1140/epjc/s10052-018-5925-7.
Bonventre, R., & Orebi Gann, G. D. Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos. Germany. doi:10.1140/epjc/s10052-018-5925-7.
Bonventre, R., and Orebi Gann, G. D. Thu . "Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos". Germany. doi:10.1140/epjc/s10052-018-5925-7.
@article{osti_1439746,
title = {Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos},
author = {Bonventre, R. and Orebi Gann, G. D.},
abstractNote = {A first measurement of neutrinos from the CNO fusion cycle in the Sun would allow a resolution to the current solar metallicity problem. Detection of these low-energy neutrinos requires a low-threshold detector, while discrimination from radioactive backgrounds in the region of interest is significantly enhanced via directional sensitivity. This combination can be achieved in a water-based liquid scintillator target, which offers enhanced energy resolution beyond a standard water Cherenkov detector. We study the sensitivity of such a detector to CNO neutrinos under various detector and background scenarios, and draw conclusions about the requirements for such a detector to successfully measure the CNO neutrino flux. A detector designed to measure CNO neutrinos could also achieve a few-percent measurement of pep neutrinos.},
doi = {10.1140/epjc/s10052-018-5925-7},
journal = {European Physical Journal. C, Particles and Fields},
number = 6,
volume = 78,
place = {Germany},
year = {2018},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1140/epjc/s10052-018-5925-7

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Cited by: 1 work
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