André de Gouvêa
pp solar neutrinos at DARWIN
de Gouvêa, André; McGinness, Emma; Martinez-Soler, Ivan; Perez-Gonzalez, Yuber F.
Authors
Emma McGinness
Ivan Martinez-Soler
Yuber Perez Gonzalez yuber.f.perez-gonzalez@durham.ac.uk
Post Doctoral Research Associate
Abstract
The DARWIN collaboration recently argued that DARWIN (dark matter wimp search with liquid xenon) can collect, via neutrino-electron scattering, a large, useful sample of solar pp-neutrinos, and measure their survival probability with subpercent precision. We explore the physics potential of such a sample in more detail. We estimate that, with 300 ton-years of data, DARWIN can also measure, with the help of current solar neutrino data, the value of sin2θ13, with the potential to exclude sin2θ13 ¼ 0 close to the three-sigma level. We explore in some detail how well DARWIN can constrain the existence of a new neutrino masseigenstate ν4 that is quasimass-degenerate with ν1 and find that DARWIN’s sensitivity supersedes that of all current and near-future searches for new, very light neutrinos. In particular, DARWIN can test the hypothesis that ν1 is a pseudo-Dirac fermion as long as the induced mass-squared difference is larger than 10−13 eV2, one order of magnitude more sensitive than existing constraints. Throughout, we allowed for the hypotheses that DARWIN is filled with natural xenon or 136Xe-depleted xenon.
Citation
de Gouvêa, A., McGinness, E., Martinez-Soler, I., & Perez-Gonzalez, Y. F. (2022). pp solar neutrinos at DARWIN. Physical Review D, 106(9), https://doi.org/10.1103/physrevd.106.096017
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 26, 2022 |
Online Publication Date | Nov 17, 2022 |
Publication Date | 2022 |
Deposit Date | Mar 20, 2023 |
Publicly Available Date | Mar 23, 2023 |
Journal | Physical Review D |
Print ISSN | 2470-0010 |
Electronic ISSN | 2470-0029 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 106 |
Issue | 9 |
DOI | https://doi.org/10.1103/physrevd.106.096017 |
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Published by the American Physical Society under the terms of
the Creative Commons Attribution 4.0 International license.
Further distribution of this work must maintain attribution to
the author(s) and the published article’s title, journal citation,
and DOI. Funded by SCOAP3
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