COHERENT constraints on nonstandard neutrino interactions
Abstract
Coherent elastic neutrino–nucleus scattering consistent with the standard model has been observed by the COHERENT experiment. We study nonstandard neutrino interactions using the detected spectrum. For the case in which the nonstandard interactions (NSI) are induced by a vector mediator lighter than 50 MeV, we obtain constraints on the coupling of the mediator. For a heavier mediator, we find that degeneracies between the NSI parameters severely weaken the constraints. However, these degeneracies do not affect COHERENT constraints on the effective NSI parameters for matter propagation in the Earth.
- Publication Date:
- Research Org.:
- Univ. of Hawaii, Honolulu, HI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1402527
- Alternate Identifier(s):
- OSTI ID: 1545028
- Grant/Contract Number:
- SC0010504
- Resource Type:
- Published Article
- Journal Name:
- Physics Letters. B
- Additional Journal Information:
- Journal Name: Physics Letters. B Journal Volume: 775 Journal Issue: C; Journal ID: ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Liao, Jiajun, and Marfatia, Danny. COHERENT constraints on nonstandard neutrino interactions. Netherlands: N. p., 2017.
Web. doi:10.1016/j.physletb.2017.10.046.
Liao, Jiajun, & Marfatia, Danny. COHERENT constraints on nonstandard neutrino interactions. Netherlands. https://doi.org/10.1016/j.physletb.2017.10.046
Liao, Jiajun, and Marfatia, Danny. Fri .
"COHERENT constraints on nonstandard neutrino interactions". Netherlands. https://doi.org/10.1016/j.physletb.2017.10.046.
@article{osti_1402527,
title = {COHERENT constraints on nonstandard neutrino interactions},
author = {Liao, Jiajun and Marfatia, Danny},
abstractNote = {Coherent elastic neutrino–nucleus scattering consistent with the standard model has been observed by the COHERENT experiment. We study nonstandard neutrino interactions using the detected spectrum. For the case in which the nonstandard interactions (NSI) are induced by a vector mediator lighter than 50 MeV, we obtain constraints on the coupling of the mediator. For a heavier mediator, we find that degeneracies between the NSI parameters severely weaken the constraints. However, these degeneracies do not affect COHERENT constraints on the effective NSI parameters for matter propagation in the Earth.},
doi = {10.1016/j.physletb.2017.10.046},
journal = {Physics Letters. B},
number = C,
volume = 775,
place = {Netherlands},
year = {Fri Dec 01 00:00:00 EST 2017},
month = {Fri Dec 01 00:00:00 EST 2017}
}
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https://doi.org/10.1016/j.physletb.2017.10.046
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