Directional searches at DUNE for sub-GeV monoenergetic neutrinos arising from dark matter annihilation in the Sun
Abstract
Here, we consider the use of directionality in the search for monoenergetic sub-GeV neutrinos arising from the decay of stopped kaons, which can be produced by dark matter annihilation in the core of the Sun. When these neutrinos undergo charged-current interactions with a nucleus at a neutrino detector, they often eject a proton which is highly peaked in the forward direction. The direction of this track can be measured at DUNE, allowing one to distinguish signal from background by comparing on-source and off-source event rates. We discover that directional information can enhance the signal to background ratio by up to a factor of 5.
- Authors:
-
- Sungkyunkwan Univ., Suwon (Republic of Korea)
- Univ. of Hawaii, Honolulu, HI (United States)
- Univ. of Arizona, Tucson, AZ (United States)
- Publication Date:
- Research Org.:
- Univ. of Hawaii, Honolulu, HI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
- OSTI Identifier:
- 1598590
- Grant/Contract Number:
- SC0010504; FG02-13ER-41976; PHY-1250573
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Cosmology and Astroparticle Physics
- Additional Journal Information:
- Journal Volume: 2017; Journal Issue: 01; Journal ID: ISSN 1475-7516
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; dark matter experiments; neutrino detectors; dark matter theory; neutrino ex- periments
Citation Formats
Rott, Carsten, In, Seongjin, Kumar, Jason, and Yaylali, David. Directional searches at DUNE for sub-GeV monoenergetic neutrinos arising from dark matter annihilation in the Sun. United States: N. p., 2017.
Web. doi:10.1088/1475-7516/2017/01/016.
Rott, Carsten, In, Seongjin, Kumar, Jason, & Yaylali, David. Directional searches at DUNE for sub-GeV monoenergetic neutrinos arising from dark matter annihilation in the Sun. United States. https://doi.org/10.1088/1475-7516/2017/01/016
Rott, Carsten, In, Seongjin, Kumar, Jason, and Yaylali, David. Tue .
"Directional searches at DUNE for sub-GeV monoenergetic neutrinos arising from dark matter annihilation in the Sun". United States. https://doi.org/10.1088/1475-7516/2017/01/016. https://www.osti.gov/servlets/purl/1598590.
@article{osti_1598590,
title = {Directional searches at DUNE for sub-GeV monoenergetic neutrinos arising from dark matter annihilation in the Sun},
author = {Rott, Carsten and In, Seongjin and Kumar, Jason and Yaylali, David},
abstractNote = {Here, we consider the use of directionality in the search for monoenergetic sub-GeV neutrinos arising from the decay of stopped kaons, which can be produced by dark matter annihilation in the core of the Sun. When these neutrinos undergo charged-current interactions with a nucleus at a neutrino detector, they often eject a proton which is highly peaked in the forward direction. The direction of this track can be measured at DUNE, allowing one to distinguish signal from background by comparing on-source and off-source event rates. We discover that directional information can enhance the signal to background ratio by up to a factor of 5.},
doi = {10.1088/1475-7516/2017/01/016},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 01,
volume = 2017,
place = {United States},
year = {Tue Jan 10 00:00:00 EST 2017},
month = {Tue Jan 10 00:00:00 EST 2017}
}
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Works referencing / citing this record:
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