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Title: Sub-GeV Atmospheric Neutrinos and $CP$ Violation in DUNE

Abstract

We propose to use the unique event topology and reconstruction capabilities of liquid argon time projection chambers to study sub-GeV atmospheric neutrinos. The detection of low energy recoiled protons in DUNE allows for a determination of the leptonic $CP$-violating phase independent from the accelerator neutrino measurement. Our findings indicate that this analysis can exclude several values of $$\delta_{CP}$$ beyond the $$3\sigma$$ level. Moreover, the determination of the sub-GeV atmospheric neutrino flux will have important consequences in the detection of diffuse supernova neutrinos and in dark matter experiments.

Authors:
 [1];  [1];  [2];  [1];  [2]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Theory Dept.
  2. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Theory Dept.; Northwestern Univ., Evanston, IL (United States). Dept. of Physics & Astronomy; Colegio de Física Fundamental e Interdisciplinaria de las Américas (COFI), San Juan, Puerto Rico (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1558724
Alternate Identifier(s):
OSTI ID: 1545106
Report Number(s):
arXiv:1904.02751; FERMILAB-PUB-19-136-T; NUHEP-TH/19-03
Journal ID: ISSN 0031-9007; PRLTAO; 1728508
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 123; Journal Issue: 8; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Kelly, Kevin J., Machado, Pedro A. N., Martinez-Soler, Ivan, Parke, Stephen J., and Perez-Gonzalez, Yuber F. Sub-GeV Atmospheric Neutrinos and $CP$ Violation in DUNE. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.081801.
Kelly, Kevin J., Machado, Pedro A. N., Martinez-Soler, Ivan, Parke, Stephen J., & Perez-Gonzalez, Yuber F. Sub-GeV Atmospheric Neutrinos and $CP$ Violation in DUNE. United States. doi:10.1103/PhysRevLett.123.081801.
Kelly, Kevin J., Machado, Pedro A. N., Martinez-Soler, Ivan, Parke, Stephen J., and Perez-Gonzalez, Yuber F. Fri . "Sub-GeV Atmospheric Neutrinos and $CP$ Violation in DUNE". United States. doi:10.1103/PhysRevLett.123.081801.
@article{osti_1558724,
title = {Sub-GeV Atmospheric Neutrinos and $CP$ Violation in DUNE},
author = {Kelly, Kevin J. and Machado, Pedro A. N. and Martinez-Soler, Ivan and Parke, Stephen J. and Perez-Gonzalez, Yuber F.},
abstractNote = {We propose to use the unique event topology and reconstruction capabilities of liquid argon time projection chambers to study sub-GeV atmospheric neutrinos. The detection of low energy recoiled protons in DUNE allows for a determination of the leptonic $CP$-violating phase independent from the accelerator neutrino measurement. Our findings indicate that this analysis can exclude several values of $\delta_{CP}$ beyond the $3\sigma$ level. Moreover, the determination of the sub-GeV atmospheric neutrino flux will have important consequences in the detection of diffuse supernova neutrinos and in dark matter experiments.},
doi = {10.1103/PhysRevLett.123.081801},
journal = {Physical Review Letters},
number = 8,
volume = 123,
place = {United States},
year = {2019},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevLett.123.081801

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