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Kelly KJ, Machado PAN, Martinez-Soler I, et al. Sub-GeV Atmospheric Neutrinos and CP Violation in DUNE. Phys Rev Lett. 2019;123(8):081801doi: 10.1103/PhysRevLett.123.081801.
Kelly, K. J., Machado, P. A. N., Martinez-Soler, I., Parke, S. J., & Perez-Gonzalez, Y. F. (2019). Sub-GeV Atmospheric Neutrinos and CP Violation in DUNE. Physical review letters, 123(8), 081801. https://doi.org/10.1103/PhysRevLett.123.081801
Kelly, Kevin J, et al. "Sub-GeV Atmospheric Neutrinos and CP Violation in DUNE." Physical review letters vol. 123,8 (2019): 081801. doi: https://doi.org/10.1103/PhysRevLett.123.081801
Kelly KJ, Machado PAN, Martinez-Soler I, Parke SJ, Perez-Gonzalez YF. Sub-GeV Atmospheric Neutrinos and CP Violation in DUNE. Phys Rev Lett. 2019 Aug 23;123(8):081801. doi: 10.1103/PhysRevLett.123.081801. PMID: 31491232.
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Phys Rev Lett. 2019 Aug 23;123(8):081801. doi: 10.1103/PhysRevLett.123.081801.

Sub-GeV Atmospheric Neutrinos and CP Violation in DUNE.

Physical review letters

Kevin J Kelly, Pedro A N Machado, Ivan Martinez-Soler, Stephen J Parke, Yuber F Perez-Gonzalez

Affiliations

  1. Theory Department, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  2. Theory Department, Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, Illinois 60510, USA.
  3. Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208, USA.
  4. Colegio de Física Fundamental e Interdisciplinaria de las Américas (COFI), 254 Norzagaray street, San Juan, Puerto Rico 00901, USA.

PMID: 31491232 DOI: 10.1103/PhysRevLett.123.081801

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 a range of values of δ_{CP} beyond the 3σ 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.

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