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Title: Impact of improved energy resolution on DUNE sensitivity to neutrino non-standard interactions

Abstract

The full physics potential of the next-generation Deep Underground Neutrino Experiment (DUNE) is still being explored. In particular, there have been some recent studies on the possibility of improving DUNE’s neutrino energy reconstruction. The main motivation is that a better determination of the neutrino energy in an event-by-event basis will translate into an improved measurement of the Dirac C P phase and other neutrino oscillation parameters. To further motivate studies and improvements on the neutrino energy reconstruction, we evaluate the impact of energy resolution at DUNE on an illustrative new physics scenario, viz. non-standard interactions (NSI) of neutrinos with matter. We show that a better energy resolution in comparison to the ones given in the DUNE conceptual and technical design reports may significantly enhance the experimental sensitivity to NSI, particularly when degeneracies are present. While a better reconstruction of the first oscillation peak helps disentangling standard C P effects from those coming from NSIs, we find that the second oscillation peak also plays a nontrivial role in improving DUNE’s sensitivity.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]
  1. Durham Univ. (United Kingdom). Institute for Particle Physics Phenomenology
  2. Washington Univ., St. Louis, MO (United States)
  3. Fermi National Accelerator Lab. (FNAL), Batavia, IL (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)
OSTI Identifier:
1828325
Report Number(s):
FERMILAB-PUB-21-260-T; IPPP-/20/107; arXiv:2106.04597
Journal ID: ISSN 1029-8479; oai:inspirehep.net:1867841; TRN: US2216281
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 8; Journal ID: ISSN 1029-8479
Publisher:
Springer Nature
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Chatterjee, Sabya Sachi, Dev, P.S. Bhupal, and Machado, Pedro A.N. Impact of improved energy resolution on DUNE sensitivity to neutrino non-standard interactions. United States: N. p., 2021. Web. doi:10.1007/jhep08(2021)163.
Chatterjee, Sabya Sachi, Dev, P.S. Bhupal, & Machado, Pedro A.N. Impact of improved energy resolution on DUNE sensitivity to neutrino non-standard interactions. United States. https://doi.org/10.1007/jhep08(2021)163
Chatterjee, Sabya Sachi, Dev, P.S. Bhupal, and Machado, Pedro A.N. Mon . "Impact of improved energy resolution on DUNE sensitivity to neutrino non-standard interactions". United States. https://doi.org/10.1007/jhep08(2021)163. https://www.osti.gov/servlets/purl/1828325.
@article{osti_1828325,
title = {Impact of improved energy resolution on DUNE sensitivity to neutrino non-standard interactions},
author = {Chatterjee, Sabya Sachi and Dev, P.S. Bhupal and Machado, Pedro A.N.},
abstractNote = {The full physics potential of the next-generation Deep Underground Neutrino Experiment (DUNE) is still being explored. In particular, there have been some recent studies on the possibility of improving DUNE’s neutrino energy reconstruction. The main motivation is that a better determination of the neutrino energy in an event-by-event basis will translate into an improved measurement of the Dirac C P phase and other neutrino oscillation parameters. To further motivate studies and improvements on the neutrino energy reconstruction, we evaluate the impact of energy resolution at DUNE on an illustrative new physics scenario, viz. non-standard interactions (NSI) of neutrinos with matter. We show that a better energy resolution in comparison to the ones given in the DUNE conceptual and technical design reports may significantly enhance the experimental sensitivity to NSI, particularly when degeneracies are present. While a better reconstruction of the first oscillation peak helps disentangling standard C P effects from those coming from NSIs, we find that the second oscillation peak also plays a nontrivial role in improving DUNE’s sensitivity.},
doi = {10.1007/jhep08(2021)163},
journal = {Journal of High Energy Physics (Online)},
number = 8,
volume = 2021,
place = {United States},
year = {Mon Aug 30 00:00:00 EDT 2021},
month = {Mon Aug 30 00:00:00 EDT 2021}
}

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