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Title: Measuring the Weak Mixing Angle in the DUNE near-Detector Complex

Abstract

The planned DUNE experiment will have excellent sensitivity to the vector and axial couplings of the electron to the $$Z$$-boson via precision measurements of neutrino--electron scattering. We investigate the sensitivity of DUNE-PRISM, a movable near detector in the direction perpendicular to the beam line, and find that it will qualitatively impact our ability to constrain the weak couplings of the electron. We translate these neutrino--electron scattering measurements into a determination of the weak mixing angle at low scales and estimate that, with seven years of data taking, the DUNE near-detector can be used to measure $$\sin^2\theta_W$$ with better than 2% precision. We also discuss the impact of combining neutrino--electron scattering data with neutrino trident production at DUNE-PRISM.

Authors:
ORCiD logo; ; ORCiD logo;
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); São Paulo Research Foundation (FAPESP)
OSTI Identifier:
1644123
Alternate Identifier(s):
OSTI ID: 1592149
Report Number(s):
arXiv:1912.06658; FERMILAB-PUB-19-623-T; NUHEP-TH/19-17
Journal ID: ISSN 0031-9007; PRLTAO; 051803
Grant/Contract Number:  
SC0010143; AC02-07CH11359; 2018/ 21745-8
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 125 Journal Issue: 5; 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

de Gouvêa, André, Machado, Pedro A. N., Perez-Gonzalez, Yuber F., and Tabrizi, Zahra. Measuring the Weak Mixing Angle in the DUNE near-Detector Complex. United States: N. p., 2020. Web. doi:10.1103/PhysRevLett.125.051803.
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de Gouvêa, André, Machado, Pedro A. N., Perez-Gonzalez, Yuber F., & Tabrizi, Zahra. Measuring the Weak Mixing Angle in the DUNE near-Detector Complex. United States. https://doi.org/10.1103/PhysRevLett.125.051803
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de Gouvêa, André, Machado, Pedro A. N., Perez-Gonzalez, Yuber F., and Tabrizi, Zahra. Wed . "Measuring the Weak Mixing Angle in the DUNE near-Detector Complex". United States. https://doi.org/10.1103/PhysRevLett.125.051803.
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@article{osti_1644123,
title = {Measuring the Weak Mixing Angle in the DUNE near-Detector Complex},
author = {de Gouvêa, André and Machado, Pedro A. N. and Perez-Gonzalez, Yuber F. and Tabrizi, Zahra},
abstractNote = {The planned DUNE experiment will have excellent sensitivity to the vector and axial couplings of the electron to the $Z$-boson via precision measurements of neutrino--electron scattering. We investigate the sensitivity of DUNE-PRISM, a movable near detector in the direction perpendicular to the beam line, and find that it will qualitatively impact our ability to constrain the weak couplings of the electron. We translate these neutrino--electron scattering measurements into a determination of the weak mixing angle at low scales and estimate that, with seven years of data taking, the DUNE near-detector can be used to measure $\sin^2\theta_W$ with better than 2% precision. We also discuss the impact of combining neutrino--electron scattering data with neutrino trident production at DUNE-PRISM.},
doi = {10.1103/PhysRevLett.125.051803},
journal = {Physical Review Letters},
number = 5,
volume = 125,
place = {United States},
year = {Wed Jul 29 00:00:00 EDT 2020},
month = {Wed Jul 29 00:00:00 EDT 2020}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevLett.125.051803
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Citation Metrics:
Cited by: 15 works
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Figures / Tables:

TABLE I TABLE I: Couplings g1 and g2 [see Eq. (2)] as a function of the electron–Z-boson couplings gV and gA, for each neutrino flavor, along with the corresponding SM value. s$^{2}_{W}$ ≡ sin2 θW .
All figures and tables (5 total)
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    Figures / Tables found in this record:

    TABLE I (p. 2)table
    FIG. 1 (p. 3)figure
    FIG. 2 (p. 4)figure
    FIG. 3 (p. 4)figure
    FIG. 4 (p. 5)figure
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