Correlated, precision measurements of θ23 and δ using only the electron neutrino appearance experiments
Abstract
Precision measurement of the leptonic CP violating phase δ will suffer from the, then surviving, large uncertainty of sin2θ23 of 10–20% in the experimentally interesting region near maximal mixing of θ23. We advocate a new method for determination of both θ23 and δ at the same time using only the νe and ν̄e appearance channels and show that sin2θ23 can be determined automatically with much higher accuracy, approximately a factor of six, than sinδ. In this method, we identify a new degeneracy for the simultaneous determination of θ23 and δ, the θ23 intrinsic degeneracy, which must be resolved in order to achieve precision measurement of these two parameters. Spectral information around the vacuum oscillation maxima is shown to be the best way to resolve this degeneracy.
- Authors:
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1102804
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Additional Journal Information:
- Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Journal Volume: 87 Journal Issue: 11; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Minakata, Hisakazu, and Parke, Stephen J. Correlated, precision measurements of θ23 and δ using only the electron neutrino appearance experiments. United States: N. p., 2013.
Web. doi:10.1103/PhysRevD.87.113005.
Minakata, Hisakazu, & Parke, Stephen J. Correlated, precision measurements of θ23 and δ using only the electron neutrino appearance experiments. United States. https://doi.org/10.1103/PhysRevD.87.113005
Minakata, Hisakazu, and Parke, Stephen J. Tue .
"Correlated, precision measurements of θ23 and δ using only the electron neutrino appearance experiments". United States. https://doi.org/10.1103/PhysRevD.87.113005.
@article{osti_1102804,
title = {Correlated, precision measurements of θ23 and δ using only the electron neutrino appearance experiments},
author = {Minakata, Hisakazu and Parke, Stephen J.},
abstractNote = {Precision measurement of the leptonic CP violating phase δ will suffer from the, then surviving, large uncertainty of sin2θ23 of 10–20% in the experimentally interesting region near maximal mixing of θ23. We advocate a new method for determination of both θ23 and δ at the same time using only the νe and ν̄e appearance channels and show that sin2θ23 can be determined automatically with much higher accuracy, approximately a factor of six, than sinδ. In this method, we identify a new degeneracy for the simultaneous determination of θ23 and δ, the θ23 intrinsic degeneracy, which must be resolved in order to achieve precision measurement of these two parameters. Spectral information around the vacuum oscillation maxima is shown to be the best way to resolve this degeneracy.},
doi = {10.1103/PhysRevD.87.113005},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 11,
volume = 87,
place = {United States},
year = {Tue Jun 04 00:00:00 EDT 2013},
month = {Tue Jun 04 00:00:00 EDT 2013}
}
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https://doi.org/10.1103/PhysRevD.87.113005
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