First neutrino oscillation measurements in NOvA
Abstract
In this study, the NOvA experiment uses the Fermilab NuMI neutrino beam and a newly constructed 14 kt detector to address several open questions in neutrino oscillations including the neutrino mass hierarchy, the precise value of the angle θ23, and the CP-violating phase δCP. The experiment has been running since 2014 and has recently released its first results from an equivalent exposure of 2.74 × 1020 protons-on-target equal to 8% of the eventual data set. Measurements of νμ → νμ oscillations find Δm232 = (2.52+0.2–0.18) × 10-3 eV2 and 0.38 < sin2θ23 < 0.65 for the normal neutrino mass hierarchy. The experiment has observed νμ → νe oscillations at 3.3 σ C.L. in this early data and disfavors the inverted neutrino mass hierarchy in the range 0.1π < δCP < 0.5π at the 90% C.L.
- Publication Date:
- Research Org.:
- Indiana Univ., Bloomington, IN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1250286
- Alternate Identifier(s):
- OSTI ID: 1285822
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Published Article
- Journal Name:
- Nuclear Physics. B
- Additional Journal Information:
- Journal Name: Nuclear Physics. B Journal Volume: 908 Journal Issue: C; Journal ID: ISSN 0550-3213
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; detector
Citation Formats
Messier, M. D. First neutrino oscillation measurements in NOvA. Netherlands: N. p., 2016.
Web. doi:10.1016/j.nuclphysb.2016.04.027.
Messier, M. D. First neutrino oscillation measurements in NOvA. Netherlands. https://doi.org/10.1016/j.nuclphysb.2016.04.027
Messier, M. D. Fri .
"First neutrino oscillation measurements in NOvA". Netherlands. https://doi.org/10.1016/j.nuclphysb.2016.04.027.
@article{osti_1250286,
title = {First neutrino oscillation measurements in NOvA},
author = {Messier, M. D.},
abstractNote = {In this study, the NOvA experiment uses the Fermilab NuMI neutrino beam and a newly constructed 14 kt detector to address several open questions in neutrino oscillations including the neutrino mass hierarchy, the precise value of the angle θ23, and the CP-violating phase δCP. The experiment has been running since 2014 and has recently released its first results from an equivalent exposure of 2.74 × 1020 protons-on-target equal to 8% of the eventual data set. Measurements of νμ → νμ oscillations find Δm232 = (2.52+0.2–0.18) × 10-3 eV2 and 0.38 < sin2θ23 < 0.65 for the normal neutrino mass hierarchy. The experiment has observed νμ → νe oscillations at 3.3 σ C.L. in this early data and disfavors the inverted neutrino mass hierarchy in the range 0.1π < δCP < 0.5π at the 90% C.L.},
doi = {10.1016/j.nuclphysb.2016.04.027},
journal = {Nuclear Physics. B},
number = C,
volume = 908,
place = {Netherlands},
year = {Fri Jul 01 00:00:00 EDT 2016},
month = {Fri Jul 01 00:00:00 EDT 2016}
}
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https://doi.org/10.1016/j.nuclphysb.2016.04.027
https://doi.org/10.1016/j.nuclphysb.2016.04.027
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