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Title: First measurement of muon-neutrino disappearance in NOvA

Abstract

This paper reports the first measurement using the NOvA detectors of $$\nu_\mu$$ disappearance in a $$\nu_\mu$$ beam. The analysis uses a 14 kton-equivalent exposure of $$2.74 \times 10^{20}$$ protons-on-target from the Fermilab NuMI beam. Assuming the normal neutrino mass hierarchy, we measure $$\Delta m^{2}_{32}=(2.52^{+0.20}_{-0.18})\times 10^{-3}$$ eV$$^{2}$$ and $$\sin^2\theta_{23}$$ in the range 0.38-0.65, both at the 68% confidence level, with two statistically-degenerate best fit points at $$\sin^2\theta_{23} = $$ 0.43 and 0.60. Results for the inverted mass hierarchy are also presented.

Authors:
 [1]
  1. et al.
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
NOvA Collaboration
OSTI Identifier:
1244488
Alternate Identifier(s):
OSTI ID: 1244140
Report Number(s):
FERMILAB-PUB-16-007-ND; arXiv:1601.05037
Journal ID: ISSN 2470-0010; PRVDAQ; 1415953
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 93; Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Adamson, P. First measurement of muon-neutrino disappearance in NOvA. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.93.051104.
Adamson, P. First measurement of muon-neutrino disappearance in NOvA. United States. doi:10.1103/PhysRevD.93.051104.
Adamson, P. Tue . "First measurement of muon-neutrino disappearance in NOvA". United States. doi:10.1103/PhysRevD.93.051104. https://www.osti.gov/servlets/purl/1244488.
@article{osti_1244488,
title = {First measurement of muon-neutrino disappearance in NOvA},
author = {Adamson, P.},
abstractNote = {This paper reports the first measurement using the NOvA detectors of $\nu_\mu$ disappearance in a $\nu_\mu$ beam. The analysis uses a 14 kton-equivalent exposure of $2.74 \times 10^{20}$ protons-on-target from the Fermilab NuMI beam. Assuming the normal neutrino mass hierarchy, we measure $\Delta m^{2}_{32}=(2.52^{+0.20}_{-0.18})\times 10^{-3}$ eV$^{2}$ and $\sin^2\theta_{23}$ in the range 0.38-0.65, both at the 68% confidence level, with two statistically-degenerate best fit points at $\sin^2\theta_{23} = $ 0.43 and 0.60. Results for the inverted mass hierarchy are also presented.},
doi = {10.1103/PhysRevD.93.051104},
journal = {Physical Review D},
number = 5,
volume = 93,
place = {United States},
year = {2016},
month = {3}
}

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