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Measurement of Neutrino and Antineutrino Oscillations Using Beam and Atmospheric Data in MINOS
Anghel, I. Goodman, M. C. McGowan, A. M. Devan, A. V. Kordosky, M. Mathis, M. Nelson, J. K. Vahle, P.
Anghel, I.
Goodman, M. C.
McGowan, A. M.
Devan, A. V.
Kordosky, M.
Mathis, M.
Nelson, J. K.
Vahle, P.
Abstract
We report measurements of oscillation parameters from v(mu) and (v) over bar (mu) disappearance using beam and atmospheric data from MINOS. The data comprise exposures of 10.71 X 10(20) protons on target in the v(mu)-dominated beam, 3.36 X 10(20) protons on target in the (v) over bar (mu)-enhanced beam, and 37.88 kton yr of atmospheric neutrinos. Assuming identical v and (v) over bar oscillation parameters, we measure vertical bar Delta m(2)vertical bar = (2.41(-0.10)(+0.09)) X 10(-3) eV(2) and sin(2)(2 theta) = 0.950(-0.036)(+0.035). Allowing independent v and (v) over bar oscillations, we measure antineutrino parameters of vertical bar(m) over bar (2)vertical bar = (2.50(-0.250)(+0.23)) X 10(-3) eV(2) and sin(2)(2 (theta) over bar) = 0.97(-0.08)(+0.03), with minimal change to the neutrino parameters.
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2013-01-01
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Physics
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https://doi.org/10.1103/PhysRevLett.110.251801