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Measurement of neutrino and antineutrino oscillations using beam and atmospheric data in MINOS.
- Source :
-
Physical review letters [Phys Rev Lett] 2013 Jun 21; Vol. 110 (25), pp. 251801. Date of Electronic Publication: 2013 Jun 17. - Publication Year :
- 2013
-
Abstract
- We report measurements of oscillation parameters from ν(μ) and ν(μ) disappearance using beam and atmospheric data from MINOS. The data comprise exposures of 10.71×10(20) protons on target in the ν(μ)-dominated beam, 3.36×10(20) protons on target in the ν(μ)-enhanced beam, and 37.88 kton yr of atmospheric neutrinos. Assuming identical ν and ν oscillation parameters, we measure |Δm2| = (2.41(-0.10)(+0.09))×10(-3) eV2 and sin2(2θ) = 0.950(-0.036)(+0.035). Allowing independent ν and ν oscillations, we measure antineutrino parameters of |Δm2| = (2.50(-0.25)(+0.23))×10(-3) eV2 and sin2(2θ) = 0.97(-0.08)(+0.03), with minimal change to the neutrino parameters.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 110
- Issue :
- 25
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 23829728
- Full Text :
- https://doi.org/10.1103/PhysRevLett.110.251801