Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.181802
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Funding
- U.S. DOE
- U.K. STFC
- U.S. NSF
- State and University of Minnesota
- University of Athens, Greece
- Brazil's FAPESP
- CNPq
- CAPES
- STFC [ST/I002804/1, MINOS/MINOS+, ST/H001093/2, ST/I507034/1, ST/K00073X/1, ST/H001026/2, ST/I002626/1, PP/E000347/1, ST/H001026/1, ST/H000887/2, ST/H001093/1] Funding Source: UKRI
- Division Of Physics
- Direct For Mathematical & Physical Scien [0970111] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0855429, 855526] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/K00073X/1, MINOS/MINOS+, ST/I507034/1, ST/H001093/2, ST/H000887/2, ST/H001026/2, ST/H001026/1, ST/I002634/1 MINOS/MINOS+, ST/I002626/1, ST/H001093/1, PP/E000347/1, ST/I002804/1, ST/I002626/1 MINOS/MINOS+] Funding Source: researchfish
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We report the results of a search for nu(e) appearance in a nu(mu) beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2 x 10(20) protons on the NuMI target at Fermilab, we find that 2sin(2)(theta(23))sin(2)(2 theta(13)) < 0.12(0.20) at 90% confidence level for delta = 0 and the normal ( inverted) neutrino mass hierarchy, with a best-fit of 2sin(2)(theta(23))sin(2)(2 theta(13)) = 0.041(-0.031)(+0.047)(0.079(-0.053)(+0.071)). The theta(13) 0 hypothesis is disfavored by the MINOS data at the 89% confidence level.
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