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Search for differences in oscillation parameters for atmospheric neutrinos and antineutrinos at Super-Kamiokande

Author
Abe, K.; Labarga Echeverría, Luis Alfonsountranslated; Magro, L. M.; Super-Kamiokande Collaboration
Entity
UAM. Departamento de Física Teórica
Publisher
American Physical Society
Date
2011-12-07
Citation
Physical Review Letter 107.24 (2011): 241801
ISSN
0031-9007 (print); 1079-7114 (online)
DOI
10.1103/PhysRevLett.107.241801
Funded by
We gratefully acknowledge the cooperation of the Kamioka Mining and Smelting Company. The Super- Kamiokande experiment has been built and operated from funding by the Japanese Ministry of Education, Culture, Sports, Science and Technology, the United States Department of Energy, and the U.S. National Science Foundation. Some of us have been supported by funds from the Korean Research Foundation (BK21), and the Korea Research Foundation Grants (MOEHRD, Basic Research Promotion Fund), (KRF-2008-521-c00072). Some of us have been supported by the State Committee for Scientific Research in Poland (Grant No. 1757/B/H03/ 2008/35). Some collaborators have been supported by the National Natural Science Foundation of China under Grants No. 10875062 and No. 10911140109
Editor's Version
http://dx.doi.org/10.1103/PhysRevLett.107.241801
Subjects
Física
URI
http://hdl.handle.net/10486/668738
Note
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAM
Rights
© 2011 American Physical Society

Abstract

We present a search for differences in the oscillations of antineutrinos and neutrinos in the Super-Kamiokande-I, -II, and -III atmospheric neutrino sample. Under a two-flavor disappearance model with separate mixing parameters between neutrinos and antineutrinos, we find no evidence for a difference in oscillation parameters. Best-fit antineutrino mixing is found to be at (Δm̄2,sin22θ̄)=(2.0×10−3  eV2,1.0) and is consistent with the overall Super-K measurement
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Google™ Scholar:Abe, K. - Labarga Echeverría, Luis Alfonso - Magro, L. M. - Super-Kamiokande Collaboration

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