Document Detail


High sensitivity search for nu;e's from the sun and other sources at KamLAND.
MedLine Citation:
PMID:  14995837     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Data corresponding to a KamLAND detector exposure of 0.28 kton yr has been used to search for nu;(e)'s in the energy range 8.3<E(nu;(e))<14.8 MeV. No candidates were found for an expected background of 1.1+/-0.4 events. This result can be used to obtain a limit on nu;(e) fluxes of any origin. Assuming that all nu;(e) flux has its origin in the Sun and has the characteristic 8B solar nu(e) energy spectrum, we obtain an upper limit of 3.7 x 10(2) cm(-2) s(-1) (90% C.L.) on the nu;(e) flux. We interpret this limit, corresponding to 2.8 x 10(-4) of the standard solar model 8B nu(e) flux, in the framework of spin-flavor precession and neutrino decay models.
Authors:
K Eguchi; S Enomoto; K Furuno; H Ikeda; K Ikeda; K Inoue; K Ishihara; T Iwamoto; T Kawashima; Y Kishimoto; M Koga; Y Koseki; T Maeda; T Mitsui; M Motoki; K Nakajima; H Ogawa; K Owada; F Piquemal; I Shimizu; J Shirai; F Suekane; A Suzuki; K Tada; O Tajima; T Takayama; K Tamae; H Watanabe; J Busenitz; Z Djurcic; K McKinny; D-M Mei; A Piepke; E Yakushev; B E Berger; Y D Chan; M P Decowski; D A Dwyer; S J Freedman; Y Fu; B K Fujikawa; J Goldman; K M Heeger; K T Lesko; K-B Luk; H Murayama; D R Nygren; C E Okada; A W P Poon; H M Steiner; L A Winslow; G A Horton-Smith; C Mauger; R D McKeown; B Tipton; P Vogel; C E Lane; T Miletic; P W Gorham; G Guillian; J G Learned; J Maricic; S Matsuno; S Pakvasa; S Dazeley; S Hatakeyama; R Svoboda; B D Dieterle; M DiMauro; J Detwiler; G Gratta; K Ishii; N Tolich; Y Uchida; M Batygov; W Bugg; Y Efremenko; Y Kamyshkov; A Kozlov; Y Nakamura; C R Gould; H J Karwowski; D M Markoff; J A Messimore; K Nakamura; R M Rohm; W Tornow; A R Young; M-J Chen; Y-F Wang;
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Publication Detail:
Type:  Journal Article     Date:  2004-02-20
Journal Detail:
Title:  Physical review letters     Volume:  92     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2004 Feb 
Date Detail:
Created Date:  2004-03-03     Completed Date:  2004-03-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  071301     Citation Subset:  -    
Affiliation:
Research Center for Neutrino Science, Tohoku University, Sendai 980-8578, Japan.
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