Determining the oscillation parameters by solar neutrinos and KamLAND

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dc.contributor.authorNunokawa, H.
dc.contributor.authorTeves, WJC
dc.contributor.authorFunchal, R. Z.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T14:06:37Z
dc.date.available2014-05-20T14:06:37Z
dc.date.issued2003-06-05
dc.description.abstractThe neutrino oscillation experiment KamLAND has provided us with the first evidence for e disappearance, coming from nuclear reactors. We have combined their data with all solar neutrino data, assuming two flavor neutrino mixing, and obtained allowed parameter regions which are compatible with the so-called large mixing angle MSW solution to the solar neutrino problem. The allowed regions in the plane of mixing angle and mass squared difference are now split into two islands at 99% C.L. We have speculated how these two islands can be distinguished in the near future. We have shown that a 50% reduction of the error on SNO neutral-current measurement can be important in establishing in each of these islands the true values of these parameters lie, We also have simulated KamLAND positron energy spectrum after I year of data taking, assuming the current best fitted values of the oscillation parameters, combined it the with current solar neutrino data and showed how these two split islands can be modified. (C) 2003 Published by Elsevier B.V. B.V.en
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.description.affiliationUniv São Paulo, Inst Fis, BR-05315970 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.format.extent28-35
dc.identifierhttp://dx.doi.org/10.1016/S0370-2693(03)00550-1
dc.identifier.citationPhysics Letters B. Amsterdam: Elsevier B.V., v. 562, n. 1-2, p. 28-35, 2003.
dc.identifier.doi10.1016/S0370-2693(03)00550-1
dc.identifier.issn0370-2693
dc.identifier.urihttp://hdl.handle.net/11449/23388
dc.identifier.wosWOS:000183260500004
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhysics Letters B
dc.relation.ispartofjcr4.254
dc.relation.ispartofsjr2,336
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleDetermining the oscillation parameters by solar neutrinos and KamLANDen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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