Measurement of neutrino oscillation with KamLAND: Evidence of spectral distortion

dc.contributor.authorAraki, T
dc.contributor.authorEguchi, K
dc.contributor.authorEnomoto, S
dc.contributor.authorFuruno, K
dc.contributor.authorIchimura, K
dc.contributor.authorIkeda, H
dc.contributor.authorInoue, K
dc.contributor.authorIshihara, K
dc.contributor.authorIwamoto, T
dc.contributor.authorKawashima, T
dc.contributor.authorKishimoto, Y
dc.contributor.authorKoga, M
dc.contributor.authorKoseki, Y
dc.contributor.authorMaeda, T
dc.contributor.authorMitsui, T
dc.contributor.authorMotoki, M
dc.contributor.authorNakajima, K
dc.contributor.authorOgawa, H
dc.contributor.authorOwada, K
dc.contributor.authorRicol, JS
dc.contributor.authorShimizu, I
dc.contributor.authorShirai, J
dc.contributor.authorSuekane, F
dc.contributor.authorSuzuki, A
dc.contributor.authorTada, K
dc.contributor.authorTajima, O
dc.contributor.authorTamae, K
dc.contributor.authorTsuda, Y
dc.contributor.authorWatanabe, H
dc.contributor.authorBusenitz, J
dc.contributor.authorClassen, T
dc.contributor.authorDjurcic, Z
dc.contributor.authorKeefer, G
dc.contributor.authorMcKinny, K
dc.contributor.authorMei, DM
dc.contributor.authorPiepke, A
dc.contributor.authorYakushev, E
dc.contributor.authorBerger, BE
dc.contributor.authorChan, YD
dc.contributor.authorDecowski, MP
dc.contributor.authorDwyer, DA
dc.contributor.authorFreedman, SJ
dc.contributor.authorFu, Y
dc.contributor.authorFujikawa, BK
dc.contributor.authorGoldman, J
dc.contributor.authorGray, F
dc.contributor.authorHeeger, KM
dc.contributor.authorLesko, KT
dc.contributor.authorLuk, KB
dc.contributor.authorMurayama, H
dc.contributor.authorPoon, AWP
dc.contributor.authorSteiner, HM
dc.contributor.authorWinslow, LA
dc.contributor.authorHorton-Smith, GA
dc.contributor.authorMauger, C
dc.contributor.authorMcKeown, RD
dc.contributor.authorVogel, P
dc.contributor.authorLane, CE
dc.contributor.authorMiletic, T
dc.contributor.authorGorham, PW
dc.contributor.authorGuillian, G
dc.contributor.authorLearned, JG
dc.contributor.authorMaricic, J
dc.contributor.authorMatsuno, S
dc.contributor.authorPakvasa, S
dc.contributor.authorDazeley, S
dc.contributor.authorHatakeyama, S
dc.contributor.authorRojas, A
dc.contributor.authorSvoboda, R
dc.contributor.authorDieterle, BD
dc.contributor.authorDetwiler, J
dc.contributor.authorGratta, G
dc.contributor.authorIshii, K
dc.contributor.authorTolich, N
dc.contributor.authorUchida, Y
dc.contributor.authorBatygov, M
dc.contributor.authorBugg, W
dc.contributor.authorEfremenko, Y
dc.contributor.authorKamyshkov, Y
dc.contributor.authorKozlov, A
dc.contributor.authorNakamura, Y
dc.contributor.authorGould, CR
dc.contributor.authorKarwowski, HJ
dc.contributor.authorMarkoff, DM
dc.contributor.authorMessimore, JA
dc.contributor.authorNakamura, K
dc.contributor.authorRohm, RM
dc.contributor.authorTornow, W
dc.contributor.authorWendell, R
dc.contributor.authorYoung, AR
dc.contributor.authorChen, MJ
dc.contributor.authorWang, YF
dc.contributor.authorPiquemal, F
dc.contributor.otherTohoku University
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.contributor.otherUniversity of California System
dc.contributor.otherUniversity of California Berkeley
dc.contributor.otherUnited States Department of Energy (DOE)
dc.contributor.otherLawrence Berkeley National Laboratory
dc.contributor.otherCalifornia Institute of Technology
dc.contributor.otherDrexel University
dc.contributor.otherUniversity of Hawaii System
dc.contributor.otherUniversity of Hawaii Manoa
dc.contributor.otherLouisiana State University System
dc.contributor.otherLouisiana State University
dc.contributor.otherUniversity of New Mexico
dc.contributor.otherStanford University
dc.contributor.otherUniversity of Tennessee System
dc.contributor.otherUniversity of Tennessee Knoxville
dc.contributor.otherUniversity of North Carolina
dc.contributor.otherUniversity of North Carolina Chapel Hill
dc.contributor.otherDuke University
dc.contributor.otherNorth Carolina State University
dc.contributor.otherChinese Academy of Sciences
dc.contributor.otherInstitute of High Energy Physics, CAS
dc.contributor.otherUDICE-French Research Universities
dc.contributor.otherUniversite de Bordeaux
dc.contributor.otherCentre National de la Recherche Scientifique (CNRS)
dc.contributor.otherCNRS - National Institute of Nuclear and Particle Physics (IN2P3)
dc.date.accessioned2019-05-13T21:26:26Z
dc.date.available2019-05-13T21:26:26Z
dc.date.copyright2005
dc.date.issued2005-03-01
dc.description.abstractWe present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 (nu) over bar (e) candidate events with energies above 3.4 MeV compared to 365.2+/-23.7 events expected in the absence of neutrino oscillation. Accounting for 17.8+/-7.3 expected background events, the statistical significance for reactor (nu) over bar (e) disappearance is 99.998%. The observed energy spectrum disagrees with the expected spectral shape in the absence of neutrino oscillation at 99.6% significance and prefers the distortion expected from (nu) over bar (e) oscillation effects. A two-neutrino oscillation analysis of the KamLAND data gives Deltam(2)=7.9(-0.5)(+0.6)x10(-5) eV(2). A global analysis of data from KamLAND and solar-neutrino experiments yields Deltam(2)=7.9(-0.5)(+0.6)x10(-5) eV(2) and tan(2)theta=0.40(-0.07)(+0.10), the most precise determination to date.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationAraki, T. (2005): Measurement of Neutrino Oscillation with KamLAND: Evidence of Spectral Distortion. Physical Review Letters, 94(8). DOI: https://doi.org/10.1103/PhysRevLett.94.081801
dc.identifier.doi10.1103/PhysRevLett.94.081801
dc.identifier.issn0031-9007
dc.identifier.orcidhttps://orcid.org/0000-0002-3789-7152
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dc.identifier.orcidhttps://orcid.org/0000-0002-6679-3985
dc.identifier.orcidhttps://orcid.org/0000-0002-7001-717X
dc.identifier.orcidhttps://orcid.org/0000-0003-2684-6402
dc.identifier.orcidhttps://orcid.org/0000-0002-3789-7152
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dc.identifier.orcidhttps://orcid.org/0000-0003-4329-5796
dc.identifier.orcidhttps://orcid.org/0000-0001-9783-5781
dc.identifier.orcidhttps://orcid.org/0000-0003-0084-1312
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dc.identifier.orcidhttps://orcid.org/0000-0002-9050-4610
dc.identifier.orcidhttps://orcid.org/0000-0001-6386-041X
dc.identifier.orcidhttps://orcid.org/0000-0001-8875-3207
dc.identifier.orcidhttps://orcid.org/0000-0001-5769-9471
dc.identifier.orcidhttps://orcid.org/0000-0001-8331-6980
dc.identifier.orcidhttps://orcid.org/0000-0003-0587-5466
dc.identifier.orcidhttps://orcid.org/0000-0002-2363-5637
dc.identifier.orcidhttps://orcid.org/0000-0001-6935-1667
dc.identifier.orcidhttps://orcid.org/0000-0002-7395-8119
dc.identifier.orcidhttps://orcid.org/0000-0001-8431-8945
dc.identifier.orcidhttps://orcid.org/0000-0003-1411-7106
dc.identifier.orcidhttps://orcid.org/0000-0001-9009-7755
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5522
dc.languageEnglish
dc.language.isoen_US
dc.publisherAmerican Physical Society
dc.rights.holderAmerican Physical Society
dc.subjectANTINEUTRINO SPECTRA
dc.subjectDECAY
dc.subjectPhysics, Multidisciplinary
dc.subjectPhysics
dc.subject.lcshNeutrino interactions
dc.titleMeasurement of neutrino oscillation with KamLAND: Evidence of spectral distortionen_US
dc.typetext
dc.typeArticle
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