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Study of the K-L -> pi(0)nu(nu)over-bar Decay at the J-PARC KOTO Experiment

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dc.contributor.authorAhn, J. K.-
dc.contributor.authorBeckford, B.-
dc.contributor.authorCampbell, M.-
dc.contributor.authorChen, S. H.-
dc.contributor.authorComfort, J.-
dc.contributor.authorDona, K.-
dc.contributor.authorFarrington, M. S.-
dc.contributor.authorHanai, K.-
dc.contributor.authorHara, N.-
dc.contributor.authorHaraguchi, H.-
dc.contributor.authorHsiung, Y. B.-
dc.contributor.authorHutcheson, M.-
dc.contributor.authorInagaki, T.-
dc.contributor.authorIsoe, M.-
dc.contributor.authorKamiji, I-
dc.contributor.authorKato, T.-
dc.contributor.authorKim, E. J.-
dc.contributor.authorKim, J. L.-
dc.contributor.authorKim, H. M.-
dc.contributor.authorKomatsubara, T. K.-
dc.contributor.authorKotera, K.-
dc.contributor.authorLee, S. K.-
dc.contributor.authorLee, J. W.-
dc.contributor.authorLim, G. Y.-
dc.contributor.authorLin, Q. S.-
dc.contributor.authorLin, C.-
dc.contributor.authorLuo, Y.-
dc.contributor.authorMari, T.-
dc.contributor.authorMasuda, T.-
dc.contributor.authorMatsumura, T.-
dc.contributor.authorMcfarland, D.-
dc.contributor.authorMcNeal, N.-
dc.contributor.authorMiyazaki, K.-
dc.contributor.authorMurayama, R.-
dc.contributor.authorNakagiri, K.-
dc.contributor.authorNanjo, H.-
dc.contributor.authorNishimiya, H.-
dc.contributor.authorNoichi, Y.-
dc.contributor.authorNomura, T.-
dc.contributor.authorNunes, T.-
dc.contributor.authorOhsugi, M.-
dc.contributor.authorOkuno, H.-
dc.contributor.authorRedeker, J. C.-
dc.contributor.authorSanchez, J.-
dc.contributor.authorSasaki, M.-
dc.contributor.authorSasao, N.-
dc.contributor.authorSato, T.-
dc.contributor.authorSato, K.-
dc.contributor.authorSato, Y.-
dc.contributor.authorShimizu, N.-
dc.contributor.authorShimogawa, T.-
dc.contributor.authorShinkawa, T.-
dc.contributor.authorShinohara, S.-
dc.contributor.authorShiomi, K.-
dc.contributor.authorShiraishi, R.-
dc.contributor.authorSu, S.-
dc.contributor.authorSugiyama, Y.-
dc.contributor.authorSuzuki, S.-
dc.contributor.authorTajima, Y.-
dc.contributor.authorTaylor, M.-
dc.contributor.authorTecchio, M.-
dc.contributor.authorTogawa, M.-
dc.contributor.authorToyoda, T.-
dc.contributor.authorTung, Y-C-
dc.contributor.authorVuong, Q. H.-
dc.contributor.authorWah, Y. W.-
dc.contributor.authorWatanabe, H.-
dc.contributor.authorYamanaka, T.-
dc.contributor.authorYoshida, H. Y.-
dc.contributor.authorZaidenberg, L.-
dc.date.accessioned2021-11-22T19:40:49Z-
dc.date.available2021-11-22T19:40:49Z-
dc.date.created2021-08-30-
dc.date.issued2021-03-24-
dc.identifier.issn0031-9007-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/128390-
dc.description.abstractThe rare decay K-L -> pi(0)nu(nu) over bar was studied with the dataset taken at the J-PARC KOTO experiment in 2016, 2017, and 2018. With a single event sensitivity of (7.20 +/- 0.05(stat) +/- 0.66(syst)) x 10(-)(10), three candidate events were observed in the signal region. After unveiling them, contaminations from K-+/- and scattered K-L decays were studied, and the total number of background events was estimated to be 1.22 +/- 0.26. We conclude that the number of observed events is statistically consistent with the background expectation. For this dataset, we set an upper limit of 4.9 x 10(-9) on the branching fraction of K-L -> pi(0)nu(nu) over bar at the 90% confidence level.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherAMER PHYSICAL SOC-
dc.titleStudy of the K-L -> pi(0)nu(nu)over-bar Decay at the J-PARC KOTO Experiment-
dc.typeArticle-
dc.contributor.affiliatedAuthorAhn, J. K.-
dc.identifier.doi10.1103/PhysRevLett.126.121801-
dc.identifier.scopusid2-s2.0-85103521442-
dc.identifier.wosid000651646900003-
dc.identifier.bibliographicCitationPHYSICAL REVIEW LETTERS, v.126, no.12-
dc.relation.isPartOfPHYSICAL REVIEW LETTERS-
dc.citation.titlePHYSICAL REVIEW LETTERS-
dc.citation.volume126-
dc.citation.number12-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Multidisciplinary-
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