Study of the muon decay-in-flight in the τ- → μ-(ν)over-barμνt decay to measure the Michel parameter ξ'

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dc.contributor.authorBodrov, D.en
dc.contributor.authorPakhlov, P.en
dc.contributor.authorAdachi, I.en
dc.contributor.authorAihara, H.en
dc.contributor.authorAl Said, S.en
dc.contributor.authorAsner, D. M.en
dc.contributor.authorAtmacan, H.en
dc.contributor.authorAushev, T.en
dc.contributor.authorAyad, R.en
dc.contributor.authorBabu, V.en
dc.contributor.authorBanerjee, S. W.en
dc.contributor.authorBehera, P.en
dc.contributor.authorBelous, K.en
dc.contributor.authorBennett, J.en
dc.contributor.authorBessner, M.en
dc.contributor.authorBhuyan, B.en
dc.contributor.authorBilka, T.en
dc.contributor.authorBiswas, D.en
dc.contributor.authorBobrov, A.en
dc.contributor.authorBondar, A.en
dc.contributor.authorBorah, J.en
dc.contributor.authorBozek, A.en
dc.contributor.authorBracko, M.en
dc.contributor.authorBranchini, P.en
dc.contributor.authorBrowder, T. E.en
dc.contributor.authorBudano, A.en
dc.contributor.authorCampajola, M.en
dc.contributor.authorCervenkov, D.en
dc.contributor.authorChang, M. -C.en
dc.contributor.authorCheon, B. G.en
dc.contributor.authorChilikin, K.en
dc.contributor.authorCho, K.en
dc.contributor.authorCho, S. -J.en
dc.contributor.authorChoi, S. -K.en
dc.contributor.authorChoi, Y.en
dc.contributor.authorChoudhury, S.en
dc.contributor.authorCinabro, D.en
dc.contributor.authorDas, S.en
dc.contributor.authorDe Nardo, G.en
dc.contributor.authorDe Pietro, G.en
dc.contributor.authorDhamija, R.en
dc.contributor.authorDi Capua, F.en
dc.contributor.authorDingfelder, J.en
dc.contributor.authorDole, Z.en
dc.contributor.authorDong, T. V.en
dc.contributor.authorEpifanov, D.en
dc.contributor.authorFerber, T.en
dc.contributor.authorFerlewicz, D.en
dc.contributor.authorFulsom, B. G.en
dc.contributor.authorGaur, V.en
dc.contributor.authorGarmash, A.en
dc.contributor.authorGiri, A.en
dc.contributor.authorGoldenzweig, P.en
dc.contributor.authorGraziani, E.en
dc.contributor.authorGreenwald, D.en
dc.contributor.authorGu, T.en
dc.contributor.authorGuan, Y.en
dc.contributor.authorGudkova, K.en
dc.contributor.authorHadjivasiliou, C.en
dc.contributor.authorHalder, S.en
dc.contributor.authorHayasaka, K.en
dc.contributor.authorHayashii, H.en
dc.contributor.authorHedges, M. T.en
dc.contributor.authorHerrmann, D.en
dc.contributor.authorHou, W. -S.en
dc.contributor.authorHsu, C. -L.en
dc.contributor.authorIijima, T.en
dc.contributor.authorInami, K.en
dc.contributor.authorIpsita, N.en
dc.contributor.authorIshikawa, A.en
dc.contributor.authorItoh, R.en
dc.contributor.authorIwasaki, M.en
dc.contributor.authorJacobs, W. W.en
dc.contributor.authorJang, E. -J.en
dc.contributor.authorJi, Q. P.en
dc.contributor.authorJia, S.en
dc.contributor.authorJin, Y.en
dc.contributor.authorJoo, K. K.en
dc.contributor.authorKalita, D.en
dc.contributor.authorKaliyar, A. B.en
dc.contributor.authorKang, K. H.en
dc.contributor.authorKawasaki, T.en
dc.contributor.authorKiesling, C.en
dc.contributor.authorKim, C. H.en
dc.contributor.authorKim, D. Y.en
dc.contributor.authorKim, K. -H.en
dc.contributor.authorKim, Y. -K.en
dc.contributor.authorKindo, H.en
dc.contributor.authorKinoshita, K.en
dc.contributor.authorKody, P.en
dc.contributor.authorKorobov, A.en
dc.contributor.authorKorpar, S.en
dc.contributor.authorKrizan, P.en
dc.contributor.authorKrokovny, P.en
dc.contributor.authorKuhr, T.en
dc.contributor.authorKumar, M.en
dc.contributor.authorKumar, R.en
dc.contributor.authorKumara, K.en
dc.contributor.authorKwon, Y. -J.en
dc.contributor.authorLange, J. S.en
dc.contributor.authorLee, S. C.en
dc.contributor.authorLi, J.en
dc.contributor.authorLi, L. K.en
dc.contributor.authorLi, Y.en
dc.contributor.authorLibby, J.en
dc.contributor.authorLieret, K.en
dc.contributor.authorLin, Y. -R.en
dc.contributor.authorLiventsev, D.en
dc.contributor.authorMa, Y.en
dc.contributor.authorMasuda, M.en
dc.contributor.authorMatsuda, T.en
dc.contributor.authorMaurya, S. K.en
dc.contributor.authorMeier, F.en
dc.contributor.authorMerola, M.en
dc.contributor.authorMetzner, F.en
dc.contributor.authorMiyabayashi, K.en
dc.contributor.authorMizuk, R.en
dc.contributor.authorMohanty, G. B.en
dc.contributor.authorMussa, R.en
dc.contributor.authorNakamura, I.en
dc.contributor.authorNakao, M.en
dc.contributor.authorNarwal, D.en
dc.contributor.authorNatkaniec, Z.en
dc.contributor.authorNatochii, A.en
dc.contributor.authorNayak, L.en
dc.contributor.authorNayak, M.en
dc.contributor.authorNisar, N. K.en
dc.contributor.authorNishida, S.en
dc.contributor.authorOgawa, S.en
dc.contributor.authorOno, H.en
dc.contributor.authorOskin, P.en
dc.contributor.authorPakhlova, G.en
dc.contributor.authorPardi, S.en
dc.contributor.authorPark, H.en
dc.contributor.authorPark, J.en
dc.contributor.authorPark, S. -H.en
dc.contributor.authorPatra, S.en
dc.contributor.authorPaul, S.en
dc.contributor.authorPedlar, T. K.en
dc.contributor.authorPestotnik, R.en
dc.contributor.authorPiilonen, Leo E.en
dc.contributor.authorPodobnik, T.en
dc.contributor.authorPrencipe, E.en
dc.contributor.authorPrim, M. T.en
dc.contributor.authorRabusov, A.en
dc.contributor.authorRusso, G.en
dc.contributor.authorSandilya, S.en
dc.contributor.authorSangal, A.en
dc.contributor.authorSantelj, L.en
dc.contributor.authorSavinov, V.en
dc.contributor.authorSchnell, G.en
dc.contributor.authorSchwanda, C.en
dc.contributor.authorSeino, Y.en
dc.contributor.authorSenyo, K.en
dc.contributor.authorShan, W.en
dc.contributor.authorShapkin, M.en
dc.contributor.authorSharma, C.en
dc.contributor.authorShiu, J. -G.en
dc.contributor.authorSingh, J. B.en
dc.contributor.authorSokolov, A.en
dc.contributor.authorSolovieva, E.en
dc.contributor.authorStari, M.en
dc.contributor.authorStottler, Z. S.en
dc.contributor.authorSumihama, M.en
dc.contributor.authorTakizawa, M.en
dc.contributor.authorTamponi, U.en
dc.contributor.authorTanida, K.en
dc.contributor.authorTenchini, F.en
dc.contributor.authorTiwary, R.en
dc.contributor.authorTrabelsi, K.en
dc.contributor.authorUchida, M.en
dc.contributor.authorUglov, T.en
dc.contributor.authorUnno, Y.en
dc.contributor.authorUno, K.en
dc.contributor.authorUno, S.en
dc.contributor.authorVahsen, S. E.en
dc.contributor.authorVarner, G.en
dc.contributor.authorVinokurova, A.en
dc.contributor.authorVossen, A.en
dc.contributor.authorWang, D.en
dc.contributor.authorWang, E.en
dc.contributor.authorWang, M. -Z.en
dc.contributor.authorWatanuki, S.en
dc.contributor.authorXu, X.en
dc.contributor.authorYabsley, B. D.en
dc.contributor.authorYan, W.en
dc.contributor.authorYang, S. B.en
dc.contributor.authorYelton, J.en
dc.contributor.authorYin, J. H.en
dc.contributor.authorYuan, C. Z.en
dc.contributor.authorYusa, Y.en
dc.contributor.authorZhang, Z. P.en
dc.contributor.authorZhilich, V.en
dc.contributor.authorZhukova, V.en
dc.date.accessioned2023-12-08T18:18:55Zen
dc.date.available2023-12-08T18:18:55Zen
dc.date.issued2023-07-11en
dc.date.issued2023-07-11en
dc.description.abstractWe present the first measurement of the Michel parameter ζ′ in the τ-→μ-ν¯μντ decay using the full data sample of 988 fb-1 collected by the Belle detector operating at the KEKB asymmetric energy e+e- collider. The method is based on the reconstruction of the μ-→e-ν¯eνμ decay-in-flight in the Belle central drift chamber and relies on the correlation between muon spin and its daughter electron momentum. We study the main sources of the background that can imitate the signal decay, such as kaon and pion decays-in-flight and charged particle scattering on the detector material. Highly efficient methods of their suppression are developed and applied to select 165 signal-candidate events. We obtain ζ′=0.22±0.94±0.42 where the first uncertainty is statistical, and the second one is systematic. The result is in agreement with the Standard Model prediction of ζ′=1.en
dc.description.versionPublished versionen
dc.format.extent16 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 012003 (Article number)en
dc.identifier.doihttps://doi.org/10.1103/PhysRevD.108.012003en
dc.identifier.eissn2470-0029en
dc.identifier.issn2470-0010en
dc.identifier.issue1en
dc.identifier.orcidPiilonen, Leo [0000-0001-6836-0748]en
dc.identifier.urihttps://hdl.handle.net/10919/117139en
dc.identifier.volume108en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://dx.doi.org/10.1103/physrevd.108.012003en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectScience & Technologyen
dc.subjectPhysical Sciencesen
dc.subjectAstronomy & Astrophysicsen
dc.subjectPhysics, Particles & Fieldsen
dc.subjectPhysicsen
dc.subjectMONTE-CARLOen
dc.subjectSIMULATIONen
dc.subjectLIBRARYen
dc.subjectTAUOLAen
dc.subject5106 Nuclear and Plasma Physicsen
dc.subject5107 Particle and High Energy Physicsen
dc.subject5110 Synchrotrons and Acceleratorsen
dc.subject51 Physical Sciencesen
dc.titleStudy of the muon decay-in-flight in the τ<SUP>-</SUP> → μ<SUP>-</SUP>(ν)over-bar<sub>μ</sub>ν<sub>t</sub> decay to measure the Michel parameter ξ'en
dc.title.serialPhysical Review Den
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/Physicsen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen

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