First observation of B→(D)over-bar1(→(D)over-barπ+π-)l plus νl and measurement of the B→(D)over-bar(*)πl+νl and B→(D)over-bar(*) π+π-l plus νl branching fractions with hadronic tagging at Belle

dc.contributor.authorMeier, F.en
dc.contributor.authorVossen, A.en
dc.contributor.authorAdachi, I.en
dc.contributor.authorAdamczyk, K.en
dc.contributor.authorAihara, H.en
dc.contributor.authorAl Said, S.en
dc.contributor.authorAsner, D. M.en
dc.contributor.authorAtmacan, H.en
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dc.contributor.authorBessner, M.en
dc.contributor.authorBhuyan, B.en
dc.contributor.authorBilka, T.en
dc.contributor.authorBiswas, D.en
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dc.contributor.authorBonvicini, G.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.authorCao, L.en
dc.contributor.authorCervenkov, D.en
dc.contributor.authorChang, M. -C.en
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dc.contributor.authorChoi, S. -K.en
dc.contributor.authorChoi, Y.en
dc.contributor.authorChoudhury, S.en
dc.contributor.authorCinabro, D.en
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dc.contributor.authorDe Nardo, G.en
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dc.contributor.authorDhamija, R.en
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dc.contributor.authorGudkova, K.en
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dc.contributor.authorHalder, S.en
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dc.contributor.authorIwasaki, M.en
dc.contributor.authorJacobs, W. W.en
dc.contributor.authorJang, E. -J.en
dc.contributor.authorJin, Y.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
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dc.contributor.authorKumara, K.en
dc.contributor.authorKwon, Y. -J.en
dc.contributor.authorLam, T.en
dc.contributor.authorLange, J. S.en
dc.contributor.authorLee, S. C.en
dc.contributor.authorLewis, P.en
dc.contributor.authorLi, C. H.en
dc.contributor.authorLi, L. K.en
dc.contributor.authorLi, Y.en
dc.contributor.authorLi, Y. B.en
dc.contributor.authorLi Gioi, L.en
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dc.contributor.authorLieret, K.en
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dc.contributor.authorMussa, R.en
dc.contributor.authorNakamura, I.en
dc.contributor.authorNakao, M.en
dc.contributor.authorNatkaniec, Z.en
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dc.contributor.authorNisar, N. K.en
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dc.contributor.authorPaul, S.en
dc.contributor.authorPestotnik, R.en
dc.contributor.authorPiilonen, L. E.en
dc.contributor.authorPodobnik, T.en
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dc.contributor.authorPrim, M. T.en
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dc.contributor.authorTamponi, U.en
dc.contributor.authorTanida, K.en
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dc.contributor.authorTrabelsi, K.en
dc.contributor.authorUchida, M.en
dc.contributor.authorUglov, T.en
dc.contributor.authorUnno, Y.en
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dc.contributor.authorVarvell, K. E.en
dc.contributor.authorVinokurova, A.en
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dc.contributor.authorWatanabe, M.en
dc.contributor.authorWatanuki, S.en
dc.contributor.authorWiechczynski, J.en
dc.contributor.authorWon, E.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.authorYin, J. H.en
dc.contributor.authorYuan, C. Z.en
dc.contributor.authorYuan, L.en
dc.contributor.authorYusa, Y.en
dc.contributor.authorZhang, Z. P.en
dc.contributor.authorZhukova, V.en
dc.contributor.authorBelle, Collaben
dc.date.accessioned2023-12-08T18:16:00Zen
dc.date.available2023-12-08T18:16:00Zen
dc.date.issued2023-05-08en
dc.date.issued2023-05-08en
dc.description.abstractWe report measurements of the ratios of branching fractions for B→D¯(∗)πℓ+νℓ and B→D¯(∗)π+π-ℓ+νℓ relative to B→D¯∗ℓ+νℓ decays with ℓ=e, μ. These results are obtained from a data sample that contains 772×106BB¯ pairs collected near the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. Fully reconstructing both B mesons in the event, we obtain B(B0→D¯0π-ℓ+νℓ)B(B0→D∗-ℓ+νℓ)=(7.23±0.36±0.14)%, B(B+→D-π+ℓ+νℓ)B(B+→D¯∗0ℓ+νℓ)=(6.78±0.24±0.18)%, B(B0→D¯∗0π-ℓ+νℓ)B(B0→D∗-ℓ+νℓ)=(11.10±0.48±0.23)%, B(B+→D∗-π+ℓ+νℓ)B(B+→D¯∗0ℓ+νℓ)=(9.50±0.33±0.34)%, B(B0→D-π+π-ℓ+νℓ)B(B0→D∗-ℓ+νℓ)=(2.91±0.37±0.26)%, B(B+→D¯0π+π-ℓ+νℓ)B(B+→D¯∗0ℓ+νℓ)=(3.10±0.26±0.22)%, B(B0→D∗-π+π-ℓ+νℓ)B(B0→D∗-ℓ+νℓ)=(0.99±0.43±0.20)%, B(B+→D¯∗0π+π-ℓ+νℓ)B(B+→D¯∗0ℓ+νℓ)=(1.25±0.27±0.15)%, where the uncertainties are statistical and systematic, respectively. These are the most precise measurements of these branching fraction ratios to date. The invariant mass spectra of the Dπ, D∗π, and Dππ systems are studied, and the branching fraction products B(B0→D2∗-ℓ+νℓ)×B(D2∗-→D¯0π-)=(0.157±0.015±0.005)%, B(B+→D¯0∗0ℓ+νℓ)×B(D¯0∗0→D-π+)=(0.054±0.022±0.005)%, B(B+→D¯2∗0ℓ+νℓ)×B(D¯2∗0→D-π+)=(0.163±0.011±0.008)%, B(B0→D1-ℓ+νℓ)×B(D1-→D¯∗0π-)=(0.306±0.050±0.029)%, B(B0→D1′-ℓ+νℓ)×B(D1′-→D¯∗0π-)=(0.206±0.068±0.025)%, B(B0→D2∗-ℓ+νℓ)×B(D2∗-→D¯∗0π-)=(0.051±0.040±0.010)%, B(B+→D¯10ℓ+νℓ)×B(D¯10→D∗-π+)=(0.249±0.023±0.015)%, B(B+→D¯1′0ℓ+νℓ)×B(D¯1′0→D∗-π+)=(0.138±0.036±0.009)%, B(B+→D¯2∗0ℓ+νℓ)×B(D¯2∗0→D∗-π+)=(0.137±0.026±0.009)%, B(B0→D1-ℓ+νℓ)×B(D1-→D-π+π-)=(0.102±0.013±0.009)%, B(B+→D¯10ℓ+νℓ)×B(D¯10→D¯0π+π-)=(0.105±0.011±0.009)%, are extracted. This is the first observation of the decays B→D¯1ℓ+νℓ with D1→Dπ+π-.en
dc.description.versionPublished versionen
dc.format.extent23 page(s)en
dc.identifierARTN 092003 (Article number)en
dc.identifier.doihttps://doi.org/10.1103/PhysRevD.107.092003en
dc.identifier.eissn2470-0029en
dc.identifier.issn2470-0010en
dc.identifier.issue9en
dc.identifier.orcidPiilonen, Leo [0000-0001-6836-0748]en
dc.identifier.urihttps://hdl.handle.net/10919/117132en
dc.identifier.volume107en
dc.languageEnglishen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://dx.doi.org/10.1103/physrevd.107.092003en
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.subjectIDENTIFICATIONen
dc.subjectDECAYSen
dc.subjectTOOLen
dc.subject4902 Mathematical Physicsen
dc.subject5107 Particle and High Energy Physicsen
dc.subject49 Mathematical Sciencesen
dc.subject51 Physical Sciencesen
dc.titleFirst observation of B→(D)over-bar1(→(D)over-barπ+π-)l plus νl and measurement of the B→(D)over-bar(*)πl+νl and B→(D)over-bar(*) π+π-l plus νl branching fractions with hadronic tagging at Belleen
dc.title.serialPhysical Review Den
dc.typeArticle - Refereeden
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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