Measurement of the branching fractions of the B+ →ηâ +νâ and B+ →η′â +νâ decays with signal-side only reconstruction in the full q2 range

  • Gebauer, U.
  • Beleño, C.
  • Frey, A.
  • Adachi, I.
  • Adamczyk, K.
  • ... Cheon, B.G.
  • 외 207명
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초록

The branching fractions of the decays B+→ηâ +νâ and B+→η′â +νâ are measured, where â is either an electron or a muon, using a data sample of 711 fb-1 containing 772×106BB¯ pairs collected at the I (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e-collider. To reduce the dependence of the result on the form factor model, the measurement is performed over the entire q2 range. The resulting branching fractions are B(B+→ηâ +νâ )=(2.83±0.55(stat.)±0.34(syst.))×10-5 and B(B+→η′â +νâ )=(2.79±1.29(stat.)±0.30(syst.))×10-5. © 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

키워드

MONTE-CARLOBELLEIDENTIFICATION
제목
Measurement of the branching fractions of the B+ →ηâ +νâ and B+ →η′â +νâ decays with signal-side only reconstruction in the full q2 range
저자
Gebauer, U.Beleño, C.Frey, A.Adachi, I.Adamczyk, K.Aihara, H.Al, Said S.Asner, D.M.Atmacan, H.Aushev, T.Ayad, R.Babu, V.Bahinipati, S.Behera, P.Belous, K.Bennett, J.Bessner, M.Bhardwaj, V.Bhuyan, B.Bilka, T.Biswal, J.Bobrov, A.Bonvicini, G.Bozek, A.Bračko, M.Browder, T.E.Campajola, M.Cao, L.Červenkov, D.Chang, M.-C.Chekelian, V.Chen, A.Cheon, B.G.Chilikin, K.Cho, H.E.Cho, K.Cho, S.-J.Choi, S.-K.Choi, Y.Choudhury, S.Cinabro, D.Cunliffe, S.Das, S.Dash, N.De, Nardo G.Di, Capua F.Dingfelder, J.DoleŽal, Z.Dong, T.V.Eidelman, S.Epifanov, D.Ferber, T.Ferlewicz, D.Fulsom, B.G.Garg, R.Gaur, V.Gabyshev, N.Garmash, A.Giri, A.Goldenzweig, P.Golob, B.Gudkova, K.Hadjivasiliou, C.Halder, S.Hara, T.Hartbrich, O.Hayasaka, K.Hayashii, H.Hedges, M.T.Hou, W.-S.Hsu, C.-L.Iijima, T.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W.W.Jia, S.Jin, Y.Joo, C.W.Joo, K.K.Kahn, J.Kaliyar, A.B.Kang, K.H.Karyan, G.Kawasaki, T.Kichimi, H.Kiesling, C.Kim, C.H.Kim, D.Y.Kim, S.H.Kim, Y.-K.Kinoshita, K.Kodyš, P.Konno, T.Korobov, A.Korpar, S.Kovalenko, E.KriŽan, P.Kroeger, R.Krokovny, P.Kuhr, T.Kumar, M.Kumar, R.Kumara, K.Kuzmin, A.Kwon, Y.-J.Lalwani, K.Lange, J.S.Lee, I.S.Lee, S.C.Lewis, P.Li, Y.B.Li, Gioi L.Libby, J.Lieret, K.Liventsev, D.Macqueen, C.Masuda, M.Matsuda, T.Matvienko, D.Merola, M.Metzner, F.Miyabayashi, K.Mizuk, R.Mohanty, G.B.Mrvar, M.Mussa, R.Nakao, M.Natkaniec, Z.Natochii, A.Nayak, L.Nayak, M.Nisar, N.K.Nishida, S.Nishimura, K.Ogawa, S.Ono, H.Onuki, Y.Oskin, P.Pakhlov, P.Pakhlova, G.Pardi, S.Park, H.Park, S.-H.Patra, S.Paul, S.Pedlar, T.K.Pestotnik, R.Piilonen, L.E.Podobnik, T.Prencipe, E.Prim, M.T.Purohit, M.V.Röhrken, M.Rostomyan, A.Rout, N.Russo, G.Sahoo, D.Sandilya, S.Sangal, A.Santelj, L.Sanuki, T.Savinov, V.Schnell, G.Schueler, J.Schwanda, C.Seino, Y.Senyo, K.Sevior, M.E.Shapkin, M.Sharma, C.Shiu, J.-G.Shwartz, B.Simon, F.Solovieva, E.Stanič, S.Starič, M.Stottler, Z.S.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tenchini, F.Trabelsi, K.Uchida, M.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Van, Tonder R.Varner, G.Varvell, K.E.Vossen, A.Waheed, E.Wang, C.H.Wang, M.-Z.Wang, P.Wang, X.L.Watanuki, S.Wiechczynski, J.Won, E.Xu, X.Yabsley, B.D.Yan, W.Yang, S.B.Ye, H.Yin, J.H.Yuan, C.Z.Zhang, Z.P.Zhilich, V.Zhukova, V.(Belle Collaboration)
DOI
10.1103/PhysRevD.106.032013
발행일
2022-08
유형
Article
저널명
Physical Review d
106
3
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