Measurement of Differential Branching Fractions of Inclusive ${B \to X_u \, \ell^+\, \nu_{\ell}}$ Decays
- Cao, L.
- Sutcliffe, W.
- van Tonder, R.
- Bernlochner, F.U.
- Adachi, I.
- Aihara, H.
- Asner, D.M.
- Aushev, T.
- Ayad, R.
- Babu, V.
- Bahinipati, S.
- Behera, P.
- Belous, K.
- Bennett, J.
- Bessner, M.
- Bilka, T.
- Biswal, J.
- Bobrov, A.
- Bračko, M.
- Branchini, P.
- Browder, T.E.
- Budano, A.
- Campajola, M.
- Červenkov, D.
- Chang, M.-C.
- Chang, P.
- Cheon, B.G.
- Chilikin, K.
- Cho, H.E.
- Cho, K.
- Cho, S.-J.
- Choi, Y.
- Choudhury, S.
- Cinabro, D.
- Cunliffe, S.
- Czank, T.
- Dash, N.
- de Pietro, G.
- Dhamija, R.
- Di Capua, F.
- Dingfelder, J.
- Doležal, Z.
- Dong, T.V.
- Dubey, S.
- Epifanov, D.
- Ferber, T.
- Ferlewicz, D.
- Frey, A.
- Fulsom, B.G.
- Garg, R.
- Gaur, V.
- Gabyshev, N.
- Garmash, A.
- Giri, A.
- Goldenzweig, P.
- Gu, T.
- Gudkova, K.
- Halder, S.
- Hara, T.
- Hartbrich, O.
- Hayasaka, K.
- Villanueva, M. Hernandez
- Hou, W.-S.
- Hsu, C.-L.
- Inami, K.
- Ishikawa, A.
- Itoh, R.
- Iwasaki, M.
- Jacobs, W.W.
- Jang, E.-J.
- Jia, S.
- Jin, Y.
- Joo, K.K.
- Kahn, J.
- Kang, K.H.
- Kichimi, H.
- Kiesling, C.
- Kim, C.H.
- Kim, D.Y.
- Kim, S.H.
- Kim, Y.-K.
- Kimmel, T.D.
- Kinoshita, K.
- Kodyš, P.
- Konno, T.
- Korobov, A.
- Korpar, S.
- Kovalenko, E.
- Križan, P.
- Kroeger, R.
- Krokovny, P.
- Kuhr, T.
- Kulasiri, R.
- Kumar, M.
- Kumar, R.
- Kumara, K.
- Kuzmin, A.
- Kwon, Y.-J.
- Lee, S.C.
- Li, C.H.
- Li, J.
- Li, L.K.
- Li, Y.B.
- Gioi, L. Li
- Libby, J.
- Lieret, K.
- Liventsev, D.
- Macqueen, C.
- Masuda, M.
- Merola, M.
- Metzner, F.
- Miyabayashi, K.
- Mizuk, R.
- Mohanty, G.B.
- Mohanty, S.
- Mrvar, M.
- Nakao, M.
- Natochii, A.
- Nayak, L.
- Niiyama, M.
- Nisar, N.K.
- Nishida, S.
- Nishimura, K.
- Ogawa, S.
- Ono, H.
- Onuki, Y.
- Oskin, P.
- Pakhlova, G.
- Pardi, S.
- Park, H.
- Park, S.-H.
- Passeri, A.
- Patra, S.
- Paul, S.
- Pedlar, T.K.
- Piilonen, L.E.
- Podobnik, T.
- Popov, V.
- Prencipe, E.
- Prim, M.T.
- Röhrken, M.
- Rostomyan, A.
- Rout, N.
- Rozanska, M.
- Russo, G.
- Sahoo, D.
- Sandilya, S.
- Sangal, A.
- Santelj, L.
- Sanuki, T.
- Savinov, V.
- Schnell, G.
- Schueler, J.
- Schwanda, C.
- Schwartz, A.J.
- Seino, Y.
- Senyo, K.
- Sevior, M.E.
- Shapkin, M.
- Sharma, C.
- Shen, C.P.
- Shiu, J.-G.
- Shwartz, B.
- Simon, F.
- Sokolov, A.
- Solovieva, E.
- Starič, M.
- Strube, J.F.
- Sumihama, M.
- Sumiyoshi, T.
- Takizawa, M.
- Tamponi, U.
- Tanida, K.
- Tao, Y.
- Tenchini, F.
- Trabelsi, K.
- Uchida, M.
- Uglov, T.
- Uno, S.
- Urquijo, P.
- Vahsen, S.E.
- Varner, G.
- Varvell, K.E.
- Waheed, E.
- Wang, C.H.
- Wang, E.
- Wang, M.-Z.
- Wang, P.
- Wang, X.L.
- Watanabe, M.
- Watanuki, S.
- Werbycka, O.
- Won, E.
- Yabsley, B.D.
- Yan, W.
- Yang, S.B.
- Ye, H.
- Yin, J.H.
- Zhang, Z.P.
- Zhilich, V.
- Zhukova, V.
DOIAbstract
International audienceThe first measurements of differential branching fractions of inclusive semileptonic B→Xuℓ+νℓ decays are performed using the full Belle data set of 711 fb-1 of integrated luminosity at the ϒ(4S) resonance and for ℓ=e, μ. With the availability of these measurements, new avenues for future shape-function model-independent determinations of the Cabibbo-Kobayashi-Maskawa matrix element |Vub| can be pursued to gain new insights in the existing tension with respect to exclusive determinations. The differential branching fractions are reported as a function of the lepton energy, the four-momentum-transfer squared, light-cone momenta, the hadronic mass, and the hadronic mass squared. They are obtained by subtracting the backg...
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