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Lepton-Flavor-Dependent Angular Analysis of B →k∗ℓ+ℓ-
Date Issued
13-03-2017
Author(s)
Wehle, S.
Niebuhr, C.
Yashchenko, S.
Adachi, I.
Aihara, H.
Al Said, S.
Asner, D. M.
Aulchenko, V.
Aushev, T.
Ayad, R.
Aziz, T.
Babu, V.
Bakich, A. M.
Bansal, V.
Barberio, E.
Bartel, W.
Behera, P.
Bhuyan, B.
Biswal, J.
Bobrov, A.
Bondar, A.
Bonvicini, G.
Bozek, A.
BraÄ ko, M.
Browder, T. E.
ÄŒervenkov, D.
Chang, P.
Chekelian, V.
Chen, A.
Cheon, B. G.
Chilikin, K.
Chistov, R.
Cho, K.
Choi, Y.
Cinabro, D.
Dash, N.
Dingfelder, J.
DoleŽal, Z.
Drásal, Z.
Dutta, D.
Eidelman, S.
Epifanov, D.
Farhat, H.
Fast, J. E.
Ferber, T.
Fulsom, B. G.
Gaur, V.
Gabyshev, N.
Garmash, A.
Gillard, R.
Goldenzweig, P.
Golob, B.
Grzymkowska, O.
Guido, E.
Haba, J.
Hara, T.
Hayasaka, K.
Hayashii, H.
Hedges, M. T.
Hou, W. S.
Hsu, C. L.
Iijima, T.
Inami, K.
Inguglia, G.
Ishikawa, A.
Itoh, R.
Iwasaki, Y.
Jacobs, W. W.
Jaegle, I.
Jeon, H. B.
Jin, Y.
Joffe, D.
Joo, K. K.
Julius, T.
Kaliyar, A. B.
Kang, K. H.
Karyan, G.
Katrenko, P.
Kawasaki, T.
Kichimi, H.
Kiesling, C.
Kim, D. Y.
Kim, H. J.
Kim, J. B.
Kim, K. T.
Kim, M. J.
Kim, S. H.
Kinoshita, K.
Koch, L.
Kodyš, P.
Korpar, S.
Kotchetkov, D.
KriŽan, P.
Krokovny, P.
Kuhr, T.
Kulasiri, R.
Kumita, T.
Kuzmin, A.
Kwon, Y. J.
Lange, J. S.
Abstract
We present a measurement of angular observables and a test of lepton flavor universality in the B→K∗ℓ+ℓ- decay, where ℓ is either e or μ. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb-1 containing 772×106 BB pairs, collected at the (4S) resonance with the Belle detector at the asymmetric-energy e+e- collider KEKB. The result is consistent with standard model (SM) expectations, where the largest discrepancy from a SM prediction is observed in the muon modes with a local significance of 2.6σ.
Volume
118