Literature DB >> 28368653

Lepton-Flavor-Dependent Angular Analysis of B→K^{*}ℓ^{+}ℓ^{-}.

S Wehle1, C Niebuhr1, S Yashchenko1, I Adachi2,3, H Aihara4, S Al Said5,6, D M Asner7, V Aulchenko8,9, T Aushev10, R Ayad6, T Aziz11, V Babu11, A M Bakich12, V Bansal7, E Barberio13, W Bartel1, P Behera14, B Bhuyan15, J Biswal16, A Bobrov8,9, A Bondar8,9, G Bonvicini17, A Bozek18, M Bračko16,19, T E Browder20, D Červenkov21, P Chang22, V Chekelian23, A Chen24, B G Cheon25, K Chilikin26,27, R Chistov26,27, K Cho28, Y Choi29, D Cinabro17, N Dash30, J Dingfelder31, Z Doležal21, Z Drásal21, D Dutta11, S Eidelman8,9, D Epifanov8,9, H Farhat17, J E Fast7, T Ferber1, B G Fulsom7, V Gaur11, N Gabyshev8,9, A Garmash8,9, R Gillard17, P Goldenzweig32, B Golob16,33, O Grzymkowska18, E Guido34, J Haba2,3, T Hara2,3, K Hayasaka35, H Hayashii36, M T Hedges20, W-S Hou22, C-L Hsu13, T Iijima37,38, K Inami37, G Inguglia1, A Ishikawa39, R Itoh2,3, Y Iwasaki3, W W Jacobs40, I Jaegle41, H B Jeon42, Y Jin4, D Joffe43, K K Joo44, T Julius13, A B Kaliyar14, K H Kang42, G Karyan1, P Katrenko26,10, T Kawasaki35, H Kichimi3, C Kiesling23, D Y Kim45, H J Kim42, J B Kim46, K T Kim46, M J Kim42, S H Kim25, K Kinoshita47, L Koch48, P Kodyš21, S Korpar16,19, D Kotchetkov20, P Križan16,33, P Krokovny8,9, T Kuhr49, R Kulasiri43, T Kumita50, A Kuzmin8,9, Y-J Kwon51, J S Lange48, C H Li13, L Li52, Y Li53, L Li Gioi23, J Libby14, D Liventsev3,53, M Lubej16, T Luo54, M Masuda55, T Matsuda56, K Miyabayashi36, H Miyake2,3, R Mizuk26,27,10, G B Mohanty11, T Mori37, R Mussa34, E Nakano57, M Nakao2,3, T Nanut16, K J Nath15, Z Natkaniec18, M Nayak3,17, N K Nisar54, S Nishida2,3, S Ogawa58, H Ono59,35, Y Onuki4, G Pakhlova26,10, B Pal47, C-S Park51, C W Park29, H Park42, S Paul60, L Pesántez31, L E Piilonen53, C Pulvermacher3, J Rauch60, M Ritter49, A Rostomyan1, Y Sakai2,3, S Sandilya47, L Santelj3, T Sanuki39, Y Sato37, V Savinov54, T Schlüter49, O Schneider61, G Schnell62,63, C Schwanda64, A J Schwartz47, Y Seino35, K Senyo65, O Seon37, I S Seong20, M E Sevior13, C P Shen66, T-A Shibata67, J-G Shiu22, B Shwartz8,9, F Simon23,68, R Sinha69, E Solovieva26,10, M Starič16, J F Strube7, K Sumisawa2,3, T Sumiyoshi50, M Takizawa70,71,72, U Tamponi34,73, F Tenchini13, K Trabelsi2,3, T Tsuboyama2,3, M Uchida67, T Uglov26,10, Y Unno25, S Uno2,3, P Urquijo13, Y Ushiroda2,3, Y Usov8,9, S E Vahsen20, C Van Hulse62, G Varner20, K E Varvell12, V Vorobyev8,9, A Vossen40, E Waheed13, C H Wang74, M-Z Wang22, P Wang75, M Watanabe35, Y Watanabe76, E Widmann77, K M Williams53, E Won46, H Yamamoto39, Y Yamashita59, H Ye1, Y Yook51, C Z Yuan75, Y Yusa35, Z P Zhang52, V Zhilich8,9, V Zhukova27, V Zhulanov8,9, M Ziegler32, A Zupanc16,33.   

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 772×10^{6} BB[over ¯] pairs, collected at the ϒ(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.

Year:  2017        PMID: 28368653     DOI: 10.1103/PhysRevLett.118.111801

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN: 0031-9007            Impact factor:   9.161


  6 in total

1.  A challenge to lepton universality in B-meson decays.

Authors:  Gregory Ciezarek; Manuel Franco Sevilla; Brian Hamilton; Robert Kowalewski; Thomas Kuhr; Vera Lüth; Yutaro Sato
Journal:  Nature       Date:  2017-06-07       Impact factor: 49.962

2.  Flavour-changing neutral currents making and breaking the standard model.

Authors:  F Archilli; M-O Bettler; P Owen; K A Petridis
Journal:  Nature       Date:  2017-06-07       Impact factor: 49.962

3.  An empirical model to determine the hadronic resonance contributions to B ¯ 0 K ¯ 0 μ + μ - transitions.

Authors:  T Blake; U Egede; P Owen; K A Petridis; G Pomery
Journal:  Eur Phys J C Part Fields       Date:  2018-06-06       Impact factor: 4.590

4.  Anomaly-free models for flavour anomalies.

Authors:  John Ellis; Malcolm Fairbairn; Patrick Tunney
Journal:  Eur Phys J C Part Fields       Date:  2018-03-20       Impact factor: 4.590

5.  On flavourful Easter eggs for New Physics hunger and lepton flavour universality violation.

Authors:  Marco Ciuchini; António M Coutinho; Marco Fedele; Enrico Franco; Ayan Paul; Luca Silvestrini; Mauro Valli
Journal:  Eur Phys J C Part Fields       Date:  2017-10-17       Impact factor: 4.590

6.  New physics in rare B decays after Moriond 2021.

Authors:  Wolfgang Altmannshofer; Peter Stangl
Journal:  Eur Phys J C Part Fields       Date:  2021-10-28       Impact factor: 4.590

  6 in total

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