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Related papers: BABAR Results on B -> Xs gamma

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We present an update on total and partial branching fractions and on CP asymmetries in the semi-inclusive decay B -> Xs l+l-. Further, we summarize our results on branching fractions and CP asymmetries for semi-inclusive and fully-inclusive…

High Energy Physics - Experiment · Physics 2015-03-10 G. Eigen , representing the BABAR collaboration

Using a sample of 471 million BBbar events collected with the BaBar detector, we study the sum of seven exclusive final states B->X_s(d) gamma, where X_s(d) is a strange (non-strange) hadronic system with a mass of up to 2.0GeV/c^2. After…

High Energy Physics - Experiment · Physics 2014-11-21 The BABAR Collaboration , P. del Amo Sanchez

Recent results in radiative B decays from the Belle and BaBar collaborations are discussed. New measurements of the decay rate and CP asymmetries in b -> s gamma and b -> d gamma decays are presented, together with measurements of the…

High Energy Physics - Experiment · Physics 2019-08-14 D. Bard

We present a measurement of the branching fraction and photon energy spectrum for the decay B --> X_s gamma using data from the BaBar experiment. The data sample corresponds to an integrated luminosity of 210 fb^{-1}, from which…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert

Using 22.7 million BBbar events recorded with the BABAR detector, the inclusive branching fractions for the production of J/psi, psi(2S) and Chi_c in B decays are presented. Combining the charmonium state with a K+-, K0, K*+-, K*0 or…

High Energy Physics - Experiment · Physics 2007-05-23 G. Calderini

Using 88.9 million BB events collected by the BaBar detector at the Y(4S), we measure the branching fraction for the radiative penguin process B -> X_s gamma from the sum of 38 exclusive final states. The inclusive branching fraction above…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

We present herein the most recent BABAR results on direct CP asymmetry measurements in B -> Xs gamma, on partial branching fraction and CP asymmetry measurements in B -> Xs l+l-, on a search for B -> pi/eta l+l- decays, on a search for…

High Energy Physics - Experiment · Physics 2019-08-13 Gerald Eigen

An informal review is given of the status and direction of experiments on radiative B decays -- b -> s gamma and b -> d gamma. Branching fractions for exclusive and inclusive b -> s gamma decays, CP asymmetry limits, the photon energy…

High Energy Physics - Experiment · Physics 2007-05-23 Edward H. Thorndike

We present preliminary results from a lepton-tagged fully-inclusive measurement of $B \to X_{s}\gamma$ decays, where $X_{s}$ is any strange hadronic state. Results are based on a BaBar data set of 88.5 million $B\bar{B}$ pairs at the…

High Energy Physics - Experiment · Physics 2012-08-27 BaBar Collaboration

Using 8.5M B-anti-B events recorded by the BABAR detector the yield of inclusive J/psi, the branching ratios of psi(2S) and chi_C1 are presented. Combining the charmonium state with either a K+,KS, K*+ or K*0 exclusive B decays are…

High Energy Physics - Experiment · Physics 2009-09-25 G. Raven

We present a concise review of the recent theoretical progress concerning the standard model calculation of the inclusive radiative Bbar -> X_s gamma decay. Particular attention is thereby devoted to the calculations of the…

High Energy Physics - Phenomenology · Physics 2007-06-23 Ulrich Haisch

The photon spectrum in B->X_{s,d} \gamma decay, where X_s(d) is any strange (non-strange) hadronic state, is studied using data samples of $e^+e^- \rightarrow \Upsilon(4S) \to B B-bar decays collected by the Babar and Belle experiments.…

High Energy Physics - Experiment · Physics 2011-02-10 Wenfeng Wang

In this talk, a wide range of recently published results on rare B decays from BABAR and Belle are covered. The decays of B->XsGamma, B->K(*)l+l-, and lepton-number violation in B decays are measured for new physics searches.

High Energy Physics - Experiment · Physics 2019-08-13 Liang Sun

The photon spectrum in B -> X_s gamma decay, where X_s is any strange hadronic state, is studied using a data sample of 88.5 million e+e- -> Upsilon(4S) -> BBbar decays collected by the BaBar experiment at SLAC. The partial branching…

High Energy Physics - Experiment · Physics 2010-03-19 The BaBar Collaboration , B. Aubert

We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362 million BBbar pairs collected at the…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert

We establish improved upper limits on branching fractions for B0 decays to final States 10 where the decay products are purely invisible (i.e., no observable final state particles) and for final states where the only visible product is a…

High Energy Physics - Experiment · Physics 2013-10-31 The BABAR Collaboration

A study of the two body decays $B^\pm\rightarrow X_{c\bar c}K^\pm$, where X$_{c\bar c}$ refers to one charmonium state, is reported by BaBar collaboration using a data sample of 424 fb$^{-1}$. The absolute determination of branching…

High Energy Physics - Experiment · Physics 2020-05-27 J. P. Lees , V. Poireau , V. Tisserand , E. Grauges , A. Palano , G. Eigen , D. N. Brown , Yu. G. Kolomensky , M. Fritsch , H. Koch , T. Schroeder , R. Cheaib , C. Hearty , T. S. Mattison , J. A. McKenna , R. Y. So , V. E. Blinov , A. R. Buzykaev , V. P. Druzhinin , V. B. Golubev , E. A. Kozyrev , E. A. Kravchenko , A. P. Onuchin , S. I. Serednyakov , Yu. I. Skovpen , E. P. Solodov , K. Yu. Todyshev , A. J. Lankfordm , B. Dey , J. W. Gary , O. Long , A. M. Eisner , W. S. Lockman , W. Panduro Vazquez , D. S. Chao , C. H. Cheng , B. Echenard , K. T. Flood , D. G. Hitlin , J. Kim , Y. Li , T. S. Miyashita , P. Ongmongkolkul , F. C. Porter , M. Rohrken , Z. Huard , B. T. Meadows , B. G. Pushpawela , M. D. Sokoloff , L. Sun , J. G. Smith , S. R. Wagner , D. Bernard , M. Verderi , D. Bettoni , C. Bozzi , R. Calabrese , G. Cibinetto , E. Fioravanti , I. Garzia , E. Luppi , V. Santoro , A. Calcaterra , R. de Sangro , G. Finocchiaro , S. Martellotti , P. Patteri , I. M. Peruzzi , M. Piccolo , M. Rotondo , A. Zallo , S. Passaggio , C. Patrignani , H. M. Lacker , B. Bhuyan , U. Mallik , C. Chen , J. Cochran , S. Prell , A. V. Gritsan , N. Arnaud , M. Davier , F. Le Diberder , A. M. Lutz , G. Wormser , D. J. Lange , D. M. Wright , J. P. Coleman , D. E. Hutchcroft , D. J. Payne , C. Touramanis , A. J. Bevan , F. Di Lodovico , R. Sacco , G. Cowan , Sw. Banerjee , D. N. Brown , C. L. Davis , A. G. Denig , W. Gradl , K. Griessinger , A. Hafner , K. R. Schubert , R. J. Barlow , G. D. Lafferty , R. Cenci , A. Jawahery , D. A. Roberts , R. Cowan , S. H. Robertson , R. M. Seddon , N. Neri , F. Palombo , L. Cremaldi , R. Godang , D. J. Summers , P. Taras , G. De Nardo , C. Sciacca , G. Raven , C. P. Jessop , J. M. LoSecco , K. Honscheid , R. Kass , A. Gaz , M. Margoni , M. Posocco , G. Simi , F. Simonetto , R. Stroili , S. Akar , E. Ben-Haim , M. Bomben , G. R. Bonneaud , G. Calderini , J. Chauveau , G. Marchiori , J. Ocariz , M. Biasini , E. Manoni , A. Rossi , G. Batignani , S. Bettarini , M. Carpinelli , G. Casarosa , M. Chrzaszcz , F. Forti , M. A. Giorgi , A. Lusiani , B. Oberhof , E. Paoloni , M. Rama , G. Rizzo , J. J. Walsh , L. Zani , A. J. S. Smith , F. Anulli , R. Faccini , F. Ferrarotto , F. Ferroni , A. Pilloni , G. Piredda , C. Bunger , S. Dittrich , O. Grunberg , M. Hess , T. Leddig , C. Voß , R. Waldi , T. Adye , F. F. Wilson , S. Emery , G. Vasseur , D. Aston , C. Cartaro , M. R. Convery , J. Dorfan , W. Dunwoodie , M. Ebert , R. C. Field , B. G. Fulsom , M. T. Graham , C. Hast , W. R. Innes , P. Kim , D. W. G. S. Leith , S. Luitz , D. B. MacFarlane , D. R. Muller , H. Neal , B. N. Ratcliff , A. Roodman , M. K. Sullivan , J. Va'vra , W. J. Wisniewski , M. V. Purohit , J. R. Wilson , A. Randle-Conde , S. J. Sekula , H. Ahmed , M. Bellis , P. R. Burchat , E. M. T. Puccio , M. S. Alam , J. A. Ernst , R. Gorodeisky , N. Guttman , D. R. Peimer , A. Soffer , S. M. Spanier , J. L. Ritchie , R. F. Schwitters , J. M. Izen , X. C. Lou , F. Bianchi , F. De Mori , A. Filippi , D. Gamba , L. Lanceri , L. Vitale , F. Martinez-Vidal , A. Oyanguren , J. Albert , A. Beaulieu , F. U. Bernlochner , G. J. King , R. Kowalewski , I. M. Nugent , J. M. Roney , R. J. Sobie , N. Tasneem , T. J. Gershon , P. F. Harrison , T. E. Latham , R. Prepost , S. L. Wu

We present a preliminary determination of the inclusive branching fraction for the rare radiative penguin transition B -> X_{s} gamma. The measurement is based on a data sample of 60 million BB pairs collected between 1999 and 2001 with the…

High Energy Physics - Experiment · Physics 2009-09-29 B. Aubert , BaBar Collaboration

We review the theoretical understanding of the branching ratio and photon-energy spectrum in B -> Xs gamma decays at next-to-leading order in QCD, including consistently the effects of Fermi motion. For the Standard Model, we obtain B(B ->…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matthias Neubert

We present experimental measurements of branching fraction and longitudinal polarization fraction in charmless hadronic B decays into vector, axial vector and tensor final states with the final dataset of \babar . Measurements of such kind…

High Energy Physics - Experiment · Physics 2019-08-13 Paolo Gandini
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