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We measure partial branching fractions for the inclusive charmless semileptonic decay of $\Bxulnu$, and present determinations of the CKM matrix element $\Vub$. This analysis is based on a sample of 467 million $\FourS$ decays into $\BB$…

High Energy Physics - Experiment · Physics 2019-08-13 M. Sigamani

We report the results of a study of the exclusive charmless semileptonic decays, B^0 --> pi^- l^+ nu, B^+ --> pi^0 l^+ nu, B^+ --> omega l^+ nu, B^+ --> eta l^+ nu and B^+ --> eta^' l^+ nu, (l = e or mu) undertaken with approximately…

High Energy Physics - Experiment · Physics 2012-11-08 BABAR Collaboration , J. P. Lees , V. Poireau , V. Tisserand , J. Garra Tico , E. Grauges , A. Palano , G. Eigen , B. Stugu , D. N. Brown , L. T. Kerth , Yu. G. Kolomensky , G. Lynch , H. Koch , T. Schroeder , D. J. Asgeirsson , C. Hearty , T. S. Mattison , J. A. McKenna , R. Y. So , A. Khan , V. E. Blinov , A. R. Buzykaev , V. P. Druzhinin , V. B. Golubev , E. A. Kravchenko , A. P. Onuchin , S. I. Serednyakov , Yu. I. Skovpen , E. P. Solodov , K. Yu. Todyshev , A. N. Yushkov , M. Bondioli , D. Kirkby , A. J. Lankford , M. Mandelkern , H. Atmacan , J. W. Gary , F. Liu , O. Long , G. M. Vitug , C. Campagnari , T. M. Hong , D. Kovalskyi , J. D. Richman , C. A. West , A. M. Eisner , J. Kroseberg , W. S. Lockman , A. J. Martinez , B. A. Schumm , A. Seiden , D. S. Chao , C. H. Cheng , B. Echenard , K. T. Flood , D. G. Hitlin , P. Ongmongkolkul , F. C. Porter , A. Y. Rakitin , R. Andreassen , Z. Huard , B. T. Meadows , M. D. Sokoloff , L. Sun , P. C. Bloom , W. T. Ford , A. Gaz , U. Nauenberg , J. G. Smith , S. R. Wagner , R. Ayad , W. H. Toki , B. Spaan , K. R. Schubert , R. Schwierz , D. Bernard , M. Verderi , P. J. Clark , S. Playfer , D. Bettoni , C. Bozzi , R. Calabrese , G. Cibinetto , E. Fioravanti , I. Garzia , E. Luppi , M. Munerato , L. Piemontese , V. Santoro , R. Baldini-Ferroli , A. Calcaterra , R. de Sangro , G. Finocchiaro , P. Patteri , I. M. Peruzzi , M. Piccolo , M. Rama , A. Zallo , R. Contri , E. Guido , M. Lo Vetere , M. R. Monge , S. Passaggio , C. Patrignani , E. Robutti , B. Bhuyan , V. Prasad , C. L. Lee , M. Morii , A. J. Edwards , A. Adametz , U. Uwer , H. M. Lacker , T. Lueck , P. D. Dauncey , U. Mallik , C. Chen , J. Cochran , W. T. Meyer , S. Prell , A. E. Rubin , A. V. Gritsan , Z. J. Guo , N. Arnaud , M. Davier , D. Derkach , G. Grosdidier , F. Le Diberder , A. M. Lutz , B. Malaescu , P. Roudeau , M. H. Schune , A. Stocchi , G. Wormser , D. J. Lange , D. M. Wright , C. A. Chavez , J. P. Coleman , J. R. Fry , E. Gabathuler , D. E. Hutchcroft , D. J. Payne , C. Touramanis , A. J. Bevan , F. Di Lodovico , R. Sacco , M. Sigamani , G. Cowan , D. N. Brown , C. L. Davis , A. G. Denig , M. Fritsch , W. Gradl , K. Griessinger , A. Hafner , E. Prencipe , R. J. Barlow , G. Jackson , G. D. Lafferty , E. Behn , R. Cenci , B. Hamilton , A. Jawahery , D. A. Roberts , C. Dallapiccola , R. Cowan , D. Dujmic , G. Sciolla , R. Cheaib , D. Lindemann , P. M. Patel , S. H. Robertson , P. Biassoni , N. Neri , F. Palombo , S. Stracka , L. Cremaldi , R. Godang , R. Kroeger , P. Sonnek , D. J. Summers , X. Nguyen , M. Simard , P. Taras , G. De Nardo , D. Monorchio , G. Onorato , C. Sciacca , M. Martinelli , G. Raven , C. P. Jessop , J. M. LoSecco , W. F. Wang , K. Honscheid , R. Kass , J. Brau , R. Frey , N. B. Sinev , D. Strom , E. Torrence , E. Feltresi , N. Gagliardi , M. Margoni , M. Morandin , M. Posocco , M. Rotondo , G. Simi , F. Simonetto , R. Stroili , S. Akar , E. Ben-Haim , M. Bomben , G. R. Bonneaud , H. Briand , G. Calderini , J. Chauveau , O. Hamon , Ph. Leruste , G. Marchiori , J. Ocariz , S. Sitt , M. Biasini , E. Manoni , S. Pacetti , A. Rossi , C. Angelini , G. Batignani , S. Bettarini , M. Carpinelli , G. Casarosa , A. Cervelli , F. Forti , M. A. Giorgi , A. Lusiani , B. Oberhof , E. Paoloni , A. Perez , G. Rizzo , J. J. Walsh , D. Lopes Pegna , J. Olsen , A. J. S. Smith , A. V. Telnov , F. Anulli , R. Faccini , F. Ferrarotto , F. Ferroni , M. Gaspero , L. Li Gioi , M. A. Mazzoni , G. Piredda , C. Bünger , O. Grünberg , T. Hartmann , T. Leddig , C. Voß , R. Waldi , T. Adye , E. O. Olaiya , F. F. Wilson , S. Emery , G. Hamel de Monchenault , G. Vasseur , Ch. Yèche , D. Aston , D. J. Bard , R. Bartoldus , J. F. Benitez , C. Cartaro , M. R. Convery , J. Dorfan , G. P. Dubois-Felsmann , W. Dunwoodie , M. Ebert , R. C. Field , M. Franco Sevilla , B. G. Fulsom , A. M. Gabareen , M. T. Graham , P. Grenier , C. Hast , W. R. Innes , M. H. Kelsey , P. Kim , M. L. Kocian , D. W. G. S. Leith , P. Lewis , B. Lindquist , S. Luitz , V. Luth , H. L. Lynch , D. B. MacFarlane , D. R. Muller , H. Neal , S. Nelson , M. Perl , T. Pulliam , B. N. Ratcliff , A. Roodman , A. A. Salnikov , R. H. Schindler , A. Snyder , D. Su , M. K. Sullivan , J. Va'vra , A. P. Wagner , W. J. Wisniewski , M. Wittgen , D. H. Wright , H. W. Wulsin , C. C. Young , V. Ziegler , W. Park , M. V. Purohit , R. M. White , J. R. Wilson , A. Randle-Conde , S. J. Sekula , M. Bellis , P. R. Burchat , T. S. Miyashita , E. M. T. Puccio , M. S. Alam , J. A. Ernst , R. Gorodeisky , N. Guttman , D. R. Peimer , A. Soffer , P. Lund , S. M. Spanier , J. L. Ritchie , A. M. Ruland , R. F. Schwitters , B. C. Wray , J. M. Izen , X. C. Lou , F. Bianchi , D. Gamba , S. Zambito , L. Lanceri , L. Vitale , F. Martinez-Vidal , A. Oyanguren , P. Villanueva-Perez , H. Ahmed , J. Albert , Sw. Banerjee , F. U. Bernlochner , H. H. F. Choi , G. J. King , R. Kowalewski , M. J. Lewczuk , I. M. Nugent , J. M. Roney , R. J. Sobie , N. Tasneem , T. J. Gershon , P. F. Harrison , T. E. Latham , H. R. Band , S. Dasu , Y. Pan , R. Prepost , S. L. Wu

Angular distributions of a B meson decaying into two vector mesons are discussed with emphasis on time evolution effects on the complete set of amplitude bilinears. Time integrated quantities are suggested to observe substantial CP…

High Energy Physics - Phenomenology · Physics 2011-03-23 Cheng-Wei Chiang

We present preliminary measurements of branching fractions and CP-asymmetry parameters in two- and three-body charmless hadronic B decays. The available data sample consists of 227 million Upsilon(4S) B decays collected with the BABAR…

High Energy Physics - Experiment · Physics 2017-08-23 Markus Cristinziani

Motivated by the powerful capability of measurement for the $b$-flavored hadron rare decays at LHC and SuperKEKB/Belle-II, the nonleptonic $\bar{B}^{\ast}$ ${\to}$ $D\bar{D}^{\ast}$, $D{\rho^-}$, $DK^{\ast-}$, ${\pi}D^{\ast}$ and…

High Energy Physics - Phenomenology · Physics 2016-05-06 Qin Chang , Xiaohui Hu , Junfeng Sun , Xiaolin Wang , Yueling Yang

We present branching fraction measurements of charged and neutral B decays to Dpi-, D*pi- and D**pi- with a missing mass method, based on a sample of 231 million Y(4S)-->BBar pairs collected by the BaBar detector at the PEP-II e+e-…

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

We report an analysis of charmless hadronic decays of neutral B mesons to the final state KsK+/-pi-/+, using a data sample of (465 +/- 5) x 10^6 BB-bar events collected with the BABAR detector at the Y(4S) resonance. We observe an excess of…

High Energy Physics - Experiment · Physics 2014-11-20 The BABAR Collaboration , P. del Amo Sanchez

I summarize results and performance of the dynamical theory of charmless hadronic B decays, based on QCD factorization in the heavy quark limit. On the theoretical side, a number of NNLO (alpha_s^2) amplitudes are now available, all showing…

High Energy Physics - Phenomenology · Physics 2013-04-10 Sebastian Jager

We report an analysis of charmless hadronic decays of charged B mesons to the final state K+ pi0 pi0, using a data sample of 470.9 +/- 2.8 million BBbar events collected with the BaBar detector at the Upsilon(4S) resonance. We observe an…

High Energy Physics - Experiment · Physics 2010-05-21 The BABAR Collaboration , P. del Amo Sanchez

We report searches for B-meson decays to the charmless final states rho K* and f0(980) K* with a sample of 232 million BBbar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We measure the…

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

We present a search for B decays to charmless final states involving charged or neutral a0 mesons. The data sample corresponds to 89 million BBbar pairs collected with the BABAR detector operating at the PEP-II asymmetric-energy B Factory…

High Energy Physics - Experiment · Physics 2008-11-26 The BABAR Collaboration , B. Aubert

We present branching fraction and CP asymmetry results for a variety of charmless B decays based on up to 124 fb^-1 collected by the BABAR experiment running near the Upsilon(4S) resonance at the PEP-II e+e- B-factory.

High Energy Physics - Experiment · Physics 2010-04-08 John J. Back

Using a sample of 383 million $B\bar{B}$ events collected by the $BaBar$ experiment, we measure sums of seven exclusive final states $B\to X_{d(s)}\gamma$, where $X_d$($X_s$) is a non-strange (strange) charmless hadronic system in the mass…

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

We present preliminary results on hadronic decays of B mesons, based on data recorded at the Upsilon(4S) resonance with the BABAR detector at the PEP-II B-factory at SLAC. We measure branching fractions of many B decay modes, including…

High Energy Physics - Experiment · Physics 2007-05-23 F. Fabozzi

In this work we have studied hadronic charmless two-body B decays involving p-wave mesons in final state. We have calculated branching ratios of $B\to AT$ decays (where $A$ and $T$ denotes a $^3P_1$ axial-vector and a tensor meson,…

High Energy Physics - Phenomenology · Physics 2009-11-20 J. H. Munoz , N. Quintero

We present a study of the decay B- -> D*0 K*- based on a sample of 86 million Upsilon(4S) -> BBbar decays collected between 1999 and 2002 with the BaBar detector at the PEP-II asymmetric-energy B-Factory at SLAC. We measure the branching…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert

We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions. We present preliminary results based on 9.66 million $B\bar{B}$ pairs collected with the CLEO detector. We have made the first…

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

We present recent results from the Belle experiment on rare hadronic B meson decays. The results are based on a 78 fb^{-1} data sample and consist of branching fractions, CP asymmetries, and polarization amplitudes. The decays studied…

High Energy Physics - Experiment · Physics 2009-11-10 A. J. Schwartz

We present preliminary results of a search for $B\to X_d\gamma$ decays with a hadronic mass 1.0 GeV/$c^2<M(X_d)<$1.8 GeV/$c^2$. We consider seven final states with up to four charged pions and one neutral pion or $\eta$, which correspond to…

High Energy Physics - Experiment · Physics 2007-08-14 The BABAR Collaboration , B. Aubert

We review recent experimental results on Bd and Bs mesons decays by the BaBar and Belle experiments. These include measurements of the color-suppressed decays B0bar to D(*)0h0, h0=pi0, eta, etaprime, omega, observation of the baryonic decay…

High Energy Physics - Experiment · Physics 2012-05-17 Xavier Prudent
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