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We present measurements of CP-violating asymmetries and branching fractions for the decays omegapi+, omegaK+, and omegaK0. The data sample corresponds to 232 million BBbar pairs produced by e+e- annihilation at the Upsilon(4S) resonance.…

High Energy Physics - Experiment · Physics 2010-03-19 B. Aubert

We present several alternative techniques used by the BaBar Collaboration in order to measure the Unitarity Triangle angle gamma. We also present the results of two searches designed to improve the measurements of sin(2beta) using penguin B…

High Energy Physics - Experiment · Physics 2007-05-23 Gabriele Benelli

We describe searches for B meson decays to the charmless vector-vector final states omega omega and omega phi with 471 x 10^6 B Bbar pairs produced in e+ e- annihilation at sqrt(s) = 10.58 GeV using the BABAR detector at the PEP-II collider…

High Energy Physics - Experiment · Physics 2014-03-12 The BABAR Collaboration , J. P. Lees , V. Poireau , V. Tisserand , E. Grauges , A. Palano , G. Eigen , B. Stugu , D. N. Brown , L. T. Kerth , Yu. G. Kolomensky , M. J. Lee , G. Lynch , H. Koch , T. Schroeder , 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 , A. J. Lankford , M. Mandelkern , B. Dey , J. W. Gary , O. Long , C. Campagnari , M. Franco Sevilla , T. M. Hong , D. Kovalskyi , J. D. Richman , C. A. West , A. M. Eisner , W. S. Lockman , W. Panduro Vazquez , B. A. Schumm , A. Seiden , D. S. Chao , C. H. Cheng , B. Echenard , K. T. Flood , D. G. Hitlin , T. S. Miyashita , P. Ongmongkolkul , F. C. Porter , R. Andreassen , Z. Huard , B. T. Meadows , B. G. Pushpawela , 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 , R. Schwierz , D. Bernard , M. Verderi , S. Playfer , D. Bettoni , C. Bozzi , R. Calabrese , G. Cibinetto , E. Fioravanti , I. Garzia , E. Luppi , L. Piemontese , V. Santoro , A. Calcaterra , R. de Sangro , G. Finocchiaro , S. Martellotti , 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 , M. Morii , A. Adametz , U. Uwer , H. M. Lacker , P. D. Dauncey , U. Mallik , C. Chen , J. Cochran , W. T. Meyer , S. Prell , H. Ahmed , A. V. Gritsan , N. Arnaud , M. Davier , D. Derkach , G. Grosdidier , F. Le Diberder , A. M. Lutz , B. Malaescu , P. Roudeau , A. Stocchi , G. Wormser , D. J. Lange , D. M. Wright , J. P. Coleman , J. R. Fry , E. Gabathuler , D. E. Hutchcroft , D. J. Payne , C. Touramanis , A. J. Bevan , F. Di Lodovico , R. Sacco , G. Cowan , J. Bougher , D. N. Brown , C. L. Davis , A. G. Denig , M. Fritsch , W. Gradl , K. Griessinger , A. Hafner , E. Prencipe , K. R. Schubert , R. J. Barlow , G. D. Lafferty , R. Cenci , B. Hamilton , A. Jawahery , D. A. Roberts , R. Cowan , D. Dujmic , G. Sciolla , R. Cheaib , P. M. Patel , S. H. Robertson , P. Biassoni , N. Neri , F. Palombo , L. Cremaldi , R. Godang , P. Sonnek , D. J. Summers , M. Simard , P. Taras , G. De Nardo , D. Monorchio , G. Onorato , C. Sciacca , M. Martinelli , G. Raven , C. P. Jessop , J. M. LoSecco , K. Honscheid , R. Kass , J. Brau , R. Frey , N. B. Sinev , D. Strom , E. Torrence , E. Feltresi , 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 , 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 , M. Chrzaszcz , 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 , R. Faccini , F. Ferrarotto , F. Ferroni , M. Gaspero , L. Li Gioi , G. Piredda , C. Buenger , S. Dittrich , O. Gruenberg , T. Hartmann , T. Leddig , C. Voss , R. Waldi , T. Adye , E. O. Olaiya , F. F. Wilson , S. Emery , G. Vasseur , F. Anulli , D. Aston , D. J. Bard , J. F. Benitez , C. Cartaro , M. R. Convery , J. Dorfan , G. P. Dubois-Felsmann , W. Dunwoodie , M. Ebert , R. C. Field , B. G. Fulsom , A. M. Gabareen , M. T. Graham , C. Hast , W. R. Innes , P. Kim , M. L. Kocian , D. W. G. S. Leith , P. Lewis , D. Lindemann , 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. F. Wang , W. J. Wisniewski , M. Wittgen , D. H. Wright , H. W. Wulsin , V. Ziegler , M. V. Purohit , R. M. White , J. R. Wilson , A. Randle-Conde , S. J. Sekula , 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 , A. M. Ruland , R. F. Schwitters , B. C. Wray , J. M. Izen , X. C. Lou , F. Bianchi , F. De Mori , A. Filippi , D. Gamba , S. Zambito , L. Lanceri , L. Vitale , F. Martinez-Vidal , A. Oyanguren , P. Villanueva-Perez , J. Albert , Sw. Banerjee , F. U. Bernlochner , H. H. F. Choi , G. J. King , R. Kowalewski , M. J. Lewczuk , T. Lueck , 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

The BABAR experiment at the PEP-II asymmetric B factory at SLAC has collected a large sample of data at the $\Upsilon(4S)$ resonance. I will summarize BABAR's new results on CP violation, B mixing and lifetimes, and a selection of rare B…

High Energy Physics - Experiment · Physics 2007-05-23 Aaron Roodman

We present preliminary results of a search for the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BB events recorded with the BaBar detector at the PEP-II B factory. We…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert et al

We perform a measurement of the CP asymmetry in b->sgamma decays using a sample of 383 BB events collected by the BABAR detector at the PEP-II asymmetric B factory. We reconstruct sixteen flavor-specific B decay modes containing a…

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

We present a preliminary measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state KS pi0 pi0, with KS-> pi+ pi- and pi0-> gamma gamma. We use a sample of approximately 227 million B-meson…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert , BABAR Collaboration

We present measurements of the branching fraction and time-dependent CP asymmetries in B0->J/Psi pi0 decays based on 466 million Y(4S)->BBbar events collected with the BaBar detector at the SLAC PEP-II asymmetric-energy B factory. We…

High Energy Physics - Experiment · Physics 2010-04-12 B. Aubert

We study B0->rho0rho0 decays in a sample of 465*10^6 Upsilon (4S)->BBbar events collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider located at the Stanford Linear Accelerator Center (SLAC). We measure the…

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

Establishing CP violation in B0 (bar{B0}) --> l+ l- decays requires a measurement of polarization of the final lepton pair, or a precise determination of the B0 --> l+ l- and bar{B0} --> l+ l- rates. We first argue that if the amplitudes of…

High Energy Physics - Phenomenology · Physics 2014-11-18 Piotr H. Chankowski , Jan Kalinowski , Zbigniew Was , Malgorzata Worek

The status of CP violation and the CKM matrix is reviewed. Direct CP violation in B decay has been established and the measurement of sin(2beta) in \psi K modes reached 5% accuracy. I discuss the implications of these, and of the possible…

High Energy Physics - Phenomenology · Physics 2014-11-17 Zoltan Ligeti

We present a preliminary measurement of the time-dependent CP-violating asymmetry in decays of neutral B mesons to the final states D*-+ pi+- using approximately 178 million BB events recorded by the BaBar experiment at the PEP-II e+e-…

High Energy Physics - Experiment · Physics 2007-05-23 The BABAR Collaboration , B. Aubert

A sample of 23 million B B-bar events collected with the BABAR detector at the PEP-II collider is used in a search for direct CP violation in charmless two-body B decays, quasi two-body B decays, and the radiative penguin decays B to K*…

High Energy Physics - Experiment · Physics 2019-08-14 Sven Menke

We present updated measurements of the CP-violating parameters S_pipi and C_pipi in B0 -> pi+pi- decays. Using a sample of 227 million Y(4S) -> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at…

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

The BABAR collaboration measurements of the B -> pipi, B -> rhopi and B -> rhorho decays are presented. New results, from a 113 fb-1 data sample, on the time-dependent CP asymmetries of the longitudinally polarized component of the B0 ->…

High Energy Physics - Experiment · Physics 2007-05-23 Lydia Roos

We present branching fraction and CP asymmetry results for a variety of B decays based on up to 56.4 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 2009-11-10 J J Back

We have searched for direct CP violation in quasi-two-body charmless B decays observed in a sample of about 45 million B mesons collected with the BABAR detector at the PEP-II collider. We measure the following charge asymmetries in decay:…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert

We study the lepton forward-backward asymmetry AFB and the longitudinal K* polarization FL, as well as an observable P2 derived from them, in the rare decays B->K*l+l-, where l+l- is either e+e- or mu+mu-, using the full sample of 471…

High Energy Physics - Experiment · Physics 2016-04-06 Babar Collaboration

We present the recent measurements of the B0 -> eta' K0 and the B -> omega K decay modes based on the full data set of 772x10^6 BBbar pairs collected by the Belle detector at the KEKB e+e- collider. In the B0 -> eta' K^{0} mode, we obtain…

High Energy Physics - Experiment · Physics 2014-12-16 V. Chobanova

We present measurements of the branching fraction and CP-violating asymmetries for neutral B decays to D*+-D-+. The measurement uses a data sample of approximately 88 million Y(4S) --> B Bbar decays collected with the BABAR detector at the…

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