English
Related papers

Related papers: Direct CP violation in charmless B decays at BaBar

200 papers

We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running at and just below the Y(4S) resonance. The CP-violating…

High Energy Physics - Experiment · Physics 2013-03-14 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 , L. Piemontese , V. Santoro , R. Baldini-Ferroli , A. Calcaterra , R. de Sangro , G. Finocchiaro , P. Patteri , 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. Bunger , O. Grunberg , 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. Yeche , 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

We search for CP violation in a sample of 4.7x10^4 Cabibbo suppressed D0 -> K+K-pi+pi- decays. We use 470 fb-1 of data recorded by the BaBar detector at the PeP2 asymmetric-energy e+e- storage rings running at center-of-mass energies near…

High Energy Physics - Experiment · Physics 2019-08-14 Maurizio Martinelli

We present a preliminary measurement of CP-violation parameters in the decay B0->K+K-Ks, using approximately 465 million BBbar events collected by the BABAR detector at SLAC. Reconstructing the neutral kaon as Ks->pi+pi- or Ks->pi0pi0, we…

High Energy Physics - Experiment · Physics 2009-05-09 The BABAR Collaboration , B. Aubert

We report evidence for direct CP violation in the decay B0 -> K+-pi-+ with 253/fb of data collected with the Belle detector at the KEKB e+e- collider. Using 275 million B B_bar pairs we observe a B -> K+-pi-+ signal with 2140+-53 events.…

High Energy Physics - Experiment · Physics 2019-08-14 Y. Chao

We report an improved measurement of direct CP violation in the decay B0 --> K+pi-, and a search for CP violation in the decays B+ --> K+pi0 and B+ --> pi+pi0. The measured CP violating asymmetries are…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We present a preliminary measurement of CP-violation parameters in the decay B0 -> K+K-K0, using approximately 347 million BBbar events collected by the BABAR detector at SLAC. Reconstructing the neutral kaon as KS -> pi+pi-, KS -> pi0pi0,…

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

Results of recent searches for new physics in CP violation in charm decays from the BABAR experiment are presented. These results include a measurement of $D^0$ - $\bar{D}^0$ mixing and searches for CP violation in two-body $D^0$ decays, a…

High Energy Physics - Experiment · Physics 2012-10-08 Fernando Palombo

We analyze the three-body charmless decay B+- -> K+-K+-K-+ using a sample of 226.0 +- 2.5 million BBbar pairs collected by the BABAR detector. We measure the total branching fraction and CP asymmetry to be B = (35.2 +- 0.9 +-1.6) x 10^{-6}…

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

In this proceeding, results of searches for CP violation in charm decays using the full BABAR dataset are discussed. The parameter $A_{CP}$ in the decay $D^\pm\to\KS\pi^\pm$ is determined to be $(-0.39 \pm 0.13 \pm 0.10)%$. Meaurements of…

High Energy Physics - Experiment · Physics 2011-09-09 R. M. White

A possible effect of direct CP violation in D->K0Spipi decay on the gamma measurement from B->DK, D->K0Spi+pi- Dalitz plot analysis is considered. Systematic uncertainty of gamma coming from the current limits on direct CP violation in…

High Energy Physics - Phenomenology · Physics 2013-06-25 Alex Bondar , Alexander Dolgov , Anton Poluektov , Vitaly Vorobiev

We study the direct CP violation in $B^\pm\to p\bar p K^{(*)\pm}$ decays in the standard model. We point out that these three-body baryonic B decays can be important tools for detecting the direct CP violation in the charged $B$ system, in…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Q. Geng , Y. K. Hsiao , J. N. Ng

The search for rare B decays and direct CP violation at BABAR is described. The following measurements (based on integrated luminosities ranging from 56.4 to 81.9fb-1) are summarized: the inclusive branching fractions and direct CP…

High Energy Physics - Experiment · Physics 2007-05-23 S. Laplace

We present results for a time-dependent Dalitz plot measurement of CP-violating asymmetries in the mode B^0 -> pi^+ pi^- pi^0. The dataset is derived from the complete sample of 471 x 10^6 BBbar meson pairs collected with the BABAR detector…

High Energy Physics - Experiment · Physics 2013-08-09 BABAR Collaboration

We present preliminary results of the analyses of B^+ --> h^+ pi^0 (with h^+ = pi^+, K^+) and B^0 --> K^0 pi^0 decays from a sample of approximately 88 million B bar{B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy B…

High Energy Physics - Experiment · Physics 2007-05-23 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 preliminary measurements of direct and indirect CP-violating asymmetries in the decays of neutral B mesons to pi+pi-pi0 and K+-pi-+pi0 final states dominated by the rho+- resonance, using a time-dependent maximum likelihood…

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

We present recent results of B and charm decays from the BaBar experiment. These results include searches for rare or forbidden charm decays, measurements of $|V_{ub}|$ from inclusive ${\bar B} \rightarrow X_u l {\bar \nu} $ decays,…

High Energy Physics - Experiment · Physics 2011-10-25 Fernando Palombo

Results on Dalitz analysis of three-body charmless B+=>K+pi+pi- and B+=>K+K+K- decays are reported. We also present preliminary results on the studies of direct CP violation in three-body decay B+-=>K+-pi+pi-. The analysis is performed…

High Energy Physics - Experiment · Physics 2019-08-14 A. Garmash

Measurements of the CKM parameter $\sin(2 \beta)$ have established $CP$ violation in the $B^0$ meson system arising from the interference between mixing and decay. However, direct CP violation, arising from the interference among different…

High Energy Physics - Experiment · Physics 2007-05-23 A. Satpathy

With a sample of approximately 89 million BBbar pairs collected with the BABAR detector, we measure branching fractions, determine the degree of longitudinal polarization, and search for direct CP violation in the decays B0=>phiK*0 and…

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