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We present measurements of the branching fraction and time-dependent CP-violating (CPV) asymmetries in B0 --> K0S Pi0 decays based on 227 million Y(4S) --> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B…

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

We present a systematic analysis of the angular distribution of Bbar -> Kbar^\ast (-> Kbar pi) l^+ l^- decays with l = e, mu in the low recoil region (i.e. at high dilepton invariant masses of the order of the mass of the b-quark) to…

High Energy Physics - Phenomenology · Physics 2011-12-09 Christoph Bobeth , Gudrun Hiller , Danny van Dyk

We report on first measurements of branching fractions~($\mathcal{B}$) and CP-violating charge asymmetries~($\mathcal{A}$) in charmless $B$ decays at Belle~II. We use a sample of electron-positron collisions collected in 2019 and 2020 at…

High Energy Physics - Experiment · Physics 2020-09-22 Belle II Collaboration , F. Abudinén , I. Adachi , R. Adak , K. Adamczyk , P. Ahlburg , J. K. Ahn , H. Aihara , N. Akopov , A. Aloisio , F. Ameli , L. Andricek , N. Anh Ky , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , V. Aushev , T. Aziz , V. Babu , S. Bacher , S. Baehr , S. Bahinipati , A. M. Bakich , P. Bambade , Sw. Banerjee , S. Bansal , M. Barrett , G. Batignani , J. Baudot , A. Beaulieu , J. Becker , P. K. Behera , M. Bender , J. V. Bennett , E. Bernieri , F. U. Bernlochner , M. Bertemes , M. Bessner , S. Bettarini , V. Bhardwaj , B. Bhuyan , F. Bianchi , T. Bilka , S. Bilokin , D. Biswas , A. Bobrov , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , P. Branchini , N. Braun , R. A. Briere , T. E. Browder , D. N. Brown , A. Budano , L. Burmistrov , S. Bussino , M. Campajola , L. Cao , G. Caria , G. Casarosa , C. Cecchi , D. Červenkov , M. -C. Chang , P. Chang , R. Cheaib , V. Chekelian , C. Chen , Y. C. Chen , Y. Q. Chen , Y. -T. Chen , B. G. Cheon , K. Chilikin , K. Chirapatpimol , H. -E. Cho , K. Cho , S. -J. Cho , S. -K. Choi , S. Choudhury , D. Cinabro , L. Corona , L. M. Cremaldi , D. Cuesta , S. Cunliffe , T. Czank , N. Dash , F. Dattola , E. De La Cruz-Burelo , G. De Nardo , M. De Nuccio , G. De Pietro , R. de Sangro , B. Deschamps , M. Destefanis , S. Dey , A. De Yta-Hernandez , A. Di Canto , F. Di Capua , S. Di Carlo , J. Dingfelder , Z. Doležal , I. Domínguez Jiménez , T. V. Dong , K. Dort , D. Dossett , S. Dubey , S. Duell , G. Dujany , S. Eidelman , M. Eliachevitch , D. Epifanov , J. E. Fast , T. Ferber , D. Ferlewicz , G. Finocchiaro , S. Fiore , P. Fischer , A. Fodor , F. Forti , A. Frey , M. Friedl , B. G. Fulsom , M. Gabriel , N. Gabyshev , E. Ganiev , M. Garcia-Hernandez , R. Garg , A. Garmash , V. Gaur , A. Gaz , U. Gebauer , M. Gelb , A. Gellrich , J. Gemmler , T. Geßler , D. Getzkow , R. Giordano , A. Giri , A. Glazov , B. Gobbo , R. Godang , P. Goldenzweig , B. Golob , P. Gomis , P. Grace , W. Gradl , E. Graziani , D. Greenwald , Y. Guan , C. Hadjivasiliou , S. Halder , K. Hara , T. Hara , O. Hartbrich , T. Hauth , K. Hayasaka , H. Hayashii , C. Hearty , M. Heck , M. T. Hedges , I. Heredia de la Cruz , M. Hernández Villanueva , A. Hershenhorn , T. Higuchi , E. C. Hill , H. Hirata , M. Hoek , M. Hohmann , S. Hollitt , T. Hotta , C. -L. Hsu , Y. Hu , K. Huang , T. Iijima , K. Inami , G. Inguglia , J. Irakkathil Jabbar , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , S. Iwata , P. Jackson , W. W. Jacobs , I. Jaegle , D. E. Jaffe , E. -J. Jang , M. Jeandron , H. B. Jeon , S. Jia , Y. Jin , C. Joo , K. K. Joo , I. Kadenko , J. Kahn , H. Kakuno , A. B. Kaliyar , J. Kandra , K. H. Kang , P. Kapusta , R. Karl , G. Karyan , Y. Kato , H. Kawai , T. Kawasaki , T. Keck , C. Ketter , H. Kichimi , C. Kiesling , B. H. Kim , C. -H. Kim , D. Y. Kim , H. J. Kim , J. B. Kim , K. -H. Kim , K. Kim , S. -H. Kim , Y. -K. Kim , Y. Kim , T. D. Kimmel , H. Kindo , K. Kinoshita , B. Kirby , C. Kleinwort , B. Knysh , P. Kodyš , T. Koga , S. Kohani , I. Komarov , T. Konno , S. Korpar , N. Kovalchuk , T. M. G. Kraetzschmar , P. Križan , R. Kroeger , J. F. Krohn , P. Krokovny , H. Krüger , W. Kuehn , T. Kuhr , J. Kumar , M. Kumar , R. Kumar , K. Kumara , T. Kumita , T. Kunigo , M. Künzel , S. Kurz , A. Kuzmin , P. Kvasnička , Y. -J. Kwon , S. Lacaprara , Y. -T. Lai , C. La Licata , K. Lalwani , L. Lanceri , J. S. Lange , K. Lautenbach , P. J. Laycock , F. R. Le Diberder , I. -S. Lee , S. C. Lee , P. Leitl , D. Levit , P. M. Lewis , C. Li , C. -H. Li , L. K. Li , S. X. Li , Y. M. Li , Y. B. Li , J. Libby , K. Lieret , L. Li Gioi , J. Lin , Z. Liptak , Q. Y. Liu , Z. A. Liu , D. Liventsev , S. Longo , A. Loos , P. Lu , M. Lubej , T. Lueck , F. Luetticke , T. Luo , C. MacQueen , Y. Maeda , M. Maggiora , S. Maity , R. Manfredi , E. Manoni , S. Marcello , C. Marinas , A. Martini , M. Masuda , T. Matsuda , K. Matsuoka , D. Matvienko , J. McNeil , F. Meggendorfer , J. C. Mei , F. Meier , M. Merola , F. Metzner , M. Milesi , C. Miller , K. Miyabayashi , H. Miyake , H. Miyata , R. Mizuk , K. Azmi , G. B. Mohanty , H. Moon , T. Moon , J. A. Mora Grimaldo , A. Morda , T. Morii , H. -G. Moser , M. Mrvar , F. Mueller , F. J. Müller , Th. Muller , G. Muroyama , C. Murphy , R. Mussa , K. Nakagiri , I. Nakamura , K. R. Nakamura , E. Nakano , M. Nakao , H. Nakayama , H. Nakazawa , T. Nanut , Z. Natkaniec , A. Natochii , M. Nayak , G. Nazaryan , D. Neverov , C. Niebuhr , M. Niiyama , J. Ninkovic , N. K. Nisar , S. Nishida , K. Nishimura , M. Nishimura , M. H. A. Nouxman , B. Oberhof , K. Ogawa , S. Ogawa , S. L. Olsen , Y. Onishchuk , H. Ono , Y. Onuki , P. Oskin , E. R. Oxford , H. Ozaki , P. Pakhlov , G. Pakhlova , A. Paladino , T. Pang , A. Panta , E. Paoloni , S. Pardi , C. Park , H. Park , S. -H. Park , B. Paschen , A. Passeri , A. Pathak , S. Patra , S. Paul , T. K. Pedlar , I. Peruzzi , R. Peschke , R. Pestotnik , M. Piccolo , L. E. Piilonen , P. L. M. Podesta-Lerma , G. Polat , V. Popov , C. Praz , E. Prencipe , M. T. Prim , M. V. Purohit , N. Rad , P. Rados , S. Raiz , R. Rasheed , M. Reif , S. Reiter , M. Remnev , P. K. Resmi , I. Ripp-Baudot , M. Ritter , M. Ritzert , G. Rizzo , L. B. Rizzuto , S. H. Robertson , D. Rodríguez Pérez , J. M. Roney , C. Rosenfeld , A. Rostomyan , N. Rout , M. Rozanska , G. Russo , D. Sahoo , Y. Sakai , D. A. Sanders , S. Sandilya , A. Sangal , L. Santelj , P. Sartori , J. Sasaki , Y. Sato , V. Savinov , B. Scavino , M. Schram , H. Schreeck , J. Schueler , C. Schwanda , A. J. Schwartz , B. Schwenker , R. M. Seddon , Y. Seino , A. Selce , K. Senyo , I. S. Seong , J. Serrano , M. E. Sevior , C. Sfienti , V. Shebalin , C. P. Shen , H. Shibuya , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , S. Skambraks , K. Smith , R. J. Sobie , A. Soffer , A. Sokolov , Y. Soloviev , E. Solovieva , S. Spataro , B. Spruck , M. Starič , S. Stefkova , Z. S. Stottler , R. Stroili , J. Strube , J. Stypula , M. Sumihama , K. Sumisawa , T. Sumiyoshi , D. J. Summers , W. Sutcliffe , K. Suzuki , S. Y. Suzuki , H. Svidras , M. Tabata , M. Takahashi , M. Takizawa , U. Tamponi , S. Tanaka , K. Tanida , H. Tanigawa , N. Taniguchi , Y. Tao , P. Taras , F. Tenchini , D. Tonelli , E. Torassa , K. Trabelsi , T. Tsuboyama , N. Tsuzuki , M. Uchida , I. Ueda , S. Uehara , T. Ueno , T. Uglov , K. Unger , Y. Unno , S. Uno , P. Urquijo , Y. Ushiroda , Y. Usov , S. E. Vahsen , R. van Tonder , G. S. Varner , K. E. Varvell , A. Vinokurova , L. Vitale , V. Vorobyev , A. Vossen , B. Wach , E. Waheed , H. M. Wakeling , K. Wan , W. Wan Abdullah , B. Wang , C. H. Wang , M. -Z. Wang , X. L. Wang , A. Warburton , M. Watanabe , S. Watanuki , I. Watson , J. Webb , S. Wehle , M. Welsch , C. Wessel , J. Wiechczynski , P. Wieduwilt , H. Windel , E. Won , L. J. Wu , X. P. Xu , B. Yabsley , S. Yamada , W. Yan , S. B. Yang , H. Ye , J. Yelton , I. Yeo , J. H. Yin , M. Yonenaga , Y. M. Yook , T. Yoshinobu , C. Z. Yuan , G. Yuan , W. Yuan , Y. Yusa , L. Zani , J. Z. Zhang , Y. Zhang , Z. Zhang , V. Zhilich , Q. D. Zhou , X. Y. Zhou , V. I. Zhukova , V. Zhulanov , A. Zupanc

We present a measurement of the branching fraction and time-dependent CP violation parameters for B0 -> D*+ D*- Ks decays. We also obtain an upper limit on the product branching fraction for the possible two-body decay, B0 -> Ds1+(2536)…

High Energy Physics - Experiment · Physics 2019-08-13 J. Dalseno

We present the study of CP violation in charm and charmonium decays, using a data sample corresponding to 657 \times 10^6 BBbar events collected with the Belle detector at the \Upsilon(4S) resonance at the KEKB asymmetric-energy e^+e^-…

High Energy Physics - Experiment · Physics 2008-10-20 K. Vervink

We report on a search for the CP asymmetry in the singly Cabibbo-suppressed decays D+ -> KKpi and in the resonant decays D+ -> phipi and D+ -> KstarK based on a data sample of 79.9 fb^-1 recorded by the BABAR detector. We use the…

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

We present an updated measurement of time-dependent CP-violating asymmetries in neutral B decays with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. This result uses an additional sample of Upsilon(4S) decays collected in…

High Energy Physics - Experiment · Physics 2010-05-28 B. Aubert , BABAR Collaboration

Based on 471 million BB pairs collected with the BABAR detector at the PEP-II e+e- collider, we perform a series of measurements on rare decays B->K(*)l+l-, where l+l- is either e+e- or mu+mu-. The measurements include total branching…

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

Based on a data sample of 81.7 fb^-1 collected at the Upsilon(4S) resonance with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC, we present the current status of the measurement of the branching fraction of Upsilon(4S)…

High Energy Physics - Experiment · Physics 2007-05-23 Romulus Godang , Donald Summers

We present preliminary measurements of the CP asymmetries and branching fractions for B -> pi pi and B -> K pi decays. A total of 347 million BBbar events collected by the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC…

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

We present preliminary measurements of the CP-violating asymmetries in the decay $B^0\to f_0(980)(\to\pi^+\pi^{-}) K_s^0$. The results are obtained from a data sample of $209\times10^6$ $\Upsilon(4S) \to B\bar{B}$ decays collected with the…

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

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 measurements of the branching fractions for B0 meson decays to eta'K0 and omegaK0, and of the branching fractions and CP-violation charge asymmetries for B+ meson decays to etapi+, etaK+, eta'pi+, eta'K+, omegapi+, and omegaK+.…

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

We present a preliminary measurement of the time-dependent CP asymmetry in B0 --> K*0 (K_S0 pi0) gamma decays based on 431 x 10^6 Upsilon(4S) --> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy e+e- collider…

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

Recent results obtained using the data sample collected on the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+ e^- collider and the Babar detector at the PEP-II asymmetric-energy e^+ e^- collider are…

High Energy Physics - Experiment · Physics 2009-06-02 Y. W. Chang

We give an overview of the experimental measurements and the theoretical understanding of the branching fractions and CP-violating asymmetries of charmless B-meson decays. Most experimetal results are from the BABAR and Belle experiments…

High Energy Physics - Phenomenology · Physics 2009-12-15 Hai-Yang Cheng , Jim Smith

We present a preliminary measurement of CP-violating asymmetries in fully reconstructed $B^0{\to}D^{(*)\pm}\pi^{\mp}$ and $\B^0{\to}D^{\pm}\rho^{\mp}$ decays in approximately 110 million $\Upsilon(\rm 4S) \to B\bar{B}$ decays collected with…

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

The BABAR detector at SLAC's PEP-II storage ring has collected data equivalent to about 30.4 fb-1 through June 2001. Results on CP violation, and in particular searches for direct CP violation, and measurement of rare B decays are…

High Energy Physics - Experiment · Physics 2007-05-23 D. Bernard

We report a preliminary branching fraction of (1.80 +/- 0.37(stat.) +/- 0.23(syst.)) x 10^-4 for the charmless exclusive semileptonic B+ -> pi0 l+ nu decay, where l can be either a muon or an electron. This result is based on data…

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

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
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