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We study the decay B0->D*+D*-Ks using (230 +/- 2) x 10^{6} BBbar pairs collected by the Babar detector at the PEP-II B factory. We measure a branching fraction B(B0->D*+D*-Ks)=(4.4\pm0.4\pm0.7)\times 10^{-3} and find evidence for the decay…

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

We present a preliminary study of $B^- \to D^0_{CP} \pi^-$ and $B^- \to D^0_{CP} K^-$ decays, with the $D^0_{CP}$ reconstructed in the CP-odd eigenstates $K_s \pi^0$, $K_s \omega$, in the CP-even eigenstates $K^+ K^-$, $\pi^+ \pi^-$, and in…

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

We present preliminary results of improved measurements of the CP-violating asymmetries and branching fractions in the decays B0 -> pi+ pi-, B0 -> K+ pi-, B0 -> pi0 pi0, and B0 -> K0 pi0. This update includes all data taken at the Y(4S)…

High Energy Physics - Experiment · Physics 2008-07-31 The BABAR Collaboration , B. Aubert

We study the rare B meson decays B{+-,0} --> J/\psi\ K^+ K^- K{+-,0}, B{+-,0} --> J/\psi\ \phi\ K{+-,0}, and search for B0 --> J/\psi\ \phi, using 469 million BBbar events collected at the Upsilon(4S) resonance with the BABAR detector at…

High Energy Physics - Experiment · Physics 2015-01-14 The BABAR Collaboration

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

We report on recent measurements, from the BaBar and Belle experiments, of B-meson decays to purely hadronic final states that do not contain charm. The studies are based on large samples of BBbar pairs collected at the Upsilon(4S) or…

High Energy Physics - Experiment · Physics 2015-03-17 Corry L. Lee

Mixing and CP violation in charm meson decays provide a unique probe of possible physics beyond the standard model. In this paper, we give a brief review of the current measurements from the BABAR experiment.

High Energy Physics - Experiment · Physics 2015-05-20 Chunhui Chen

We report measurements of branching fractions and CP asymmetries for $B \to \eta K^*$ and $B \to \eta \rho$ decays. These results are obtained from a $414 {\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance with the Belle…

High Energy Physics - Experiment · Physics 2008-11-26 The Belle Collaboration , C. H. Wang

We present a preliminary measurement of CP-violating parameters S and C from fits of the time-dependence of B0 meson decays to eta' K0. The data were recorded with the BaBar detector at PEP-II and correspond to 227 * 10^6 B-Bbar pairs…

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

We present an investigation of the decays $\bar{B}^0 \to \Lambda_{c}^{+} \bar{p}$ and $B^- \to \Lambda_{c}^{+} \bar{p} \pi^-$ based on $383\times10^6$ $\Upsilon(4S) \to B\bar{B}$ decays recorded with the BABAR detector. We measure the…

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

We present measurements of time-dependent CP-violation asymmetries for the decays B0 to eta'K0. The data sample corresponds to 347 million BBbar pairs produced by e+e- annihilation at the Upsilon(4S) resonance in the PEP-II collider, and…

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

We present a measurement of the branching fractions and charge-parity-(CP-) violating parameters in B -> omega K decays. The results are obtained from the final data sample containing 772 x 10^(6) BBbar pairs collected at the Y(4S)…

High Energy Physics - Experiment · Physics 2014-07-11 V. Chobanova , J. Dalseno , C. Kiesling , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , A. Bala , Y. Ban , K. Belous , B. Bhuyan , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , Y. Choi , D. Cinabro , M. Danilov , Z. Doležal , Z. Drásal , D. Dutta , K. Dutta , S. Eidelman , S. Esen , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , N. Gabyshev , S. Ganguly , A. Garmash , R. Gillard , Y. M. Goh , B. Golob , J. Haba , K. Hayasaka , X. H. He , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , K. Inami , A. Ishikawa , Y. Iwasaki , T. Iwashita , I. Jaegle , T. Julius , J. H. Kang , E. Kato , H. Kawai , T. Kawasaki , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , J. Klucar , B. R. Ko , P. Kodyš , S. Korpar , P. Krokovny , B. Kronenbitter , T. Kuhr , T. Kumita , A. Kuzmin , J. S. Lange , S. -H. Lee , J. Li , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , D. Matvienko , K. Miyabayashi , H. Miyake , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , N. Muramatsu , R. Mussa , E. Nakano , M. Nakao , Z. Natkaniec , M. Nayak , E. Nedelkovska , C. Ng , N. K. Nisar , S. Nishida , O. Nitoh , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , H. K. Park , T. K. Pedlar , T. Peng , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , A. Rostomyan , H. Sahoo , T. Saito , Y. Sakai , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , A. J. Schwartz , D. Semmler , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , Y. -S. Sohn , S. Stanič , M. Starič , M. Steder , K. Sumisawa , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , P. Vanhoefer , G. Varner , K. E. Varvell , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , H. Yamamoto , Y. Yamashita , S. Yashchenko , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

We report about the studies of the decay channels B- -> D0 K-, B0 -> D*- a1+ and B0 -> Ds(*)- pi+ with a sample of 62.10^6 Upsilon(4S) decays into B meson pairs collected with the BaBar detector at the PEP II asymmetric e+ e- collider.

High Energy Physics - Experiment · Physics 2019-08-14 Patrick Robbe

We present a measurement of CP-violating asymmetries in B0 -> pi+pi- decays based on a 41.8 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We fully reconstruct…

High Energy Physics - Experiment · Physics 2008-11-26 The Belle Collaboration , K. Abe

We report on the evidence for the decays B0 -> Ds+ pi- and B0 -> Ds- K+ and the results of a search for the decays B0 -> Ds*+ pi- and B0 -> Ds*-K+ from a sample of 84 million Upsilon(4S) decays into B meson pairs collected with the BABAR…

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

We present measurements of branching fractions and CP asymmetries of several B- -> D(*)0 K(*)- decays, with the D(*)0 decaying to CP-even, CP-odd, and flavor eigenstates, that can constrain the CP angle gamma as well as the amplitude ratio…

High Energy Physics - Experiment · Physics 2009-04-02 Giampiero Mancinelli

We report the first observation of the charmless hyperonic B decay, B0 -> p Lambdabar pi-, using a 78 fb^-1 data sample recorded on the Upsilon(4S) resonance with the Belle detector at KEKB. The measured branching fraction is B(B0 -> p…

High Energy Physics - Experiment · Physics 2008-11-26 M. -Z. Wang

With a sample of approximately 89 million BBbar pairs collected with the BABAR detector, we perform a search for B meson decays into pairs of charmless vector mesons (phi, rho, and K*). We measure the branching fractions, determine the…

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

Preliminary results from the BABAR experiment on charmless B decays to charged pions or kaons, and the measurement of the B -> J/psi K* decay amplitudes are presented. The data sample, collected at the asymmetric-energy B-factory PEP-II at…

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

We present preliminary measurements of branching fractions and CP-violating charge asymmetries in B-meson decays to rho pi. The data sample comprises 89 million Y(4S) --> BBbar decays collected with the BABAR detector at the PEP-II…

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