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Related papers: |q/p| Measurement from B0->D*l nu Partial Reconstr…

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We search for the rare flavor-changing neutral-current decay $B^+ \to K^+ \nu \bar{\nu}$ in a data sample of 82 fb$^{-1}$ collected with the {\sl BABAR} detector at the PEP-II B-factory. Signal events are selected by examining the…

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

We present a 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-. We use a sample of approximately 227 million B-meson pairs recorded at the Upsilon(4S)…

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

We present a measurement of time-dependent CP asymmetries and an updated determination of the CP-odd fraction in the decay B^0 --> D^{*+}D^{*-}. The measurements are derived from a data sample of 88 times 10^{6} B bar{B} pairs collected by…

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

Using data recorded by CLEO-c detector at CESR, we search for simultaneous baryon and lepton number violating decays of the D^0 meson, specifically, D^0 --> p-bar e^+, D^0-bar --> p-bar e^+, D^0 --> p e^- and D^0-bar --> p e^-. We set the…

High Energy Physics - Experiment · Physics 2012-08-27 c Collaboration , P. Rubin

We report a measurement of CP asymmetry parameters in the $b \to c\bar{c}d$-transition-induced decays $B^0(\bar{B^0}) \to J/\psi pi^0$. The analysis is based on a 140 fb$^{-1}$ data sample accumulated at the $\Upsilon(4S)$ resonance by the…

High Energy Physics - Experiment · Physics 2009-09-29 K. Abe , the Belle Collaboration

We present a search for the rare flavor-changing neutral-current decay $B^+ \to K^+ \nu \bar{\nu}$ based on data sample of 82 fb$^{-1}$ collected with the BABAR detector at the PEP-II B-factory. Signal events are selected by examining the…

High Energy Physics - Experiment · Physics 2016-04-26 B. Aubert , BABAR Collaboration

We present updated measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from a data sample of about 60 million Y(4S) to BB…

High Energy Physics - Experiment · Physics 2007-05-23 P. D. Dauncey

We present a precise measurement of the CP violation parameter sin2phi_1 and the direct CP violation parameter A_f using the final data sample of 772x10^6 B\bar B pairs collected at the Upsilon(4S) resonance with the Belle detector at the…

High Energy Physics - Experiment · Physics 2012-12-21 Belle Collaboration , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , A. Bay , V. Bhardwaj , B. Bhuyan , M. Bischofberger , A. Bondar , A. Bozek , M. Bracko , T. E. Browder , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , S. -K. Choi , Y. Choi , J. Dalseno , M. Danilov , Z. Dolezal , Z. Drasal , S. Eidelman , D. Epifanov , J. E. Fast , V. Gaur , N. Gabyshev , A. Garmash , Y. M. Goh , B. Golob , J. Haba , K. Hara , T. Hara , K. Hayasaka , H. Hayashii , T. Higuchi , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , P. Kapusta , N. Katayama , T. Kawasaki , H. Kichimi , C. Kiesling , H. J. Kim , H. O. Kim , J. B. Kim , J. H. Kim , K. T. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , S. Koblitz , P. Kodyš , S. Korpar , P. Krizan , P. Krokovny , T. Kuhr , R. Kumar , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , S. -H. Lee , J. Li , Y. Li , C. Liu , Y. Liu , Z. Q. Liu , D. Liventsev , R. Louvot , D. Matvienko , S. McOnie , K. Miyabayashi , H. Miyata , Y. Miyazaki , R. Mizuk , G. B. Mohanty , T. Mori , N. Muramatsu , E. Nakano , M. Nakao , H. Nakazawa , S. Neubauer , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , S. L. Olsen , Y. Onuki , H. Ozaki , P. Pakhlov , G. Pakhlova , H. K. Park , K. S. Park , T. K. Pedlar , R. Pestotnik , M. Petric , L. E. Piilonen , A. Poluektov , M. Rohrken , M. Rozanska , H. Sahoo , K. Sakai , Y. Sakai , T. Sanuki , Y. Sato , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , P. Smerkol , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanic , M. Staric , M. Sumihama , K. Sumisawa , T. Sumiyoshi , S. Tanaka , G. Tatishvili , Y. Teramoto , I. Tikhomirov , K. Trabelsi , T. Tsuboyama , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , Y. Ushiroda , S. E. Vahsen , G. Varner , K. E. Varvell , A. Vinokurova , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , H. Yamamoto , Y. Yamashita , M. Yamauchi , Y. Yusa , Z. P. Zhang , V. Zhilich , A. Zupanc , O. Zyukova

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 a measurement of the time-dependent CP-violating asymmetries in decays of neutral B mesons to the final states D*-+ pi+-, using approximately 232 million BBbar events recorded by the BABAR experiment at the PEP2 e+e- storage…

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

We report an update to our previous measurement of the CKM element $|V_{ub}|$ using exclusive $B \rightarrow \pi \ell \nu$ decays. In the charm sector we have performed a measurement of $f_{Ds}$ using $D_s\rightarrow\tau^+\nu_{\tau}$…

High Energy Physics - Experiment · Physics 2010-06-03 Jose Benitez

The decay chain b -> Bbar -> D^{**0} l nu X, D^{**0} -> D^{*+} pi^-, D^{*+} -> D^0 pi^+, D^0 ->(Kpi or K3pi) is identified in a sample of 3.9 million hadronic Z decays collected with the OPAL detector at LEP. The branching ratio BR (b ->…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

We present a measurement of the Standard Model CP violation parameter sin(2phi_1) based on a 10.5 fb^{-1} data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collider. One neutral B meson…

High Energy Physics - Experiment · Physics 2008-11-26 A. Abashian

We present a preliminary measurement of the time-dependent CP asymmetry for the neutral $B$-meson decay $B^0\to\phi K^0$. We use a sample of approximately 227 million $B$-meson pairs recorded at the $\Upsilon(4S)$ resonance with the BaBar…

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

We measure the dimuon charge asymmetry A in pp(bar) collisions at a center of mass energy sqrt{s} = 1960 GeV. The data was recorded with the D0 detector and corresponds to an integrated luminosity of approximately 1.0 fb-1. Assuming that…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. Abazov

We present a measurement of D0-D0bar mixing and CP violation using the ratio of lifetimes simultaneously extracted from a sample of D0 mesons produced through the flavor-tagged process D*+ -> D0 pi+, where D0 decays to K-+pi+-, K-K+, or…

High Energy Physics - Experiment · Physics 2013-05-30 J. P. Lees , others

Using a sample of 232 million Upsilon(4S) --> B Bbar events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, we study B- --> D0 K*(892)- decays where K*- --> KS pi- and D0 --> K-pi+, K-pi+pi0, K-pi+pi+pi- (non-CP…

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

We present a preliminary measurement of time-dependent CP-violating asymmetries in B0 -> J/psi K0S and B0 -> psi(2S) K0S decays recorded by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. The data sample consists of…

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

We report the results of a search for T, CP and CPT violation in B0-B0bar mixing using an inclusive dilepton sample collected by the BaBar experiment at the PEP-II B Factory. Using a sample of 232 million BBbar pairs, with a simultaneous…

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

We present results on semileptonic B decays obtained with the BABAR detector. The large data set accumulated at the PEP-II asymmetric-energy B-Factory allows a new measurement technique, where the hadronic decay of one B meson is fully…

High Energy Physics - Experiment · Physics 2010-11-23 Urs Langenegger