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Related papers: Study of B0 --> l+l'- decays (l,l' = e,mu)

200 papers

We establish improved upper limits on branching fractions for B0 decays to final States 10 where the decay products are purely invisible (i.e., no observable final state particles) and for final states where the only visible product is a…

High Energy Physics - Experiment · Physics 2013-10-31 The BABAR Collaboration

We present measurements of branching fractions for five B-meson decays to two-body charmless final states. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 459 million BBbar pairs. The results…

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

We report on a search for the rare decay modes $B^+\to e^+ \nu_e$ and $B^+\to \mu^+ \nu_\mu$ with data collected from the BaBar detector at the PEP-II $e^+e^-$ storage ring. This search utilizes a new technique in which we fully reconstruct…

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

We report the observation of the baryonic B-decay B0bar -> Lambda_c^+ antiproton K^- pi^+, excluding contributions from the decay B0bar -> Lambda_c^+ anti-Lambda K^-. Using a data sample of 467*10^6 BBbar pairs collected with the BABAR…

High Energy Physics - Experiment · Physics 2011-10-19 The BABAR Collaboration , B. Aubert

A search for the rare decays B_s to mu+ mu- and B^0 to mu^+ mu^- is performed in pp collisions at sqrt(s) = 7 TeV, with a data sample corresponding to an integrated luminosity of 5 inverse femtobarns collected by the CMS experiment at the…

High Energy Physics - Experiment · Physics 2013-01-24 CMS Collaboration

We report on a search for eleven lepton-number violating processes B+ -> X- l+ l'+ with X- = K-, pi-, rho-, K*- or D- and l+/l'+ = e+ or mu+, using a sample of 471+/-3 million BBbar events collected with the BaBar detector at the PEP-II…

High Energy Physics - Experiment · Physics 2014-02-05 J. P. Lees , others , The BABAR Collaboration

We present a measurement of the branching fraction for the decay B- --> D0 K*- using a sample of approximately 86 million BBbar pairs collected by the BaBar detector from e+e- collisions near the Y(4S) resonance. The D0 is detected through…

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

We present the results of searches for decays of B mesons to final states with a b_1 meson and a neutral pion or kaon. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 465 million BBbar pairs…

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

We describe searches for decays of B mesons to the charmless final states eta' eta' K. The data consist of 228 million B Bbar pairs produced in e+ e- annihilation, collected with the BaBar detector at the Stanford Linear Accelerator Center.…

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

We present the results of a search for the radiative decay B0 --> J/psi gamma in a data set containing 123 million Y(4S)--> B B-bar decays, collected by the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring at SLAC. We find…

High Energy Physics - Experiment · Physics 2012-08-27 BABAR collaboration

We report on a search for the process B+ -> Kbar*0(892) K+ using 232 10^6 Upsilon(4S) -> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 25 +/- 13 [stat] +/- 7 [syst]…

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

A search is presented for the four-body decay $B^0\rightarrow p p \bar{p} \bar{p}$ in a sample of $471$ million $B\bar{B}$ pairs collected with the BaBar detector, operated at the SLAC PEP-II asymmetric-energy $e^+e^-$ collider. The…

High Energy Physics - Experiment · Physics 2018-10-31 The BABAR Collaboration

We present measurements of the branching fraction and fraction of longitudinal polarization for the decay B+ -> K*0bar K*+ with a sample of 467 +/- 5 million BBbar pairs collected with the BaBar detector at the PEP-II asymmetric-energy e+e-…

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

This work presents the search for the semileptonic baryonic B decay $B^- \rightarrow \Lambda_c^+ \bar{p} \ell^- \bar{\nu}_{\ell}$. The used data comprises the complete BABAR data set of $470 \cdot 10^{6}$ $B\bar{B}$ events, collected at the…

High Energy Physics - Experiment · Physics 2015-05-19 Torsten Leddig

We have searched for the decay B0 -> phi gamma using the full Belle data set of 772 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e+e- collider. No signal is observed, and we set an upper…

High Energy Physics - Experiment · Physics 2016-08-06 Belle Collaboration , Z. King , B. Pal , A. J. Schwartz , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , T. Aushev , R. Ayad , A. M. Bakich , P. Behera , V. Bhardwaj , B. Bhuyan , J. Biswal , A. Bobrov , A. Bozek , T. E. Browder , D. Červenkov , V. Chekelian , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , N. Dash , Z. Doležal , D. Dutta , S. Eidelman , H. Farhat , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , R. Gillard , R. Glattauer , Y. M. Goh , P. Goldenzweig , B. Golob , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , T. Horiguchi , W. -S. Hou , C. -L. Hsu , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , Y. Iwasaki , W. W. Jacobs , H. B. Jeon , K. K. Joo , T. Julius , K. H. Kang , E. Kato , T. Kawasaki , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , K. T. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , P. Krokovny , T. Kuhr , T. Kumita , I. S. Lee , C. H. Li , H. Li , L. Li , Y. Li , L. Li Gioi , J. Libby , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , M. Nakao , T. Nanut , K. J. Nath , K. Negishi , S. Nishida , S. Ogawa , S. Okuno , W. Ostrowicz , C. W. Park , S. Paul , T. K. Pedlar , L. Pesántez , R. Pestotnik , M. Petrič , L. E. Piilonen , C. Pulvermacher , J. Rauch , M. Ritter , A. Rostomyan , S. Ryu , H. Sahoo , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , V. Savinov , T. Schlüter , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , E. Solovieva , S. Stanič , M. Starič , J. F. Strube , J. Stypula , M. Sumihama , M. Takizawa , N. Taniguchi , Y. Teramoto , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , P. Vanhoefer , G. Varner , K. E. Varvell , V. Vorobyev , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , S. Wehle , K. M. Williams , E. Won , J. Yamaoka , S. Yashchenko , Y. Yook , C. Z. Yuan , Z. P. Zhang , V. Zhilich , A. Zupanc

We present a search for B decays to charmless final states involving charged or neutral a0 mesons. The data sample corresponds to 89 million BBbar pairs collected with the BABAR detector operating at the PEP-II asymmetric-energy B Factory…

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

We present a search for the radiative leptonic decay B+ -> l+ nu gamma, where l=e,mu, using a data sample of 465 million B-meson pairs collected by the BABAR experiment. In this analysis, we fully reconstruct the hadronic decay of one of…

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

We present preliminary results of a search for the decay B^0 --> a_0^+(980)pi^- among 22.7 million Upsilon(4S)-->B-anti-B pairs collected by the BABAR detector at PEP-II. Using improved background suppression techniques and optimal signal…

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

We have performed a search for Bs-->mu+mu- and Bd-->mu+mu- decays in ppbar collisions at sqrt(s) = 1.96TeV using 2fb-1 of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron Collider. The observed number of Bs…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

We present a search for B decays to a charged scalar meson a0+ and a pi0 where the a0+ decays to an eta meson and a pi+. The analysis was performed on a data sample consisting of 383x10-6 BBbar pairs collected with the Babar detector at the…

High Energy Physics - Experiment · Physics 2014-11-18 The BABAR Collaboration , B. Aubert