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Related papers: BABAR Measurements on B->K(*)l+l- Rates and Rate A…

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We report results from five analyses based on data taken with the BABAR detector at the PEP-II asymmetric e+e- collider. Included are branching fraction measurements for many B-meson decays involving eta, eta', omega, phi or a0 mesons and…

High Energy Physics - Experiment · Physics 2007-05-23 J. G. Smith

We present a measurement of the total branching fraction of the flavor-changing neutral-current process B->Xsl+l-, along with partial branching fractions in bins of dilepton and hadronic system (Xs) mass, using a sample of 471x10^6…

High Energy Physics - Experiment · Physics 2014-06-11 The BABAR Collaboration , J. P. Lees , others

We present measurements of the branching fractions for the decays $B\to K \mu^{+}\mu^{-}$ and $B\to K e^{+}e^{-}$, and their ratio ($R_{K}$), using a data sample of 711 $fb^{-1}$ that contains $772 \times 10^{6}$ $B\bar{B}$ events. The data…

High Energy Physics - Experiment · Physics 2021-04-23 S. Choudhury , S. Sandilya , K. Trabelsi , A. Giri , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , S. Bahinipati , P. Behera , C. Beleño , K. Belous , J. Bennett , F. Bernlochner , M. Bessner , V. Bhardwaj , T. Bilka , J. Biswal , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , M. Campajola , D. Červenkov , M. -C. Chang , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , S. Cunliffe , N. Dash , G. De Nardo , R. Dhamija , F. Di Capua , J. Dingfelder , Z. Doležal , T. V. Dong , D. Dossett , S. Dubey , S. Eidelman , D. Epifanov , T. Ferber , D. Ferlewicz , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , P. Goldenzweig , B. Golob , D. Greenwald , C. Hadjivasiliou , O. Hartbrich , H. Hayashii , M. T. Hedges , M. Hernandez Villanueva , T. Higuchi , W. -S. Hou , C. -L. Hsu , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , W. W. Jacobs , E. -J. Jang , H. B. Jeon , S. Jia , Y. Jin , C. W. Joo , K. K. Joo , J. Kahn , A. B. Kaliyar , K. H. Kang , G. Karyan , H. Kichimi , C. Kiesling , B. H. Kim , D. Y. Kim , K. -H. Kim , K. T. Kim , S. H. Kim , Y. -K. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , R. Kumar , K. Kumara , A. Kuzmin , Y. -J. Kwon , K. Lalwani , S. C. Lee , P. Lewis , C. H. Li , L. K. Li , Y. B. Li , L. Li Gioi , J. Libby , K. Lieret , Z. Liptak , D. Liventsev , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , R. Mizuk , G. B. Mohanty , S. Mohanty , T. J. Moon , T. Mori , I. Nakamura , K. R. Nakamura , M. Nakao , Z. Natkaniec , A. Natochii , L. Nayak , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , K. Ogawa , H. Ono , Y. Onuki , P. Oskin , P. Pakhlov , G. Pakhlova , S. Pardi , H. Park , S. -H. Park , S. Patra , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , T. Podobnik , V. Popov , E. Prencipe , M. T. Prim , A. Rabusov , A. Rostomyan , N. Rout , M. Rozanska , G. Russo , D. Sahoo , Y. Sakai , L. Santelj , T. Sanuki , V. Savinov , G. Schnell , J. Schueler , C. Schwanda , A. J. Schwartz , Y. Seino , K. Senyo , M. E. Sevior , M. Shapkin , V. Shebalin , J. -G. Shiu , B. Shwartz , F. Simon , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , Z. S. Stottler , T. Sumiyoshi , W. Sutcliffe , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Ushiroda , R. Van Tonder , G. Varner , K. E. Varvell , A. Vinokurova , V. Vorobyev , E. Waheed , C. H. Wang , E. Wang , M. -Z. Wang , P. Wang , M. Watanabe , S. Watanuki , S. Wehle , J. Wiechczynski , E. Won , X. Xu , B. D. Yabsley , W. Yan , S. B. Yang , H. Ye , J. Yelton , J. H. Yin , C. Z. Yuan , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhukova

We present a measurement of the B -> omega l nu branching fraction based on a sample of 467 million BB pairs recorded by the BaBar detector at the SLAC PEP-2 e+e- collider. We observe 1125 +- 131 signal decays, corresponding to a branching…

High Energy Physics - Experiment · Physics 2014-11-27 The BABAR Collaboration

We present a review of recent results from BaBar experiment. BaBar detector has collected about 256 millions of $B\bar B$ events at PEP-II, the asymmetric $e^+e^-$ collider located at SLAC running at the $\Upsilon(4S)$ resonance. We have…

High Energy Physics - Experiment · Physics 2007-05-23 Luca Lista

Results from BABAR's full dataset are presented for the angular analysis of the rare decay B -> K*l+l-, where l represents an electron or muon, including measurements of the longitudinal K* polarization and the lepton forward-backward…

High Energy Physics - Experiment · Physics 2019-08-13 Jack L. Ritchie

We report a measurement of the branching fraction of the exclusive charmless semileptonic decay B+ --> omega l+ nu, where l is either an electron or a muon. We use samples of B+ mesons tagged by a reconstructed charmed semileptonic decay of…

High Energy Physics - Experiment · Physics 2013-10-30 The BABAR Collaboration , J. P. Lees , others

We present measurements of branching fractions and charge asymmetries for the decays etaK*, where K* indicates a spin 0, 1, or 2 Kpi system. The data sample corresponds to 344x10^6 BBbar pairs collected with the BABAR detector at the PEP-II…

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

The branching fractions of the exclusive decays $B^0\to K^{*0}\gamma$ and $B^+ \to K^{*+}\gamma$ are measured from a sample of $(22.74\pm 0.36)\times 10^6$ $B\bar B$ decays collected with the BABAR detector at the PEP II asymmetric…

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

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

We present the results of a search for the rare flavor-changing neutral-current decays B --> pi l+l- (pi=pi+/-, pi0 and l = e,mu) and B0 --> eta l+l- using a sample of e+e- --> Y(4S) BB decays decays corresponding to 428 fb^-1 of integrated…

High Energy Physics - Experiment · Physics 2013-09-04 The BABAR Collaboration , J. P. Lees , others

We present a preliminary analysis of the decays B0 -> K*0 gamma and B+ -> K*+ gamma using a sample of 383 x 10^6 BBbar events collected with the BABAR dector at the PEP-II asymmetric energy B factory. We measure the branching fractions…

High Energy Physics - Experiment · Physics 2008-08-15 The BABAR Collaboration , B. Aubert

We present an analysis of the decays B0 -> K*0 gamma and B+ -> K*+ gamma using a sample of 383 million BBbar events collected with the BaBar detector at the PEP2 asymmetric energy B factory. We measure the branching fractions BF[B0 -> K*0…

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

Recent BaBar results on rare B decays involving flavour-changing neutral currents or purely leptonic final states are presented. New measurements of the CP asymmetries in B -> K* gamma, B -> K*2(1430) gamma, and b -> s gamma are reported,…

High Energy Physics - Experiment · Physics 2007-05-23 Eugenio Paoloni

We report the observation of decays B0->D_s(*)+pi- and B0->D_s(*)-K+ in a sample of 230*10^6 Upsilon(4S)->BBbar events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- storage ring. We measure the branching fractions…

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

We present a selection of recent results from studies of rare hadronic B decays based on a sample of 232 million BBbar pairs, corresponding to an integrated luminosity of 211/fb, which were recorded with the BaBar detector at the PEP-II…

High Energy Physics - Experiment · Physics 2007-05-23 J. Kroseberg

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi K^+) = (7.7^{+1.6}_{-1.4}+/- 0.8) x…

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

We present herein the most recent BABAR results on direct CP asymmetry measurements in B -> Xs gamma, on partial branching fraction and CP asymmetry measurements in B -> Xs l+l-, on a search for B -> pi/eta l+l- decays, on a search for…

High Energy Physics - Experiment · Physics 2019-08-13 Gerald Eigen

We report a measurement of the branching fractions of Bbar -> D** l^- nubar_l decays based on 417 fb-1 of data collected at the Upsilon(4S) resonance with the BaBar detector at the PEP-II e+e- storage rings. Events are selected by fully…

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

We report a study of B -> D*K decays with D* decaying to D pi0 or D gamma, using 383 * 10**6 B Bbar pairs collected at the Upsilon(4S) resonance with the BaBar detector at the SLAC PEP-II B-Factory. The D meson decays under study include a…

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