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The B --> rho0 rho0 decay mode is searched for in a data sample of about 227 million Upsilon(4S) --> B Bbar decays collected with the BABAR detector at the PEP-II asymmetric B factory at SLAC. No significant signal is observed, and an upper…

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

We present a preliminary measurement of time-dependent CP-violating asymmetries in B^0-->J/psi K_S and B^0-->psi(2S) K_S decays recorded by the BABAR detector at the PEP-II asymmetric B Factory at SLAC. The data sample consists of 9.0 fb-1…

High Energy Physics - Experiment · Physics 2007-05-23 David G. Hitlin

We present measurements of branching fractions and CP-violating asymmetries in B0 -> rho+- pi-+ and B0 -> rho- K+ decays. The results are obtained from a data sample of 88.9 10^6 Upsilon(4S) -> B Bbar decays collected with the BABAR…

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

We measure the branching fraction and the CP-violating asymmetry of $B^{0}\to K_{s}^{0}\pi^{0}$ decays with 227 million $\Upsilon(4S)\to B\bar{B}$ events collected with the BaBar detector at the PEP-II asymmetric-energy $e^+e^-$ collider at…

High Energy Physics - Experiment · Physics 2009-09-29 The BABAR Collaboration , B. Aubert

The BABAR detector, at the PEP-II asymmetric B Factory at SLAC collected a sample of 32 million BBbar pairs whilst operating at energies near the Upsilon(4S) resonance between October 1999 and May 2001. An study of time-dependent…

High Energy Physics - Experiment · Physics 2010-11-23 James Weatherall

We present a measurement of the B0 -> Lambda-bar p pi branching fraction performed using the BaBar detector at the PEP-II asymmetric energy e+e- collider. Based on a 232 million BB-bar pairs data sample we measure: BR(B0 -> Lambda-bar p pi)…

High Energy Physics - Experiment · Physics 2009-08-03 The BABAR Collaboration , B. Aubert

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 on 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 B Factory at SLAC. The data sample consisted of 9.0…

High Energy Physics - Experiment · Physics 2010-11-23 Yury G. Kolomensky

We present a measurement of the time-dependent charge-parity (CP) violation parameters in B0 -> pi+ pi- decays. The results are obtained from the final data sample containing 772 million BBbar pairs collected at the Upsilon(4S) resonance…

High Energy Physics - Experiment · Physics 2013-11-27 Belle Collaboration , J. Dalseno , K. Prothmann , C. Kiesling , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , A. M. Bakich , A. Bala , A. Bay , P. Behera , V. Bhardwaj , B. Bhuyan , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , M. Danilov , Z. Doležal , Z. Drásal , A. Drutskoy , D. Dutta , K. Dutta , S. Eidelman , H. Farhat , J. E. Fast , M. Feindt , T. Ferber , A. Frey , V. Gaur , S. Ganguly , R. Gillard , Y. M. Goh , B. Golob , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , T. Higuchi , Y. Hoshi , W. -S. Hou , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , T. Julius , D. H. Kah , E. Kato , H. Kawai , T. Kawasaki , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , K. T. Kim , Y. J. Kim , K. Kinoshita , J. Klucar , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , B. Kronenbitter , A. Kuzmin , Y. -J. Kwon , S. -H. Lee , J. Li , Y. Li , L. Li Gioi , J. Libby , C. Liu , D. Liventsev , P. Lukin , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , T. Mori , H. -G. Moser , N. Muramatsu , R. Mussa , Y. Nagasaka , M. Nakao , M. Nayak , E. Nedelkovska , C. Ng , C. Niebuhr , N. K. Nisar , S. Nishida , O. Nitoh , S. Ogawa , S. Okuno , S. L. Olsen , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , A. Rostomyan , S. Ryu , H. Sahoo , T. Saito , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , A. J. Schwartz , D. Semmler , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , Y. -S. Sohn , E. Solovieva , S. Stanič , M. Starič , M. Steder , M. Sumihama , K. Sumisawa , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , K. Trabelsi , T. Tsuboyama , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Ushiroda , S. E. Vahsen , C. Van Hulse , P. Vanhoefer , G. Varner , V. Vorobyev , M. N. Wagner , C. H. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , H. Yamamoto , Y. Yamashita , S. Yashchenko , Y. Yook , C. Z. Yuan , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

The recent experimental results on CP violation related to the angles of the Cabibbo-Kobayashi-Maskawa (CKM) unitarity triangle 2beta+gamma are summarized in these proceedings. These results are obtained with approximately 232 million…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sergey Ganzhur

The BABAR detector operated successfully at the PEP-II asymmetric e+e- collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the detector systems,…

Instrumentation and Detectors · Physics 2013-09-18 The BABAR Collaboration

The time-dependent CP asymmetries in fully reconstructed B0 --> D(*)pi/rho decays (new preliminary result), and in partially reconstructed B0 --> D(*)pi decays, are measured with the BaBar detector at the PEP-II asymmetric B factory at…

High Energy Physics - Experiment · Physics 2007-05-23 C. Voena

B-meson decays involving b->u transitions are sensitive to the Unitarity Triangle angle alpha (or phi_2). The B-factories at SLAC and KEK have made significant progress toward the measurement of alpha in recent years. This paper summarizes…

High Energy Physics - Experiment · Physics 2009-11-11 A. Bevan

We study the lepton forward-backward asymmetry AFB and the longitudinal K* polarization FL, as well as an observable P2 derived from them, in the rare decays B->K*l+l-, where l+l- is either e+e- or mu+mu-, using the full sample of 471…

High Energy Physics - Experiment · Physics 2016-04-06 Babar Collaboration

Compilation and summary of time-dependent measurements of the CKM angle $\gamma/\phi_3$ with events collected at the Babar detector at the SLAC PEP-II asymmetric B factory.

High Energy Physics - Experiment · Physics 2019-08-13 Ada Rubin

We report an improved measurement of the partial-rate CP asymmetry in B+ => K0pi+ and B- => K0bar pi- decays. The analysis is based on a data sample of 85 million BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at…

High Energy Physics - Experiment · Physics 2008-11-26 Y. Unno , K. Suzuki

We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sample of (465+/-5) million Upsilon(4S)->BBbar decays…

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

The process e+e- --> p anti-p gamma is studied using 469 fb-1 of integrated luminosity collected with the BABAR detector at the PEP-II collider, at an e+e- center-of-mass energy of 10.6 GeV. From the analysis of the p anti-p invariant mass…

High Energy Physics - Experiment · Physics 2013-05-15 The BABAR Collaboration

We report an updated amplitude analysis of the charmless hadronic decays of neutral B mesons to K+pi-pi0. With a sample of 454 million Upsilon(4S) -> B0B0bar decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory…

High Energy Physics - Experiment · Physics 2008-09-02 The BABAR Collaboration , B. Aubert

We report improved measurements of B to pseudoscalar-vector decays containing an omega meson in the final state. These results are obtained from a data sample that contains 386 millions BBbar pairs collected at the Upsilon(4S) resonance,…

High Energy Physics - Experiment · Physics 2012-08-27 The Belle Collaboration