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Related papers: Charmless Hadronic B Decays at BABAR

200 papers

We report a search for B -> J/psi D decays, based on a sample of 124 10^6 BBbar events collected with the BABAR detector at the PEP-II storage ring of the Stanford Linear Accelerator Center. No significant signal is found. We obtain upper…

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

Using 3.3 Million $B\bar B$ pairs accumulated with the CLEO detector CLEO has measured ${\cal B}(B^0\to K^+\pi^-) = (1.5^{+ 0.5}_{-0.4}\pm 0.1\pm 0.1)\times 10^{-5}$, ${\cal B}(B^+\to K^0\pi^+) = (2.3^{+1.1}_{-1.0}\pm 0.2\pm 0.2)\times…

High Energy Physics - Experiment · Physics 2007-05-23 Frank Würthwein

There are several exciting results for the hadronic B decays of Belle and BaBar recently. My report focuses on the ratios of branching fractions and $CP$ asymmetry for $B \to hh$ decays at Belle and BaBar where $h$ denotes $\pi$ or $K$. The…

High Energy Physics - Experiment · Physics 2019-08-12 S. -W. Lin

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 present an analysis of exclusive charmless semileptonic B-meson decays based on 377 million BBbar pairs recorded with the BABAR detector at the Upsilon(4S) resonance. We select four event samples corresponding to the decay modes B0 -->…

High Energy Physics - Experiment · Physics 2011-02-18 The BABAR Collaboration , P. del Amo Sanchez

The B meson decay modes B --> D p pbar and B --> D* p pbar have been studied using 29.4 fb^{-1} of data collected with the Belle detector at KEKB. The B0bar --> D0 p pbar and B0bar --> D*0 p pbar decays have been observed for the first time…

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

Relative branching fractions of B^0_d,s -> h^+ h^'- decays (where h, h' = K or pi) and the direct CP asymmetry A_CP in the B^0_d -> K^+ pi^- mode are measured with 179 +- 11 pb^-1 of data collected at sqrt{s} = 1.96 TeV using the CDF II…

High Energy Physics - Experiment · Physics 2012-11-14 Andreas Warburton

We report searches for B-meson decays to the charmless final states rho K* and f0(980) K* with a sample of 232 million BBbar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We measure the…

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

We present final measurements of thirteen charmless hadronic B decay modes from the CLEO experiment. The decay modes include the ten pipi, Kpi, and KKbar final states and new limits on dibaryonic final states, ppbar, pLambdabar, and…

High Energy Physics - Experiment · Physics 2019-08-18 A. Bornheim

We study for the first time the three-body charmless baryonic decays $\bar B^0_s\to \bar p \Lambda M^+ (p \bar \Lambda M^-)$, with $M=\pi, K$. We find that the branching ratios of $\bar B^0_s\to (\bar p \Lambda K^+$ and $p\bar \Lambda K^-)$…

High Energy Physics - Phenomenology · Physics 2017-02-09 C. Q. Geng , Y. K. Hsiao , Eduardo Rodrigues

We present preliminary results of a maximum-likelihood Dalitz-plot analysis of the charmless hadronic B decays to the final states pi pi pi and K pi pi from data corresponding to an integrated on-resonance luminosity of 166 fb^-1 recorded…

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

We present preliminary measurements of branching fractions of the b -> s\bar{s}s penguin-dominated decays B+ -> phi K+ and B0 -> phi K0 in a sample of approximately 89 million BBbar pairs collected by the BaBar detector at the PEP-II…

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

We have studied two-body charmless hadronic decays of B mesons into the final states $\pi\pi$, $K \pi$, and $KK$. Using 3.3 million $B\bar{B}$ pairs collected with the CLEO-II detector, we have made the first observation of the decays…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , R. Godang et al

We describe searches for $B^0$ meson decays to the charmless final states $\pi^0 K^0_SK^0_S$, $\eta K^0_S K^0_S$, and $\eta^{\prime}K^0_SK^0_S$. The data sample corresponds to $467 \times 10^{6}$ $B\bar{B}$ pairs produced in $e^+e^-$…

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

The hadronic charmless B decays into a scalar meson and a vector meson are studied within the framework of QCD factorization. The main results are: (i) The decay rates for the $f_0(980)K^{*-}$ and $f_0(980)\ov K^{*0}$ modes depend on the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hai-Yang Cheng , Chun-Khiang Chua , Kwei-Chou Yang

We report a search for the decays B- -> K+ pi- pi- and B- -> K- K- pi+, which are highly suppressed in the Standard Model. Using a sample of (467 +/- 5) x 10^6 BBbar pairs collected with the BaBar detector, we do not see any evidence of…

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

We report a search for the charmless hadronic decay $B^0\to\eta \pi^0$ with a data sample corresponding to an integrated luminosity of 694 $\rm fb^{-1}$ containing $753\times10^6$ $B\bar{B}$ pairs. The data were collected by the Belle…

High Energy Physics - Experiment · Physics 2015-07-14 Belle Collaboration , B. Pal , A. J. Schwartz , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , I. Badhrees , A. M. Bakich , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , M. -C. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , Z. Doležal , Z. Drásal , A. Drutskoy , D. Dutta , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , O. Frost , B. G. Fulsom , V. Gaur , N. Gabyshev , S. Ganguly , A . Garmash , D. Getzkow , R. Gillard , R. Glattauer , Y. M. Goh , B. Golob , O. Grzymkowska , T. Hara , K. Hayasaka , H. Hayashii , X. H. He , W. -S. Hou , M. Huschle , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , I. Jaegle , T. Julius , K. H. Kang , E. Kato , C. Kiesling , D. Y. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kuhr , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , D. H. Lee , I. S. Lee , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , D. Matvienko , H. Miyata , G. B. Mohanty , A. Moll , H. K. Moon , K. R. Nakamura , E. Nakano , M. Nakao , T. Nanut , Z. Natkaniec , M. Nayak , S. Nishida , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , T. K. Pedlar , L. Pesántez , M. Petrič , L. E. Piilonen , C. Pulvermacher , E. Ribežl , M. Ritter , A. Rostomyan , S. Ryu , Y. Sakai , S. Sandilya , D. Santel , L. Santelj , T. Sanuki , Y. Sato , O. Schneider , G. Schnell , C. Schwanda , K. Senyo , O. S eon , M. E. Sevior , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , A. Sibidanov , F. Simon , Y. -S. Sohn , E. Solovieva , S. Stanič , M. Starič , M. Su mihama , K. Sumisawa , T. Sumiyoshi , U. Tamponi , Y. Teramoto , F. Thorne , M. Uchida , S. Uehara , Y. Unno , S. Uno , Y. Usov , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokur ova , V. Vorobyev , A. Vossen , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , Y. Watanabe , E. Won , H. Yamamoto , J. Yamaoka , S. Yashchenko , Z. P. Zhang , V. Zhi lich , V. Zhulanov , A. Zupanc

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

With a sample of approximately 89 million BBbar pairs collected with the BABAR detector, we measure branching fractions, determine the degree of longitudinal polarization, and search for direct CP violation in the decays B0=>phiK*0 and…

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

Using 383 million BBbar pairs from the BaBar data sample, we report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charmless resonance decaying to KKbar* or etapipi final states…

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