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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 extend the framework of QCD factorization to non-leptonic $B$ decays into three light mesons, taking as an example the decay $B^+ \to \pi^+ \pi^+ \pi^-$. We discuss the factorization properties of this decay in different regions of phase…

High Energy Physics - Phenomenology · Physics 2015-12-09 Susanne Kränkl , Thomas Mannel , Javier Virto

We introduce parametrizations of hadronic three-body $B$ and $D$ weak decay amplitudes that can be readily implemented in experimental analyses and are a sound alternative to the simplistic and widely used sum of Breit-Wigner type…

High Energy Physics - Phenomenology · Physics 2017-12-20 D. Boito , J. -P. Dedonder , B. El-Bennich , R. Escribano , R. Kaminski , L. Lesniak , B. Loiseau

We analyze the three-body charmless decay B+- -> K+-K+-K-+ using a sample of 226.0 +- 2.5 million BBbar pairs collected by the BABAR detector. We measure the total branching fraction and CP asymmetry to be B = (35.2 +- 0.9 +-1.6) x 10^{-6}…

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

The era of baryon physics is on the horizon with the accumulation of increasing data by collaborations such as LHCb, Belle II, and BESIII. Despite the wealth of data, one of the critical issues in flavor physics, namely CP violation in…

High Energy Physics - Phenomenology · Physics 2024-11-28 Jian-Peng Wang , Qin Qin , Fu-Sheng Yu

We model-independently analyze the angular distributions of B -> K ll decays, l = e, mu, for low dilepton mass using QCD factorization. Besides the decay rate, we study the forward-backward asymmetry A_FB^l and a further observable, F_H^l,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christoph Bobeth , Gudrun Hiller , Giorgi Piranishvili

We improve the perturbative QCD (PQCD) formalism for multi-body charmless hadronic $B$ meson decays, such as $B\to VP_3\to P_1P_2P_3$, by resolving the possible discrepancy in parametrizing the contribution of the $P$-wave resonance $V$ to…

High Energy Physics - Phenomenology · Physics 2025-04-29 Da-Cheng Yan , Hsiang-nan Li , Zhou Rui , Zhen-Jun Xiao , Ya Li

The two-body hadronic decays of B mesons into pseudoscalar and axial vector mesons are studied within the framework of QCD factorization. The light-cone distribution amplitudes (LCDAs) for $^3P_1$ and $^1P_1$ axial-vector mesons have been…

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

Charmless $B$ decays are dominated by contributions from the short distance amplitudes from tree level and penguin loop-level amplitudes. The Tree contribution presents a weak phase $\gamma$. The relationship between these two amplitudes…

High Energy Physics - Experiment · Physics 2014-08-22 Ignacio Bediaga

LHCb Collaboration studied the resonant structure of $B_s\to \overline{D}^0K^-\pi^+$ decays using the Dalitz plot analysis technique, based on a data sample corresponding to an integrated luminosity of $3.0{\rm fb}^{-1}$ of $pp$ collision.…

High Energy Physics - Phenomenology · Physics 2022-12-14 Zhi-Tian Zou , Wen-Sheng Fang , Xin Liu , Ying Li

We present the angular distribution of the rare B decay, $B \to K^* (\to K \pi) \ell^+ \ell^-$. By studying the azimuthal angle distribution in the low invariant mass region of dileptons, we can probe new physics effects efficiently. In…

High Energy Physics - Phenomenology · Physics 2009-10-31 C. S. Kim , Yeong Gyun Kim , Cai-Dian Lu , Takuya Morozumi

We study the three-body baryonic $B\to {\bf B\bar B'}M$ decays with $M$ representing the $\eta$ or $\eta'$ meson. Particularly, we predict that ${\cal B}(B^-\to\Lambda\bar p\eta,\Lambda\bar p\eta')=(5.3\pm 1.4,3.3\pm 0.7)\times 10^{-6}$ or…

High Energy Physics - Phenomenology · Physics 2019-05-28 Y. K. Hsiao , C. Q. Geng , Yao Yu , H. J. Zhao

We summarize recent results of baryonic B decays from Belle and BaBar. The results from Belle are based on 140 /fb and results from BaBar are based on 81 /fb of data collected at the Upsilon(4S) resonance at KEKB or PEPII respectively. We…

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

We present a systematic analysis of the angular distribution of Bbar -> Kbar^\ast (-> Kbar pi) l^+ l^- decays with l = e, mu in the low recoil region (i.e. at high dilepton invariant masses of the order of the mass of the b-quark) to…

High Energy Physics - Phenomenology · Physics 2011-12-09 Christoph Bobeth , Gudrun Hiller , Danny van Dyk

We study charmless $B^+$ meson decays to the $p \bar{\Lambda} \pi^+ \pi^-$ final state using a $605 {\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$…

High Energy Physics - Experiment · Physics 2019-08-13 P. Chen , M. -Z. Wang

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 report a measurement of the branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decays. The analysis is based on a data sample of 711 $\rm{fb}^{-1}$ collected at the $\Upsilon(4S)$ resonance…

High Energy Physics - Experiment · Physics 2019-07-17 Belle Collaboration , Y. -T. Lai , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , V. Babu , I. Badhrees , A. M. Bakich , V. Bansal , P. Behera , C. Bele\{n}o , B. Bhuyan , T. Bilka , J. Biswal , A. Bobrov , A. Bozek , M. Bračko , L. Cao , D. Červenkov , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , S. Cunliffe , N. Dash , S. Di Carlo , Z. Doležal , T. V. Dong , S. Eidelman , D. Epifanov , J. E. Fast , A. Frey , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , A. Giri , P. Goldenzweig , D. Greenwald , Y. Guan , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , W. -S. Hou , C. -L. Hsu , K. Huang , T. Iijima , K. Inami , G. Inguglia , A. Ishikaw a , R. Itoh , M. Iwasaki , Y. Iwasaki , S. Jia , Y. Jin , D. Joffe , A. B. Kaliyar , G. Karyan , T. Kawasaki , H. Kichimi , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , S . H. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , R. Kumar , A. Kuzmin , Y. -J. Kwon , K . Lalwani , J. S. Lange , I. S. Lee , J. K. Lee , J. Y. Lee , S. C. Lee , C. H. Li , L. K. Li , Y. B. Li , L. Li Gioi , J. Libby , Z. Liptak , D. Liventsev , P. -C. Lu , M. Lu bej , T. Luo , J. MacNaughton , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , R. Mizuk , G. B. Mohanty , T. Mori , M. Mrvar , R. Mussa , E. Nakano , M. Nakao , K. J. Nath , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , G. Pakhlova , B. Pal , S. Pardi , H. Park , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , V. Popov , E. Prencipe , A. Rabusov , M. Ritter , A. Rostomyan , G. Russo , Y. Sakai , M. Salehi , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , O. Seon , M. E. Sevior , C. P. Shen , T. -A. Shi bata , J. -G. Shiu , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , W. Sutcliffe , M. Takizawa , K. Tanida , Y. Tao , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , R. Van Tonder , G. Varner , K. E. Varvell , B. Wang , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , E. Widmann , E. Won , H. Yamamoto , S. B. Yang , H. Ye , C. Z. Yuan , Y. Yusa , Z. P. Zhang , V. Zhukova , V. Zhulanov

The nature of low-mass baryon-antibaryon enhancements seen in B decays is explored. Three possibilities include (i) states near threshold as found in a model by Nambu and Jona-Lasinio, (ii) isoscalar states with $J^{PC} = 0^{\pm +}$ coupled…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan L. Rosner

We report preliminary results of a Dalitz plot analysis of three-body charmless B0=>Kspi+pi- decays. The analysis is performed with a data sample that contains 386 million $B\bar{B}$ pairs collected near the Y(4S) resonance with the Belle…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We analyse the $\overline B_s^0\to K^+l^-\bar \nu$ and $\overline B_s^0\to K^{*+}(\to K\pi) \ell^-\bar \nu$ decays that are valuable for extracting the CKM matrix element $|V_{ub}|$. We calculate the differential and integrated partial…

High Energy Physics - Phenomenology · Physics 2014-08-06 Ulf-G. Meißner , Wei Wang