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Related papers: Charmless Three-body Decays of B Mesons

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A model-independent analytical analysis for charmless B decays is presented. It is demonstrated that the CP-averaging branching ratio difference $\Delta R = R_c - R_n$ in $B\to \pi K$ decays with $R_c = 2Br(\pi^0K^-)/Br(\pi^-\bar{K}^0)$ and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yue-Liang Wu , Yu-Feng Zhou , Ci Zhuang

We investigate exclusive nonleptonic $B$ meson decays $B\to\phi K$ in perturbative QCD formalism. It is shown that the end-point (logarithmic and linear) singularities in decay amplitudes do not exist, after $k_T$ and threshold resummations…

High Energy Physics - Phenomenology · Physics 2014-11-17 Chuan-Hung Chen , Yong-Yeon Keum , Hsiang-nan Li

Branching fractions and CP-violating asymmetries of charmless $\bar B_s\to PP, VP, VV$ decays (P and V denoting pseudoscalar and vector mesons, respectively) are re-examined in the framework of QCD factorization (QCDF). We take into account…

High Energy Physics - Phenomenology · Physics 2010-01-07 Hai-Yang Cheng , Chun-Khiang Chua

Motived by the accumulated experimental results on three-body charmed $B$ decays with resonance contributions in Babar, LHCb and Belle (II), we systematically analyze $B_{(s)} \to D_{(s)} (V \to) P_1 P_2 $ decays with $V$ representing a…

High Energy Physics - Phenomenology · Physics 2024-06-04 Si-Hong Zhou , Run-Hui Li , Xiao-Yao Lü

We develop perturbative QCD formalism for three-body nonleptonic $B$ meson decays. Leading contributions are identified by defining power counting rules for various topologies of amplitudes. The analysis is simplified into the one for…

High Energy Physics - Phenomenology · Physics 2009-11-07 Chuan-Hung Chen , Hsiang-nan Li

Three-body $B$ decays not only significantly broaden the study of $B$ meson decay mechanisms, but also provide information of resonant particles. Because of complicate dynamics, it is very hard for us to study the whole phase space in a…

High Energy Physics - Phenomenology · Physics 2022-01-05 Wen-Feng Liu , Zhi-Tian Zou , Ying Li

We address a number of theoretical and phenomenological issues in two-body charmless non-leptonic B decays in the context of a factorization model. A classification of the exclusive decays involving tree and penguin amplitudes is reviewed.…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Ali

In this work we have studied hadronic charmless two-body B decays involving p-wave mesons in final state. We have calculated branching ratios of $B\to AT$ decays (where $A$ and $T$ denotes a $^3P_1$ axial-vector and a tensor meson,…

High Energy Physics - Phenomenology · Physics 2009-11-20 J. H. Munoz , N. Quintero

We have systematically investigated the semi-inclusive B decays $B\to MX$, which are manifestations of the quark decay $b \to Mq$, within a framework inspired by QCD-improved factorization. These decays are theoretically clean and have…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hai-Yang Cheng

The form factors of the weak $B_s$ transitions to the ground state and orbitally excited strange mesons are calculated in the framework of the QCD-motivated relativistic quark model based on the quasipotential approach. These form factors…

High Energy Physics - Phenomenology · Physics 2013-06-05 R. N. Faustov , V. O. Galkin

Long-distance contributions of operators of the effective non-leptonic weak Hamiltonian containing charmed currents have been recently studied. Penguin-like contractions of these operators, denoted as charming penguins, have been shown to…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Ciuchini , R. Contino , E. Franco , G. Martinelli , L. Silvestrini

We study charmless two-body baryonic B decays in a diagramatic approach. Relations on decay amplitudes are obtained. In general there are more than one tree and more than one penguin amplitudes. The number of independent amplitudes can be…

High Energy Physics - Phenomenology · Physics 2009-11-10 Chun-Khiang Chua

We study two-body charmless hadronic decays of $B$ mesons to a pseudoscalar meson ($P$) and a tensor meson ($T$) in the frameworks of both flavor SU(3) symmetry and generalized factorization. Certain ways to test validity of the generalized…

High Energy Physics - Phenomenology · Physics 2011-09-13 C. S. Kim , B. H. Lim , Sechul Oh

We study the hadronic charmless two-body B decays to final states involving pseudoscalar and vector mesons with QCD factorization approach, including the contributions from the chirally enhanced power corrections and weak annihilations. The…

High Energy Physics - Phenomenology · Physics 2014-11-17 Dongsheng Du , Haijun Gong , Junfeng Sun , Deshan Yang , Guohuai Zhu

The decays of $B$ mesons to a pair of charmless pseudoscalar ($P$) mesons are analyzed within a framework of flavor SU(3). Symmetry breaking is taken into account in tree ($T$) amplitudes through ratios of decay constants; exact SU(3) is…

High Energy Physics - Phenomenology · Physics 2014-11-17 Cheng-Wei Chiang , Michael Gronau , Jonathan L. Rosner , Denis A. Suprun

We study the three-body radiative decays $B\to \phi(\rho) K\gamma$ induced by a flavor-changing neutral current in the perturbative QCD approach. Pseudoscalar-vector ($PV$) distribution amplitudes (DAs) are introduced for the final-state…

High Energy Physics - Phenomenology · Physics 2018-03-07 Chao Wang , Jing-Bin Liu , Hsiang-nan Li , Cai-Dian Lü

In this work, we study the $S$, $P$ and $D$ wave resonance contributions to three-body decays $B_{(s)} \to [ D^{(*)}, \bar{D}^{(*)} ] K^+K^-$ by employing the perturbative QCD (PQCD) approach, where the kaon-kaon invariant mass spectra are…

High Energy Physics - Phenomenology · Physics 2020-09-23 Ya Li , Da-Cheng Yan , Zhou Rui , Lan Liu , Yue-Tong Zhang , Zhen-Jun Xiao

We discuss applications of the perturbative QCD approach in the exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical issues on the factorization approaches. PQCD results are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yong-Yeon Keum

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

We discuss applications of the perturbative QCD approach in the exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical issues on the factorization approaches. PQCD results are…

High Energy Physics - Phenomenology · Physics 2011-07-19 Y. -Y. Keum