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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

The $b \to s$ penguin amplitude affects a number of $B$ meson decays to two pseudoscalar ($P$) mesons in which potential anomalies are being watched carefully, though none has yet reached a statistically compelling level. These include (a)…

High Energy Physics - Phenomenology · Physics 2014-11-18 Michael Gronau , Jonathan L. Rosner

This paper presents the two body weak nonleptonic decays of B mesons emitting pseudoscalar (P) and vector (V) mesons within the framework of the diagrammatic approach at flavor SU(3) symmetry level. Using the decay amplitudes, we are able…

High Energy Physics - Phenomenology · Physics 2018-03-14 Maninder Kaur , Supreet Pal Singh , R. C. Verma

A recent update of data on the decays of $D^0$, $D^+$, and $D_s^+$ to pairs of light pseudoscalars calls for a renewed analysis of key decay amplitudes and tests of flavor symmetry. The present data change our previous understanding of…

High Energy Physics - Phenomenology · Physics 2010-04-06 Bhubanjyoti Bhattacharya , Jonathan L. Rosner

We re-examine the question of measuring the weak phase gamma in B -> K pi pi decays. To this end, we express all B -> K pi pi amplitudes in terms of diagrams. We show that, as in B -> K pi, there exist relations between certain tree and…

High Energy Physics - Phenomenology · Physics 2013-05-29 Maxime Imbeault , Nicolas Rey-Le Lorier , David London

We analyze charmless two-body non-leptonic $B$ decays under the framework of factorization assisted topological amplitude approach. Unlike the conventional flavor diagram approach, we consider flavor $SU(3)$ breaking effect assisted by…

High Energy Physics - Phenomenology · Physics 2017-05-30 Cai-Dian Lu , Si-Hong Zhou

The decays of $B$ mesons to charmless final states consisting of a vector meson ($V$) and a pseudoscalar meson ($P$) are analyzed within flavor SU(3). Predictions are compared with new data from the CLEO Collaboration. Dominant…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michael Gronau , Jonathan L. Rosner

Global fits to charmless B --> PP decays in the framework of flavor SU(3) symmetry are updated and improved without reference to the \sin2\beta measured from the charmonium decay modes. Fit results directly constrain the (\bar\rho,\bar\eta)…

High Energy Physics - Phenomenology · Physics 2011-03-23 Cheng-Wei Chiang , Yu-Feng Zhou

We discuss all contributions from inelastic SU(3)-symmetric rescattering in B decays into a final pair of pseudoscalar mesons $PP = \pi \pi$, $K\bar{K}$, $\pi K$. FSI-induced modifications of amplitudes obtained from the quark-line approach…

High Energy Physics - Phenomenology · Physics 2014-11-17 P. Zenczykowski

We reconsider two classical proposals for the determination of the angle gamma of the unitarity triangle: B^\pm => chi_{c0} \pi^\pm => \pi^+\pi^-\pi^\pm and B_s => rho^0 K_S => \pi^+ \pi^- K_S. We point out the relevance, in both cases, of…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Deandrea , R. Gatto , M. Ladisa , G. Nardulli , P. Santorelli

We compute branching ratios of $B\to K\pi$ decays in the framework of perturbative QCD factorization theorem. Decay amplitudes are classified into the topologies of tree, penguin and annihilation, all of which contain both factorizable and…

High Energy Physics - Phenomenology · Physics 2009-07-09 Y. -Y. Keum , H. -n. Li , A. I. Sanda

Based on the low-energy effective Hamiltonian with the generalized factorization, we calculate the new physics contributions to the branching ratios of the two-body charmless hadronic decays of $B_u$ and $B_d$ mesons induced by the new…

High Energy Physics - Phenomenology · Physics 2011-03-23 Zhenjun Xiao , Chong Sheng Li , Kuang-Ta Chao

In the framework of SU(3) symmetry, we present a general analysis of $B$ meson decays into two lighter uncharmed mesons (both pairs of pseudoscalar mesons and pairs of vector and pseudoscalar mesons). From the analysis we find constraints…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gil Paz

We discuss all contributions from Zweig-rule-satisfying SU(3)-symmetric inelastic FSI-induced corrections in B decays to $\pi \pi$, $\pi K$, $K\bar{K}$, $\pi \eta (\eta ')$, and $K \eta (\eta ')$ . It is shown how all of these FSI…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Lach , P. Zenczykowski

Over the last two decades, $B \to \pi K$ modes have received a lot of attention. They are particularly interesting since the main contribution to these decays comes from QCD penguin topologies. Furthermore, electroweak penguin amplitudes…

High Energy Physics - Phenomenology · Physics 2018-12-07 Robert Fleischer , Ruben Jaarsma , Eleftheria Malami , K. Keri Vos

Systematic analysis of the high recoil decay channels of the B-meson, two body mesonic decay channels in particular. For decays involving D-mesons, all experimentally observed rates are in reasonable accord with our calculations. Noticeable…

High Energy Physics - Phenomenology · Physics 2010-11-01 C. E. Carlson , J. Milana

Using the QCD factorization approach, we reexamine the two-body hadronic charmless $B$-meson decays to final states involving a pseudoscalar~($P$) and a vector~($V$) meson, with inclusion of the penguin contractions of spectator-scattering…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xinqiang Li , Yadong Yang

We show that the neglect of the $(V-A)\times (V+A)$ pieces of the electroweak penguin (EWP) amplitudes in the effective hamiltonian (the Wilson coefficients are very small) allows one to calculate the relative size of some tree and EWP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Maxime Imbeault

In the light of recent experimental data from the CLEO Collaboration we study, the decays of B mesons to a pair of pseudoscalar (P) mesons, and a vector (V) meson and a pseudoscalar meson, in the framework of factorization. In order to…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Dutta , Sechul Oh

In this paper, we propose a general approach for describing hadronic B decays. Using this method, all amplitudes for such decays can be expressed in terms of contractions, though the matrix elements are not evaluated. Many years ago, Buras…

High Energy Physics - Phenomenology · Physics 2012-08-27 Maxime Imbeault , Alakabha Datta , and David London