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Related papers: Study of Bc -> BP,BV Decays with QCD Factorization

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We study two-body hadronic $B_s\to PT$ decays, with $P (T)$ being a light pseudoscalar (tensor) meson, in the perturbative QCD approach. The CP-averaged branching ratios and the direct CP asymmetries of the $\Delta S=0$ modes are predicted,…

High Energy Physics - Phenomenology · Physics 2014-03-25 Qin Qin , Zhi-Tian Zou , Xin Yu , Hsiang-nan Li , Cai-Dian Lü

We study the charmless rare decays $B \to K^{\ast} K^{\ast}$ within the Perturbative QCD picture. We calculate not only factorizable and non-factorizable diagrams, but also annihilation ones. Our predictions are the following: The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jin Zhu , Yue-Long Shen , Cai-Dian Lu

We examine some consequences of the QCD factorization approach to non-leptonic B decays into $\pi K$ and $\pi \pi$ final states, including a set of enhanced power corrections. Among the robust predictions of the approach we find small…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Beneke , G. Buchalla , M. Neubert , C. T. Sachrajda

We firstly address the recent efforts on calculations of the next-to-leading order corrections to the color-suppressed tree amplitude in QCD factorization method which may be essential to solve the puzzles in $B\to \pi\pi$ and $\pi K$…

High Energy Physics - Phenomenology · Physics 2007-09-12 Dongsheng Du

The inclusive decay rate b to ccs is enhanced considerably due to perturbative QCD corrections. We recalculate the dominant part of the NLO-QCD corrections, because they cannot be reconstructed from the literature and we give the full…

High Energy Physics - Phenomenology · Physics 2015-06-16 Fabian Krinner , Alexander Lenz , Thomas Rauh

The $B_s$-meson system is a key element in the $B$-physics programme of hadron colliders, offering various avenues to explore CP violation and to search for new physics. One of the most prominent decays is $B_s\to J/\psi\phi$, the…

High Energy Physics - Phenomenology · Physics 2010-11-23 Robert Fleischer

Based on an approximate six-quark operator effective Hamiltonian from perturbative QCD, we present a systematical study of charmless $B \to PP, PV, VV$ decays ($P$ and $V$ denoting pseudoscalar and vector mesons, respectively). The…

High Energy Physics - Phenomenology · Physics 2010-12-17 Fang Su , Yue-Liang Wu , Yi-Bo Yang , Ci Zhuang

We study the effect from a sequential fourth generation quark on penguin-dominated two-body nonleptonic B meson decays in the next-to-leading order perturbative QCD formalism. With an enhancement of the color-suppressed tree amplitude and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei-Shu Hou , Hsiang-nan Li , Satoshi Mishima , Makiko Nagashima

We review the theoretical status of the B --> pi K decays, focusing on recent developments in the QCD factorization and perturbative QCD approaches as well as on the Standard-Model correlation between the mixing-induced and direct CP…

High Energy Physics - Phenomenology · Physics 2011-01-12 Satoshi Mishima

We study $B_{\small (s)}\to \phi\rho$ decays in a perturbative QCD approach based on $k_T$ factorization. In this approach, we calculate factorizable and non-factorizable contributions, there are no annihilation contributions due to quark…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jing-Wu Li , Fu-Yi You

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

We give the detailed analyses for the gluonic-penguin effect on the $\kp$ and $\pp$ decays of the $B$ meson. In the standard model, it is shown that the ratio $BR(B\A\kp)/BR(B\A\pp)$ takes the value $0.5\sim 3.0$ with the strongly depending…

High Energy Physics - Phenomenology · Physics 2010-11-01 Takemi Hayashi , Masahisa Matsuda , Morimitsu Tanimoto

Motivated by the recent measurements on nonleptonic $J/{\psi}$ weak decays at BESIII and the potential prospects of $J/{\psi}$ meson at the high-luminosity heavy-flavor experiments, the branching ratios of the two-body nonleptonic…

High Energy Physics - Phenomenology · Physics 2016-03-06 Junfeng Sun , Lili Chen , Qin Chang , Jinshu Huang , Yueling Yang

Recently Ciuchini, Pierini and Silvestrini proposed a method for constraining CKM parameters in B->K pi pi and B_s-> K pi pi through phase measurements of amplitudes involving I=3/2 K*pi final states. We show that complementary information…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Gronau , Dan Pirjol , Amarjit Soni , Jure Zupan

We accomplish for the first time the next-to-leading-order computation of the weak annihilation contribution to the exclusive electroweak penguin decays $B \to \left \{K, \pi \right \} \ell^{+} \ell^{-}$ with an energetic light-flavour…

High Energy Physics - Phenomenology · Physics 2024-03-19 Yong-Kang Huang , Yue-Long Shen , Chao Wang , Yu-Ming Wang

Using the next-to-leading order low energy effective Hamiltonian for $\Delta B=1$ transitions, the effects of electroweak penguin operators in some two-body decay modes of $B_s^0$ meson are estimated in the Standard Model (SM). We find that…

High Energy Physics - Phenomenology · Physics 2010-11-01 Dong-sheng Du , Mao-zhi Yang

Applying the perturbative QCD ( PQCD ) method, we study the decay $B_c\rightarrow D_s^*\gamma$ in the standard model and multiscale walking technicolor model. In the SM, we find that the contribution of weak annihilation is more important…

High Energy Physics - Phenomenology · Physics 2008-12-25 Gongru Lu , Chongxing Yue , Yigang Cao , Zhaohua Xiong , Zhenjun Xiao

We investigate the $B\to\pi\rho$ and $\pi\omega$ decay processes using the modified perturbative QCD (PQCD) approach. Sudakov factors arising from the resummation of the double logarithms for the contributions of the transverse momenta of…

High Energy Physics - Phenomenology · Physics 2025-05-08 Sheng Lü , Mao-Zhi Yang

A brief review of the current state of observed deviations of theoretical predictions from experimental data in semileptonic decays of $B$ and $B_c$ mesons is given. A theoretical analysis of these decays is carried out, taking into account…

High Energy Physics - Phenomenology · Physics 2023-07-19 Aidos Issadykov , Mikhail A. Ivanov

We report results of searches for charmless hadronic B meson decays to pseudoscalar(pi^+-,K^+-,Pi^0 or Ks^0)-vector(Rho, K* or Omega) final states. Using 9.7 million BBbar pairs collected with the CLEO detector, we report first observation…

High Energy Physics - Experiment · Physics 2010-04-08 C. P. Jessop , CLEO Collaboration
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