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Related papers: Study of $B_{(s)}^0 \to \phi\phi \to (K^+K^-)(K^+K…

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In this paper, we calculated the branching ratios of the quasi-two-body decays $B \to \eta_c (1S ,2S)$ $[\rho(770), \rho(1450),\rho(1700)\to ] \pi\pi$ by employing the perturbative QCD (PQCD) approach. The contributions from the $P$-wave…

High Energy Physics - Phenomenology · Physics 2017-10-30 Ya Li , Ai-Jun Ma , Zhou Rui , Zhen-Jun Xiao

In this short review, we present the current status about the theoretical and experimental studies for some important semileptonic decays of $B/B_s$ mesons. We firstly gave a brief introduction for the experimental measurements for $B/B_s…

High Energy Physics - Phenomenology · Physics 2014-08-01 Zhen-Jun Xiao , Ying-Ying Fan , Wen-Fei Wang , Shan Cheng

We study the quasi-two-body decays $B\to D K^*(892) \to D K\pi$ by employing the perturbative QCD approach. The two-meson distribution amplitudes $\Phi_{K\pi}^{\text{$P$-wave}}$ are adopted to describe the final state interactions of the…

High Energy Physics - Phenomenology · Physics 2019-07-22 Ai-Jun Ma , Wen-Fei Wang , Ya Li , Zhen-Jun Xiao

We calculate the branching ratios and CP-violating asymmetries for $B_s^0 \to \pi^0 \eta^{(\prime)}$ decays in the perturbative QCD (pQCD) factorization approach here. We not only calculate the usual factorizable contributions, but also…

High Energy Physics - Phenomenology · Physics 2009-09-29 Zhen-jun Xiao , Xin Liu , Hui-sheng Wang

In the present study, the calculations of two-body decays B^{0}_{s} \rightarrow \ TT [ T denotes tensor mesons, a_{2}(1320), K^{*}_{2}(1430), f_{2}(1270), f^{'}_{2}(1525)] in the perturbative QCD approach are presented. The ensuing…

High Energy Physics - Phenomenology · Physics 2024-01-24 Jing Dai , Xian-Qiao Yu

We make a further study of $CP$ asymmetries in the pure penguin-induced decay modes $B^{-}_{u}\rightarrow K^{(*)0} + K^{(*)-}$ and $B^{-}_{u} \rightarrow \bar{K}^{(*)0} + (\pi^{-}, \rho^{-}, a^{-}_{1})$ by using the two-loop…

High Energy Physics - Phenomenology · Physics 2010-11-01 Dongsheng DU , Zhi-zhong XING

We propose a theoretical framework for analyzing three-body hadronic $B$ meson decays based on the perturbative QCD approach. The crucial nonperturbative input is a two-hadron distribution amplitude for final states, whose involved…

High Energy Physics - Phenomenology · Physics 2014-04-17 Wen-Fei Wang , Hao-Chung Hu , Hsiang-nan Li , Cai-Dian Lü

We study two rare decays, $Z \to \pi^+\pi^-$ and $K^+K^-$, in the perturbative QCD approach up to the next-to-leading order of the strong coupling and the leading power of $1/m_Z$, $m_Z$ being the $Z$ boson mass. The branching ratios…

High Energy Physics - Phenomenology · Physics 2019-02-06 Shan Cheng , Qin Qin

We present the studies of the decays $B\to a_1(1260) \pi$ and $a_1(1260) K$ within the framework of QCD factorization. Due to the G-parity, unlike the vector meson, the chiral-odd two-parton light-cone distribution amplitudes of the $a_1$…

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

Although recent experimental results in b-->s penguin process seem to be roughly consistent with the standard model predictions, there may be still large possibilities of new physics hiding in this processes. Therefore, here we investigate…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. S. Kim , Y. J. Kwon , Jake Lee , T. Yoshikawa

We present the differential branching fractions for the $B\rightarrow \psi \pi\pi$ decays with the charmonia $\psi=J/\psi,\psi(2S)$ in the invariant mass of the $P$-wave pion pairs in the perturbative QCD approach. The two-pion distribution…

High Energy Physics - Phenomenology · Physics 2018-12-12 Zhou Rui , Ya Li , Hsiang-nan Li

We scrutinize the penguin dominated $ B_s \to K^+ K^-$ decay mode involving $b \to s$ quark level transition in family non-universal $Z^ \prime$ and vector-like down quark model. There is discrepancy in the standard model branching ratio…

High Energy Physics - Phenomenology · Physics 2020-04-22 Manas K. Mohapatra

Charmless three-body decays of B mesons is studied using a simple model based on the framework of the factorization approach. Hadronic three-body decays receive both resonant and nonresonant contributions. Dominant nonresonant contributions…

High Energy Physics - Phenomenology · Physics 2013-12-16 Hai-Yang Cheng , Chun-Khiang Chua

Within the framework of perturbative QCD approach, we study the charmless two-body decays $B\to a_1(1260)K^*, b_1(1235)K^*$. Using the decays constants and the light-cone distribution amplitudes for these mesons derived from the QCD sum…

High Energy Physics - Phenomenology · Physics 2015-06-04 Zhi-Qing Zhang

Based on the flavor structure of four-quark effective operators, we develop an automatic computation program to calculate hadronic two-body $B$ meson decay amplitudes, and apply it to their global analysis in the perturbative QCD (PQCD)…

High Energy Physics - Phenomenology · Physics 2021-08-04 Jun Hua , Hsiang-nan Li , Cai-Dian Lu , Wei Wang , Zhi-Peng Xing

Charmless 3-body decays of B mesons are studied in the framework of the factorization approach. The nonresonant contributions arising from $B\to P_1P_2$ transitions are evaluated using heavy meson chiral perturbation theory (HMChPT). The…

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

In this work, we calculate the $CP$-averaged branching ratios and direct $CP$-violating asymmetries of the quasi-two-body decays $B_{(s)}\to P f_2(1270)\to P\pi\pi$ with the two-pion distribution amplitude $\Phi_{\pi\pi}^{\rm D}$ by using…

High Energy Physics - Phenomenology · Physics 2018-09-25 Ya Li , Ai-Jun Ma , Zhou Rui , Wen-Fei Wang , Zhen-Jun Xiao

The decay $B^0 \to K^0 \pi^0$, dominated by a $b \to s$ penguin amplitude, holds the potential for exhibiting new physics in this amplitude. In the pure QCD penguin limit one expects $\ckp = 0$ and $\skp = \sin 2 \beta$ for the coefficients…

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

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 analyze the impact of the CP-violating observables in the $B_d\to \rho^{\pm} \pi^{\mp}$ system, combined with the precise measurement of $\sin2\beta$, in the extraction of the CKM matrix. We explore two strategies for determining the…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Salim Safir