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Related papers: B -> phi K decays in perturbative QCD approach

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We study the effects of the MSSM contribution on B -> phi K decays using the perturbative QCD approach. In this approach, strong phases can be calculated, so that we can predict the values of CP asymmetries with the MSSM contribution. We…

High Energy Physics - Phenomenology · Physics 2009-11-10 Satoshi Mishima , A. I. Sanda

In this work, we investigate those $B_{c}\rightarrow D^{(*)}T$ decays in perturbative QCD approach, based on $k_T$ factorization, where T denotes a light tensor meson. For all decays considered in this work, there are no contributions from…

High Energy Physics - Phenomenology · Physics 2013-09-11 Zhi-Tian Zou , Xin Yu , Cai-Dian Lu

We study the rare decays $B^+ \to D^{(*)+}K^{(*)0}$, which can occur only via annihilation type diagrams in the standard model. We calculate all of the four modes, $B \to PP, VP, PV, VV$, in the framework of perturbative QCD approach and…

High Energy Physics - Phenomenology · Physics 2016-08-16 Ge-Liang Song , Cai-Dian Lü

We calculated the CP averaged branching ratios and CP-violating asymmetries of two-body charmless hadronic Bs->PP,PV decays with the QCDF approach, including the contributions from the chirally enhanced power corrections and weak…

High Energy Physics - Phenomenology · Physics 2009-05-11 Junfeng Sun , Guohuai Zhu , Dongsheng Du

I review the recent progress on the perturbative QCD approach to exclusive $B$ meson decays, discussing the comparison of collinear and $k_T$ factorizations, the CP asymmetry in the $B^0\to\pi^+\pi^-$ decay, penguin enhancement, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hsiang-nan Li

We analyze the CP asymmetries of $B\to \phi K$ and $B\to \eta^{(\prime)} K$ modes in the QCD improved factorization framework. For our calculation we use the phenomenological parameters predetermined from the global fit for the available…

High Energy Physics - Phenomenology · Physics 2014-11-17 Bhaskar Dutta , C. S. Kim , Sechul Oh , Guohuai Zhu

$B_s \to \rho(\omega) K^{\ast}$ are useful to determine the $B_s$ distribution amplitude, as well as constrain the CKM phase angle $\alpha$. We study these decays within the Perturbative QCD (PQCD) picture. In this approach, we calculate…

High Energy Physics - Phenomenology · Physics 2014-11-18 Jin Zhu , Yue-Long Shen , Cai-Dian Lu

In this paper, we calculated the branching ratios and direct CP violation of the four $B\to K\pi$ decays with the inclusion of all currently known next-to-leading order (NLO) contributions by employing the perturbative QCD (pQCD)…

High Energy Physics - Phenomenology · Physics 2014-08-19 Wei Bai , Min Liu , Ying-Ying Fan , Wen-Fei Wang , Shan Cheng , Zhen-Jun Xiao

In this paper, we studied systematically the semileptonic decays $B_s \to \phi l^+ l^-$ with $l^-=(e^-,\mu^-,\tau^-)$ by using the perturbative QCD (PQCD) and the "PQCD+Lattice" factorization approach, respectively. We first evaluated all…

High Energy Physics - Phenomenology · Physics 2021-09-15 Su-Ping Jin , Zhen-Jun Xiao

We make a systematic investigation on the two-body nonleptonic decays $B_c\rightarrow J/\Psi(\eta_c),M$ by employing the perturbative QCD approach based on $k_T$ factorization, where $M$ is a light pseudoscalar or vector or a heavy charmed…

High Energy Physics - Phenomenology · Physics 2015-01-06 Zhou Rui , Zhi-Tian Zou

We calculate the branching ratio of $D^0 \to \phi \bar K^0$ decay using the so-called perturbation QCD approach based on $k_T$ factorization. Our result shows this branching ratio is $(8.7 \pm1.4)\times 10^{-3}$, which is consistent with…

High Energy Physics - Phenomenology · Physics 2009-11-11 Dong-Sheng Du , Ying Li , Cai-Dian Lü

We investigate the CP-averaged branching ratios, the polarization fractions, the relative phases, and the CP-violating asymmetries of the penguin-dominated $B \to \phi K_1(1270) $ and $ \phi K_1(1400)$ decays in the perturbative QCD(pQCD)…

High Energy Physics - Phenomenology · Physics 2014-11-26 Xin Liu , Zhi-Tian Zou , Zhen-Jun Xiao

We calculate the CP-averaged branching ratios and CP-violating asymmetries for the two-body charmless hadronic decays $\Lambda_b \to p \pi, pK$ in the perturbative QCD (pQCD) approach to lowest order in $\alpha_s$. The baryon distribution…

High Energy Physics - Phenomenology · Physics 2009-11-20 Cai-Dian Lu , Yu-Ming Wang , Hao Zou , Ahmed Ali , Gustav Kramer

We study the branching ratios, the direct CP asymmetries in $B\to K^{(*)}\bar{K}^{(*)}$ decays and the polarization fractions of $B\to K^{*}\bar{K}^{*}$ decays by employing the QCD factorization in the minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2009-01-07 Rumin Wang , G. R. Lu , En-Ke Wang , Ya-Dong Yang

In this paper, we calculate the branching ratios and CP-violating asymmetries for \bar B^0_s \to f_0(980)K, f_0(1500)K within Perturbative QCD approach based on k_T factorization. If the mixing angle $\theta$ falls into the range of…

High Energy Physics - Phenomenology · Physics 2015-05-18 Zhi-Qing Zhang

The QCD factorization (QCDF) method usually contains infrared divergences which introduce large model dependence to its predictions on charmless B decays. The amplitudes of charmless B decays can be decomposed into "tree" and "penguin"…

High Energy Physics - Phenomenology · Physics 2014-11-20 Guohuai Zhu

Within the framework of the perturbative QCD approach, we study the two-body charmless decays $B\to K_1(1270)(K_1(1400))\pi(K)$. We find the following results: (i) The decays $\bar B^0\to K_1(1270)^+\pi^-, K_1(1400)^+\pi^-$ are incompatible…

High Energy Physics - Phenomenology · Physics 2015-06-23 Zhi-Qing Zhang , Zhi-Wei Hou , Yueling Yang , Junfeng Sun

We show that in the PQCD approach the $B\to \rho(\omega) K$ decays display not only the dynamical penguin enhancement, the mechanism responsible for the large branching ratios (BRs) of $B\to \phi K$ decays, but also the importance of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Chuan-Hung Chen

We study the factorization-forbidden decays $B\to h_c K$ and $B\to\chi_{c2}K$ in the QCD factorization approach. If neglecting the vertex corrections and regularizing the end-point singularities in spectator corrections properly, we get…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ce Meng , Ying-Jia Gao , Kuang-Ta Chao

In this paper, we study nonleptonic charmless B decays to two light pseudoscalar mesons within the frame of QCD factorization, including the contributions from the chirally enhanced power corrections and weak annihilation. Predictions for…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dongsheng Du , Haijun Gong , Junfeng Sun , Deshan Yang , Guohuai Zhu
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