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Related papers: $B_{c}$ ${\to}$ $BP$, $BV$ decays with the QCD fac…

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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

In this paper we first calculate the form factors of $B \to (\pi,K)$ and $B_s \to K $ transitions by employing the perturbative QCD (pQCD) factorization approach with the inclusion of the next-to-leading-order(NLO) corrections, and then we…

High Energy Physics - Phenomenology · Physics 2013-05-30 Wen-Fei Wang , Zhen-Jun Xiao

In this paper we calculate the branching ratios (BRs) of the 32 charmless hadronic $B_c \to A P$ decays ($A=a_1(1260),b_1(1235),K_1(1270),K_1(1400), f_1(1285),f_1(1420),h_1(1170),h_1(1380)$) by employing the perturbative QCD(pQCD)…

High Energy Physics - Phenomenology · Physics 2010-04-22 Xin Liu , Zhen-Jun Xiao

The Cabibbo-suppressed non-leptonic decays of B (and D) mesons to final states involving tensor mesons are computed using the non-relativistic quark model of Isgur-Scora-Grinstein-Wise with the factorization hypothesis. We find that some of…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. H. Munoz , A. A. Rojas , G. Lopez Castro

We review selected topics in the field of nonleptonic and rare B meson decays. We concentrate in particular on exclusive channels, discussing recent developments based on the concepts of factorization in QCD and the heavy-quark limit.

High Energy Physics - Phenomenology · Physics 2007-05-23 Gerhard Buchalla

With the potential prospects of the ${\Upsilon}(1S)$ data samples at the running LHC and upcoming SuperKEKB, the ${\Upsilon}(1S)$ ${\to}$ $B_{c}{\rho}$ weak decays are studied with the pQCD approach. It is found that (1) the lion's share of…

High Energy Physics - Phenomenology · Physics 2016-07-26 Junfeng Sun , Yueling Yang , Qingxia Li , Gongru Lu , Jinshu Huang , Qin Chang

We calculate the semileptonic branching ratio and the charm counting of inclusive $B$ meson decays using the perturbative QCD formalism. For the nonleptonic decays, we employ the modified factorization theorem, in which Wilson coefficients…

High Energy Physics - Phenomenology · Physics 2011-01-25 Chia-Hung V. Chang , Darwin Chang , We-Fu Chang , Hsiang-nan Li , Hoi-Lai Yu

We review and update the branching ratios for the $B \to (\rho,\omega) \gamma$ decays, calculated in the QCD factorization approach in the next-to-leading order (NLO) in the strong coupling $\alpha_s$ and to leading power in $\Lambda_{\rm…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ahmed Ali , Alexander Parkhomenko

Motivated by the powerful capability of measurement for the $b$-flavored hadron rare decays at LHC and SuperKEKB/Belle-II, the nonleptonic $\bar{B}^{\ast}$ ${\to}$ $D\bar{D}^{\ast}$, $D{\rho^-}$, $DK^{\ast-}$, ${\pi}D^{\ast}$ and…

High Energy Physics - Phenomenology · Physics 2016-05-06 Qin Chang , Xiaohui Hu , Junfeng Sun , Xiaolin Wang , Yueling Yang

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 two-body nonleptonic B decays using the factorization method. The recent measured decays by CLEO Collaboration can be explained in the factorization approach. We propose a number of ratios of branching ratios to determine…

High Energy Physics - Phenomenology · Physics 2009-10-31 Cai-Dian Lu

Rates and CP asymmetries of the non-leptonic two-body decay of $B_c$ are calculated based on the low energy effective Hamiltonian. We concentrate on such $b$ quark decays of the processes with $0^-$ and $1^-$ S-wave particles and/or $0^+$…

High Energy Physics - Phenomenology · Physics 2016-01-05 Hui-feng Fu , Yue Jiang , C. S. Kim , Guo-Li Wang

We calculate the CP-averaged branching ratios and CP-violating asymmetries of a number of two-body charmless hadronic decays $\bar{B_s^0} \to PP, PV, VV$ in the perturbative QCD (pQCD) approach to leading order in $\alpha_s$ (here $P$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ahmed Ali , Gustav Kramer , Ying Li , Cai-Dian Lu , Yue-Long Shen , Wei Wang , Yu-Ming Wang

Two-body charmless hadronic $B_c$ decays involving a light $1^3\!P_2$-tensor($T$) meson are investigated for the first time within the framework of perturbative QCD(pQCD) at leading order, in which the other meson is the lightest…

High Energy Physics - Phenomenology · Physics 2017-07-26 Xin Liu , Run-Hui Li , Zhi-Tian Zou , Zhen-Jun Xiao

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

We study the $B(B_{s})\rightarrow D_{(s)}(\bar{D}_{(s)})\,T$ and $D_{(s)}^{\ast}(\bar{D}_{(s)}^{*})\,T$ decays in perturbative QCD approach, where T denotes a light tensor meson. In addition to the branching ratios, we also give predictions…

High Energy Physics - Phenomenology · Physics 2012-09-18 Zhi-Tian Zou , Xin Yu , Cai-Dian Lu

We compare the theoretical frameworks and the phenomenological applications of the factorization approaches to exclusive $B$ meson decays, which include QCD-improved factorization, perturbative QCD, and soft-collinear effective theory.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hsiang-nan Li

Recently, the Belle II Collaboration reported the branching fraction $\mathcal{B}(B^+ \to K^+ \nu \bar{\nu})=(2.3\pm0.7)\times10^{-5}$ with a significance of $3.5\sigma$, which is $2.7\sigma$ above the SM expectation. Motivated by this…

High Energy Physics - Phenomenology · Physics 2025-06-17 Chao-Qi Zhang , Jin Sun , Zhi-Peng Xing , Rui-Lin Zhu

We analyzed the nonleptonic decays $B/B_s\to \psi(2S) V $ with $V=(\rho, \omega, K^{*}, \phi)$ by employing the perturbative QCD (PQCD) factorization approach. Here the branching ratios, the $CP$ asymmetries and the complete set of…

High Energy Physics - Phenomenology · Physics 2017-09-18 Zhou Rui , Ya Li , Zhen-Jun Xiao

Considering the $B$ mesonic distribution amplitude ${\phi}_{B2}$, we reinvestigated the $B$ ${\to}$ $PP$ (where $P$ $=$ ${\pi}$ and $K$) decays with the perturbative QCD (pQCD) approach based on the $k_{T}$ factorization for three…

High Energy Physics - Phenomenology · Physics 2021-03-15 Yueling Yang , Lan Lang , Xule Zhao , Jinshu Huang , Junfeng Sun