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

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Considering the $B$ mesonic wave function ${\phi}_{B2}$, the $B$ ${\to}$ $PV$ decays are restudied at the leading order for three scenarios using the perturbative QCD approach within the standard model, where $P$ $=$ ${\pi}$ and $K$, and…

High Energy Physics - Phenomenology · Physics 2022-08-05 Yueling Yang , Xule Zhao , Lan Lang , Jinshu Huang , Junfeng Sun

In this work, we explore the $P$-wave resonance contributions to the three-body charmonium decays of $B_c\to \Psi (V\to) P_1P_2$ using the perturbative QCD formalism at leading order, where $\Psi$ denotes a $S$-wave charmonium state, such…

High Energy Physics - Phenomenology · Physics 2026-05-11 Jia-Ying Wang , Jing Jiang , Yu-Jie Liu , Da-Cheng Yan , Zhou Rui , Zhen-Jun Xiao , Ya Li

New data from the BaBar, Belle, and CLEO Collaborations on B decays to two-body charmless final states are analyzed, with the following consequences: (1) The penguin amplitude which dominates the decay $B^+ \to \pi^+ K^{*0}$ has a magnitude…

High Energy Physics - Phenomenology · Physics 2014-11-17 Cheng-Wei Chiang , Jonathan L. Rosner

In this work, we study the ($S$, $P$ and $D$)-wave $K^+K^-$ contributions to $B\to KKK$ decays in the perturbative QCD approach at leading order. Within the two-meson wave functions describing the nonperturbative dynamics in the kaon-pair…

High Energy Physics - Phenomenology · Physics 2020-06-24 Zhi-Tian Zou , Ying Li , Qi-Xin Li , Xin Liu

We study the pure penguin decays $B \to \phi\pi$ and $B^0 \to \phi\phi$. Using QCD factorization, we find ${\cal B}(B^\pm \to\phi\pi^{\pm} )=2.0^{+0.3}_{-0.1}\times 10^{-8}$. For the pure penguin annihilation process $B^0 \to \phi\phi$,…

High Energy Physics - Phenomenology · Physics 2009-11-07 Shaouly Bar-Shalom , Gad Eilam , Ya-Dong Yang

In this work we study the quasi-two-body decays $B_c \to \ K^{*} h \to K \pi h (h = D, D_s, K, \pi, \eta, \eta')$ in the perturbative QCD (PQCD) approach. The two-meson distribution amplitudes (DAs) $\Phi^{\text{P-wave}}_{K\pi}$ are…

High Energy Physics - Phenomenology · Physics 2023-07-25 Zi-Yu Zhang , Zhi-Qing Zhang , Si-Yang Wang , Zhi-Jie Sun , You-Ya Yang

Inspired by the recent LHCb measurements and forthcoming great potential on $B_{c}$ meson, we study the exclusive $B_{c}$ ${\to}$ $B_{q}P$, $B_{q}V$ decays with the perturbative QCD approach, where $q$ $=$ $u$, $d$, $s$; $P$ and $V$ denote…

High Energy Physics - Phenomenology · Physics 2015-06-22 Junfeng Sun , Yueling Yang , Qin Chang , Gongru Lu

We study CP violation and the contribution of the strong kaon-pion interactions in the three body B --> K pi+ pi- decays. We extend our recent work on the effect of the two-pion S- and P-wave interactions to that of the corresponding…

High Energy Physics - Phenomenology · Physics 2011-03-23 B. El-Bennich , A. Furman , R. Kaminski , L. Lesniak , B. Loiseau , B. Moussallam

I review important aspects of the perturbative QCD approach to exclusive $B$ meson decays, concentrating on factorization theorem, gauge invariance, end-point singularities, $k_T$ and threshold resummations, power counting, penguin…

High Energy Physics - Phenomenology · Physics 2016-11-23 Hsiang-nan Li

We calculate the branching ratios and CP-violating asymmetries for $B^0 \to\omega \eta $, $\omega \eta^\prime$, $\phi \eta$ and $\phi \eta^\prime$ decays in the perturbative QCD (pQCD) factorization approach. The pQCD predictions for the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dong-Qin Guo , Xin-Fen Chen , Zhen-Jun Xiao

In this work, we study six tree-dominated $B \to a_1(1260) a_1(1260)$ and $b_1(1235) b_1(1235)$ decays in the perturbative QCD(pQCD) approach, where $a_1$($b_1$) is a $^3P_1$($^1P_1$) axial-vector meson. Based on the perturbative…

High Energy Physics - Phenomenology · Physics 2015-06-04 Xin Liu , Zhen-Jun Xiao

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 investigate the $B \to K^{*}\pi$ decays, one of hardly understandable processes among charmless B-meson decays, within the perturbative QCD method. Owing to the dynamically enhanced mechanism in PQCD, we obtain large branching ratios and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Y. -Y. Keum

The rare cascade $B_{s}$ ${\to}$ ${\phi}f_{0}(980)$ ${\to}$ ${\phi}\,{\pi}^{+}{\pi}^{-}$ decay is studied with the perturbative QCD approach based on the formula for the quasi two-body decay, where the two-pion pair originates from the…

High Energy Physics - Phenomenology · Physics 2019-08-06 Na Wang , Qin Chang , Yueling Yang , Junfeng Sun

The success of QCD factorization(QCDF) in predicting branching ratios for charmless $B$ decays to light pseudoscalar and vector mesons and the small CP asymmetries measured at $BABAR$, Belle and LHCb show that the phase in these decays, as…

High Energy Physics - Phenomenology · Physics 2016-06-29 T. N. Pham

We study penguin-mediated $\bar{B}_{d(s)}\to\bar{K}^{*0}(K^{*0})\phi$ transitions, proposing a new optimised observable $L_{K^*\phi}$ from the ratio of the corresponding branching ratios of these decays, with limited hadronic uncertainties…

High Energy Physics - Phenomenology · Physics 2024-07-22 Aritra Biswas , Sébastien Descotes-Genon , Joaquim Matias , Gilberto Tetlalmatzi-Xolocotzi

Branching fractions and CP-violating asymmetries of charmless $\bar B_s\to PP, VP, VV$ decays (P and V denoting pseudoscalar and vector mesons, respectively) are re-examined in the framework of QCD factorization (QCDF). We take into account…

High Energy Physics - Phenomenology · Physics 2010-01-07 Hai-Yang Cheng , Chun-Khiang Chua

The quasi-two-body $B \to D (R\to) K \pi$ decays are calculated in PQCD approach based on the $k_T$ factorization by introducing the wave functions of $K\pi$ pair associated with the resonances $K^*(892)$, $K_0^*(1430)$ and $K_2^*(1430)$.…

High Energy Physics - Phenomenology · Physics 2023-11-30 Wen-Sheng Fang , Zhi-Tian Zou , Ying Li

In this paper, we perform a global analysis of $B \to PP$ and $PV$ decays with the QCD factorization approach. It is encouraging to observe that the predictions of QCD factorization are in good agreement with experiment. The best fit…

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

Motivated by systematic observations of $ B_c $ decays at LHCb, we analyze $B_c^+ \to J/\psi (A, T)$ decays (where $A$ denotes axial-vector mesons $a_1(1260)^+$, $b_1(1235)^+$, and $T$ denotes tensor mesons $a_2(1320)^+$, $K_2^*(1430)^+$)…

High Energy Physics - Phenomenology · Physics 2026-03-24 Yun Zhao , Xian-Qiao Yu
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