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Related papers: B \to K_0^*(1430) \eta^{(\prime)} decays in the pQ…

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In this article, we take the scalar mesons $K^*_0(1430)$ and $a_0(1450)$ as the conventional two-quark states, and study the $B \to K^*_0(1430), a_0(1450)$ form-factors with the $B$-meson light-cone QCD sum rules, then take those…

High Energy Physics - Phenomenology · Physics 2015-03-17 Zhi-Gang Wang , Jun-Fang Li

We study the decay processes of $B\rightarrow \rho\eta$, $\rho\eta^{\prime}$ in the perturbative quantum chromodynamics (QCD) approach with a few improvements incorporated in it, where the contributions with large momentum transfer are…

High Energy Physics - Phenomenology · Physics 2025-02-07 Yun-Han Gui , Mao-Zhi Yang

The $W$-exchange process $B_{s}$ ${\to}$ ${\eta}_{c}(J/{\psi})D$ is studied with the perturbative QCD approach. Three kinds of wave functions for $B_{s}$ meson and two forms of wave functions for charmonium are considered. It is estimated…

High Energy Physics - Phenomenology · Physics 2015-06-15 Junfeng Sun , Zhengjun Xiong , Yueling Yang , Gongru Lu

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 studied the B meson decays $B\to J/\Psi K_1(1270,1400)$ in the pQCD approach beyond the leading order. With the vertex corrections and the NLO Wilson coefficients included, the branching ratios of the considered decays are $Br(B^+\to…

High Energy Physics - Phenomenology · Physics 2019-04-23 Zhi-Qing Zhang , Hongxia Guo , Si-Yang Wang

We study the three-body baryonic $B\to {\bf B\bar B'}M$ decays with $M$ representing the $\eta$ or $\eta'$ meson. Particularly, we predict that ${\cal B}(B^-\to\Lambda\bar p\eta,\Lambda\bar p\eta')=(5.3\pm 1.4,3.3\pm 0.7)\times 10^{-6}$ or…

High Energy Physics - Phenomenology · Physics 2019-05-28 Y. K. Hsiao , C. Q. Geng , Yao Yu , H. J. Zhao

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 investigate the branching ratios and direct CP asymmetries of $B_c^+\to D^0\pi^+$ and $B_c^+\to D^+\pi^0$ decays in the PQCD approach. All the diagrams with emission topology or annihilation topology are calculated strictly. A branching…

High Energy Physics - Phenomenology · Physics 2009-01-07 Jian-Feng Cheng , Dong-Sheng Du , Cai-Dian Lu

In this paper, we calculate the branching ratio and direct CP asymmetry parameter of $B_c^{\pm}\to D^{0}K^{\pm}$ in the framework of perturbative QCD approach based on $k_T$ factorization. Besides the usual factorizable diagrams, both…

High Energy Physics - Phenomenology · Physics 2014-11-18 Jun Zhang , Xian-Qiao Yu

In this paper, we compare the branching ratio and rate difference of electron channel to muon channel of $B \rar K_0^\ast (1430) \ell^+ \ell^-$ and $B \rar K^\ast \ell^+ \ell^-$decays, where $K_0^\ast (1430)$ is the p--wave scalar meson, in…

High Energy Physics - Phenomenology · Physics 2015-03-13 V. Bashiry , M. Bayar , K. Azizi

In this work, we provide estimates of the branching ratios, direct $CP$ asymmetries and triple product asymmetries in $B_{(s)} \to (\pi\pi)(K\pi)$ decays in the perturbative QCD approach, where the $\pi\pi$ and $K\pi$ invariant mass spectra…

High Energy Physics - Phenomenology · Physics 2021-09-16 Ya Li , Da-Cheng Yan , Zhou Rui , Zhen-Jun Xiao

In this paper, we investigate the quasi-two-body decays $B_c \to K_0^{*}(1430,1950) D_{(s)} \to K \pi D_{(s)}$ within the perterbative QCD (PQCD) framework. The S-wave two-meson distribution amplitudes (DAs) are introduced to describe the…

High Energy Physics - Phenomenology · Physics 2024-10-10 Zhi-Qing Zhang , Zi-Yu Zhang , Ming-Xuan Xie , Ming-Yang Li , Hong-Xia Guo

We compute the decay rates for the exclusive decays $B^{\pm} \to (\eta^{\prime},\eta) (K^{\pm}, K^{*\pm})$ and $B^{0}\to (\eta^{\prime},\eta) (K^{0}, K^{*0})$ in a QCD-improved factorization framework by including the contribution from the…

High Energy Physics - Phenomenology · Physics 2011-01-05 A. Ali , J. Chay , C. Greub , P. Ko

We have investigated the exclusive, radiative B-meson decay to K_2^*(1430) in 88.5 * 10^6 BBbar events. We present a preliminary measurement of the branching fractions BR(B->K^*_2(1430)^0 gamma) = (1.22+-0.25+-0.11) * 10^{-5} and…

High Energy Physics - Experiment · Physics 2008-11-26 The BABAR Collaboration , B. Aubert

The ${\eta}_{c}(1S)$ ${\to}$ $PP^{\prime}$ decays are the parity violation modes. These decays can be induced by the weak interactions within the standard model, and have been searched for based on the available experimental data. To meet…

High Energy Physics - Phenomenology · Physics 2021-08-17 Yueling Yang , Xule Zhao , Shuangshi Fang , Jinshu Huang , Junfeng Sun

In this work, we calculate the $CP$-averaged branching ratios and the direct $CP$-violating asymmetries of the quasi-two-body decays $B_{(s)} \to P (\rho \to) \pi\pi$ by employing the perturbative QCD (PQCD) approach (here $P$ stands for a…

High Energy Physics - Phenomenology · Physics 2017-09-14 Ya Li , Ai-Jun Ma , Zhen-Jun Xiao , Wen-Fei Wang

We study the exclusive decays of $B\to K^{(*)}\ell^+ \ell^-$ by the results in the perturbative QCD with the heavy quark effective theory and lattice calculations. We obtain the form factors for the $B\to K^{(*)}$ transitions in the whole…

High Energy Physics - Phenomenology · Physics 2009-11-07 Chuan-Hung Chen , C. Q. Geng

We probe the inner structure of the meson $D^*_{s0}(2317)$ through the decays of $B_{(s)}$ to two charmed mesons within pQCD approach. Assuming $D^*_{s0}(2317)$ as a scalar meson with $\bar cs$ structure, we find that the predictions for…

High Energy Physics - Phenomenology · Physics 2021-07-07 Zhi-Qing Zhang , Meng-Ge Wang , Yan-Chao Zhao , Zhi-Lin Guan , Na Wang

We present measurements of branching fractions and charge asymmetries for the decays etaK*, where K* indicates a spin 0, 1, or 2 Kpi system. The data sample corresponds to 344x10^6 BBbar pairs collected with the BABAR detector at the PEP-II…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

In this work, we analyze the three-body $B_{(s)} \to \eta_c(1S,2S) K \pi$ decays within the framework of the perturbative QCD approach (PQCD) under the quasi-two-body approximation, where the kaon-pion invariant mass spectra are dominated…

High Energy Physics - Phenomenology · Physics 2020-04-21 Ya Li , Da-Cheng Yan , Zhou Rui , Zhen-Jun Xiao
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