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Related papers: Charmless two-body B decays: A global analysis wit…

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We study the quasi-two-body decays $B\to P D^{\ast}_0(2400) \to P D\pi $ with $P=(\pi, K, \eta, \eta^{\prime})$ in the perturbative QCD factorization approach. The predicted branching fractions for the considered decays are in the range of…

High Energy Physics - Phenomenology · Physics 2019-07-19 Bo-Yan Cui , Ying-Ying Fan , Fu-Hu Liu , Wen-Fei Wang

Based on the fitting results of the LHCb collaboration on the contributions of various intermediate resonances to the $B^{+}\to\pi^{+}\pi^{+}\pi^{-}$ decay, we make systematically calculate the branching fractions and localized $CP$…

High Energy Physics - Phenomenology · Physics 2024-05-27 Qin Chang , Lei Yang , Zhi-Tian Zou , Ying 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 quasi-two-body decays $B\to K^*\gamma\to K\pi\gamma$ in the perturbative QCD (PQCD) approach. The two-meson distribution amplitudes (DAs) are introduced to describe the final state interactions of the $K\pi$ pair,…

High Energy Physics - Phenomenology · Physics 2022-07-06 Zhi-Qing Zhang , Yan-Chao Zhao , Zhi-Lin Guan , Zhi-Jie Sun , Zi-Yu Zhang , Ke-Yi He

Using the factorization approach and considering the contributions of the current-current, QCD penguin and electroweak penguin operators at the leading approximation, the decay amplitudes and decay widths of $B_q\to D_q(D_q^*) P$ and…

High Energy Physics - Phenomenology · Physics 2010-02-01 K. Azizi , R. Khosravi , F. Falahati

Within the framework of QCD factorization (QCDF), power corrections due to penguin annihilation can account for the observed rates of penguin-dominated two-body decays of $B$ mesons and direct CP asymmetries $A_{CP}(K^-\pi^+)$,…

High Energy Physics - Phenomenology · Physics 2009-11-05 Hai-Yang Cheng , Chun-Khiang Chua

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

It is commonly believed that a careful investigation of the subleading terms is crucial for a better understanding of the $QCD$ factorization in charmless B decays. In this work the penguin-dominated $B\to K\pi$ decays are discussed…

High Energy Physics - Phenomenology · Physics 2011-01-27 Tao Huang , Lin Li , Xue-Qian Li , Zuo-Hong Li , Xiang-Yao Wu

We investigate the $B\to a_1(1260)(b_1(1235))\pi(K)$ decays under the factorization scheme and find many discrepancies between theoretical predictions and the experimental data. In the tree dominated processes, large contributions from…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei Wang , Run-Hui Li , Cai-Dian Lü

We analyze charmless two-body non-leptonic B decays $B \to PP, PV$ under the framework of factorization assisted topological amplitude approach, where $P(V)$ denotes a light pseudoscalar (vector) meson. Compared with the conventional flavor…

High Energy Physics - Phenomenology · Physics 2017-03-08 Si-Hong Zhou , Qi-An Zhang , Wei-Ran Lyu , Cai-Dian Lü

We improve the perturbative QCD (PQCD) formalism for multi-body charmless hadronic $B$ meson decays, such as $B\to VP_3\to P_1P_2P_3$, by resolving the possible discrepancy in parametrizing the contribution of the $P$-wave resonance $V$ to…

High Energy Physics - Phenomenology · Physics 2025-04-29 Da-Cheng Yan , Hsiang-nan Li , Zhou Rui , Zhen-Jun Xiao , Ya Li

We formulate the most-general time-dependent decay distributions of $B_s\to J/\psi (\to l^+l^-) \phi(\to K^+K^-)$ in which the direct CP violation is explicitly incorporated. We then investigate the $B \to J/\psi V$ decays in the…

High Energy Physics - Phenomenology · Physics 2015-07-13 Xin Liu , Wei Wang , Yuehong Xie

The charmless $B_{c}$ $\to$ $PP$, $PV$~(where $P$ and $V$ denote the light pseudoscalar and vector mesons, respectively) decays can occur only via the weak annihilation diagrams within the Standard Model and provide, therefore, an ideal…

High Energy Physics - Phenomenology · Physics 2016-02-24 Na Wang

The two body charmless decays of $B_s$ meson to light vector mesons are analyzed within the framework of QCD factorization. This approach implies that the nonfactorizable corrections to different helicity amplitudes are not the same. The…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xinqiang Li , Gongru Lu , Yadong Yang

By employing the perturbative QCD (PQCD) factorization approach, we made a systematic investigation for the CP-averaged branching ratios and the CP-violating asymmetries of the thirteen $\bar{B}^0_s \to PP $ decays ( here $P=(\pi,K, \eta,…

High Energy Physics - Phenomenology · Physics 2019-09-04 Da-Cheng Yan , Xin Liu , Zhen-Jun Xiao

With only the tree level operator, the decay of $\Lambda_b\rightarrow pK$ is predicted to be one order smaller than the experimental data. The QCD penguin effects should be taken into account. In this paper, we explore the one-loop QCD…

High Energy Physics - Phenomenology · Physics 2016-06-22 Jie Zhu , Hong-Wei Ke , Zheng-Tao Wei

We present fits to charmless strangeless hadronic B decay data for mean branching ratios and CP-violating asymmetries using the QCD factorization model of Beneke et al. Apart from one CP-violating parameter, the model gives a very good…

High Energy Physics - Phenomenology · Physics 2009-11-11 W. N. Cottingham , I. B. Whittingham , F. F. Wilson

In the framework of the factorization approach we calculate the branching fractions of 100 two-body nonleptonic decay channels in total, including 44 channels of the charm meson decays and 56 channels of the bottom meson decays. For charm…

High Energy Physics - Phenomenology · Physics 2023-04-26 Shuo-Ying Yu , Xian-Wei Kang , V. O. Galkin

Within the framework of perturbative QCD approach based on $\mathbf{k_T}$ factorization, we investigate the charmless decay mode $B \to K_0^*(1430)\phi$. Under two different scenarios (S1 and S2) for the description of scalar meson…

High Energy Physics - Phenomenology · Physics 2010-04-22 C. s Kim , Ying Li , Wei Wang

In this work, we studied the quasi-two-body decays $B_{(s)} \to \psi [K^*(892), K^*(1410),$ $K^*(1680)] \to \psi K\pi$ by employing the perturbative QCD (PQCD) factorization approach, where the charmonia $\psi$ represents $J/\psi$ and…

High Energy Physics - Phenomenology · Physics 2020-05-13 Ya Li , Zhou Rui , Zhen-Jun Xiao
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