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Related papers: Dynamically enhanced $B\to K^*\pi$ decays in pertu…

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Motivated by the first untagged decay-time-integrated amplitude analysis of $B_s \to K_SK^{\mp}\pi^{\pm}$ decays performed by LHCb collaboration, where the decay amplitudes are modeled to contain the resonant contributions from intermediate…

High Energy Physics - Phenomenology · Physics 2020-07-15 Zhi-Tian Zou , Ying Li , Xin Liu

Within the framework of perturbative QCD approach based on $k_T$ factorization, we studied 40 $B_c \to DS$ decay modes in the leading order and leading power, where "S" stands for the light scalar meson. Under two different scenarios (S1…

High Energy Physics - Phenomenology · Physics 2018-03-28 Zhi-Tian Zou , Ying Li , Xin Liu

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

We report measurements of CP violation parameters in $B^0 \to K^0 \pi^0$ decays based on a data sample of $657 \times 10^6 B\bar{B}$ pairs collected with the Belle detector at the KEKB $e^+ e^-$ asymmetric-energy collider. We use $B^0 \to…

High Energy Physics - Experiment · Physics 2019-08-13 M. Fujikawa , Y. Yusa

In this work, we investigate the resonant contributions of $K_0^*(1430)$ and $K_0^*(1950)$ in the three-body $B_{(s)}\to D_{(s)}K\pi$ within the perturbative QCD approach. The form factor $F_{k\pi}(s)$ are adopted to describe the…

High Energy Physics - Phenomenology · Physics 2023-06-21 Bo-Yan Cui , Ya-Hui Chen

In this work, we investigate the $B_s\to V S$ decays in the perturbative QCD approach, where $V$ and $S$ denote the vector meson and scalar meson respectively. Based on the two-quark structure, considering two different scenarios for…

High Energy Physics - Phenomenology · Physics 2022-02-09 Zhao-Wu Liu , Zhi-Tian Zou , Ying Li , Xin Liu , Jie Wang

In the framework of the perturbative QCD approach, we study the charmless pure weak annihilation Bc->KK decay and find that the branching ratio BR(Bc->KK) O(10^-7). This prediction is so tiny that the Bc->KK decay might be unmeasurable at…

High Energy Physics - Phenomenology · Physics 2011-11-10 Yue-Ling Yang , Jun-Feng Sun , Na Wang

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons based on a sample of about 88 million Y(4S)-->BB decays. From a time-independent fit…

High Energy Physics - Experiment · Physics 2009-09-29 The BABAR Collaboration , B. Aubert

In this work, we investigate the quasi-two-body decays $B_c\to D^*h\to D\pi h$ with $h = (K^0,\pi^0,\eta,\eta^{\prime})$ using the perturbative QCD(PQCD) approach. The description of final state interactions between the $D\pi$ pair is…

High Energy Physics - Phenomenology · Physics 2023-07-05 Yan-Chao Zhao , Zhi-Qing Zhang , Zi-Yu Zhang , Zhi-Jie Sun , Qiu-Bo Meng

Recently the branching ratios for $B^+\to K^+\bar K^0$ and $B^0 \to K^0 \bar K^0$ have been measured. Data indicate that the annihilation amplitudes in these decays are not zero. A non-zero annihilation amplitude plays an important role in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xi-Qing Hao , Xiao-Gang He , Xue-Qian Li

We reexamine the branching ratios, $CP$-asymmetries, and other observables in a large number of $B_q\to VV(q=u,d,s)$ decays in the perturbative QCD (PQCD) approach, where $V$ denotes a light vector meson $(\rho, K^*, \omega, \phi)$. The…

High Energy Physics - Phenomenology · Physics 2015-04-01 Zhi-Tian Zou , Ahmed Ali , Cai-Dian Lu , Xin Liu , Ying Li

Motivated by recent CELO measurements and the progress of the theory of B decays, we investigate $B\to P V(P=\pi,K. V= K^{*},\rho,\omega)$ decay modes in the framework of QCD improved factorization. We find that all the measured branching…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mao-Zhi Yang , Ya-Dong Yang

We evaluate $B\to K\pi$ decay amplitudes in perturbative QCD picture. It is found that penguin contributions are dynamically enhanced by nearly 50% compared to those assumed in the factorization approximation. It is also shown that…

High Energy Physics - Phenomenology · Physics 2009-10-31 Yong-Yeon Keum , Hsiang-nan Li , A. I. Sanda

Motivated by the idea of fragmented scalar glueball, we investigate the decays $B^0 \to \eta_c f_0$ within the improved perturbative QCD (iPQCD) framework by including the known next-to-leading order corrections. Here, $B^0$ and $f_0$…

High Energy Physics - Phenomenology · Physics 2025-11-12 Min-Qi Li , Xin Liu , Zhi-Tian Zou , Ying Li , Zhen-Jun Xiao

In the two-quark model supposition for the meson $a_0(1450)$, which can be viewed as either the first excited state (scenario I) or the lowest lying state (scenario II), the branching ratios and the direct CP-violating asymmetries for…

High Energy Physics - Phenomenology · Physics 2011-06-07 Zhi-Qing Zhang

The recent observation of B^0_d->\pi^0\pi^0 and \bar{B}^0_d->\pi^0\pi^0 decay modes allows us to make a fresh isospin analysis of B->\pi\pi transitions. We find that current experimental data can impose some model-independent constraints on…

High Energy Physics - Phenomenology · Physics 2014-11-17 Zhi-zhong Xing

In this paper, we focus on the role of power corrections in QCD factorization(QCDF) method in charmless two-body nonleptonic $B$ meson decays. We use the ratio of the branching fraction of $B^+ \to \pi^+ K^{\ast 0}$ to that of $B^0 \to…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. N. Pham , Guohuai Zhu

We report a Dalitz plot analysis of charmless hadronic decays of charged $B$ mesons to the final state $K_{\rm S}^{0}\pi^{+}\pi^{0}$ using the full BaBar dataset of $470.9\pm2.8$ million $B\bar{B}$ events collected at the $\Upsilon(4S)$…

High Energy Physics - Experiment · Physics 2022-02-10 J. P. Lees

In the framework of Perturbative QCD (PQCD) approach we study the direct $CP$ asymmetry for the decay channel $\bar{B}_{s}\rightarrow P\pi^+\pi^-$ around the resonance range via the $\rho-\omega$ mixing mechanism (where P refer to…

High Energy Physics - Phenomenology · Physics 2018-07-25 Gang Lü , Yu-Ting Wang , Qin-Qin Zhi

The $\bar{B}_{q}^{\ast}$ ${\to}$ $DP$, $DV$ weak decays are studied with the perturbative QCD approach, where $q$ $=$ $u$, $d$ and $s$; $P$ and $V$ denote the ground $SU(3)$ pseudoscalar and vector meson nonet. It is found that the…

High Energy Physics - Phenomenology · Physics 2017-08-28 Junfeng Sun , Jie Gao , Yueling Yang , Qin Chang , Na Wang , Gongru Lu , Jinshu Huang