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相关论文: Probing the soft rescattering parameters in $B$ de…

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Within the QCD factorization approach, we study the $CP$ violations in $B^-\rightarrow K^-\pi^+\pi^-$ and $B^-\rightarrow K^- f_0(500)$ decays. We find the experimental data of the localized $CP$ asymmetry in $B^-\rightarrow K^-\pi^+\pi^-$…

高能物理 - 唯象学 · 物理学 2018-11-14 Jing-Juan Qi , Zhen-Yang Wang , Zhen-Hua Zhang , Jing Xu , Xin-Heng Guo

In this work, we study the localized $CP$ violation in $B^-\rightarrow K^-\pi^+\pi^-$ and $B^-\rightarrow K^- \sigma(600)$ decays by employing the quasi two-body QCD factorization approach. Both the resonance and the nonresonance…

高能物理 - 唯象学 · 物理学 2019-04-24 Jing-Juan Qi , Zhen-Yang Wang , Xin-Heng Guo , Zhen-Hua Zhang , Chao Wang

The size of the direct CP asymmetry generated during the weak decay of hadrons is attributed to the weak phase and some strong phases. The weak phase comes from the CKM matrix and a strong phase may result from the resonance effect which is…

高能物理 - 唯象学 · 物理学 2025-04-24 Xi-Liang Yuan , Chao Wang , Zhuang-Dong Bai , Gang Lü

There exist many experimental indications that final-state interactions (FSIs) may play a prominent role not only in charmful B decays but also in charmless B ones. We examine the final-state rescattering effects on the hadronic B decay…

高能物理 - 唯象学 · 物理学 2014-11-18 Hai-Yang Cheng , Chun-Khiang Chua , Amarjit Soni

We discuss all contributions from inelastic SU(3)-symmetric rescattering in B decays into a final pair of pseudoscalar mesons $PP = \pi \pi$, $K\bar{K}$, $\pi K$. FSI-induced modifications of amplitudes obtained from the quark-line approach…

高能物理 - 唯象学 · 物理学 2014-11-17 P. Zenczykowski

We investigate to what extent the experimental information on $B \to \pi\pi$ branching fractions and CP asymmetries can be used to better understand the QCD dynamics in these decays. For this purpose we decompose the independent isospin…

高能物理 - 唯象学 · 物理学 2009-11-10 Thorsten Feldmann , Tobias Hurth

Within the perturbative QCD (PQCD) framework, we present a systematic investigation of charmless $B_s \to SP$ decays, where $S$ and $P$ denote scalar and pseudoscalar mesons, respectively. By employing two distinct structural scenarios for…

高能物理 - 唯象学 · 物理学 2025-02-07 Zhi-Tian Zou , Zhao-Xu He , Ya-Xin Wang , Ying Li

Inspired by the brilliant prospects of the ongoing $B$ meson experiments, the hadronic charmless $B$ ${\to}$ $SS$ decays are studied by considering the next-to-leading (NLO) contributions with the QCD factorization approach, where $S$…

高能物理 - 唯象学 · 物理学 2023-06-13 Lili Chen , Mengfei Zhao , Liting Wang , Yueyang Kang , Qin Chang , Junfeng Sun

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…

高能物理 - 唯象学 · 物理学 2021-09-16 Ya Li , Da-Cheng Yan , Zhou Rui , Zhen-Jun Xiao

The $B \to \pi$ and $B \to K$ transitions involved in hadronic B decays are investigated in a phenomenological way through the framework of QCD factorization. By comparing our results with experimental branching ratios from the BELLE, BABAR…

高能物理 - 唯象学 · 物理学 2010-02-17 O. Leitner , X. -H. Guo , A. W. Thomas

In this work, within the QCD factorization approach, we study the localized integrated $CP$ violation in the $B^-\rightarrow \pi^-\pi^+\pi^-$ decay and the branching fraction of the $B^-\rightarrow\sigma\pi^-$ decay. Both the resonance and…

高能物理 - 唯象学 · 物理学 2019-11-19 Jing-Juan Qi , Zhen-Yang Wang , Xin-Heng Guo , Zhen-Hua Zhang

Within the Standard Model, and if one assumes that soft rescattering effects are negligible, the CP asymmetry A^dir_CP (B^\pm -> \pi^\pm K) is predicted to be very small and the ratio R = BR(B_d -> \pi^\mp K^\pm)/BR(B^\pm -> \pi^\pm K)…

高能物理 - 唯象学 · 物理学 2010-11-23 Adam F. Falk , Alexander L. Kagan , Yosef Nir , Alexey A. Petrov

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 $f_0$…

高能物理 - 唯象学 · 物理学 2025-11-12 Min-Qi Li , Xin Liu , Zhi-Tian Zou , Ying Li , Zhen-Jun Xiao

We investigate $B \to K_0^*(1430) K^*$ decays in the perturbative QCD(pQCD) factorization approach, where $B$ denotes $B_u$, $B_d$ and $B_s$ meson respectively, and the scalar $K_0^*(1430)$ is considered as a meson based on the model of…

高能物理 - 唯象学 · 物理学 2015-06-17 Xin Liu , Zhen-Jun Xiao , Zhi-Tian Zou

In the two-quark model supposition for $f_0(980)$ and $K_0^{*}(1430)$, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^0\to f_0(980)\rho^0(\omega,\phi), K^{*0}_0(1430)\rho^0(\omega), K^{*-}_0(1430)\rho^+$…

高能物理 - 唯象学 · 物理学 2014-11-21 Zhi-Qing Zhang

In this paper, we analyze the scalar mesons $f_0(980)$ and $f_0(1500)$ from the decays $\bar B^0_s \to f_0(980)\pi^0, f_0(1500)\pi^0$ within Perturbative QCD approach. From the leading order calculations, we find that (a) in the allowed…

高能物理 - 唯象学 · 物理学 2010-12-09 Zhi-Qing Zhang

$CP$ violation of the decay $B^{\pm}\rightarrow \pi^{\pm}\pi^{+}\pi^{-}$ in the $f_{0}(500)-\rho(770)^{0}$ interfering region is analyzed. The forward-backward asymmetries (FBAs) and the corresponding $CP$ asymmetries FB-$CP$As are…

高能物理 - 唯象学 · 物理学 2022-12-14 Ya-Rui Wei , Zhen-Hua Zhang

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…

高能物理 - 唯象学 · 物理学 2011-07-19 Y. -Y. Keum

In this work, we study the localized $CP$ violation and the branching fraction of the four-body decay $\bar{B}^0\rightarrow K^-\pi^+\pi^-\pi^+$ by employing a quasi-two-body QCD factorization approach. Considering the interference of…

高能物理 - 唯象学 · 物理学 2020-10-27 Jing-Juan Qi , Zhen-Yang Wang , Jing Xu , Xin-Heng Guo

We have performed a numerical analysis of branching ratios and direct CP-asymmetries of B meson decays to two light pseudoscalar nonets with deltaS=1 using QCD improved factorization. The parameters related to B meson including its…

高能物理 - 唯象学 · 物理学 2015-06-16 Janardan P. Singh , N. G. Deshpande
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