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Related papers: Studying Two-body Nonleptonic Weak Decays of Hyper…

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There exist two distinct ways in realizing the approximate SU(3) flavor symmetry of QCD to describe the two-body nonleptonic decays of charmed baryons: the irreducible SU(3) approach (IRA) and the topological diagram approach (TDA). The TDA…

High Energy Physics - Phenomenology · Physics 2025-01-08 Hai-Yang Cheng , Fanrong Xu , Huiling Zhong

We perform a global fit to the experimental data of two-body charmed baryon decays based on the topological diagrammatic approach (TDA) and take into account the phase shifts between $S$- and $P$-wave amplitudes as inspired by the recent…

High Energy Physics - Phenomenology · Physics 2024-05-22 Huiling Zhong , Fanrong Xu , Hai-Yang Cheng

The semileptonic decays and two-body nonleptonic decays of light baryon octet ($T_8$) and decuplet ($T_{10}$) consisting of light $u,d,s$ quarks are studied with the SU(3) flavor symmetry in this work. We obtain the amplitude relations…

High Energy Physics - Phenomenology · Physics 2019-10-23 Ru-Min Wang , Mao-Zhi Yang , Hai-Bo Li , Xiao-Dong Cheng

Analyses of heavy mesons and baryons hadronic charmless decays using the flavor SU(3) symemtry can be formulated in two different forms. One is to construct the SU(3) irreducible representation amplitude (IRA) by decomposing effective…

High Energy Physics - Phenomenology · Physics 2020-03-23 Xiao-Gang He , Yu-Ji Shi , Wei Wang

Inspired by the recent BESIII measurement of the decay asymmetry and the phase shift between $S$- and $P$-wave amplitudes in the decay $\Lambda_c^+\to \Xi^0K^+$, we perform a global fit to the experimental data of charmed baryon decays…

High Energy Physics - Phenomenology · Physics 2024-03-05 Huiling Zhong , Fanrong Xu , Hai-Yang Cheng

This paper present a systematic study of hyperon non-leptonic two-body decays induced by light quark transitions, particularly the $s \rightarrow u\bar{u}d$ process, within the framework of SU(3) flavor symmetry. The effective weak…

High Energy Physics - Phenomenology · Physics 2025-05-27 Xin Wu , Qi Chen , Ye Xing , Zhi-Peng Xing , Ruilin Zhu

For the two-body ${\bf B}_c\to{\bf B}M$ decays, where ${\bf B}_c$ denotes the anti-triplet charm baryon and ${\bf B}(M)$ the octet baryon (meson), there exist two theoretical studies based on the $SU(3)$ flavor [$SU(3)_f$] symmetry. One is…

High Energy Physics - Phenomenology · Physics 2023-04-25 Y. K. Hsiao , Y. L. Wang , H. J. Zhao

The weak and electromagnetic radiative baryon decays of octet $T_{8}$, decuplet $T_{10}$, single charmed anti-triplet $T_{c3}$ and sextet $T_{c6}$, single heavy bottomed anti-triplet $T_{b3}$ and sextet $T_{b6}$ are investigated by using…

High Energy Physics - Phenomenology · Physics 2021-02-12 Ru-Min Wang , Xiao-Dong Cheng , Ying-Ying Fan , Jie-Lei Zhang , Yuan-Guo Xu

We systematically study two-body nonleptonic decays of light lambda hyperon $\Lambda \to p \pi^- (n\pi^0)$ with account for both short- and long-distance effects. The short-distance effects are induced by five topologies of external and…

High Energy Physics - Phenomenology · Physics 2021-10-12 Mikhail A. Ivanov , Jürgen G. Körner , Valery E. Lyubovitskij , Zhomart Tyulemissov

Motivated by recent anomalies in FCNC $b\to s\ell^+\ell^-$, we study $B_1\to B_2\ell^+\ell^-(\ell=e,\mu,\tau)$ semi-leptonic weak decays with the SU(3) flavor symmetry, where $B_{1,2}$ are the spin-1/2 baryons of single bottomed…

High Energy Physics - Phenomenology · Physics 2021-02-02 Ru-Min Wang , Yuan-Guo Xu , Chong Hua , Xiao-Dong Cheng

In this work, we further develop the application of the topological diagram approach (TDA) to charmed baryon weak decays $\mathcal{B}_c \to \mathcal{B} V$ with a vector meson in the final state. By incorporating the Korner-Pati-Woo theorem,…

High Energy Physics - Phenomenology · Physics 2026-05-28 Yixuan Wu , Fanrong Xu , Hai-Yang Cheng

Charmed baryon decay plays an important role in studying the weak and strong interactions. Topological diagram is an intuitive tool for analyzing the dynamics of heavy hadron decays. In this work, we investigate the topological diagrams of…

High Energy Physics - Phenomenology · Physics 2024-11-12 Di Wang , Jin-Feng Luo

Baryons with three heavy quarks are the last missing pieces of the lowest-lying baryon multiplets in the quark model after the discovery of doubly heavy baryons. In this work, we study nonleptonic weak decays of triply heavy baryons…

High Energy Physics - Phenomenology · Physics 2021-11-24 Fei Huang , Ji Xu , Xi-Ruo Zhang

In this work, we perform a analysis of semi-leptonic and nonleptonic weak decays of heavy baryons: $\Lambda_{b},\Xi_{b},\Omega_{b}$ and $\Lambda_{c},\Xi_{c},\Omega_{c}$. For nonleptonic decay modes, we study only the factorizable channels…

High Energy Physics - Phenomenology · Physics 2018-09-26 Zhen-Xing Zhao

Based on SU(3) flavor symmetry, we decompose the decay amplitudes of bottom baryon decays to a pseudoscalar meson and an octet (a decuplet) pentaquark in terms of three (two) invariant amplitudes $T_1$ and $T_{2,3}$ ($\tilde T_1$ and…

High Energy Physics - Phenomenology · Physics 2015-12-02 Hai-Yang Cheng , Chun-Khiang Chua

A large amount of data on hadronic two body weak decays of anti-triplet charmed baryons $T_{c\bar 3}$ to an octet baryon $T_8$ and an octet or singlet pseudoscalar meson $P$, $T_{c \bar 3} \to T_8 P$, have been measured. The SU(3) flavor…

High Energy Physics - Phenomenology · Physics 2023-11-06 Zhi-Peng Xing , Xiao-Gang He , Fei Huang , Chang Yang

We have made a survey of heavy-to-heavy and heavy-to-light nonleptonic heavy baryon two-body decays and have identified those decays that proceed solely via $W$-boson emission, i.e. via the tree graph contribution. Some sample decays are…

High Energy Physics - Phenomenology · Physics 2018-10-16 Thomas Gutsche , Mikhail A. Ivanov , Jürgen G. Körner , Valery E. Lyubovitskij

Flavor SU(3) analysis of heavy meson ($B$ and $D$) hadronic charmless decays can be formulated in two different ways. One is to construct the SU(3) irreducible representation amplitude (IRA) by decomposing effective Hamiltonian according to…

High Energy Physics - Phenomenology · Physics 2018-09-20 Xiao-Gang He , Wei Wang

We study the non-leptonic two-body weak decays of $\Lambda_c^+(2286)\to {\bf B}_n M$ with ${\bf B}_n$ ($M$) representing as the baryon (meson) states. Based on the $SU(3)$ flavor symmetry, we can describe most of the data reexamined by the…

High Energy Physics - Phenomenology · Physics 2017-12-05 C. Q. Geng , Y. K. Hsiao , Yu-Heng Lin , Liang-Liang Liu

We explore the two-body non-leptonic weak decays of $\Omega_c^0$ into final states ${\bf B}^{(*)}M$ and ${\bf B}^{(*)}V$, where ${\bf B}^{(*)}$ denotes an octet (a decuplet) baryon and $M(V)$ represents a pseudoscalar (vector) meson. We…

High Energy Physics - Phenomenology · Physics 2025-01-24 Y. L. Wang , H. J. Zhao , Y. K. Hsiao
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