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Related papers: Topological Diagrams and Hadronic Weak Decays of C…

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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

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

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

Many decays of light baryons consisting of light $u,d,s$ quarks have been measured, and these measurements will help us to understand the decay properties of light baryons. In this work, we study two-body nonleptonic weak decays of light…

High Energy Physics - Phenomenology · Physics 2020-08-18 Yuan-Guo Xu , Xiao-Dong Cheng , Jie-Lei Zhang , Ru-Min Wang

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 study charmless two-body baryonic $B$ decays using the topological amplitude approach. We extend a previous work to include all ground state octet and decuplet final states with full topological amplitudes. Relations on rates and CP…

High Energy Physics - Phenomenology · Physics 2014-03-26 Chun-Khiang Chua

The doubly charmed baryon was first observed by LHCb via the non-leptonic decay $\Xi_{cc}^{++}\to \Lambda^+_cK^-\pi^+\pi^+$ in 2017. Subsequently, ongoing efforts have been made to identify other doubly charmed baryons. However, there is no…

High Energy Physics - Phenomenology · Physics 2025-11-25 Si-Hong Liu , Ying-Xin Lai , Di Wang

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

The hadronic two-body weak decays of the doubly charmed baryons $\Xi_{cc}^{++}, \Xi_{cc}^+$ and $\Omega_{cc}^+$ are studied in this work. To estimate the nonfactorizable contributions, we work in the pole model for the $P$-wave amplitudes…

High Energy Physics - Phenomenology · Physics 2020-03-04 Hai-Yang Cheng , Guanbao Meng , Fanrong Xu , Jinqi Zou

We study the branching ratios and up-down asymmetries in the charmed baryon weak decays of ${\bf B}_c\to {\bf B}_DM$ with ${\bf B}_{c(D)}$ anti-triplet charmed (decuplet) baryon and $M$ pseudo-scalar meson states based on the flavor…

High Energy Physics - Phenomenology · Physics 2019-07-03 Chao-Qiang Geng , Chia-Wei Liu , Tien-Hsueh Tsai , Yao Yu

BESIII has accumulated 4.5 fb$^{-1}$ of $e^+e^-$ collision data in the 4.6 to 4.7 GeV energy range, corresponding to the world's largest sample of $\Lambda_c^+\bar{\Lambda}_c^-$ pairs. This paper summarizes recent BESIII results on…

High Energy Physics - Experiment · Physics 2026-04-17 Xudong Yu

Charm baryon decay plays an important role in studying non-perturbative baryonic transitions. Compared to other hadron multiplets, the flavor symmetry of baryon decuplet is more simple and attractive. In this work, we study the topological…

High Energy Physics - Phenomenology · Physics 2024-09-27 Di Wang

In the quark-diagram scheme, we study the charmed baryon decays of ${\bf B}_c\to {\bf B}^* M$, where ${\bf B}_c$ is $\Lambda_c^+$ or $\Xi_c^{+(0)}$, together with ${\bf B}^*$ ($M$) the decuplet baryon (pseudoscalar meson). It is found that…

High Energy Physics - Phenomenology · Physics 2021-08-24 Y. K. Hsiao , Qian Yi , Shu-Ting Cai , H. J. Zhao

We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as $\ldc\to\ld\pi^+,\Sigma^0\pi^+,p \bar K_0$, $\Xi_c^0\to\Xi^-\pi^+$ and $\Omega_c^0\to\Omega^-\pi^+$. The joint angular…

High Energy Physics - Phenomenology · Physics 2016-12-20 Dan Wang , Rong-Gang Ping , Lei Li , Xiao-Rui Lyu , Yang-Heng Zheng

The SU(3) analysis is considered a powerful tool in charmed baryon decays. Motivated by recent measurements of anti-triplet charmed baryon two-body decays from the Belle, Belle II, and BESIII Collaborations, we have finally determined the…

High Energy Physics - Phenomenology · Physics 2025-01-14 Jin Sun , Zhi-Peng Xing , Ruilin Zhu

In this work, we carry out a global fitting for the two-body weak decays of antitriplet charmed baryons in both SU(3) respected and broken scenarios incorporating all the available data up to date. In the SU(3) irreducible representation…

High Energy Physics - Phenomenology · Physics 2023-03-22 Huiling Zhong , Fanrong Xu , Qiaoyi Wen , Yu Gu

We study Cabibbo-favored (CF) and singly Cabibbo-suppressed (SCS) two-body hadronic weak decays of the antitriplet charmed baryons $\Lambda_c^+$, $\Xi_c^0$ and $\Xi_c^+$ with more focus on the last two. Both factorizable and nonfactorizable…

High Energy Physics - Phenomenology · Physics 2020-01-22 Jinqi Zou , Fanrong Xu , Guanbao Meng , Hai-Yang Cheng

We first give a brief overview of the charmed baryon spectroscopy and discuss their possible structure and spin-parity assignments in the quark model. With the new Belle measurement of the widths of $\Sigma_c(2455)$ and $\Sigma_c(2520)$ and…

High Energy Physics - Phenomenology · Physics 2015-10-14 Hai-Yang Cheng , Chun-Khiang Chua

There has been important experimental progress in the sector of heavy baryons in the past several years. We study the strong decays of the S-wave, P-wave, D-wave and radially excited charmed baryons using the $^3P_0$ model. After comparing…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong Chen , Xiao-Lin Chen , Xiang Liu , Wei-Zhen Deng , Shi-Lin Zhu
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