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Related papers: Hadronic weak decays of the charmed baryon $\Omega…

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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

Doubly Cabibbo-suppressed (DCS) nonleptonic weak decays of antitriplet charmed baryons are studied systematically in this work. The factorizable and nonfactorizable contributions can be classified explicitly in the topological-diagram…

High Energy Physics - Phenomenology · Physics 2020-12-30 Guanbao Meng , Sam Ming-Yin Wong , Fanrong Xu

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

The LHCb Collaboration announced the observation of doubly charmed baryon through $\Xi_{c c}^{++} \rightarrow \Lambda_{c}^{+} K^{-} \pi^{+} \pi^{+}$ in 2017. Since then, a series of studies of doubly heavy baryons have been presented.…

High Energy Physics - Phenomenology · Physics 2021-02-01 De-Min Li , Xi-Ruo Zhang , Ye Xing , Ji Xu

Cabibbo-allowed nonleptonic weak decays of charmed baryons $\lamc,~\xin,~\xip$ and $\Omega_c^0$ into an octet baryon and a pseudoscalar meson are analyzed. The nonfactorizable contributions are evaluated under pole approximation, and it…

High Energy Physics - Phenomenology · Physics 2014-11-17 Hai-Yang Cheng , B. Tseng

Cabibbo-allowed two-body hadronic weak decays of bottom baryons are analyzed. Contrary to the charmed baryon sector, many channels of bottom baryon decays proceed only through the external or internal W-emission diagrams. Moreover,…

High Energy Physics - Phenomenology · Physics 2009-10-30 Hai-Yang Cheng

We investigate two-body Cabibbo-angle enhanced weak decays of charmed baryons into octet baryon and pseudoscalar meson in the current algebra framework with inclusion of the factorization terms which are evaluated using the HQET guided…

High Energy Physics - Phenomenology · Physics 2011-08-11 K. K. Sharma , R. C. Verma

We analyze the two-body nonleptonic weak decays of charmed baryons, employing the pole approximation in tandem with the $SU(3)_F$ symmetry. We are able to make novel predictions for decay channels of $\Omega_c^0 \to {\bf B}_n P$ and ${\bf…

High Energy Physics - Phenomenology · Physics 2024-01-30 Chia-Wei Liu

We study singly Cabibbo-suppressed two-body hadronic decays of the charmed baryon $\Lambda_c^+$, namely, $\Lambda_c^+\to \Lambda K^+, p\pi^0, p\eta, n\pi^+,\Sigma^0K^+,\Sigma^+ K^0$. We use the measured rate of $\Lambda_c^+\to p\phi$ to fix…

High Energy Physics - Phenomenology · Physics 2018-05-09 Hai-Yang Cheng , Xian-Wei Kang , Fanrong Xu

We study two-body weak decays of charmed baryons \Lambda_c and \Xi_c into an octet or decuplet baryon and a pseudoscalar meson employing the SU(3) flavor symmetry. Using certain measured Cabibbo-favored modes, we fix the reduced amplitudes…

High Energy Physics - Phenomenology · Physics 2009-10-30 K. K. Sharma , R. C. Verma

In this work, we investigate the two-body nonleptonic decays of double-charmed baryon $\Omega_{cc}^{+}$ within a nonrelativistic quark model, in which the nonfactorizable amplitudes contributed by $W$-exchange diagrams are evaluated under…

High Energy Physics - Phenomenology · Physics 2026-03-13 Yu-Shuai Li

After the experimental establishment of doubly heavy baryons, baryons with three quarks are the last missing pieces of the lowest-lying baryon multiplets in quark model. In this work we study semileptonic and nonleptonic weak decays of…

High Energy Physics - Phenomenology · Physics 2018-05-30 Wei Wang , Ji Xu

The newly-discovered $\Xi_{cc}^{++}$ decays into the $ \Lambda_{c}^+ K^-\pi^+\pi^+$, but the experimental data has indicated that this decay is not saturated by any two-body intermediate state. In this work, we analyze the multi-body weak…

High Energy Physics - Phenomenology · Physics 2018-01-26 Yu-Ji Shi , Wei Wang , Ye Xing , Ji Xu

The two body Cabibbo favored hadronic decays of charmed baryons $\Lambda^{+}_{c}$, $\Xi^{+}_{c}$ and $\Xi_{c}^{0}$ into an octet or decuplet baryon and a pseudoscalar meson are examined in the SU(3) symmetry scheme. The numerical estimates…

High Energy Physics - Phenomenology · Physics 2009-10-28 R. C. Verma , M. P. Khanna

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

Very recently, the LHCb collaboration has observed in the final state $\Lambda_c^+ K^-\pi^+\pi^+$ a resonant structure that is identified as the doubly-charmed baryon $\Xi_{cc}^{++}$. Inspired by this observation, we investigate the weak…

High Energy Physics - Phenomenology · Physics 2017-11-27 Wei Wang , Fu-Sheng Yu , Zhen-Xing Zhao

The heavy quark effective theory and the factorization approximation are used to treat the Cabibbo-suppressed decays of charmed baryons to vector mesons, $\Lambda_C\rightarrow p{\rho^0}, p\omega$, $\Xi_C^{+,0}\rightarrow\Sigma^{+,0}\phi,…

High Energy Physics - Phenomenology · Physics 2009-10-28 Paul Singer , Da-Xin Zhang

We study in this work the two-body hadronic charmed meson decays, including both the PP and VP modes. The latest experimental data are first analyzed in the diagrammatic approach. The magnitudes and strong phases of the flavor amplitudes…

High Energy Physics - Phenomenology · Physics 2010-05-28 Hai-Yang Cheng , Cheng-Wei Chiang

We study the two-body hadronic weak decays of the $\Omega^-$ hyperon with strangeness $S=-3$, including three singly Cabibbo-suppressed decay modes: $\Xi^0 \pi^-$, $\Xi^-\pi^0$ and $\Lambda K^-$. The decay amplitudes at the quark level,…

High Energy Physics - Phenomenology · Physics 2026-02-02 Ye Cao , Tao Zhong , Ju-Jun Xie , Qiang Zhao

The Cabibbo-favored hadronic weak decay of the $\Xi_c^+\to \Xi^0\pi^+$, $\Xi_c^0\to \Xi^-\pi^+$, $\Xi_c^0\to \Xi^0\pi^0$, $\Xi_c^0\to \Xi^0\eta^{(')}$ and $\Xi_c^0\to \Xi^+K^-$ are studied in the non-relativistic constituent quark model. By…

High Energy Physics - Phenomenology · Physics 2025-02-07 Peng-Yu Niu , Qian Wang , Qiang Zhao
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