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The measured masses and strong decays of $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ required us to decode them as the 1$D$ excited states with $J^P=3/2^+$ and $J^P=5/2^+$, respectively. Under the suggested assignment, the masses and total…

High Energy Physics - Phenomenology · Physics 2019-11-28 Bing Chen , Si-Qiang Luo , Xiang Liu , Takayuki Matsuki

We study the bottom $\Lambda_b(6146)^0$ baryon, newly discovered by the LHCb Collaboration. By adopting an interpolating current of $(L_{\rho}, L_{\lambda})=(0,2)$ type and $D$-wave nature with spin-parity quantum numbers…

High Energy Physics - Phenomenology · Physics 2020-04-29 K. Azizi , Y. Sarac , H. Sundu

The strong decays of the low-lying $\lambda$-mode $\Lambda_b(1D,2S)$ and $\Sigma_b(2S)$ states are studied in a chiral quark model. We find that: (i) the newly observed $\Lambda_b(6146/6152)$ resonances in the $\Lambda_b\pi^+\pi^-$ spectrum…

High Energy Physics - Phenomenology · Physics 2020-01-01 Kai-Lei Wang , Qi-Fang Lü , Xian-Hui Zhong

We study the $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ recently observed by LHCb using the method of QCD sum rules within the framework of heavy quark effective theory. Our results suggest that they can be interpreted as $D$-wave bottom…

High Energy Physics - Phenomenology · Physics 2020-07-09 Qiang Mao , Hua-Xing Chen , Hui-Min Yang

In this work, the strong decay behaviors of the $\lambda-$mode low-lying $\Xi_{b}$ and $\Xi_{b}^\prime$ baryons are investigated within the $^3P_0$ model. Our results suggest that all of the low-lying $\bar 3_F$ states $\Xi_b(2S)$,…

High Energy Physics - Phenomenology · Physics 2021-05-10 Hui-Zhen He , Wei Liang , Qi-Fang Lü , Yu-Bing Dong

The strong decays of the $P$-wave $\Sigma_b$, $\Xi_b'$ and $\Omega_b$ baryons are investigated with a constituent quark model in the $j$-$j$ coupling scheme. The results show that the newly observed $\Sigma_b(6097)$ and $\Xi_b(6227)$ states…

High Energy Physics - Phenomenology · Physics 2019-01-16 Kai-Lei Wang , Qi-Fang Lü , Xian-Hui Zhong

We have systematically calculated the strong decays of the low-lying $\rho$-mode $1P$-wave $\Lambda_{c(b)}$, $\Sigma_{c(b)}$, $\Xi_{c(b)}$, $\Xi^{'}_{c(b)}$, $\Omega_{c(b)}$ baryons using the chiral quark model within the $j$-$j$ coupling…

High Energy Physics - Phenomenology · Physics 2022-08-23 Wen-Jia Wang , Li-Ye Xiao , Xian-Hui Zhong

For further decoding the inner structure of the two excited $\Xi_b$ states observed by LHCb, we perform a systematical study of the strong decays of the low-lying $1D$-wave $\Xi_b$ and $\Xi_b'$ excitations using the quark pair creation…

High Energy Physics - Phenomenology · Physics 2023-09-26 Yu-Hui Zhou , Wen-Jia Wang , Li-Ye Xiao , Xian-Hui Zhong

More and more excited baryons have been reported experimentally, but many properties are still unclear. This work attempts to simultaneously study the masses and strong decay widths of some singly heavy baryons, in order to provide possible…

High Energy Physics - Phenomenology · Physics 2025-04-15 Xiaoning Xie , Juntao Tong , Qi Huang , Hongxia Huang , Jialun Ping

The LHCb Collaboration has recently observed two narrow baryon resonances with beauty. Their masses and decay modes look consistent with the quark model orbitally excited states Lambda_b(5912) and Lambda*_b(5920), with quantum numbers…

High Energy Physics - Phenomenology · Physics 2013-02-22 C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo , L. Tolos

Inspired by the LHCb's newest observation of two new excited $\Xi_b^0$ states, we systematically study the strong decays of the low-lying $\lambda$- and $\rho$-modes $1D$-wave $\Xi_{b}$ and $\Xi^{'}_{b}$ baryons using the chiral quark model…

High Energy Physics - Phenomenology · Physics 2022-04-27 Wen-Jia Wang , Yu-Hui Zhou , Li-Ye Xiao , Xian-Hui Zhong

Two bottom $\Sigma_b(6097)^\pm$ baryons were observed in the final states $\Lambda_b^0\pi^-$ and $\Lambda_b^0\pi^+$ in $pp$ collision by LHCb collaboration, whose masses and widths were measured. In a $^{3}P_{0}$ model, the strong decay…

High Energy Physics - Phenomenology · Physics 2019-02-27 Pei Yang , Jing-Jing Guo , Ailin Zhang

In this work, we adopt the $^3P_0$ model to investigate the strong decays of the low-lying doubly bottom baryons in the $j-j$ coupling scheme systematically. In this scheme, we construct the formulism of $^3P_0$ model under the spectator…

High Energy Physics - Phenomenology · Physics 2022-01-19 Hui-Zhen He , Wei Liang , Qi-Fang Lü

Inspired by the newly observed $\Omega_b$ states by the LHCb Collaboration, we investigate the two-body strong decays of the low-lying $\lambda$-mode $\Omega_b$ baryons up to $N=2$ shell using the chiral quark model within the $j$-$j$…

High Energy Physics - Phenomenology · Physics 2020-04-22 Li-Ye Xiao , Kai-Lei Wang , Ming-Sheng Liu , Xian-Hui Zhong

The strong and radiative decays of the low-lying $S$- and $P$-wave $\Lambda_{c(b)}$, $\Sigma_{c(b)}$, $\Xi_{c(b)}$, $\Xi_{c(b)}'$ and $\Omega_{c(b)}$ baryons are systematically studied in a constituent quark model. We find that the…

High Energy Physics - Phenomenology · Physics 2018-01-17 Kai-Lei Wang , Ya-Xiong Yao , Xian-Hui Zhong , Qiang Zhao

Inspired by the latest experimental progress, we systematically study the OZI-allowed two-body strong decay properties of $1P$-, $1D$-, $2S$- and $2P$-wave $\Lambda_c$ baryons within the $j $-$j$ coupling scheme in the framework of the…

High Energy Physics - Phenomenology · Physics 2025-08-21 Yu-Bin Zhang , Li-Ye Xiao , Xian-Hui Zhong

Heavy quark symmetry can help us identify the internal structure of hadrons and predict new particles. In this study, we examine the strong decay modes of the observed $\Lambda_b^0(6146)$ and $\Lambda_b^0(6152)$, assuming these two states…

High Energy Physics - Phenomenology · Physics 2024-06-18 Jing-wen Feng , Cai Cheng , Yin Huang

Motivated by the newly observed narrow structures $\Omega_b(6316)^-$, $\Omega_b(6330)^-$, $\Omega_b(6340)^-$, and $\Omega_b(6350)^-$ in the $\Xi_b^0 K^-$ mass spectrum, we investigate the strong decays of the low-lying $\Omega_b$ states…

High Energy Physics - Phenomenology · Physics 2020-03-18 Wei Liang , Qi-Fang Lü

In this work, we preform a systematic study of the strong decays for the higher singly heavy baryon resonances $\Lambda_Q(3S)$, $\Lambda_Q(2P)$, $\Lambda_Q(2D)$, $\Lambda_Q(1F)$, $\Sigma_Q(3S)$, $\Sigma_Q(2P)$, $\Sigma_Q(2D)$, and…

High Energy Physics - Phenomenology · Physics 2020-01-29 Qi-Fang Lü , Xian-Hui Zhong

Following recent experimental progress in the study of bottom baryons, we systematically calculate the mass spectra of $\Lambda_{b}$, $\Xi_{b}$, $\Sigma_{b}$, $\Xi_{b}^{'}$, and $\Omega_{b}$ baryons with a quark-diquark picture in the…

High Energy Physics - Phenomenology · Physics 2024-07-03 Pooja Jakhad , Juhi Oudichhya , Ajay Kumar Rai
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