Radiative decays of P-wave bottom baryons from light-cone sum rules

被引：1
作者：
Luo, Xuan [1 ]
Yang, Hui-Min [2 ,3 ]
Chen, Hua-Xing [1 ]
机构：
[1] Southeast Univ, Sch Phys, Nanjing 210094, Peoples R China
[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[3] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
来源：
PHYSICAL REVIEW D | 2025年 / 111卷 / 05期
基金：
中国国家自然科学基金;
关键词：
TWIST DISTRIBUTION AMPLITUDES; HEAVY BARYONS; QUARK-MODEL; CHARMED BARYONS; EXCITED-STATES; VECTOR-MESONS; FORM-FACTORS; QCD; CONDENSATE; DOMINANCE;
D O I：
10.1103/PhysRevD.111.056027
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We carry out a comprehensive investigation on the radiative decays of P-wave bottom baryons using the light-cone sum rule method. We analyze their electromagnetic transitions into ground-state bottom baryons together with a photon. Together with their mass spectra and strong decays investigated in Tan et al. [Eur. Phys. J. C 84, 382 (2024)] and Yang and Chen [Phys. Rev. D 101, 114013 (2020)], a rather complete quantum chromodynamics (QCD) sum rule study has been done to understand the P-wave singly bottom baryons within the framework of heavy quark effective theory. As summarized in Tables VII and VIII, some P-wave bottom baryons have limited strong decay widths so that their radiative decay widths become non-negligible. We propose to study these excited bottom baryons and their radiative decays in the future Belle-II, BESIII, and LHCb experiments.
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页数：17
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