2020/03/31 by Guanying Wang, Guan-Ying Wang, Man-Yu Duan +3 · 5 citations
Chemistry · Physics and Astronomy · #Analytical Chemistry (journal) #Bar (unit) #Chemistry #High-Energy Particle Collisions Research #Lambda #Optics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Resonance (particle physics) #hep-ex #hep-ph
paper · pdf · doi:10.1103/physrevd.102.036003
published in Physical review. D/Physical review. D. 102(3) (American Physical Society) · 9 pages, 7 figures, the version to be presented in PRD
openalex created_date 2020/03/13 · arxiv created 2020/07/30 · openalex publication_date 2020/08/06 · arxiv updated 2020/08/12 · openalex updated_date 2026/08/05
We have analyzed the reaction \ensuremathχc0\ensuremath→pK+\mathrm\ensuremathΛ reported by the BESIII Collaboration, taking into account the contributions from the intermediate K(1830), N(2300), and \mathrm\ensuremathΛ(1520) resonances. Our results are in good agreement with the BESIII measurements, and it is found that the anomalous enhancement near the p\mathrm\ensuremathΛ threshold is mainly due to the contribution of the K(1830) resonance. We also show that the interference of the high-mass N* and \mathrm\ensuremathΛ* can not produce the anomalous enhancement near the p\mathrm\ensuremathΛ threshold.