2005/05/31 by Xuewen Hao, Pengfei Zhuang
Physics and Astronomy · #Atomic and Subatomic Physics Research #High-Energy Particle Collisions Research #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.73.014005
published as Phys.Rev. D73 (2006) 014005 · 5 pages, 3 figures
openalex publication_date 2006/01/11 · arxiv created 2006/01/12 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
The photoproduction rate of pentaquark \ensuremathΘ+ is calculated in a hot and dense medium. At high temperature and density, photoproduction energy threshold is increased, due to the restoration of chiral symmetry. Above the threshold, the production cross section is strongly enhanced.