| Cross Sections for ππ←→ρρ and ππ←→ωω Reactions |
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| 引用本文： | 李玉琦,许晓明.Cross Sections for ππ←→ρρ and ππ←→ωω Reactions[J].中国物理快报,2006,23(5):1132-1135. |
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| 作者姓名： | 李玉琦 许晓明 |
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| 作者单位： | Department of Physics, Shanghai University, Shanghai 200444 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10135030, the Shanghai Education Committee Research Fund （No 04AB04）, and the Knowledge Innovation Project of Chinese Academy of Sciences under Grant No KJCX2-SW- N02. |
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| 摘 要： | To study chemical equilibrium of hadronic matter created in relativistic heavy ion collisions, phase shifts for the Ⅰ = 2ππ elastic scattering and cross sections for the Ⅰ= 2 and 0ππ←→ρρand Ⅰ=0ππ←→ωω reactions are calculated with the prior and post forms. While the post prior equivalence holds for the elastic scattering, the post-prior discrepancy of the inelastic scatterings relies on the spin-dependent terms of quark-antiquark potential.
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| 关 键 词： | 化学平衡 相对重离子碰撞 相转移 无弹性散射 等离子 |
| 收稿时间： | 2006-02-22 |
| 修稿时间： | 2006-02-22 |
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