中高能核子-核子碰撞研究现状与问题

原子核物理评论 , 2010, 27(1): 1-15.

中高能核子-核子碰撞研究现状与问题

宁平治 ^1, , 彭光雄 ^2, , 李磊 ^3, , 罗延安 ^4, , 钟显辉 ^5, , 党蕾 ^6,

1.南开大学物理科学学院,天津,300071

2.中国科学院研究生院,北京,100049;中国科学院高能物理研究所,北京,100049

3.南开大学物理科学学院,天津,300071

4.南开大学物理科学学院,天津,300071

5.湖南师范大学物理系,湖南,长沙,410081

6.中国科学院高能物理研究所,北京,100049

关键词：核子-核子碰撞 , 中高能 , 短程力 , 奇异性产生 , 重味产生

Nucleon-nucleon Collisions in Medium and High-energy Nuclear Physics:Recent Progress and Some Unresolved Issues

Keywords： nucleon-nucleon collision , medium and high-energy , short-range force , strangeness production , heavy flavor production

简要评述了中高能核物理中核子-核子(NN)碰撞的国际研究现状,期望对兰州重离子加速器冷却存储环(HlRFL-CSR)的物理工作有益.文中主要涉及近年来短程核力研究进展与存在的困难,及与STAR和PHENIX高能重离子实验新进展相关的若干NN两体碰撞基本问题等,特别关注奇异性产生与重味产生方面的NN碰撞物理,以便更好地认识中高能NN碰撞研究的重要性.

Some topics on nucleon-nucleon(NN)collisions in medium and high-energy nuclear physics are reviewed with emphasis on those which are expected to be relevant at the HIRFL-CSR Facility.It is mainly concerned with the description of short-range NN nuclear force,the recent results from STAR and PHENIX experiments in relativistic collisions of nuclei from each other,addressing questions about the role of NN collisions at high-energy,especially for strangeness production and heavy flavor production.Recent progress and some unresolved issues are also concerned.We expect that the results of the present work will lead to a better understanding on the importance of NN collisions at medium-and high-energy.

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