arXiv 1303.64232013-03-26nucl-exhep-exhep-phnucl-th

重离子碰撞中的强相互作用力和电磁力

Strong and Electromagnetic Forces in Heavy Ion Collisions

Mariola Klusek-Gawenda, Ewa Kozik, Andrzej Rybicki, Iwona Sputowska, Antoni Szczurek

备注：: 6 pages, 3 figures, a talk presented by Andrzej Rybicki at the International Symposium on Multiparticle Dynamics - ISMD2012, Kielce 16-21 September 2012

摘要：

在我们的前期工作中，从实验和理论上研究了高能核-核碰撞中强相互作用力和电磁相互作用力的相互作用。这种效应似乎导致碰撞中产生的带电π介子的光谱发生了非常大的扭曲。它还被发现带来了新的，独立的信息的时空演变的非微扰过程的粒子生产。本文给出了观察者感生电磁力对两种不同铅感生反应中产生的带电粒子谱的影响的新结果。对于第一次，我们还解决了p+A碰撞的主题，鉴于获得有关其中心性和核分裂的信息，这两个主题都是重要的，在LHC收集的新的p+A数据的背景下。

英文摘要：

The interplay between the strong and electromagnetic force in high energy nucleus-nucleus collisions was studied experimentally and theoretically in our earlier works. This effect appeared to result in very large distortions in spectra of charged pions produced in the collision. It was also found to bring new, independent information on the space-time evolution of the non-perturbative process of particle production. In this paper, we present our new results on the influence of the spectator-induced electromagnetic force on spectra of charged particles produced in two different Pb-induced reactions. For the first time, we also address the topic of p+A collisions in view of obtaining information about their centrality and nuclear break-up, both subjects being of importance in the context of the new p+A data collected at the LHC.

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英文摘要：

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