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中文摘要：
本文对10.7 AGeV197Au诱发乳胶核反应射弹碎片平均自由程进行了研究,结果表明射弹碎片的平均自由程在实验误差范围内与距射弹作用点的距离D无关,射弹碎片的平均自由程不存在反常现象.对于α射弹碎片平均自由程,实验发现在实验误差范围内与距射弹作用点的距离D、碰撞参数b、射弹α碎片多重数无明显的依赖关系,以上结论也可以通过I Otterlund等人提出的检验方法得到进一步证实.
英文摘要：
The interactions mean free paths of projectile fragments from 197 Au-emulsion colhsions at 10.7 A GeV are investigated. It is found that the interaction mean free path of projectile fragments is not dependent on the distance from their production point within experimental errors. No anomalous phenomena exist in mean free paths of projectile fragments. The mean free path of helium projectile fragments does not depend on the distance D from their producing point, the impact parameters b and helium projectile fragments multiplicities within experimental errors, which can be further confirmed by the method suggested by I Otterlund.
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