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4．5AGeV／c^16O—AgBr作用慢粒子间歇行为
  • ISSN号：1000-6931
  • 期刊名称：《原子能科学技术》
  • 时间：0
  • 分类：O57[理学—粒子物理与原子核物理;理学—物理]
  • 作者机构：[1]山西师范大学现代物理研究所,山西临汾041004, [2]山西大学理论物理研究所,山西太原030006
  • 相关基金：国家自然科学基金资助项目（10675077,10475054）;山西省青年科学基金资助项目（20051002）;山西省自然科学基金资助项目（2007011005）
作者： 李俊生[1,2], 张东海[1], 李惠玲[1], 刘福虎[2]
关键词： 慢粒子, 间歇指数, 多重分形维数, slow particles, intermittency exponent, generalized dimensions
中文摘要：

利用国际核乳胶实验合作组（EMU-01）提供的NIKFI-BR-2型乳胶片对4．5AGeV／c^16O—AgBr作用产生的慢粒子分布进行了测量，利用新的标度变量z（COS目）计算了标度阶乘矩。得出间歇指数随矩阶数的增加而增加，多重分形维数随矩阶数的增加而减小，揭示了4．5AGeV／c^16O-AgBr中慢粒子产生的多分性。

英文摘要：

A study on intermittency of slow particles produced in the interactions of ^16O- AgBr at 4.5 AGeV/c with nuclear emulsion using the method of factorial moments, Fq, was performed. The dependence of the moments on the number of bins M was found to follow a power law behavior for the experimental data in terms of new scaled variable χ（cos θ）. The resuhs show that the intermittency exponent increases with the increase of moment order, and the generalized dimensions Dq decreases with the increase of mo- ment order, q. This observation indicates the association of muhifractality with production mechanism of slow particles.

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期刊信息
  • 《原子能科学技术》
  • 北大核心期刊（2011版）
  • 主管单位:中国核工业集团公司
  • 主办单位:中国原子能科学研究院
  • 主编：万钢
  • 地址：北京市275-65信箱
  • 邮编：102413
  • 邮箱：yzk@ciae.ac.cn
  • 电话：010-69358024 69357285
  • 国际标准刊号：ISSN：1000-6931
  • 国内统一刊号：ISSN：11-2044/TL
  • 邮发代号:82-161
  • 获奖情况:
  • 1991年全国首届国防科技期刊评比一等奖,“四通杯”北京优秀期刊全优期刊奖和全国优秀期刊...,“八五”期间优秀国防科技期刊奖，2011年“百种中...
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  • 被引量:7776