The multiplicity distributions and dynamical fluctuations   in high energy collisions

QIAN Wanyan  WANGXiaorong  YANG Chunbin  ZHOU Daicui  CAI Xu

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The multiplicity distributions and dynamical fluctuations in high energy collisions

更新时间：2021-03-12

- The multiplicity distributions and dynamical fluctuations in high energy collisions
- NUCLEAR TECHNIQUES Issue 4, (2001)
- 作者机构：
  
  华中师范大学粒子物理研究所,武汉,430079
- 作者简介：
- 基金信息：
  
  国家自然科学基金! (19875 0 19);湖北省自然科学基金资助
- DOI：
  CLC： O572
- Published：01 April 2001
- 稿件说明：
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[1]钱琬燕,王晓荣,杨纯斌,周代翠,蔡勖.高能碰撞中的多重数分布与动力学涨落[J].核技术,2001(04):246-252.

QIAN Wanyan WANGXiaorong YANG Chunbin ZHOU Daicui CAI Xu. The multiplicity distributions and dynamical fluctuations in high energy collisions[J]. Nuclear techniques, 2001, (4): 246-252.
[1]钱琬燕,王晓荣,杨纯斌,周代翠,蔡勖.高能碰撞中的多重数分布与动力学涨落[J].核技术,2001(04):246-252. DOI：

QIAN Wanyan WANGXiaorong YANG Chunbin ZHOU Daicui CAI Xu. The multiplicity distributions and dynamical fluctuations in high energy collisions[J]. Nuclear techniques, 2001, (4): 246-252. DOI：

摘要

通过多重数分布研究EMU0 1国际实验组中高能重核束流与核乳胶相互作用中的动力学起伏的规律。引入多重数分布动力学因子dq 及其比值Dq 两个物理量来定量量度动力学涨落

得到了Dq 与D2 的幂次标度律

并且给出标度律中指数与 q - 1的标度关系

所得出的标度指数γ的值在各种碰撞体系中大致相同

Abstract

The laws of fluctuations in high energy heavy ion collisions were studied with the multiplicitydistribution of EMU01 international collaboration. The dynamical factors d q and their ratios D q≡d q/d 1 were introduced to measure dynamical fluctuations quantitatively

and power scaling law between D q and D 2 was obtained. The exponents in the scaling were shown to be power scaling with q -1

and the scaling exponent γ was about the same for various collisions systems.

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