部分相干源关联函数的模拟计算

李淑侠; 张卫宁

doi:10.11804/NuclPhysRev.27.01.023

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部分相干源关联函数的模拟计算

李淑侠, 张卫宁

文章导航 > 原子核物理评论 > 2010 > 27(1): 23-28

李淑侠, 张卫宁. 部分相干源关联函数的模拟计算[J]. 原子核物理评论, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

引用本文:

李淑侠, 张卫宁. 部分相干源关联函数的模拟计算[J]. 原子核物理评论, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

LI Shu-xia, ZHANG Wei-ning. Simulation of Two-pion Correlation Function for Partially Coherent Source[J]. Nuclear Physics Review, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

Citation:

LI Shu-xia, ZHANG Wei-ning. Simulation of Two-pion Correlation Function for Partially Coherent Source[J]. Nuclear Physics Review, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

部分相干源关联函数的模拟计算

doi: 10.11804/NuclPhysRev.27.01.023

1 哈尔滨工业大学物理系, 黑龙江哈尔滨 150006; 2 黑龙江大学物理与科学技术学院, 黑龙江哈尔滨 150080; 3 大连理工大学物理与光电工程学院, 辽宁大连116024

Simulation of Two-pion Correlation Function for Partially Coherent Source

1 Department of Physics, Harbin Institute of Technology, Harbin 150006, China;2 College of Physics Science and Technology, Heilongjiang University, Harbin 150080, China;3 School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, Liaoning, China

摘要: 核-核碰撞可以简单看成核子\|核子碰撞，每一核子-核子碰撞产生的源可用经典流表示。对于时空函数的经典流系综，当源部分相干时，全同两粒子玻色-爱因斯坦关联函数公式应包含混沌和相干项。根据蒙特卡罗的模拟计算思想，由混沌源2π关联函数的模拟计算出发，得到部分相干源关联函数的模拟计算方法。在相对动量q的out和side方向上，对部分相干源关联函数进行蒙特卡罗模拟计算，计算得到源的半径Rout在误差范围内近似等于Rside。Nucleus-nucleus collisions are simply regarded as sum of nucleon-nucleon collisions. Particle sources produced by nucleon\|nucleon collisions are treated as classical current. For the classical current formalism ensemble of space-time function there are two terms in two identical particle Bose-Einstein correlation function when sources are partially coherent and one is called coherent term, the other is chaotic one. According to Monte Carlo simulating theory, the algorithm for calculating correlation function of partially coherent sources is derived by generalizing chaotic one. The correlation function of partially coherent sources is simulated by this method at out and side direction of relative momentum, and the out radius of sources from the fitted result is approximately equal to the side one within the error range
- π干涉学 /
- 部分相干源 /
- 模拟计算
Abstract: Nucleus-nucleus collisions are simply regarded as sum of nucleon-nucleon collisions. Particle sources produced by nucleon\|nucleon collisions are treated as classical current. For the classical current formalism ensemble of space-time function there are two terms in two identical particle Bose-Einstein correlation function when sources are partially coherent and one is called coherent term, the other is chaotic one. According to Monte Carlo simulating theory, the algorithm for calculating correlation function of partially coherent sources is derived by generalizing chaotic one. The correlation function of partially coherent sources is simulated by this method at out and side direction of relative momentum, and the out radius of sources from the fitted result is approximately equal to the side one within the error range
- π interferometry /
- partially coherence /
- simulation calculation

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部分相干源关联函数的模拟计算

doi: 10.11804/NuclPhysRev.27.01.023

1 哈尔滨工业大学物理系, 黑龙江哈尔滨 150006; 2 黑龙江大学物理与科学技术学院, 黑龙江哈尔滨 150080; 3 大连理工大学物理与光电工程学院, 辽宁大连116024

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2010-03-20

关键词:

π干涉学 /

部分相干源 /

模拟计算

摘要: 核-核碰撞可以简单看成核子\|核子碰撞，每一核子-核子碰撞产生的源可用经典流表示。对于时空函数的经典流系综，当源部分相干时，全同两粒子玻色-爱因斯坦关联函数公式应包含混沌和相干项。根据蒙特卡罗的模拟计算思想，由混沌源2π关联函数的模拟计算出发，得到部分相干源关联函数的模拟计算方法。在相对动量q的out和side方向上，对部分相干源关联函数进行蒙特卡罗模拟计算，计算得到源的半径Rout在误差范围内近似等于Rside。Nucleus-nucleus collisions are simply regarded as sum of nucleon-nucleon collisions. Particle sources produced by nucleon\|nucleon collisions are treated as classical current. For the classical current formalism ensemble of space-time function there are two terms in two identical particle Bose-Einstein correlation function when sources are partially coherent and one is called coherent term, the other is chaotic one. According to Monte Carlo simulating theory, the algorithm for calculating correlation function of partially coherent sources is derived by generalizing chaotic one. The correlation function of partially coherent sources is simulated by this method at out and side direction of relative momentum, and the out radius of sources from the fitted result is approximately equal to the side one within the error range

English Abstract

李淑侠, 张卫宁. 部分相干源关联函数的模拟计算[J]. 原子核物理评论, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

引用本文:

李淑侠, 张卫宁. 部分相干源关联函数的模拟计算[J]. 原子核物理评论, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

LI Shu-xia, ZHANG Wei-ning. Simulation of Two-pion Correlation Function for Partially Coherent Source[J]. Nuclear Physics Review, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023

Citation:

LI Shu-xia, ZHANG Wei-ning. Simulation of Two-pion Correlation Function for Partially Coherent Source[J]. Nuclear Physics Review, 2010, 27(1): 23-28. doi: 10.11804/NuclPhysRev.27.01.023