组分夸克模型中随Q2演化的强子的Parton分布函数

计算物理 ›› 1992, Vol. 9 ›› Issue (S1): 570-572.

组分夸克模型中随Q²演化的强子的Parton分布函数

钱路

华东师范大学物理系, 上海 200062

收稿日期:1991-12-03 出版日期:1992-12-31 发布日期:1992-12-31

METHODS IN FINDING THE Q²-DEPENDENT NUCLEON PARTON DISTRIBUTION FUNCTIONS IN THE CONSTITUENT QUARK MODEL

Qian Lu

Physics Department, East China Normal University, Shanghai, 200062

Received:1991-12-03 Online:1992-12-31 Published:1992-12-31

摘要/Abstract

摘要： 用牛顿一拉夫逊方法求出了Q₀²时价子中的Parton分布函数,且采用把微分积分方程组形式的QCD演化方程离散为常微分方程组的方法,求出了任意Q² > Q₀²时价子中的Paerton分布函数,最后通过卷积,得到了组分夸克模型中随Q²演化的强子中的Parton分布函数。

关键词: 组分夸克模型, Parton分布函数, 退卷积, QCD演化方程

Abstract: The deconvolution problem of the Constituent Quark Model (CQM) in finding the partondistribution function in valon at Q₀² is reduced to an optimum problem and solved successfully with Newton-Raphson method. Moreover, by discretizing the QCD evolution eqs into ordinary simultaneous differential eqs, we obtain the parton distribution functions in valon at arbitary Q² > Q₀², and thus, through convolution, we finally find the Q²-dependent nucleon parton distribution functions in CQM picture.

Key words: the constituent quark model, parton distribution functions deconvolution, QCD evolution eqs

钱路. 组分夸克模型中随Q²演化的强子的Parton分布函数[J]. 计算物理, 1992, 9(S1): 570-572.

Qian Lu. METHODS IN FINDING THE Q²-DEPENDENT NUCLEON PARTON DISTRIBUTION FUNCTIONS IN THE CONSTITUENT QUARK MODEL[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 1992, 9(S1): 570-572.

组分夸克模型中随Q²演化的强子的Parton分布函数

METHODS IN FINDING THE Q²-DEPENDENT NUCLEON PARTON DISTRIBUTION FUNCTIONS IN THE CONSTITUENT QUARK MODEL

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