Bose-Einstein关联与Q^(-v)K_v(Q)分布  

BOSE-EINSTEIN CORRELATION AND Q^(-v)K_v(Q) DISTRIBUTION

作　　者：戴启润[1] 赵树松[2] 

机构地区：[1]信阳师范学院物理系,信阳464000 [2]云南大学物理系,昆明650091

出　　处：《物理学报》1995年第8期1203-1209,共7页Acta Physica Sinica

摘　　要：Bose-Einstein(B-E)关联是研究强子发射源的最有力工具之一,根据非微扰理论提出一种源分布——Q^(?)K_(?),(Q)分布.据此计算单举的P_(?),P_(?),N,Y分布及其相互关联——Seagulteffect,与实验符合得较好.本文的重点是由Q^(?)K_(?)(Q)分布计算两粒子的B-E关联,拟合的曲线与实验数据符合得很好,尤其是在低Q区,这是Q^(?)K_(?)(Q)分布比Gauss源及K-P源分布优越之处.Bose-Einstein correlation is one of the most useful means to study the source emitting hadrons. Based on the non-perturbative theory of quantum fields, we have proposed a kind of source distribution, i.e., the Q-νKν(Q) distribution, which is applied to calculate single inclusion distribution of Pη, P⊥, N, Y and the correlation with each other, i.e., Seagull effect. The results have a better approximation to the corresponding experimental data. The present paper emphasizes the calculation of Bose-Einstein correlation for inclusive two particle based on the Q-νKν,(Q) distribution. The fined curves agree with experimental data, especially, in the small Q range. The Q-νKν(Q) distribution is a more advanced theory as compared witk Gauss source and K-P source distribution.

关 键 词：B-E关联 强子 发射源 源分布 

分 类 号：O414.2[理学—理论物理]