a rXiv:h ep-ph/ 2 72 5v1 17 J ul 2 2Unified description of a class of models for Bose-Einstein correlations in multiple particle production processes K.Zalewski ∗M.Smoluchowski Institute of Physics Jagellonian University,Cracow and Institute of Nuclear Physics,Cracow February 7,2008Abstract Numerous models have been proposed to describe the Bose-Einstein correlations in multiple particle production process.In the present pa-per we describe a generalization,which includes many previous models as special cases and,therefore,can be useful for work of comparison.We apply the powerful methods of eigenfunction expansions and gen-erating functionals,which often make the calculations much shorterthan in the original papers.1IntroductionBose-Einstein correlations in multiple particle production processes at high energy are now much discussed.The reviews [1,2,3]contain hundreds of references and many more can be found in the papers quoted there.There is a variety of models often based on very different physical pictures of the production process.In the present paper we stress that many of these models
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