EXTENDED SOURCES, FINAL-STATE INTERACTIONS AND BOSE-EINSTEIN CORRELATIONS .2. RESONANCES AND MULTIPARTICLE RESCATTERING

被引:25
作者
BOWLER, MG
机构
[1] Department of Nuclear Physics, University of Oxford, Oxford
来源
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1990年 / 46卷 / 02期
关键词
D O I
10.1007/BF01556009
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
I extend the theory of Bose-Einstein correlations to the case where one of a pair of like pions is the daughter of resonance decay and include final state rescattering within the like pion pair. I consider critically the form of the isospin 2 s-wave phase shift. The results of numerical calculations yield like pion correlation functions which are at best in marginal agreement with data from e+e- annihilation and proton-proton collisions. I show that the discrepancy which exists is removed by the effects of three (and more) particle rescattering. The quantitative interpretation of Bose-Einstein correlations among hadrons is very complicated unless the effective source size substantially exceeds 1 fm. © 1990 Springer-Verlag.
引用
收藏
页码:305 / 315
页数:11
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