BOSE-EINSTEIN CORRELATIONS IN DIFFERENTREFERENCE FRAMES OF + P-Interactions AT 250 GeV / Cehs / NA 22
semanticscholar（2007）
Abstract
Bose-Einstein correlations are studied between negatively charged particles , in diierent reference frames of + p-interactions at 250 GeV/c. It is shown that there is no unique frame, where the pion source is motionless for each + p-collision, i.e. where the space-time size of the source is deenitely smaller than in any other frame. The emitting region has a prolate shape in any frame, the longitudinal size being of order 1.90.2 fm and the transverse one of order 1.10.3 fm. The average lifetime (or emission depth) ranges between 0.7 and 1.1 fm. The correlation strength is larger in the longitudinal than in the transverse direction.
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