Article

Bose-Einstein correlations in e+e− annihilation in the γ(1S) and continuum

Zeitschrift für Physik C 11/1995; 69(1):215-222. DOI:10.1007/BF02907401

ABSTRACT Bose-Einstein correlations in direct γ(1S) decays and continuum in the energy region √s=7.2−10.3 GeV have been studied using
data taken with the MD-1 detector at VEPP-4 storage ring. Assuming gaussian density of the pion source the data indicate the
radius of the sourceπ=0.73±0.10±0.04 fm for direct γ (1S) decays andπ=0.83±0.22±0.05 fm for the continuum. The correlation strengthsλ for both data samples also are similar. Thus Bose-Einstein correlations do not reveal a noticeable difference between quark
and gluon fragmentation.

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Keywords

Assuming gaussian density
 
Bose-Einstein correlations
 
correlation strengthsλ
 
direct γ
 
gluon fragmentation
 
MD-1 detector
 
noticeable difference
 
VEPP-4 storage ring
 

A E Blinov