Abstract
Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays and in 7 TeV pp minimum bias interactions are investigated within the framework of the tau-model.
Highlights
After a brief review of relevant previous results, new preliminary results are presented on the dependence of the Bose-Einstein correlation function on track and jet multiplicity, pair transverse momentum and pair rapidity, using a parametrization which has been found [1] to describe well Bose-Einstein correlations in hadronic Z decay, namely that of the τ-model [2, 3]
The τ-model, which is closely related to the string picture, provides a reasonable explanation of both the Bose-Einstein correlations (BEC) peak and the Bose-Einstein Anti-Correlations (BEAC) dip in both e+e− and minimum bias pp interactions
Of all the parametrizations tried, only that of the τ-model survives as a candidate to explain the data. Another possible explanation is that the anti-correlation arises because of the non-zero size of the pion
Summary
After a brief review of relevant previous results, new preliminary results are presented on the dependence of the Bose-Einstein correlation function on track and jet multiplicity, pair transverse momentum and pair rapidity, using a parametrization which has been found [1] to describe well Bose-Einstein correlations in hadronic Z decay, namely that of the τ-model [2, 3]
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