Bose-Einstein correlations and b-bbar correlations in pp collisions with LHCb
Bartosz Malecki (LHCb Collaboration)
TL;DR
This paper investigates Bose-Einstein correlations among same-sign pions and b-bbar correlations in proton-proton collisions at 7 and 8 TeV, revealing how correlation parameters vary with multiplicity and aligning with theoretical models.
Contribution
It provides the first detailed analysis of both Bose-Einstein and b-bbar correlations in pp collisions at LHCb, highlighting their dependence on event multiplicity and validating theoretical predictions.
Findings
Correlation radius increases with multiplicity
Chaoticity parameter decreases with multiplicity
b-bbar correlations agree with theoretical models
Abstract
Bose-Einstein correlations for same-sign charged pions and kinematic b-bbar correlations in proton-proton collisions at a center-of-mass energy of 7 and 8 TeV are studied by the LHCb experiment. The dependence of Bose-Einstein correlation parameters on the charged-particle multiplicity is investigated. The correlation radius is observed to increase with multiplicity, while the chaoticity parameter decreases. The b-bbar correlations are studied using inclusive b quark decays to jpsi and are found to be in good agreement with theoretical predictions.
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