Two-particle Bose–Einstein correlations in pp collisions at s√=s= 0.9 and 7 TeV measured with the ATLAS detector

, The ATLAS collaboration (2015) Two-particle Bose–Einstein correlations in pp collisions at s√=s= 0.9 and 7 TeV measured with the ATLAS detector. European Physical Journal C: Particles and Fields, 75 (10). ISSN 1434-6044

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Abstract

The paper presents studies of Bose–Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range pT>pT> 100 MeV and |η|<|η|< 2.5 in proton collisions at centre-of-mass energies of 0.9 and 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. The integrated luminosities are approximately 7 μμ b −1−1 , 190 μμ b −1−1 and 12.4 nb −1−1 for 0.9 TeV, 7 TeV minimum-bias and 7 TeV high-multiplicity data samples, respectively. The multiplicity dependence of the BEC parameters characterizing the correlation strength and the correlation source size are investigated for charged-particle multiplicities of up to 240. A saturation effect in the multiplicity dependence of the correlation source size parameter is observed using the high-multiplicity 7 TeV data sample. The dependence of the BEC parameters on the average transverse momentum of the particle pair is also investigated

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
ID Code:
81247
Deposited By:
Deposited On:
22 Aug 2016 13:40
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Oct 2020 04:25