Franklin, MelissaHuth, JohnIppolito, ValerioLopez Mateos, DavidMercurio, KevinMorii, MasahiroSpearman, WilliamSun, SiyuanTolley, EmmaYen, AndyZevi Della Porta, G2017-09-062015ATLAS Collaboration. 2015. “Two-Particle Bose-Einstein Correlations in pp Collisions at √s = 0.9 and 7 TeV Measured With the ATLAS Detector.” The European Physical Journal C 75 (10) (October). doi:10.1140/epjc/s10052-015-3644-x.1434-6044http://nrs.harvard.edu/urn-3:HUL.InstRepos:33839897The paper presents studies of Bose–Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range pT > 100 MeV and |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 μb⁻¹, 190 μb⁻¹ and 12.4 nb⁻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.en-USJournal Article2017-09-0610.1140/epjc/s10052-015-3644-x