Two-Particle Bose-Einstein Correlations in pp Collisions at √s̅ = 0.9 and 7 TeV Measured with the ATLAS Detector

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Two-Particle Bose-Einstein Correlations in pp Collisions at √s̅ = 0.9 and 7 TeV Measured with the ATLAS Detector

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Title: Two-Particle Bose-Einstein Correlations in pp Collisions at √s̅ = 0.9 and 7 TeV Measured with the ATLAS Detector
Author(s):
Aad, G.;
Abbott, B.;
Abdallah, J.;
Abdel-Khalek, S.;
Abdinov, O.;
Aben, R.;
Abi, B.;
Izen, Joseph M.;
Lou, Xinchou;
Leyton, Michael;
Namasivayam, Harisankar;
Reeves, Kendall
Date Created: 2015-10-01
Item Type: Article
Keywords: Show Keywords
Abstract: The 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.
Publisher: Springer
ISSN: 1434-6044
Source: European Physical Journal C
Link to Related Resource: http://dx.doi.org/10.1140/epjc/s10052-015-3644-x
Persistent Link: http://hdl.handle.net/10735.1/5069
Bibliographic Citation: Aad, G., B. Abbott, J. Abdallah, et al. 2015. "Two-particle Bose-Einstein correlations in pp collisions at √s̅ = 0.9 and 7 TeV measured with the ATLAS detector." European Physical Journal C 75(466), doi: 10.1140/epjc/s10052-015-3644-x
Terms of Use: CC BY 4.0 (Attribution)
©2016 CERN, for the ATLAS Collaboration

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