Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/8804
Title: Two-particle Bose-Einstein correlations in pp collisions at root s=13 TeV measured with the ATLAS detector at the LHC
Authors: Aad, G.
Abbott, B.
Abbott, D.C.
Abud, A. Abed
Abeling, K.
Abhayasinghe D.K.
The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Pion Interferometry
2nd-Order Interference
Parton Distributions
Multiple Production
Resonances
Pomeron
O+Au
Tool
Issue Date: 2022
Publisher: Springer
Abstract: This paper presents studies of Bose-Einstein correlations (BEC) in proton-proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were collected in a special low-luminosity configuration with a minimum-bias trigger and a high-multiplicity track trigger, accumulating integrated luminosities of 151 mu b(-1) and 8.4 nb(-1), respectively. The BEC are measured for pairs of like-sign charged particles, each with vertical bar eta vertical bar < 2.5, for two kinematic ranges: the first with particle pr > 100 MeV and the second with particle pr > 500 MeV. The BEC parameters, characterizing the source radius and particle correlation strength, are investigated as functions of charged-particle multiplicity (up to 300) and average transverse momentum of the pair (up to 1.5 GeV). The double-differential dependence on charged-particle multiplicity and average transverse momentum of the pair is also studied. The BEC radius is found to be independent of the charged-particle multiplicity for high charged-particle multiplicity (above 100), confirming a previous observation at lower energy. This saturation occurs independent of the transverse momentum of the pair.
URI: https://doi.org/10.1140/epjc/s10052-022-10472-0
https://hdl.handle.net/20.500.11851/8804
ISSN: 1434-6044
1434-6052
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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