The ATLAS collaboration (Including: Harrison, P. F., Jelinskas, A., Martin, T. A., McNicol, C. J., Murray, W. J., Pollard, C. S. and Spangenberg, M.). (2022) Two-particle Bose–Einstein correlations in pp collisions at s√=13 TeV measured with the ATLAS detector at the LHC. The European Physical Journal C, 82 (7). 608. doi:10.1140/epjc/s10052-022-10472-0 ISSN 1434-6044.

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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 μb−1 and 8.4 nb−1, respectively. The BEC are measured for pairs of like-sign charged particles, each with |η|<2.5, for two kinematic ranges: the first with particle pT>100 MeV and the second with particle pT>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.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH):	Bose-Einstein condensation, Hadron -- Scattering, Particles (Nuclear physics), Nuclear physics
Journal or Publication Title:	The European Physical Journal C
Publisher:	Springer
ISSN:	1434-6044
Official Date:	11 July 2022
Dates:	Date Event 11 July 2022 Published 19 May 2022 Accepted
Volume:	82
Number:	7
Article Number:	608
DOI:	10.1140/epjc/s10052-022-10472-0
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	16 September 2022
Date of first compliant Open Access:	16 September 2022
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID UNSPECIFIED Agencia Nacional de Promoción Científica y Tecnológica http://dx.doi.org/10.13039/501100003074 UNSPECIFIED Erewani Fizikayi Institowt http://viaf.org/viaf/138989470 UNSPECIFIED [ARC] Australian Research Council http://dx.doi.org/10.13039/501100000923 UNSPECIFIED Bundesministerium für Wissenschaft, Forschung und Wirtschaft http://dx.doi.org/10.13039/501100003413 UNSPECIFIED Austrian Science Fund http://dx.doi.org/10.13039/501100002428 UNSPECIFIED Azärbaycan Milli Elmlär Akademiyası http://viaf.org/viaf/168770251 UNSPECIFIED Belarus. Gosudarstvennyĭ komitet po nauke i tekhnologii︠a︡m http://viaf.org/viaf/154732294 UNSPECIFIED Conselho Nacional de Desenvolvimento Científico e Tecnológico http://dx.doi.org/10.13039/501100003593 UNSPECIFIED Fundação de Amparo à Pesquisa do Estado de São Paulo http://dx.doi.org/10.13039/501100001807 UNSPECIFIED [NSERC] Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 UNSPECIFIED [NRC] National Research Council Canada http://dx.doi.org/10.13039/501100000046 UNSPECIFIED [CFI] Canada Foundation for Innovation http://dx.doi.org/10.13039/501100000196 UNSPECIFIED CERN http://dx.doi.org/10.13039/100012470 UNSPECIFIED Agencia Nacional de Investigación y Desarrollo UNSPECIFIED UNSPECIFIED [CAS] Chinese Academy of Sciences http://dx.doi.org/10.13039/501100002367 UNSPECIFIED [MSTPRC] Ministry of Science and Technology of the People's Republic of China http://dx.doi.org/10.13039/501100002855 UNSPECIFIED [NSFC] National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 UNSPECIFIED Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS) http://dx.doi.org/10.13039/100007637 UNSPECIFIED Ministerstvo Školství, Mládeže a Tělovýchovy http://dx.doi.org/10.13039/501100001823 UNSPECIFIED Danmarks Grundforskningsfond http://dx.doi.org/10.13039/501100001732 UNSPECIFIED Natur og Univers, Det Frie Forskningsråd http://dx.doi.org/10.13039/100008394 UNSPECIFIED [IN2P3] Institut national de physique nucléaire et de physique des particules http://viaf.org/viaf/137207166 UNSPECIFIED [CNRS] Centre National de la Recherche Scientifique http://dx.doi.org/10.13039/501100004794 UNSPECIFIED [CEA] Commissariat à l'Énergie Atomique et aux Énergies Alternatives http://dx.doi.org/10.13039/501100006489 UNSPECIFIED Institut de recherche sur les lois fondamentales de l'univers UNSPECIFIED UNSPECIFIED Shota Rustaveli National Science Foundation http://dx.doi.org/10.13039/501100004801 UNSPECIFIED 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UNSPECIFIED Türkiye Atom Enerjisi Kurumu http://dx.doi.org/10.13039/100010440 UNSPECIFIED [STFC] Science and Technology Facilities Council http://dx.doi.org/10.13039/501100000271 UNSPECIFIED [DOE] U.S. Department of Energy http://dx.doi.org/10.13039/100000015 UNSPECIFIED [NSF] National Science Foundation (US) http://dx.doi.org/10.13039/100000001 UNSPECIFIED British Columbia Knowledge Development Fund http://dx.doi.org/10.13039/501100007711 UNSPECIFIED Canarie http://dx.doi.org/10.13039/100008313 UNSPECIFIED Compute Canada http://dx.doi.org/10.13039/100013020 UNSPECIFIED Canada Research Chairs http://dx.doi.org/10.13039/501100001804 UNSPECIFIED European Cooperation in Science and Technology http://dx.doi.org/10.13039/501100000921 UNSPECIFIED European Research Council http://dx.doi.org/10.13039/501100000781 UNSPECIFIED [ERDF] European Regional Development Fund http://dx.doi.org/10.13039/501100008530 UNSPECIFIED H2020 European Research Council http://dx.doi.org/10.13039/100010663 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Contributors:	Contribution Name Contributor ID Research Group The ATLAS collaboration, UNSPECIFIED

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