prikaz prve stranice dokumenta Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV
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Scientific paper - Letter
Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV
Physics Letters B, 856 (2024); 138862. https://doi.org/10.1016/j.physletb.2024.138862
(ALICE Collaboration) Acharya, S.; ...; Erhardt, Filip.; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Karatović, David; ...; Lončar, Petra; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Vicković, Linda; ...; Zurlo, N. More authors...

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Acharya, S., Erhardt, F., Gotovac, S., Jerčić, M., Karatović, D., Lončar, P. ... Zurlo, N. (2024). Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV. Physics Letters B, 856.. doi: 10.1016/j.physletb.2024.138862

Acharya, S., et al. "Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV." Physics Letters B, vol. 856, 2024. https://doi.org/10.1016/j.physletb.2024.138862

Acharya, S., Filip. Erhardt, Sven Gotovac, Marko Jerčić, David Karatović, Petra Lončar, Mirko Planinić, Nikola Poljak, Linda Vicković and N. Zurlo. "Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV." Physics Letters B 856 (2024). https://doi.org/10.1016/j.physletb.2024.138862

Acharya, S., et al. (2024) 'Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV', Physics Letters B, 856. doi: 10.1016/j.physletb.2024.138862

Acharya S, Erhardt F, Gotovac S, Jerčić M, Karatović D, Lončar P, and sur.. Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV. Physics Letters B [Internet]. 2024 [cited 2024 October 02];856. doi: 10.1016/j.physletb.2024.138862

S. Acharya, et al., "Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV", Physics Letters B, vol. 856, 2024. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:223444. [Accessed: 02 October 2024]

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Title (english)Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe–Xe collisions at √𝑠NN = 5.44 TeV
AuthorS. Acharya
Author
...
AuthorFilip. Erhardt
Author
...
AuthorSven Gotovac
Author
...
AuthorMarko Jerčić
Author
...
AuthorDavid Karatović
Author
...
AuthorPetra Lončar
Author
...
AuthorMirko Planinić
Author
...
AuthorNikola Poljak
Author
...
AuthorLinda Vicković
Author
...
AuthorN. Zurlo
CollaborationALICE Collaboration
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
Charge-dependent two- and three-particle correlations measured in Xe–Xe collisions at √𝑠NN = 5.44 TeV are presented. Results are obtained for charged particles in the pseudorapidity range |𝜂| < 0.8 and transverse momentum interval 0.2 ≤ 𝑝T < 5.0 GeV/𝑐 for different collision centralities. The three-particle correlator 𝛾𝛼𝛽 ≡ ⟨cos(𝜑𝛼 + 𝜑𝛽 − 2Ψ2)⟩, calculated for different combinations of charge sign 𝛼 and 𝛽, is expected to be sensitive to the presence of the Chiral Magnetic Effect (CME). Its magnitude is similar to the one observed in Pb–Pb collisions in contrast to a smaller CME signal in Xe–Xe collisions than in Pb–Pb collisions predicted by Monte Carlo (MC) calculations including a magnetic field induced by the spectator protons. These observations point to a large nonCME contribution to the correlator. Furthermore, the charge dependence of 𝛾𝛼𝛽 can be described by a blast wave model calculation that incorporates background effects and by the Anomalous Viscous Fluid Dynamics model with values of the CME signal consistent with zero. The Xe–Xe and Pb–Pb results are combined with the expected CME signal dependence on the system size from the MC calculations including a magnetic field to obtain the fraction of CME contribution in 𝛾𝛼𝛽 , 𝑓CME. The CME fraction is compatible with zero for the 30% most central events in both systems and then becomes positive. This yields an upper limit of 2% (3%) and 25% (32%) at 95% (99.7%) confidence level for the CME signal contribution to 𝛾𝛼𝛽 in the 0–70% Xe–Xe and Pb–Pb collisions, respectively.
Keywords (english)
Languageenglish
Publication typeScientific paper - Letter
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysics Letters B
Numberingvol. 856, 138862
p-ISSN0370-2693
DOIhttps://doi.org/10.1016/j.physletb.2024.138862
URN:NBNurn:nbn:hr:217:223444
Publication2024
Document URLhttps://linkinghub.elsevier.com/retrieve/pii/S0370269324004209
Type of resourceText
Access conditionsOpen access
Terms of useLicence Attribution 4.0 International (CC BY 4.0) icon
Public note© 2024 The Author(s). Published by Elsevier B.V. Funded by SCOAP³. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Received 14 November 2022; Received in revised form 28 June 2024; Accepted 4 July 2024. Available online 9 July 2024.
Created on2024-07-29 08:52:37