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Strange hadron collectivity in pPb and PbPb collisions

Journal articles  - Journal Article
Tumasyan, A; Adam, W; Andrejkovic, JW; Bergauer, T; Chatterjee, S; Dragicevic, M; Escalante Del Valle, A; Frühwirth, R; Jeitler, M; Krammer, N ...
Published in: Journal of High Energy Physics
May 1, 2023

The collective behavior of KS0 and Λ/Λ¯ strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy sNN = 8.16 TeV and lead-lead (PbPb) collisions at sNN = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20 GeV is present. The strange hadron v2 values extracted in pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.

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Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

May 1, 2023

Volume

2023

Issue

5

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
 

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Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., Dragicevic, M., … Barroso Ferreira Filho, M. (2023). Strange hadron collectivity in pPb and PbPb collisions. Journal of High Energy Physics, 2023(5). https://doi.org/10.1007/JHEP05(2023)007
Tumasyan, A., W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, M. Dragicevic, A. Escalante Del Valle, et al. “Strange hadron collectivity in pPb and PbPb collisions.” Journal of High Energy Physics 2023, no. 5 (May 1, 2023). https://doi.org/10.1007/JHEP05(2023)007.
Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Dragicevic M, et al. Strange hadron collectivity in pPb and PbPb collisions. Journal of High Energy Physics. 2023 May 1;2023(5).
Tumasyan, A., et al. “Strange hadron collectivity in pPb and PbPb collisions.” Journal of High Energy Physics, vol. 2023, no. 5, May 2023. Scopus, doi:10.1007/JHEP05(2023)007.
Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Dragicevic M, Escalante Del Valle A, Frühwirth R, Jeitler M, Krammer N, Lechner L, Liko D, Mikulec I, Paulitsch P, Pitters FM, Schieck J, Schöfbeck R, Schwarz D, Templ S, Waltenberger W, Wulz CE, Darwish MR, De Wolf EA, Janssen T, Kello T, Lelek A, Rejeb Sfar H, Van Mechelen P, Van Putte S, Van Remortel N, Blekman F, Bols ES, D’Hondt J, Delcourt M, El Faham H, Lowette S, Moortgat S, Morton A, Müller D, Sahasransu AR, Tavernier S, Van Doninck W, Van Mulders P, Beghin D, Bilin B, Clerbaux B, De Lentdecker G, Favart L, Grebenyuk A, Kalsi AK, Lee K, Mahdavikhorrami M, Makarenko I, Moureaux L, Pétré L, Popov A, Postiau N, Starling E, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, Cornelis T, Dobur D, Knolle J, Lambrecht L, Mestdach G, Niedziela M, Roskas C, Samalan A, Skovpen K, Tytgat M, Vermassen B, Vit M, Wezenbeek L, Benecke A, Bethani A, Bruno G, Bury F, Caputo C, David P, Delaere C, Donertas IS, Giammanco A, Jaffel K, Jain S, Lemaitre V, Mondal K, Prisciandaro J, Taliercio A, Teklishyn M, Tran TT, Vischia P, Wertz S, Alves GA, Hensel C, Moraes A, Aldá Júnior WL, Alves Gallo Pereira M, Barroso Ferreira Filho M. Strange hadron collectivity in pPb and PbPb collisions. Journal of High Energy Physics. 2023 May 1;2023(5).
Journal cover image

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

May 1, 2023

Volume

2023

Issue

5

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics