Anisotropic flow of identified hadrons in Xe-Xe collisions at √sNN = 5.44 TeV
Acharya, Shreyasi; Adamová, Dagmar; Adler, Alexander; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Ahuja, Ishaan; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim Ingemar; Rehman, Attiq Ur; Röhrich, Dieter; Sætre, Jon-Are; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Arsene, Ionut Cristian; Dordic, Olja; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Storehaug, Ida Torkjellsdatter; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Reme-Ness, Haakon André; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Akbar, Zaenai; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; Aleksandrov, Dimitry; ALICE, Collaboration; Nesbø, Simon Voigt
Peer reviewed, Journal article
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Original versionAcharya, S., Adamová, D., Adler, A., Aglieri Rinella, G., Agnello, M., Agrawal, N., . . . Zurlo, N. (2021). Anisotropic flow of identified hadrons in Xe-Xe collisions at √sNN = 5.44 TeV. Journal of High Energy Physics, (10), Artikkel 152. https://doi.org/10.1007/JHEP10(2021)152
Measurements of elliptic (v2) and triangular (v3) flow coefficients of π±, K±, p+p¯, K0S, and Λ+Λ¯ obtained with the scalar product method in Xe-Xe collisions at √sNN = 5.44 TeV are presented. The results are obtained in the rapidity range |y| < 0.5 and reported as a function of transverse momentum, pT, for several collision centrality classes. The flow coefficients exhibit a particle mass dependence for pT < 3 GeV/c, while a grouping according to particle type (i.e., meson and baryon) is found at intermediate transverse momenta (3 < pT < 8 GeV/c). The magnitude of the baryon v2 is larger than that of mesons up to pT = 6 GeV/c. The centrality dependence of the shape evolution of the pT-differential v2 is studied for the various hadron species. The v2 coefficients of π±, K±, and p+p¯are reproduced by MUSIC hydrodynamic calculations coupled to a hadronic cascade model (UrQMD) for pT < 1 GeV/c. A comparison with vn measurements in the corresponding centrality intervals in Pb-Pb collisions at √sNN = 5.02 TeV yields an enhanced v2 in central collisions and diminished value in semicentral collisions.