Szczegóły publikacji
Opis bibliograficzny
J/$\psi$ elliptic and triangular flow in Pb-Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV / S. Acharya, [et al.], P. J. Konopka, [et al.] // The Journal of High Energy Physics [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 1029-8479. — 2020 — iss. 10 art. no. 141, s. [1], 1-30. — Bibliogr. s. 19-23, Abstr. — Publikacja dostępna online od: 2020-10-22. — Afiliacja Autora: European Organization for Nuclear Research (CERN), Geneva, Switzerland
Autorzy (1025)
- Acharya Shreyasi
- Konopka Piotr
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 132977 |
|---|---|
| Data dodania do BaDAP | 2021-03-12 |
| Tekst źródłowy | URL |
| DOI | 10.1007/JHEP10(2020)141 |
| Rok publikacji | 2020 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | The Journal of High Energy Physics |
Abstract
The inclusive J/ψ elliptic (v2) and triangular (v3) flow coefficients measured at forward rapidity (2.5 < y < 4) and the v2 measured at midrapidity (|y| < 0.9) in Pb-Pb collisions at sNN−−−√ = 5.02 TeV using the ALICE detector at the LHC are reported. The entire Pb-Pb data sample collected during Run 2 is employed, amounting to an integrated luminosity of 750 μb−1 at forward rapidity and 93 μb−1 at midrapidity. The results are obtained using the scalar product method and are reported as a function of transverse momentum pT and collision centrality. At midrapidity, the J/ψ v2 is in agreement with the forward rapidity measurement. The centrality averaged results indicate a positive J/ψ v3 with a significance of more than 5σ at forward rapidity in the pT range 2 < pT < 5 GeV/c. The forward rapidity v2, v3, and v3/v2 results at low and intermediate pT (pT ≲ 8 GeV/c) exhibit a mass hierarchy when compared to pions and D mesons, while converging into a species-independent curve at higher pT. At low and intermediate pT, the results could be interpreted in terms of a later thermalization of charm quarks compared to light quarks, while at high pT, path-length dependent effects seem to dominate. The J/ψ v2 measurements are further compared to a microscopic transport model calculation. Using a simplified extension of the quark scaling approach involving both light and charm quark flow components, it is shown that the D-meson vn measurements can be described based on those for charged pions and J/ψ flow.