| Texto completo | |
| Autor(es): Mostrar menos - |
Everett, D.
;
Oliinychenko, D.
;
Luzum, M.
;
Paquet, J. -f.
;
Vujanovic, G.
;
Bass, S. A.
;
Du, L.
;
Gale, C.
;
Heffernan, M.
;
Heinz, U.
;
Kasper, L.
;
Ke, W.
;
Liyanage, D.
;
Majumder, A.
;
Mankolli, A.
;
Shen, C.
;
Soeder, D.
;
Velkovska, J.
;
Angerami, A.
;
Arora, R.
;
Cao, S.
;
Chen, Y.
;
Dai, T.
;
Ehlers, R.
;
Elfner, H.
;
Fan, W.
;
Fries, R. J.
;
Garza, F.
;
He, Y.
;
Jacak, B., V
;
Jacobs, P. M.
;
Jeon, S.
;
Kelsey, M.
;
Kordell II, M.
;
Kumar, A.
;
Latessa, J.
;
Lee, Y. -j.
;
Lopez, A.
;
Mak, S.
;
Martin, C.
;
Mehryar, H.
;
Mengel, T.
;
Mulligan, J.
;
Nattrass, C.
;
Putschke, J. H.
;
Roland, G.
;
Schenke, B.
;
Schwiebert, L.
;
Silva, A.
;
Sirimanna, C.
;
Soltz, R. A.
;
Staudenmaier, J.
;
Strickland, M.
;
Tachibana, Y.
;
Wang, X. -n.
;
Wolpert, R. L.
;
JETSCAPE Collaboration
Número total de Autores: 57
|
| Tipo de documento: | Artigo Científico |
| Fonte: | PHYSICAL REVIEW C; v. 106, n. 6, p. 11-pg., 2022-12-05. |
| Resumo | |
We use a Bayesian-calibrated multistage viscous hydrodynamic model to explore deuteron yield, mean transverse momentum and flow observables in Pb-Pb collisions at the Large Hadron Collider. We explore theoretical uncertainty in the production of deuterons, including (i) the contribution of thermal deuterons, (ii) models for the subsequent formation of deuterons (hadronic transport vs coalescence), and (iii) the overall sensitivity of the results to the hydrodynamic model, in particular to bulk viscosity, which is often neglected in studies of deuteron production. Using physical parameters set by a comparison to only light hadron observables, we find good agreement with measurements of the mean transverse momentum (pT) and elliptic flow v2 of deuterons; however, tension is observed with experimental data for the deuteron multiplicity in central collisions. The results are found to be sensitive to each of the mentioned theoretical uncertainties, with a particular sensitivity to bulk viscosity, indicating that the latter is an important ingredient for an accurate treatment of deuteron production. (AU) | |
| Processo FAPESP: | 17/05685-2 - Física hadrônica em colisões nucleares de altas energias |
| Beneficiário: | Jun Takahashi |
| Modalidade de apoio: | Auxílio à Pesquisa - Projetos Especiais |
| Processo FAPESP: | 16/24029-6 - A investigação da força nuclear forte sob condições extremas |
| Beneficiário: | Matthew William Luzum |
| Modalidade de apoio: | Auxílio à Pesquisa - Jovens Pesquisadores |
| Processo FAPESP: | 21/08465-9 - Dinâmica inicial de colisões nucleares ultrarelativísticas do momento transversal final |
| Beneficiário: | Matthew William Luzum |
| Modalidade de apoio: | Bolsas no Exterior - Pesquisa |
| Processo FAPESP: | 18/24720-6 - Exploração do diagrama de fase da QCD |
| Beneficiário: | Frédérique Marie Brigitte Sylvie Grassi |
| Modalidade de apoio: | Auxílio à Pesquisa - Temático |