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Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions

Publication ,  Journal Article
Everett, D; Oliinychenko, D; Luzum, M; Paquet, JF; Vujanovic, G; Bass, SA; Du, L; Gale, C; Heffernan, M; Heinz, U; Kasper, L; Ke, W; Shen, C ...
Published in: Physical Review C
December 1, 2022

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.

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Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

December 1, 2022

Volume

106

Issue

6

Related Subject Headings

  • 5106 Nuclear and plasma physics
 

Citation

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Everett, D., Oliinychenko, D., Luzum, M., Paquet, J. F., Vujanovic, G., Bass, S. A., … Wolpert, R. L. (2022). Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions. Physical Review C, 106(6). https://doi.org/10.1103/PhysRevC.106.064901
Everett, D., D. Oliinychenko, M. Luzum, J. F. Paquet, G. Vujanovic, S. A. Bass, L. Du, et al. “Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions.” Physical Review C 106, no. 6 (December 1, 2022). https://doi.org/10.1103/PhysRevC.106.064901.
Everett D, Oliinychenko D, Luzum M, Paquet JF, Vujanovic G, Bass SA, et al. Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions. Physical Review C. 2022 Dec 1;106(6).
Everett, D., et al. “Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions.” Physical Review C, vol. 106, no. 6, Dec. 2022. Scopus, doi:10.1103/PhysRevC.106.064901.
Everett D, Oliinychenko D, Luzum M, Paquet JF, Vujanovic G, Bass SA, 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 RJ, Garza F, He Y, Jacak BV, Jacobs PM, Jeon S, Kelsey M, Kordell M, Kumar A, Latessa J, Lee YJ, Lopez A, Mak S, Martin C, Mehryar H, Mengel T, Mulligan J, Nattrass C, Putschke JH, Roland G, Schenke B, Schwiebert L, Silva A, Sirimanna C, Soltz RA, Staudenmaier J, Strickland M, Tachibana Y, Wang XN, Wolpert RL. Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions. Physical Review C. 2022 Dec 1;106(6).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

December 1, 2022

Volume

106

Issue

6

Related Subject Headings

  • 5106 Nuclear and plasma physics