Colonna, M. (2025) Constraints on the nuclear EOS from heavy-ion collision simulations. Il nuovo cimento C, 48 (2). pp. 1-7. ISSN 1826-9885
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Abstract
Within the transport model evaluation project (TMEP) of simulations for heavy-ion collisions, we present a detailed study of the performance of different transport models for mean-field propagation in a box and in Sn+Sn collisions at 270 AMeV, with particular emphasis on the production of pions and Δ resonances, which are often employed as probes of the nuclear symmetry energy. Thus, we prescribe common and rather simple physics models, and follow in detail the results of several Boltzmann-Uehling-Uhlenbeck (BUU) models and quantum molecular dynamics (QMD) models. Concerning pion production, we find a convergence of the codes in the final charged pion yield ratio to a 1σ deviation of about 5%. However, the uncertainty is expected to be reduced to about 1.6% if improved Pauli blocking and calculation of the complex (non-linear) term in the mean-field potential are implemented in all codes.
| Item Type: | Article |
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| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 18 Apr 2025 11:54 |
| Last Modified: | 18 Apr 2025 11:54 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/23558 |
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