Journal
PHYSICAL REVIEW C
Volume 101, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.101.064614
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Funding
- National Research Foundation of Korea (NRF) - Korean government (Ministry of Science and ICT) [2016R1A5A1013277, 2018R1D1A1B07048599]
- Natural Sciences and Engineering Research Council of Canada
- NRF Grants [2016R1A5A1013277, 2019R1C1C1010571]
- NRF [2013M7A1A1075764]
- National Research Foundation of Korea (NRF) - Korean government (Ministry of Education) [2016R1A5A1013277, 2018R1D1A1B07048599]
- Rare Isotope Science Project of Institute for Basic Science - Ministry of Science and ICT
- Ministry of Science & ICT (MSIT), Republic of Korea [IBS-I001-01-2020-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2016R1A5A1013277, 2019R1C1C1010571] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A new transport code DaeJeon Boltzmann-Uehling-Uhlenbeck (DJBUU) has been developed and enables us to describe the dynamics of heavy-ion collisions in the low-energy region. To confirm the validity of the new code, we first calculate Au + Au collisions at E-beam = 100A and 400A MeV and also perform the box calculation to check the detail of collisions and Pauli blocking without using a mean-field potential as suggested by the Transport Code Comparison Project. After confirming the validity of new transport code, we study low-energy heavy-ion collisions by using an extended parity doublet model. Since the distinctive feature of the parity doublet model is the existence of the chiral-invariant mass that contributes to the nucleon mass, we investigate how physical quantities depend on the chiral-invariant mass in heavy-ion collisions at low energies. For this, we calculate physical quantities such as the effective nucleon mass in central collisions and transverse flow in semicentral collisions of Au + Au at E-beam = 400A MeV with different values of the chiral-invariant masses.
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