The Giant Monopole and Dipole Resonances within the Constrained Molecular Dynamics (CoMD) Framework


HNPS2021 Proceedings Cover
Published: Oct 17, 2022
Keywords:
giant resonances nuclear equation of state nuclear theory constrained molecular dynamics
Teo Depastas
Georgios Souliotis
Konstantina Palli
Aldo Bonasera
Hua Zheng
Abstract
The Constrained Molecular Dynamics (CoMD) model is used to describe the collective motion of various nuclear systems. A CoMD-inspired phenomenology for the GDR is developed. In addition, the dependence of the GDR upon the effective interaction parameters is studied. Furthermore, both the monopole and dipole main and soft modes of 68Ni are reliably reproduced. We conclude that a hard EoS with K=308 MeV increases the GDR energy, without altering the GMR energy. Thus, this EoS gives rather consistent results in both the monopole and dipole giant resonances.
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