Excited nuclear matter at Fermi energies: From transport properties to the equation of state

Abstract : Properties of excited nuclear matter are one of the main subject of investigation in Nuclear Physics. Indeed, the response of nuclear matter under extreme conditions encountered in heavy-ion induced reactions (large compression, thermal and collective excitations, isopin diffusion) around the Fermi energy is strongly needed when studying the nuclear equation of state and the underlying in-medium properties concerning the nuclear interaction. In this contribution, we will present some experimental results concerning the transport properties of nuclear matter, focusing specifically on the determination of in-medium quantities such as mean free pathes and nucleon-nucleon cross sections around the Fermi energy. We will see that, in this specific energy range, energy and isospin dissipations exhibit very peculiar features, such as the crossover between 1-body to 2-body dissipation regimes corresponding to the transition between the nuclear response from Mean-Field to the nucleonic response through the appearance of nucleon-nucleon collisions.
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O. Lopez, D. Durand, G. Lehaut. Excited nuclear matter at Fermi energies: From transport properties to the equation of state. 12th International Conference on Nucleus-Nucleus Collisions 2015, Jun 2015, catane, Italy. pp.07006, ⟨10.1051/epjconf/201611707006⟩. ⟨in2p3-01340242⟩

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