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The Quantum Dancing of Hot Atomic Nuclei: A New Theoretical Approach

Faculty Mentor

Dr. Elena Litvinova

Department

Physics

Presentation Date

4-13-2017

Document Type

Poster

Abstract

We study the nuclear excitation spectra in the two energy domains: the low energy region (below 10 MeV) and giant resonance (GR) region (10-30 MeV). In the low energy region, the experimentally discovered upbend of the radiative dipole strength function is very important as it has an impact on the rapid neutron capture cross sections, which are used, in particular, for the r-process nucleosynthesis studies.

Thermal continuum quasiparticle random-phase approximation (TCQRPA) is one of the models which attempts to explain this phenomenon. The deficiency of TCQRPA is the absence of quasiparticle vibration coupling (QVC) mechanism, which is already included in relativistic time-blocking approximation (RTBA).

In this poster, we provide the brief description of TBA and present the preliminary results of the finite temperature generalization of RTBA using the Matsubara Green’s function formalism

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