Quantal nucleon diffusion: Central collisions of symmetric nuclei

S. Ayik, O. Yilmaz, B. Yilmaz, and A. S. Umar
Phys. Rev. C 94, 044624 – Published 28 October 2016

Abstract

The quantal diffusion mechanism of nucleon exchange is studied in the central collisions of several symmetric heavy ions in the framework of the stochastic mean-field (SMF) approach. Since, at bombarding energies below the fusion barrier, dinuclear structure is maintained, it is possible to describe nucleon exchange as a diffusion process familiar from deep-inelastic collisions. Quantal diffusion coefficients, including memory effects, for proton and neutron exchanges are extracted microscopically employing the SMF approach. The quantal calculations of neutron and proton variances are compared with the semiclassical results.

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  • Received 6 September 2016
  • Revised 3 October 2016

DOI:https://doi.org/10.1103/PhysRevC.94.044624

©2016 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

S. Ayik1,*, O. Yilmaz2, B. Yilmaz3, and A. S. Umar4

  • 1Physics Department, Tennessee Technological University, Cookeville, Tennessee 38505, USA
  • 2Physics Department, Middle East Technical University, 06800 Ankara, Turkey
  • 3Physics Department, Faculty of Sciences, Ankara University, 06100 Ankara, Turkey
  • 4Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA

  • *ayik@tntech.edu

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Issue

Vol. 94, Iss. 4 — October 2016

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