TY - JOUR
T1 - Fusion hindrance in heavy systems with time-dependent Hartree-Fock
AU - Washiyama, Kouhei
N1 - Funding Information:
This work was funded by ImPACT Program of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan).
Publisher Copyright:
© The Authors, published by EDP Sciences, 2017.
PY - 2017/11/22
Y1 - 2017/11/22
N2 - We analyze fusion hindrance in heavy systems, where the fusion probability around the Coulomb barrier is hindered compared with that in light and medium-mass systems. We perform simulations of central collisions around the Coulomb barrier in heavy systems with time-dependent Hartree- Fock (TDHF) and find that the fusion hindrance is realized in TDHF simulations. We extract nucleus- nucleus potential and energy dissipation in heavy systems by a method combining a microscopic TDHF evolution to a macroscopic collective equation of motion. We find that the extracted potentials exhibit a dynamical increase at small relative distances, while the extracted friction coefficients show rather a behavior similar to that in light and medium-mass systems. We find from our analysis that the dynamical increase in potential is a main contribution to this fusion hindrance.
AB - We analyze fusion hindrance in heavy systems, where the fusion probability around the Coulomb barrier is hindered compared with that in light and medium-mass systems. We perform simulations of central collisions around the Coulomb barrier in heavy systems with time-dependent Hartree- Fock (TDHF) and find that the fusion hindrance is realized in TDHF simulations. We extract nucleus- nucleus potential and energy dissipation in heavy systems by a method combining a microscopic TDHF evolution to a macroscopic collective equation of motion. We find that the extracted potentials exhibit a dynamical increase at small relative distances, while the extracted friction coefficients show rather a behavior similar to that in light and medium-mass systems. We find from our analysis that the dynamical increase in potential is a main contribution to this fusion hindrance.
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U2 - 10.1051/epjconf/201716300064
DO - 10.1051/epjconf/201716300064
M3 - Conference article
AN - SCOPUS:85036610972
VL - 163
JO - EPJ Web of Conferences
JF - EPJ Web of Conferences
SN - 2101-6275
M1 - 00064
T2 - FUSION 2017
Y2 - 20 February 2017 through 24 February 2017
ER -