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Title: Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions

Abstract

We discuss quantum effects in the diffusion process which is used to describe the shape evolution from the touching configuration of fusing two nuclei to a compound nucleus. Applying the theory with quantum effects to the case where the potential field, the mass and the friction parameters are adapted to realistic values of heavy-ion collisions, we show that the quantum effects play significant roles at low temperatures which are relevant to the synthesis of superheavy elements. We also discuss the mass distribution of the quasi-fission fragments calculated in the two-dimensional quantum Langevin approach.

Authors:
;  [1];  [2]
  1. Department of Physics, Tohoku University, 980-8578 Sendai (Japan)
  2. Physics Department, Tennessee Technological University, Cookeville, Tennessee 38505 (United States)
Publication Date:
OSTI Identifier:
21056771
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 891; Journal Issue: 1; Conference: 6. Symposium on nuclear physics, Tours (France), 5-8 Sep 2006; Other Information: DOI: 10.1063/1.2713546; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; COMPOUND NUCLEI; DIFFUSION; FISSION FRAGMENTS; FRICTION; HEAVY ION FUSION REACTIONS; HEAVY NUCLEI; MASS DISTRIBUTION; NUCLEAR TEMPERATURE; POTENTIALS; QUASI-FISSION; TRANSACTINIDE ELEMENTS; TWO-DIMENSIONAL CALCULATIONS

Citation Formats

Washiyama, Kouhei, Takigawa, Noboru, and Ayik, Sakir. Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions. United States: N. p., 2007. Web. doi:10.1063/1.2713546.
Washiyama, Kouhei, Takigawa, Noboru, & Ayik, Sakir. Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions. United States. doi:10.1063/1.2713546.
Washiyama, Kouhei, Takigawa, Noboru, and Ayik, Sakir. Mon . "Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions". United States. doi:10.1063/1.2713546.
@article{osti_21056771,
title = {Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions},
author = {Washiyama, Kouhei and Takigawa, Noboru and Ayik, Sakir},
abstractNote = {We discuss quantum effects in the diffusion process which is used to describe the shape evolution from the touching configuration of fusing two nuclei to a compound nucleus. Applying the theory with quantum effects to the case where the potential field, the mass and the friction parameters are adapted to realistic values of heavy-ion collisions, we show that the quantum effects play significant roles at low temperatures which are relevant to the synthesis of superheavy elements. We also discuss the mass distribution of the quasi-fission fragments calculated in the two-dimensional quantum Langevin approach.},
doi = {10.1063/1.2713546},
journal = {AIP Conference Proceedings},
number = 1,
volume = 891,
place = {United States},
year = {Mon Feb 26 00:00:00 EST 2007},
month = {Mon Feb 26 00:00:00 EST 2007}
}