Formation of transfermium elements in reactions with 208Pb

被引：0
|
作者：
Albertsson, M. [1 ,2 ]
Carlsson, B. G. [2 ]
Dossing, T. [3 ]
Randrup, J. [1 ]
Rudolph, D. [4 ]
Aberg, S. [2 ]
机构：
[1] Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA
[2] Lund Univ, Div Math Phys, S-22100 Lund, Sweden
[3] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[4] Lund Univ, Div Particle & Nucl Phys, S-22100 Lund, Sweden
来源：
PHYSICAL REVIEW C | 2024年 / 110卷 / 01期
基金：
瑞典研究理事会;
关键词：
DYNAMICS; FISSION; FUSION;
D O I：
10.1103/PhysRevC.110.014624
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Within the Langevin framework, we investigate the dynamics of the fusion process for production of transfermium elements in reactions of 48 Ca, 50 Ti, 54 Cr, and 58 Fe with 208 Pb. After the reacting nuclei have made contact, the early dynamical stage is dominated by the dissipation of the initial radial kinetic energy, while the subsequent shape evolution is diffusive. The probability for surmounting the inner barrier and forming a compound system is obtained by simulating the evolution as a Metropolis random walk in a five-dimensional potential-energy landscape. Good agreement with the available data is obtained, especially for the maximal formation probability.
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页数：9
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