期刊
PHYSICAL REVIEW C
卷 85, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.85.031601
关键词
-
资金
- US Department of Energy Office of Nuclear Physics
Evaporation residue cross sections for Sn-124,Sn-126,Sn-127,Sn-128 + Ni-64 and Sn-132 + Ni-58 have been measured to study the effects of neutron excess in neutron-rich radioactive nuclei on the fusion probability. A comparison of the reduced evaporation residue cross sections for Sn-126 + Ni-64 and Sn-132 + Ni-58, which make the same compound nucleus, shows that the fusion probability is indistinguishable for reactions involving the same atomic elements, Sn and Ni, but different isotope combinations. For the reactions with Ni-64, the fusion probability does not decrease with increasing neutron excess in Sn, contrary to the result of the stable beam Sn + Zr measurement.
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