STATISTICAL AND NONSTATISTICAL NEUTRON DECAY OF THE GIANT ELECTRIC-DIPOLE RESONANCE OF PB-208

被引:12
作者
ALARCON, R [1 ]
COLE, PL [1 ]
DALE, DS [1 ]
DEBEVEC, PT [1 ]
MORFORD, LJ [1 ]
机构
[1] UNIV ILLINOIS, DEPT PHYS, CHAMPAIGN, IL 61820 USA
来源
PHYSICAL REVIEW C | 1991年 / 43卷 / 06期
关键词
D O I
10.1103/PhysRevC.43.R2470
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
The neutron decay of the giant electric dipole resonance of Pb-208 has been determined by a measurement of the differential cross section, d-sigma(E-gamma, E(n)/dE(n), of the Pb-208(gamma,n) reaction for 20 contiguous photon energy bands between 11.2 and 15.7 MeV. The statistical component of the decay was calculated in the Hauser-Feshbach formalism. A nonstatistical component of the decay to low-lying hole states is unambiguously identified. The magnitude of this component is strongly energy dependent.
引用
收藏
页码:R2470 / R2473
页数:4
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