Level Densities of Iron Isotopes and Lower-Energy Enhancement of (gamma)-strentgh Function.

Voinov, A. V. ; Grimes, S. M. ; Agvaanluvsan, U. ; Algin, E. ; Belgya, T. ; Brune, D. R.

Technical Information Center Oak Ridge Tennessee

关键词: Iron isotopes;    Energy-level density;    Energy dependence;    Excitation;    Neutrons;   

RP-ID  :  DE2006875643

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

The neutron spectrum from the (sup 55)Mn(d,n)(sup 56)Fe reaction has been measured at E(sub d) = 7 MeV. The level density of (sup 56)Fe obtained from neutron evaporation spectrum has been compared to the level density from Oslo-type (sup 57)Fe((sup 3)He, a(gamma))(sup 56)Fe experiment. The good agreement supports the recent results including an availability of a low-energy enhancement in the (gamma)-strength function for iron isotopes. The new level density function allowed us to investigate an excitation energy dependence of this enhancement, which is shown to increase with increasing excitation energy.