Independent normalization for γ-ray strength functions: The shape method

doi:10.1103/PhysRevC.104.014311

2021-07-12

DOI：10.1103/PhysRevC.104.014311

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摘要

En 中文

The shape method, a novel approach to obtain the functional form of the gamma-ray strength function (gamma SF), is introduced. In connection with the Oslo method the slope of the nuclear level density (NLD) and gamma SF can be obtained simultaneously even in the absence of neutron resonance spacing data. The foundation of the shape method lies in the primary gamma-ray transitions which preserve information on the functional form of the gamma SF. The shape method has been applied to Fe-56, Zr-92, and Dy-164, which are representative cases for the variety of situations encountered in typical NLD and gamma SF studies. The comparisons of results from the shape method to those from the Oslo method demonstrate that the functional form of the gamma SF is retained regardless of nuclear structure details or J(pi) values of the states fed by the primary transitions.

Keyword:

NEUTRON-CAPTURE

LEVEL DENSITY

R-PROCESS

NUCLEAR

MODEL

NUCLEOSYNTHESIS

PARTICLE

IMPACT

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期刊

Physical Review C

IF:

3.4

论文数:

2.9W

被引数:

5.7W

机构

University of Witwatersrand

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1.4W

论文数: 1.1W

被引数: 12

national research foundation - south africa

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3.5K

论文数: 3.0K

被引数: 12

university of oslo

学者数:

4.2W

论文数: 3.5W

被引数: 53

michigan state university

学者数:

3.6W

论文数: 3.2W

被引数: 44

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