Comparison of practical expressions for E1 photon strength functions
1 Taras Shevchenko National University of Kyiv, Volodymyrska str.60, Kyiv 01601, Ukraine
2 Institute for Nuclear Research, Prosp. Nauki 47, Kyiv 03028, Ukraine
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Published online: 30 September 2020
The closed-form expressions for the photon strength functions (PSF) are tested using the gamma-decay data of OSLO group. The theoretical calculations are performed for the Lorentzian models of PSF for electric and magnetic dipole gamma-rays. The criteria of minimum of least-square value as well as the root-mean-square deviation factor are used. It is shown that a rather good agreement is obtained within the Simple Modified Lorentzian model for E1 PSF modelling.
© The Authors, published by EDP Sciences, 2020
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