arxiv: nucl-ex/9812003 · v1 · submitted 1998-12-08 · ⚛️ nucl-ex

Energy dependence of the isomeric cross section ratio in the ⁵⁸Ni(n,p)⁵⁸Co^{m,g} reactions

V. Avrigeanu (1 , 2) , S. Sud\'ar (2) , Cs. M. Buczk\'o (2) , J. Csikai (2) , A.A. Filatenkov (3) , S.V. Chuvaev (2 , 3)

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R. D\'oczi (2) V. Semkova (2 4) V.A. Zelenetsky (5) ((1) Institute for Physics Nuclear Engineering Bucharest Romania (2) Institut of Experimental Physics Kossuth University Debrecen Hungary (3) V.G. Khlopin Radium Institute St. Petersburg Russia (4) Institute of Nuclear Research Nuclear Energy Sofia Bulgaria (5) Institute of Atomic Energetics Obninsk Russia)

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Excitation functions of the $^{58}$Ni$(n,p)^{58}$Co$^{m,g}$ reactions were measured in the energy range from 2 to 15 MeV. The energy dependence of the isomeric cross-section ratio R=sigma_m/(sigma_m+sigma_g) is deduced from the measured data. The shape and magnitude of the R(E_n) function are described by model calculations using a consistent parameter set. Questions of the input level scheme were solved based on the accurate isomeric ratio measured at low energy region.

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Energy dependence of the isomeric cross section ratio in the ⁵⁸Ni(n,p)⁵⁸Co^{m,g} reactions

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