Yield Ratios of the Isomeric Pair \(^{179m,g}\)W Produced in the \(^{nat}\)W(g,xn)\(^{179m,g}\)W Reactions with 50-65 MeV Bremsstrahlung

Nguyen Van Do, Pham Duc Khue, Nguyen Thi Xuan, Bui Van Loat, Nguyen Thi Hien, Guinyun Kim

Abstract


In this work we present the yield ratios of the \(^{179m,g}\)W isomeric pair produced in the photonuclear reactions \(^{nat}\)W(g,xn)\(^{179m,g}\)W  with bremsstrahlung end-point energies of 50-, 55-, 60-, and 65-MeV. The measurements were carried out by the induced activity method in combination with direct gamma-ray spectrometry. The measured activities were corrected for overlapping gamma-ray peaks, self-absorption of low energy gamma-rays and true coincidence summing effects. The present results  are measured for the first time with bremsstrahlung end-point energies beyond the giant dipole resonance region. The obtained results are discussed with respect to the incident bremsstrahlung energies and reaction channel effect.

Keywords


Isomeric ratio; Photonuclear reaction; natW(g,xn)179m,gW; gamma-spectrometry.

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DOI: https://doi.org/10.15625/0868-3166/27/3/10502

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