Cross sections of photoneutron reactions on 181Ta at E?max up to 95 MeV

Article Physics, Nuclear

Isomeric ratio of the 181Ta(γ, 3n)178m,gTa reaction products at energy Eγmax up to 95 MeV

O. S. Deiev et al.

Summary: The photoneutron reaction Ta-181(gamma, 3n)Ta-178m, Ta-g was investigated using the beam from the NSC KIPT electron linear accelerator LUE-40. The study focused on the isomeric ratio and average cross-section of the reaction products. The experimental results were compared with theoretical calculations, showing discrepancies with the absolute values and energy dependence.

CHINESE PHYSICS C (2022)

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Article Physics, Nuclear

Photoneutron reactions on 93Nb at Eγmax=33-93 MeV

A. N. Vodin et al.

Summary: In this study, bremsstrahlung flux-averaged cross-sections for photoneutron reactions on Nb-93 were measured and calculated, showing good agreement between experimental results and theoretical predictions. However, some discrepancies were observed in certain reactions. The isomeric ratios and average cross-sections for some reaction products were determined for the first time.

NUCLEAR PHYSICS A (2021)

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Article Physics, Nuclear

Cross-sections for the 27Al(γ, x)24Na multiparticle reaction at Eγmax=35-95 MeV

A. N. Vodin et al.

Summary: The study experimentally measured the bremsstrahlung flux-averaged cross-sections and the cross-sections per equivalent photon for the photonuclear multiparticle reaction Al-27(gamma, x; x = He-3 + pd + 2pn)Na-24. The experimental results were found to be 2.0-2.4 times higher than theoretical values and in good agreement with data from other laboratories. Special features of the calculation for the Al-27(gamma, x)Na-24 reaction, with the occurrence of three Al-27 photodisintegration channels, were also considered.

EUROPEAN PHYSICAL JOURNAL A (2021)

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Article Physics, Nuclear

Photoneutron cross-sections for the reactions 181Ta(γ, xn; x=1-8)181-xTa AT Eγmax=80-95 MeV

A. N. Vodin et al.

Summary: The flux-averaged cross-sections for Ta-181(gamma, xn; x = 1-8) reactions were measured at endpoint bremsstrahlung energies of 80-95 MeV. Experimental results showed good agreement between measured and theoretical values for (gamma,1-6n) reactions, but substantial differences for (gamma,7n) and (gamma,8n) reactions. Isomeric average cross-section ratios for a product from the Ta-181(gamma,3n) reaction were also obtained and compared with literature data and theoretical values.

EUROPEAN PHYSICAL JOURNAL A (2021)

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Article Physics, Particles & Fields

Studying the Population of 178m,177Ta in (γ, xn) Reactions

V. A. Zheltonozhsky et al.

Summary: The weighted average yields for Ta-177 and Ta-178m in (gamma, xn) reactions were measured for the first time, and simulation results demonstrated the dominance of statistical processes.

PHYSICS OF PARTICLES AND NUCLEI LETTERS (2021)

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Article Physics, Nuclear