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- Title
Measurement of photo-neutron cross-sections of Y with bremsstrahlung energies of 45 and 55 MeV.
- Authors
Zaman, Muhammad; Kim, Guinyun; Naik, Haladhara; Kim, Kwangsoo; Shin, Sung-Gyun; Tatari, Mansoureh; Cho, Moo-Hyun
- Abstract
The cross-sections for Y(γ, n)Y, Y(γ, 2n)Y, Y(γ, 3n)Y, and Y(γ, 4n)Y reactions in the end-point bremsstrahlung energies of 45 and 55 MeV have been determined for the first time by an activation and an off-line γ-ray spectrometric techniques using the electron linear accelerator in Pohang accelerator laboratory. The photon-induced reaction cross-sections of Y as a function of photon energy were calculated using the TALYS 1.4. The flux-weighted average cross-sections were obtained from the existing experimental data and the theoretical values of the TALYS 1.4 with the mono-energetic photons. The present results for Y(γ, xn; x = 1-4) reactions are compared with the flux-weighted average values from the literature and those from the TALYS 1.4. It was shown that the Y(γ, xn, x = 1-4) reaction cross-sections increase sharply from their threshold values to certain energies, where other reaction channels opens. Then it remains constant a while, where the next reaction channel increases. There after it decrease slowly with increase of bremsstrahlung energy due to opening of different reaction channels.
- Subjects
NEUTRONS; BREMSSTRAHLUNG; ACTIVATION cross sections; NUCLEAR energy; YTTRIUM; PHOTONS
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2014, Vol 299, Issue 3, p1739
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-013-2914-z