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आयतन 12, मुद्दा 10 (2021)

थीसिस

Evaluated 149,152,155 &161Tb Production Cross-Sections Using Gd(p, xn)Tb Reactions Near and Above Thershold

Kailash Pandey* and D P SIngh

The Production cross-section of radio-isotopes; 149, 152, 155 & 161Tb have been calculated via various reactions on the Gadolinium isotopes, using nuclear model codes EMPIRE 3.2 & PACE4 based on Hausher Feshback approach and compared with TENDL-2019 library (calculated by TALYS code). Threshold for the production of radio-isotope 149Tb through 152Gd (p, 4n) is 30 MeV (barrier height; 22.79 MeV) while for 152Tb & 155Tb through 155Gd (p, xn); x =1&4 channels are 6 & 28 MeV respectively. For 161Tb the production threshold through reaction channel 160Gd(p, γ) is around 6 MeV. Quite appreciable values of the production cross-sections of all the desired isotopes have been obtained within the studied energy range. The results presented in this work are significant as quite less experimental data is available for the studied isotopes, further the reaction channel studied provides an alternate pathway for production of these radio-isotopes having importance in nuclear medicine industry.

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