New measurement of cross section of evaporation residues from ${}^{\text{nat}}$Pr+${}^{12}$C reaction: A comparative study on the production of ${}^{149}$Tb

Abstract

Production cross sections of evaporation residues, ${}^{149}$Tb, ${}^{150}$Tb, ${}^{151}$Tb and ${}^{149}$Gd, have been measured using the stacked foil technique followed by off-line $\gamma$-spectrometry in ${}^{12}$C induced reactions on naturally abundant mononuclidic praseodymium target in the 44-79 MeV incident energy range. Measured data have been interpreted comparing with previous measurements and theoretical prediction of nuclear reaction model code \textsc{PACE4}. About 5% and 14% of the theoretical cross sections have been measured for ${}^{149}$Tb and ${}^{150}$Tb, respectively. The new cross sections of ${}^{149}$Tb complement those measured earlier by $\alpha$-spectrometry. Cross sections of ${}^{151}$Tb are comparable to the theory. Cumulative cross section of ${}^{149}$Gd sheds light on the nuclear reaction mechanism. In addition, a discussion has been made to show the feasibility of producing ${}^{149}$Tb in $p$- and $\alpha$-induced reactions on gadolinium isotopes.

arXiv comment15 pages, 5 figures

References in corpus (2)

• Production of ${}^{93,94,95,96}$Tc through ${}^7$Li+${}^{nat}$Zr and ${}^9$Be+${}^{nat}$Y reactions: Measurement of excitation functions
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