High-spin structure of 104Pd

The high-spin structure of the nucleus ${}^{104}$Pd was studied through the ${}^{96}$Zr(${}^{13}$C,5$n$) reaction at incident energies of 51 and 58 MeV, using the Euroball IV $\ensuremath{\gamma}$-ray spectrometer in conjunction with the DIAMANT charged-particle array. Several new medium- and high-spin bands were revealed. The already known positive-parity yrast and the negative-parity cascades were extended up to ${E}_{x}\ensuremath{\sim}13$, $\ensuremath{\sim}\phantom{\rule{-0.16em}{0ex}}11$, and $\ensuremath{\sim}\phantom{\rule{-0.16em}{0ex}}9$ MeV with ${I}^{\ensuremath{\pi}}=({26}^{+}$), ${I}^{\ensuremath{\pi}}=({23}^{\ensuremath{-}}$), and (20${}^{\ensuremath{-}}$), respectively. The deduced band structures were compared with Woods-Saxon total Routhian surface (TRS) calculations. In addition, non-yrast low-lying positive-parity bands were identified, which were assigned to soft $\ensuremath{\gamma}$-vibrational excitations.