Abstract
Excited states of the nucleus $^{102}\mathrm{Ru}$ have been studied using the $^{96}\mathrm{Zr}$($^{10}\mathrm{B}$,$p3n$) reaction at a beam energy of $42\phantom{\rule{0.3em}{0ex}}\text{MeV}$. The emitted \ensuremath{\gamma} rays were detected with the Gammasphere spectrometer. The known positive-parity structure built on the second ${2}^{+}$ state was extended up to the ${10}^{+}$ and ${11}^{+}$ states. This structure has been interpreted as a quasi-\ensuremath{\gamma} band. Its energy staggering as a function of spin has been analyzed in order to derive information on the type of triaxiality present in $^{102}\mathrm{Ru}$, a nucleus that serves as one of the cores for chiral structures in the mass $A\ensuremath{\approx}100$ region.
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