par Hukkanen, M.;Ryssens, Wouter ;Ascher, P.;Bender, M.;Eronen, T.;Grévy, Stéphane;Kankainen, Anu;Stryjczyk, M.;Al Ayoubi, L.;Ayet, S.;Beliuskina, O.;Delafosse, C.;Ge, Z.;Gerbaux, M.;Gins, W.;Husson, A.;Jaries, A.;Kujanpää, S.;Mougeot, Romain;Nesterenko, D. A.;Nikas, S.;Penttilä, H.;Pohjalainen, I.;Raggio, A.;Reponen, M.;Rinta-Antila, S.;de Roubin, A.;Ruotsalainen, J.;Virtanen, V.;Weaver, A. P.
Référence Physical Review C, 108, 6
Publication Publié, 2023-12
Référence Physical Review C, 108, 6
Publication Publié, 2023-12
Article révisé par les pairs
Résumé : | We report on precision mass measurements of Ru113,115,117 performed with the JYFLTRAP double Penning trap mass spectrometer at the Accelerator Laboratory of University of Jyväskylä. The phase-imaging ion-cyclotron-resonance technique was used to resolve the ground and isomeric states in Ru113,115 and enabled for the first time a measurement of the isomer excitation energies, Ex(Rum113)=100.5(8) keV and Ex(Rum115)=129(5) keV. The ground state of Ru117 was measured using the time-of-flight ion-cyclotron-resonance technique. The new mass-excess value for Ru117 is around 36 keV lower and seven times more precise than the previous literature value. With the more precise ground-state mass values, the evolution of the two-neutron separation energies is further constrained and a similar trend as predicted by the BSkG1 model is obtained up to the neutron number N=71. |