Isomeric States in Neutron-deficient A~80-90 Nuclei Populated in the Fragmentation of 107Ag
- Garnsworthy, A. B.
- Regan, P. H.
- Pietri, S.
- Sun, Y.
- Xu, F. R.
- Rudolph, Dirk
- Gorska, M.
- Caceres, L.
- Podolyak, Zs.
- Steer, S. J.
- Hoischen, Robert
- Heinz, A.
- Becker, F.
- Bednarczyk, P.
- Doornenbal, P.
- Geissel, H.
- Gerl, J.
- Grawe, H.
- Grebosz, J.
- Kelic, A.
- Kojouharov, I.
- Kurz, N.
- Montes, F.
- Prokopwicz, W.
- Saito, T.
- Schaffner, H.
- Tachenov, S.
- Werner-Malento, E.
- Wollersheim, H. J.
- Benzoni, G.
- Blank, B.
- Brandau, C.
- Bruce, A. M.
- Camera, F.
- Catford, W. N.
- Cullen, I. J.
- Dombradi, Zs.
- Estevez, E.
- Gelletly, W.
- Ilie, G.
- Jolie, J.
- Jones, G. A.
- Jungclaus, A.
- Kmiecik, M.
- Kondev, F. G.
- Kurtukian-Nieto, T.
- Lalkovski, S.
- Liu, Z.
- Maj, A.
- Myalski, S.
- Pfuetzner, M.
- Schwertel, S.
- Shizuma, T.
- Simons, A. J.
- Walker, P. M.
- Wieland, O.
DOIAbstract
The relativistic projectile fragmentation of a 750 MeV per nucleon beam of Ag-107 was used to populate isomeric states in neutron-deficient nuclei around A=80-90. Reaction products were separated and unambiguously identified using the GSI FRagment Separator (FRS) and its ancillary detectors. At the final focal plane, the fragments were slowed from relativistic energies by means of an aluminium degrader and implanted in a passive stopper in the center of the high-efficiency, high-granularity Stopped Rare Isotope Spectroscopic INvestigation at GSI (RISING) germanium array. This allowed the identification of excited states in the N=Z nuclei Tc-86(43) and, for the first time, Nb-82(41). Isomeric states have also been identified for the first ti...
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