Yrast isomers in 95Ag, 95Pd, and 94Pd
- N., Marginean
- D., Bucurescu
- C., ROSSI ALVAREZ
- C. A., Ur
- L. D., Skouras
- L. P., Johnstone
- D., Bazzacco
- Lunardi, Santo
- G., DE ANGELIS
- M., Axiotis
- E., Farnea
- A., Gadea
- M., Ionescubujor
- A., Iordachescu
- W., Krolas
- Kroll, T. H.
- Lenzi, SILVIA MONICA
- T., Martinez
- R., Marginean
- R., Menegazzo
- D. R., Napoli
- Pavan, Pietro
- M., DE POLI
- B., Quintana
- C., Rusu
- P., Spolaore
- J., Wrzesinski
Publication date
January 2003
DOI Publisher
American Physical Society (APS) ISSN
0556-2813Abstract
The yrast level schemes of three neutron deficient nuclei with mass A 4895 have been studied with the reaction 58Ni+40Ca at 135 MeV, using the GASP \u3b3-ray array, the ISIS silicon ball, and the n-ring neutron detector. Excited levels, including a (23/2+) spin-gap isomer, are reported for the first time in the heaviest N=Z+1 nucleus experimentally investigated, 95Ag. In 95Pd, the yrast line above the ground state has been observed and connected to states above the known isomeric level 21/2+, showing for the first time that this is indeed a spin-gap isomer. In 94Pd, the 95.6-keV isomeric transition was confirmed, and its E2 character was firmly established. The experimental observations are compared with current shell-model calculations
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