Yayınlanmış 1 Ocak 2018
| Sürüm v1
Dergi makalesi
Açık
M1 and E2 transition rates from core-excited states in semi-magic Ru-94
Oluşturanlar
- 1. Royal Inst Technol KTH, Dept Phys, SE-10691 Stockholm, Sweden
- 2. MTA Atomki, H-4001 Debrecen, Hungary
- 3. Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy
- 4. Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England
- 5. CEA DSM CNRS IN2P3, GANIL, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France
- 6. UGC DAE Consortium Sci Res, Kolkata Ctr, Kolkata 700098, India
- 7. Istanbul Univ, Fac Sci, Dept Phys, TR-34134 Istanbul, Turkey
Açıklama
Lifetimes of high-spin states have been measured in the semi-magic (N = 50) nucleus Ru-94. Excited states in Ru-94 were populated in the Ni-58(Ca-40, 4p)Ru-94* fusion-evaporation reaction at the Grand Accelerateur National d'Ions Lourds (GANIL) accelerator complex. DSAM lifetime analysis was performed on the Doppler broadened line shapes in energy spectra obtained from gamma-rays emitted while the residual nuclei were slowing down in a thick 6 mg/cm(2) metallic Ni-58 target. In total eight excited-state lifetimes in the angular momentum range I = (13-20)h have been measured, five of which were determined for the first time. The corresponding B(M1) and B(E2) reduced transition strengths are discussed within the framework of large-scale shell model calculations to study the contribution of different particle-hole configurations, in particular for analyzing contributions from core-excited configurations.
Dosyalar
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Dosyalar
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