Gamma-decay Lifetime Measurements in the Second Minimum of 58Cu

Summary, in English

The individual lifetimes of three low-lying states in the proton-decaying well-deformed rotational band in the second minimum of the N = Z nucleus Cu-58 were determined. Doppler-shift attenuated gamma -ray lineshapes were analyzed following the fusion-evaporation reaction C-40,(Mg-24,1 alpha 1p1n)Cu-58 and using the EUROBALL gamma -ray spectrometer coupled to ancillary detector systems. The deduced transitional quadrupole moments confirm the predicted increase of deformation towards the bottom of the band. The gamma decay-out strength hints towards a nonstatistical pattern.

• Author: Dirk Rudolph; Claes Fahlander; A. Algora; Corina Andreoiu; R. Cardona; C. Chandler; G. de Angelis; E. Farnea; A. Gadea; J. G. Narro; J. Nyberg; M. Palacz; Z. Podolyak; T. Steinhardt; O. Thelen
• Department/s: Nuclear physics
• Publishing year: 2001
• Language: English
• Publication/Series: Physical Review C (Nuclear Physics)
• Volume: 63
• Issue: 2
• Links: http://prc.aps.org/abstract/PRC/v63/i2/e021301; http://dx.doi.org/10.1103/PhysRevC.63.021301
• Document type: Journal article
• Publisher: American Physical Society
• Topic: Subatomic Physics
• Status: Published
• Research group: Nuclear Structure
• ISBN/ISSN/Other: ISSN: 0556-2813