Deformation of Intruder Bands in 179Ir
Nuclear physics
Physics Letters B Vol. 332 Issues 3-4, (1994) 265.
Authors:
D. Müller, A. Virtanen, R. Julin, S. Juutinen, A. Lampinen, M. Piiparinen, S. Törmänen, F. Christancho, A.P. Byrne, G.D. Dracoulis, B. Fabricius, C. Fahlander, A. Johnson, K.P. Lieb, J. Nyberg, I. Thorslund, R. Wyss
Summary
Level lifetimes for the low-Ω πh9/2 and πh13/2 intruder bands in 179Ir up to spin 37/2 and 49/2, respectively, have been determined using the recoil-distance and Doppler-shift attenuation methods.
The results reveal that transition quadrupole moments of the band are almost 30% larger than those of the band. Furthermore, there is no indication of rotational stretching. Lifetime results and total Routhian surface calculations are discussed in conjunction with the deformation-driving effects of the different proton orbitals.
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