Quasiparticle alignments and α-decay fine structure of 175Pt
Peura, P., Scholey, C., Joss, D. T., Juutinen, S., Julin, R., Bäck, T., Cederwall, B., Greenlees, P., Jakobsson, U., Jones, P., Judson, D. S., Ketelhut, S., Labiche, M., Leino, M., Nyman, M., O’Donnell, D., Page, R. D., Rahkila, P., Ruotsalainen, P., . . . Watkins, H. V. (2014). Quasiparticle alignments and α-decay fine structure of 175Pt. Physical Review C, 89(2), Article 024316. https://doi.org/10.1103/PhysRevC.89.024316
Julkaistu sarjassa
Physical Review CTekijät
Bäck, T. |
Päivämäärä
2014Tekijänoikeudet
© 2014 American Physical Society. Published in this repository with the kind permission of the publisher.
Excited states and decay properties of 175Pt have been investigated using the 92Mo(86Sr,2pn) fusion-evaporation
reaction. The JUROGAM I γ -ray spectrometer and the GREAT spectrometer were used in conjunction with the
gas-filled recoil separator RITU for the measurement of the radiation at the target and focal plane positions,
respectively. Two new band structures, assigned to be based on the I π = (7/2
−) ground state in 175Pt, have been
established and the known yrast band has been extended up to I π = (49/2
+). Rotational properties of the excited
states in 175Pt have been investigated within the cranked shell-model formalism. The low-frequency changes in
the alignments of the positive- and negative-parity bands are interpreted as a sign of proton-pair excitations in the
rotating core. Furthermore, the α-decay measurements reveal a candidate for a fourth α-decay branch in 175Pt,
feeding a non-yrast state in 171Os.
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
0556-2813Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/23697266
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