Phys.Rev. C 89, 024316 (2014)

P.Peura, C.Scholey, D.T.Joss, S.Juutinen, R.Julin, T.Back, B.Cederwall, P.T.Greenlees, U.Jakobsson, P.Jones, D.S.Judson, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, D.O'Donnell, R.D.Page, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Simpson, J.Thomson, J.Uusitalo, H.V.Watkins

Quasiparticle alignments and α-decay fine structure of ¹⁷⁵Pt

RADIOACTIVITY ¹⁷⁵Pt(α)[from ⁹²Mo(⁸⁶Sr, n2p)]; measured Eα, Iα, Eγ, ce, half-life, α-branching ratio. ¹⁷¹Os; deduced levels, J, π, K-conversion coefficient, multipolarity, reduced widths, α hindrance factors. ^171,172Ir, ¹⁷⁴Pt(α); measured Eα, half-life. ^172,173,176Pt, ¹⁷⁵Au(α); observed α lines.

NUCLEAR REACTIONS ⁹²Mo(⁸⁶Sr, n2p), E=403 MeV; measured Eγ, Iγ, Eα, γγ-, γα-, (particle)γ-coin, γ(θ), angular anisotropy using RITU separator, JUROGAM-I array and GREAT spectrometer at JYFL-cyclotron facility. Recoil-decay tagging technique. ¹⁷⁵Pt; deduced high-spin levels, J, π, multipolarity, bands, B(M1)/B(E2), configurations, alignment plots for ¹⁶⁹Hf, ¹⁷¹W, ¹⁷³Os and ¹⁷⁵Pt, proton-pair excitations in the rotating core; calculated single-particle Routhians for quasineutrons and quasiprotons using cranked shell-model formalism. ^167,168Re, ^171,172,174Os, ^174,176Pt, ¹⁷⁵Ir; observed γ rays.

doi: 10.1103/PhysRevC.89.024316