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Excited states and reduced transition probabilities in 168Os

Grahn, T, Stolze, S, Joss, JT, Page, RD, Saygi, B, O'Donnell, D, Akmali, M, Andgren, K, Bianco, L, Cullen, DM , Dewald, A, Greenlees, PT, Heyde, K, Iwasaki, H, Jakobsson, U, Jones, P, Judson, DS, Julin, R, Juutinen, S, Ketelhut, S, Leino, M, Lumley, N, Mason, PJR, Moller, O, Nomura, K, Nyman, M, Petts, A, Peura, P, Pietralla, N, Pissulla, T, Rahkila, P, Sapple, PJ, Saren, J, Scholey, C, Simpson, J, Sorri, J, Stevenson, PD, Uusitalo, J, Watkins, HV and Wood, JL (2016) Excited states and reduced transition probabilities in 168Os Physical Review C: Nuclear Physics, 94 (4).

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Abstract

The level scheme of the neutron-deficient nuclide 168Os has been extended and mean lifetimes of excited states have been measured by the recoil distance Doppler-shift method using the JUROGAM \gamma-ray spectrometer in conjunction with the IKP K\"oln plunger device. The 168Os \gamma rays were measured in delayed coincidence with recoiling fusion-evaporation residues detected at the focal plane of the RITU gas-filled separator. The ratio of reduced transition probabilities B(E2;4_1^+ \rightarrow 2_1^+)/B(E2;2_1^+ \rightarrow 0_1^+) is measured to be 0.34(18), which is very unusual for collective band structures and cannot be reproduced by IBM-2 model calculations based on the SkM* energy-density functional.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Grahn, TUNSPECIFIEDUNSPECIFIED
Stolze, SUNSPECIFIEDUNSPECIFIED
Joss, JTUNSPECIFIEDUNSPECIFIED
Page, RDUNSPECIFIEDUNSPECIFIED
Saygi, BUNSPECIFIEDUNSPECIFIED
O'Donnell, DUNSPECIFIEDUNSPECIFIED
Akmali, MUNSPECIFIEDUNSPECIFIED
Andgren, KUNSPECIFIEDUNSPECIFIED
Bianco, LUNSPECIFIEDUNSPECIFIED
Cullen, DMUNSPECIFIEDUNSPECIFIED
Dewald, AUNSPECIFIEDUNSPECIFIED
Greenlees, PTUNSPECIFIEDUNSPECIFIED
Heyde, KUNSPECIFIEDUNSPECIFIED
Iwasaki, HUNSPECIFIEDUNSPECIFIED
Jakobsson, UUNSPECIFIEDUNSPECIFIED
Jones, PUNSPECIFIEDUNSPECIFIED
Judson, DSUNSPECIFIEDUNSPECIFIED
Julin, RUNSPECIFIEDUNSPECIFIED
Juutinen, SUNSPECIFIEDUNSPECIFIED
Ketelhut, SUNSPECIFIEDUNSPECIFIED
Leino, MUNSPECIFIEDUNSPECIFIED
Lumley, NUNSPECIFIEDUNSPECIFIED
Mason, PJRUNSPECIFIEDUNSPECIFIED
Moller, OUNSPECIFIEDUNSPECIFIED
Nomura, KUNSPECIFIEDUNSPECIFIED
Nyman, MUNSPECIFIEDUNSPECIFIED
Petts, AUNSPECIFIEDUNSPECIFIED
Peura, PUNSPECIFIEDUNSPECIFIED
Pietralla, NUNSPECIFIEDUNSPECIFIED
Pissulla, TUNSPECIFIEDUNSPECIFIED
Rahkila, PUNSPECIFIEDUNSPECIFIED
Sapple, PJUNSPECIFIEDUNSPECIFIED
Saren, JUNSPECIFIEDUNSPECIFIED
Scholey, CUNSPECIFIEDUNSPECIFIED
Simpson, JUNSPECIFIEDUNSPECIFIED
Sorri, JUNSPECIFIEDUNSPECIFIED
Stevenson, PDUNSPECIFIEDUNSPECIFIED
Uusitalo, JUNSPECIFIEDUNSPECIFIED
Watkins, HVUNSPECIFIEDUNSPECIFIED
Wood, JLUNSPECIFIEDUNSPECIFIED
Date : 28 October 2016
Identification Number : 10.1103/PhysRevC.94.044327
Copyright Disclaimer : ©2016 American Physical Society
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 14 Oct 2016 10:42
Last Modified : 31 Oct 2017 18:46
URI: http://epubs.surrey.ac.uk/id/eprint/812407

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