Shape coexistence in Hg-178

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http://hdl.handle.net/10138/303002

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Müller-Gatermann , C , Dewald , A , Fransen , C , Auranen , K , Badran , H , Beckers , M , Blazhev , A , Braunroth , T , Cullen , D M , Fruet , G , Goldkuhle , A , Grahn , T , Greenlees , P T , Herzan , A , Jakobsson , U , Jenkins , D , Jolie , J , Julin , R , Juutinen , S , Konki , J , Leino , M , Litzinger , J , Nomura , K , Pakarinen , J , Peura , P , Procter , M G , Rahkila , P , Ruotsalainen , P , Sandzelius , M , Saren , J , Scholey , C , Sorri , J , Stolze , S , Taylor , M J , Uusitalo , J & Zell , K O 2019 , ' Shape coexistence in Hg-178 ' , Physical Review C , vol. 99 , no. 5 , 054325 . https://doi.org/10.1103/PhysRevC.99.054325

Title: Shape coexistence in Hg-178
Author: Müller-Gatermann, C.; Dewald, A.; Fransen, C.; Auranen, K.; Badran, H.; Beckers, M.; Blazhev, A.; Braunroth, T.; Cullen, D. M.; Fruet, G.; Goldkuhle, A.; Grahn, T.; Greenlees, P. T.; Herzan, A.; Jakobsson, U.; Jenkins, D.; Jolie, J.; Julin, R.; Juutinen, S.; Konki, J.; Leino, M.; Litzinger, J.; Nomura, K.; Pakarinen, J.; Peura, P.; Procter, M. G.; Rahkila, P.; Ruotsalainen, P.; Sandzelius, M.; Saren, J.; Scholey, C.; Sorri, J.; Stolze, S.; Taylor, M. J.; Uusitalo, J.; Zell, K. O.
Contributor: University of Helsinki, Department of Chemistry
University of Helsinki, Helsinki Institute of Physics
Date: 2019-05-21
Language: eng
Number of pages: 7
Belongs to series: Physical Review C
ISSN: 2469-9985
URI: http://hdl.handle.net/10138/303002
Abstract: Lifetime measurements of excited states in Hg-178 have been performed using the Rh-103(Kr-78, p2n) reaction at a beam energy of 354 MeV. The recoil-decay tagging (RDT) technique was applied to select the Hg-178 nuclei and associate the prompt gamma rays with the correlated characteristic ground-state alpha decay. Lifetimes of the four lowest yrast states of Hg-178 have been determined using the recoil distance Doppler-shift (RDDS) method. The experimental data are compared to theoretical predictions with focus on shape coexistence. The results confirm the shift of the deformed prolate structures to higher lying states but also indicate their increasing deformation with decreasing neutron number.
Subject: MERCURY
LIFETIMES
PLUNGER
STATES
GE
114 Physical sciences
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