Journal Article

FZJ-2017-00498

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Application of an extended random-phase approximation to giant resonances in light-, medium-, and heavy-mass nuclei

Tselyaev, V. ; Lyutorovich, N. ; Speth, J. (Corresponding author)FZJ* ; Krewald, S.FZJ* ; Reinhard, P.-G.

2016
Inst. Woodbury, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/13588  doi:10.1103/PhysRevC.94.034306

Abstract: We present results of the time blocking approximation (TBA) for giant resonances in light-, medium-, and heavy-mass nuclei. The TBA is an extension of the widely used random-phase approximation (RPA) adding complex configurations by coupling to phonon excitations. A new method for handling the single-particle continuum is developed and applied in the present calculations. We investigate in detail the dependence of the numerical results on the size of the single-particle space and the number of phonons as well as on nuclear matter properties. Our approach is self-consistent, based on an energy-density functional of Skyrme type where we used seven different parameter sets. The numerical results are compared with experimental data.

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Contributing Institute(s):

1. Theorie der Starken Wechselwirkung (IAS-4)
2. Theorie der starken Wechselwirkung (IKP-3)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)
2. 531 - Condensed Matter and Molecular Building Blocks (POF3-531) (POF3-531)

Appears in the scientific report 2016

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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