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2015•Journal of Physics Conference SeriesOpen access

Deformation effects in Giant Monopole Resonance

J. Kvasil, V. O. Nesterenko, A. Repko, D Bozik, W. Kleinig, P.‐G. Reinhard

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Abstract

The isoscalar giant monopole resonance (GMR) in Samarium isotopes (from spherical 144 Sm to deformed 148-154 Sm) is investigated within the Skyrme random-phase- approximation (RPA) for a variety of Skyrme forces. The exact RPA and its separable version (SRPA) are used for spherical and deformed nuclei, respectively. Consistently with earlier investigations, the quadrupole deformation is shown to yield two effects: the GMR broadens and attains a two-peak structure due to the coupling with the quadrupole giant resonance.

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The isoscalar giant monopole resonance (GMR) in Samarium isotopes (from spherical 144 Sm to deformed 148-154 Sm) is investigated within the Skyrme random-phase- approximation (RPA) for a variety of Skyrme forces. The exact RPA and its separable version (SRPA) are used for spherical and deformed nuclei, respectively. Consistently with earlier investigations, the quadrupole deformation is shown to yield two effects: the GMR broadens and attains a two-peak structure due to the coupling with the quadrupole giant resonance.

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Available abstract

The isoscalar giant monopole resonance (GMR) in Samarium isotopes (from spherical 144 Sm to deformed 148-154 Sm) is investigated within the Skyrme random-phase- approximation (RPA) for a variety of Skyrme forces. The exact RPA and its separable version (SRPA) are used for spherical and deformed nuclei, respectively. Consistently with earlier investigations, the quadrupole deformation is shown to yield two effects: the GMR broadens and attains a two-peak structure due to the coupling with the quadrupole giant resonance.

Key concepts: Isoscalar, Random phase approximation, Magnetic monopole, Quadrupole, Physics, Deformation (meteorology), Resonance (particle physics), Giant resonance

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