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Effect of the neutron skin on collective states of nuclei

P. Van Isacker, M.A. Nagarajan, D.D. Warner

Open publisher page 110 citations

Abstract

The effect of a neutron skin on the collective states of medium and heavy-mass nuclei is discussed. We consider two well-known collective modes which correspond to the motion of neutrons with respect to protons, namely, the M1 (scissors) and the isovector E1 (giant dipole) resonance. For nuclei with a sufficient excess of neutrons the behavior of the ``pygmy resonance'' is also discussed.

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What this paper is about

The effect of a neutron skin on the collective states of medium and heavy-mass nuclei is discussed. We consider two well-known collective modes which correspond to the motion of neutrons with respect to protons, namely, the M1 (scissors) and the isovector E1 (giant dipole) resonance. For nuclei with a sufficient excess of neutrons the behavior of the ``pygmy resonance'' is also discussed.

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Available abstract

The effect of a neutron skin on the collective states of medium and heavy-mass nuclei is discussed. We consider two well-known collective modes which correspond to the motion of neutrons with respect to protons, namely, the M1 (scissors) and the isovector E1 (giant dipole) resonance. For nuclei with a sufficient excess of neutrons the behavior of the ``pygmy resonance'' is also discussed.

Key concepts: Isovector, Physics, Neutron, Resonance (particle physics), Dipole, Nuclear physics, Collective motion, Giant resonance

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