Direct + Semidirect E1 Photoneutron Reactions: Semimicroscopic Description

The particle-hole dispersive optical model is implemented to describe together E 1 photo-absorption and direct + semidirect photoneutron reactions accompanied by excitation of the giant dipole resonance. Being based on this description, a quantitative estimation of the partial and total branching ra...

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Veröffentlicht in:Physics of particles and nuclei 2019-09, Vol.50 (5), p.550-555
Hauptverfasser: Tulupov, B. A., Urin, M. H.
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description The particle-hole dispersive optical model is implemented to describe together E 1 photo-absorption and direct + semidirect photoneutron reactions accompanied by excitation of the giant dipole resonance. Being based on this description, a quantitative estimation of the partial and total branching ratios for direct one-neutron decay of the mentioned giant resonance in a few medium-heavy neutron-closed-shell nuclei is obtained. Calculation results are compared with corresponding experimental data.
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subjects BRANCHING RATIO
GIANT RESONANCE
NUCLEAR PHYSICS AND RADIATION PHYSICS
OPTICAL MODELS
Particle and Nuclear Physics
PHOTONEUTRONS
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
title Direct + Semidirect E1 Photoneutron Reactions: Semimicroscopic Description
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