Observation of the Nuclear Isovector Monopole Resonance

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18 April 1983

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 50 (16) , 1195-1198
https://doi.org/10.1103/physrevlett.50.1195

Abstract

Observation of the

T + 1

component of the isovector monopole and the giant dipole resonances in the reactions

{}^{90}{Zr}

and

{}^{120}{Sn} (π^{-}, π^{0})

at

T_{π^{-}} = 165

MeV is reported. The isobaric analog state and

T - 1

component of the giant dipole resonance in the reaction

{}^{120}{Sn} (π^{+}, π^{0})

were also observed. Excitation energies and widths of the monopole are given.

Keywords

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