Electromagnetic dipole and Gamow-Teller responses of even and odd $^{90-94}_{40}$Zr isotopes in QRPA calculations with the D1M Gogny force - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Eur.Phys.J.A Année : 2017

Electromagnetic dipole and Gamow-Teller responses of even and odd $^{90-94}_{40}$Zr isotopes in QRPA calculations with the D1M Gogny force

Résumé

In this paper we present theoretical results on the dipole response in the proton spin-saturated$^{90-94}$Zr isotopes. The electric and magnetic dipole excitations are obtained in Hartree-Fock-Bogolyubov plus Quasi-particle Random Phase Approximation (QRPA) calculations performed with the D1M Gogny force. A pnQRPA charge exchange code is used to study the Gamow-Teller response. The results on the pygmy, the giant dipole resonances as well as those on the magnetic nuclear spin-flip excitation and the Gamow-Teller transitions are compared with available experimental or theoretical information. In our approach, the proton pairing plays a role in the phonon excitations, in particular in the M1 nuclear spin-flip resonance.
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Dates et versions

hal-01582874 , version 1 (06-09-2017)

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I. Deloncle, S. Péru, M. Martini. Electromagnetic dipole and Gamow-Teller responses of even and odd $^{90-94}_{40}$Zr isotopes in QRPA calculations with the D1M Gogny force. Eur.Phys.J.A, 2017, 53 (8), pp.170. ⟨10.1140/epja/i2017-12354-x⟩. ⟨hal-01582874⟩
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