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Possible enhancement of the E1 decay rates of double giant dipole states

Vadim Georgievitch Soloviev, Akito Arima, and Nguyen Dinh Dang
Phys. Rev. C 56, R603(R) – Published 1 August 1997
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Abstract

The E1 transitional rates between the double giant dipole resonance (DGDR) states and giant dipole resonance (GDR) ones are studied using the wave functions, which include one-, two-, and many-phonon components. It is shown that there is a possibility for the enhancement of the E1 transition rates from the DGDR states to the GDR ones as compared to the harmonic limit. This enhancement arises from the matrix elements for the E1 transitions between many-phonon terms of the wave functions, which differ by one E1 phonon.

  • Received 14 February 1997

DOI:https://doi.org/10.1103/PhysRevC.56.R603

©1997 American Physical Society

Authors & Affiliations

Vadim Georgievitch Soloviev1,2, Akito Arima2, and Nguyen Dinh Dang2

  • 1Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia
  • 2Cyclotron Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-01, Japan

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Issue

Vol. 56, Iss. 2 — August 1997

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