Evidence for the two-body nature of theE1 transition operator in the sdf-interacting boson model View Full Text


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Article Info

DATE

1989-03

AUTHORS

A. F. Barfield, P. von Brentano, A. Dewald, K. O. Zell, N. V. Zamfir, D. Bucurescu, M. Ivaşcu, O. Scholten

ABSTRACT

Two new absolute transition rates are reported for the nucleus144Sm following an (α, α′) Coulomb excitation study. They are B(E3; 3−→ 0+)=(38±3) W.u. and B(E1;3− → 2+)=(2.8±0.4)×10−3 W.u. This large E1 matrix element, along with the previously known B(E1; 1− →+) value support the interpretation of the 1− state in this nucleus as 2-phonon 2+ × 3− excitation. In the frame of the IBM-1 +f-boson model we show the need for a two-body term in the E1 transition operator. Estimates for the strengths of the one and two-body parts of the E1 transition operator are obtained from these experimental data. More... »

PAGES

29-32

References to SciGraph publications

  • 1986-12. An extended IBA consistent-Q formalism applied to Ru and Pd isotopes in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf01292577

    DOI

    http://dx.doi.org/10.1007/bf01292577

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1041638028


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