Electromagnetic properties of Li6 in a cluster model with breathing clusters

A. T. Kruppa, R. Beck, and F. Dickmann
Phys. Rev. C 36, 327 – Published 1 July 1987
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Abstract

Electromagnetic properties of Li6 are studied using a microscopic (α+d) cluster model. In addition to the ground state of the clusters, their breathing excited states are included in the wave function in order to take into account the distortion of the clusters. The generator coordinate calculations are free from the spurious center-of-mass motion and arbitrary parameters. The cluster stability condition is satisfied. The elastic charge form factor FC0 is in good agreement with experiment up to momentum transfer 8 fm2. The discrepancy appearing at momentum transfer q2>8 fm2 must be attributed to the omission of the short range nucleon correlation. The ground state magnetic form factor FM1 and the inelastic charge form factor FC2* are also well described. The breathing excited states of d influence the behavior of FC0 at high momentum transfer only, but they have an effect on FM1 and FC2* even at low momentum transfer. The effect of the breathing states of α on the form factors proves to be negligible except at high momentum transfer. The ground-state charge density, rms charge radius, the magnetic dipole moment and a reduced transition strength are also obtained in fair agreement with experiment.

  • Received 13 January 1987

DOI:https://doi.org/10.1103/PhysRevC.36.327

©1987 American Physical Society

Authors & Affiliations

A. T. Kruppa

  • Magyar Tudományos Akadémia Atommagkutató Intézete, Debrecen, H-4001 Hungary and Kernforschungszentrum Karlsruhe, Institut für Kernphysik III, D-7500 Karlsruhe 1, Federal Republic of Germany

R. Beck and F. Dickmann

  • Kernforschungszentrum Karlsruhe, Institut für Kernphysik III, D-7500 Karlsruhe 1, Federal Republic of Germany

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Vol. 36, Iss. 1 — July 1987

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