Elsevier

Nuclear Physics A

Volume 149, Issue 2, 29 June 1970, Pages 302-322
Nuclear Physics A

Elastic and inelastic deuteron scattering from 124Te and 146Nd

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Abstract

Excitation energies and differential cross sections for inelastic scattering of 12.0 MeV deuterons leading to collective states in 124Te and 146Nd have been measured. A possible candidate for a 0+ two-phonon state is found in 124Te. For the one-phonon 2+ and 3 states, the experimentally observed angular distributions have been compared to predictions from DWBA theory, and vibrational amplitudes βλR have been extracted. The B(E2) and B(E3) values were determined by Coulomb excitation by means of α-particles of 12.0 and 14.0 MeV. The electromagnetic vibrational amplitudes βλRc are compared to those deduced from the (d, d') cross sections and to results from inelastic α-particle scattering. Second-order DWBA theory is used to interpret the excitation of two-phonon 2+ and 4+ states. An appreciably better fit to the observed cross sections for the excitation of the second 2+ state is obtained if a small admixture of the one-phonon 2+ is assumed for this state. Similarly, a hexadecapole component has to be included in the wave function for the 4+ state.

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    On leave from the University of Oslo, Norway.

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