Abstract
Accurate measurements of elastic- and inelastic-scattering differential cross sections are obtained over a wide angular range for 11 MeV neutrons incident on 88Sr, 90Zr and 92Mo. The absolute cross sections are accurate to better than 5%. The parameters of complex optical potentials were extracted from the elastic-scattering data and applied via the collective model to the description of the cross sections of the first 2+ state of each isotope. Deformation parameters βnn′ (and lengths) δ = βR) were obtained for the quadrupole excitations and compared with similar parameters obtained from (p, p′) data on the same nuclei. The results clearly indicate that βnn′ > βpp′ for the N = 50 isotones, in good agreement with the theoretical predictions of Madsen, Brown and Anderson. The values of βnn′ and βpp′ are used to extract the isoscalar and isovector deformation parameters β0 and β1.
Original language | English (US) |
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Pages (from-to) | 492-506 |
Number of pages | 15 |
Journal | Nuclear Physics, Section A |
Volume | 311 |
Issue number | 3 |
DOIs | |
State | Published - Dec 4 1978 |
Keywords
- Nuclear reactions
ASJC Scopus subject areas
- Nuclear and High Energy Physics