Intermediate-energy proton scattering to the ground and negative-parity states of 40Ca, 90Zr and 208Pb

L. Lee, T. E. Drake, S. S.M. Wong, D. Frekers, R. E. Azuma, L. Buchmann, A. Galindo-Uribarri, J. D. King, R. Schubank, R. Abegg, R. Helmer, K. P. Jackson, C. A. Miller, S. Yen

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Differential cross sections and analyzing powers for proton inelastic scattering to the low-lying 3- and 5- states in 40Ca, 90Zr and 208Pb are reported. The measurements have been carried out at incident proton energies of 200, 362 and 400 MeV, and extend to high momentum transfers (q ≈ 5 fm-1). Comparisons with microscopic nonrelativistic density-dependent calculations out to high momentum transfers are made as a function of the target mass, the incident energy, and the nuclear final state. These calculations, which make use of the Hamburg g-matrix and the self-consistent Hartree-Fock/ random-phase-approximation wavefunctions of Decharge and Gogny, involve no adjustable parameters and illustrate the results that can be obtained with a consistent microscopic description. For completeness, we also include calculations for our previously published elastic data on 40Ca, 90Zr and 208Pb at 200, 362 and 400 MeV.

Original languageEnglish
Pages (from-to)607-636
Number of pages30
JournalNuclear Physics A
Volume492
Issue number4
DOIs
StatePublished - Feb 20 1989
Externally publishedYes

Funding

The authors wish to thank Dr. H.V. von Geramb of the University of Hamburg for providing some of the programs and force parameters used in our calculations. We also wish to thank Dr. J. Heisenberg of the University of New Hampshire for the use of his zirconium targets and for providing us with his electron scattering data. We are indebted to Dr. J. Decharge of the Centre d’Etudes de Bruyeres-le-Chatel for providing us with the necessary nuclear structure information used in our calculations and to Dr. J. RaynaI of Saclay for providing us with updated versions of his scattering codes. This research was supported in part by the Natural Sciences and Engineering Research Council of Canada.

Keywords

  • E = 362 MeV, Zr (polarized p, p'), E = 400 MeV
  • NUCLEAR REACTIONS Ca (polarized p, p')
  • Pb (polarized p, p'), E = 200, 400 MeV
  • measured σ(θ), A,(θ) Natural Ca, enriched Zr, Pb targets Nonrelativistic microscopic density-dependent model analysis

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