Measurement of the effective E5 single-particle transition densities in 89Y and 90Zr

O. Schwentker*, J. Dawson, S. McCaffrey, J. Robb, J. Heisenberg, J. Lichtenstadt, C. N. Papanicolas, J. Wise, J. S. McCarthy, N. Hintz, H. P. Blok

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The transition charge and current densities for the lowest E5 proton particle-hole excitation in 89Y (0.909 MeV) and 90Zr (2.319 MeV) have been extracted from electron scattering data. These excitations are dominated by the π(1 g 9 2, 2 p-1 9 2) configuration. The transition densities indicate the importance of configuration mixing in the ground state of 90Zr. Single-particle predictions do not reproduce the shape of the empirical densities indicating the need for a surface peaked core polarization correction in both the charge and current densities.

Original languageEnglish
Pages (from-to)40-44
Number of pages5
JournalPhysics Letters B
Volume112
Issue number1
DOIs
StatePublished - 29 Apr 1982

Funding

FundersFunder number
National Science FoundationPHY77-27281
National Science Foundation
U.S. Department of EnergyDE-AS02-79ER10338
U.S. Department of Energy
United States-Israel Binational Science Foundation

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