Effective charge of neutron quasiparticle pairs in Pb206 and Pb204

C. N. Papanicolas*, J. Heisenberg, J. Lichtenstadt, J. S. McCarthy, D. Goutte, J. M. Cavedon, B. Frois, M. Huet, P. Leconte, Phan Xuan Ho, S. Platchkov, I. Sick

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The transition charge densities to the lowest J=2+,4+ states in Pb204,206 have been determined through inelastic electron scattering. Their shape is insensitive to the microscopic structure of these states, dominantly of neutron character, but it bears striking similarity to that of the low-frequency phonon of the core. This is regarded as strong evidence supporting the view that the "dressing" of these neutron excitations is mediated through core polarization with the lowest-frequency phonon acting as the most important doorway.

Original languageEnglish
Pages (from-to)247-250
Number of pages4
JournalPhysical Review Letters
Volume52
Issue number4
DOIs
StatePublished - 1984

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