Effects of Configuration Interaction on Intensities and Phase Shifts

U. Fano
Phys. Rev. 124, 1866 – Published 15 December 1961
PDFExport Citation

Abstract

The interference of a discrete autoionized state with a continuum gives rise to characteristically asymmetric peaks in excitation spectra. The earlier qualitative interpretation of this phenomenon is extended and revised. A theoretical formula is fitted to the shape of the 2s2pP1 resonance of He observed in the inelastic scattering of electrons. The fitting determines the parameters of the 2s2pP1 resonance as follows: E=60.1 ev, Γ0.04 ev, f2 to 4×103. The theory is extended to the interaction of one discrete level with two or more continua and of a set of discrete levels with one continuum. The theory can also give the position and intensity shifts produced in a Rydberg series of discrete levels by interaction with a level of another configuration. The connection with the nuclear theory of resonance scattering is indicated.

  • Received 14 July 1961

DOI:https://doi.org/10.1103/PhysRev.124.1866

©1961 American Physical Society

Authors & Affiliations

U. Fano

  • National Bureau of Standards, Washington, D.C.

References (Subscription Required)

Click to Expand
Issue

Vol. 124, Iss. 6 — December 1961

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Journals Archive

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×