Phys. Rev. A 57, 4407 - 4412 (1998)Determination of profile parameters of a Fano resonance without an ultrahigh-energy resolution |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
T. K. Fang and T. N. Chang
Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089-0484
Received 23 July 1997
A deconvolution procedure is proposed to determine the resonant width Γ, the asymmetry parameter q, and the background cross section σb of a Fano-type resonance in the absence of an ultrahigh-energy resolution. This procedure enables a direct extrapolation to infinite energy resolution using a set of explicit analytical relations in terms of the ratio between the width Γ and the experimental energy resolution Ω in the limit of Γ/Ω≪1.
©1998 The American Physical Society
URL: http://link.aps.org/abstract/PRA/v57/p4407
DOI: 10.1103/PhysRevA.57.4407
PACS: 32.80.Fb, 32.70.Jz, 32.80.Dz
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