Abstract
Electron energy-loss spectra for the Xe atom were measured for agiven set of scattering angles (1.5°-20.0°), inan energy-loss range from 40 to 180 eV using an incidentelectron energy of 1045 eV and an energy resolution of 1.0 eV.The absolute generalized oscillator strength (GOS) and crosssection have been determined for the intense shape resonance(4d→εf) and for the discrete resonance4d(1S0)→6p(2D5/2) in the Xe atom.The GOS curve as a function of the square of the momentumtransfer for the shape resonance presents a well-definedminimum. In order to obtain the optical oscillator strength for our data normalization, the electron energy-loss spectrum(1.5°) was converted to a photoabsorption spectrum. Abroad band has also been observed in the energy-loss spectra,centred at 80.0 eV. According to previous analysis, it hasbeen assigned to double excitations (4d-15p-1).
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