Investigation of complex ionization amplitudes in cadmium by (e,2e) spectroscopy

High-resolution ([ital e],2[ital e]) energy spectra are presented which enable the isolation of interference effects between [ital J]=0,1,2 multipoles in electron-impact ionization of cadmium. It is found that both resonant and nonresonant processes are important. Relative magnitudes and phases of i...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1994-11, Vol.50 (5), p.3878-3885
Hauptverfasser:	Martin, NL, Thompson, DB, Bauman, RP, Wilson, M
Format:	Artikel
Sprache:	eng
Schlagworte:	664300 - Atomic & Molecular Physics- Collision Phenomena- (1992-) AMPLITUDES ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS BORN APPROXIMATION CADMIUM COINCIDENCE METHODS COLLISIONS COUNTING TECHNIQUES ELECTRON COLLISIONS ELECTRON EMISSION ELECTRON-ATOM COLLISIONS ELEMENTS EMISSION ENERGY SPECTRA FUNCTIONS INTERFERENCE IONIZATION METALS MULTIPOLES RESOLUTION RESONANCE SPECTRA WAVE FUNCTIONS
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Zusammenfassung:	High-resolution ([ital e],2[ital e]) energy spectra are presented which enable the isolation of interference effects between [ital J]=0,1,2 multipoles in electron-impact ionization of cadmium. It is found that both resonant and nonresonant processes are important. Relative magnitudes and phases of ionization amplitudes are obtained which disagree with plane-wave Born approximation calculations.
ISSN:	1050-2947 1094-1622
DOI:	10.1103/PhysRevA.50.3878