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Titolo:
STUDIES OF AUTOIONIZATION WITH (E,2E) SPECTROSCOPY
Autore:
CROWE A; MCDONALD DG; MARTIN SE; BALASHOV VV;
Indirizzi:
UNIV NEWCASTLE UPON TYNE,DEPT PHYS NEWCASTLE TYNE NE1 7RU TYNE & WEARENGLAND MOSCOW MV LOMONOSOV STATE UNIV,INST NUCL PHYS MOSCOW 119899 RUSSIA
Titolo Testata:
Canadian journal of physics
fascicolo: 11-12, volume: 74, anno: 1996,
pagine: 736 - 742
SICI:
0008-4204(1996)74:11-12<736:SOAW(S>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTRON-IMPACT; HELIUM AUTOIONIZATION; EXCITATION; IONIZATION; 2E; ENERGIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
A. Crowe et al., "STUDIES OF AUTOIONIZATION WITH (E,2E) SPECTROSCOPY", Canadian journal of physics, 74(11-12), 1996, pp. 736-742

Abstract

Recent advances in the study of double excitation-autoionization processes in helium using the (e,2e) technique are reviewed. Experiments at Flinders (Australia) and Newcastle (UK) provide the first reliable experimental data and have provoked the development of new theoretical approaches to the problem. Comparisons with recent calculations of thecoincident electron spectra and parameters characterising the resonance states are presented for different kinematic conditions. Since the resonance parameters contain complex amplitudes relating to the resonance excitation, and direct and resonance ionization, they are extremely sensitive to the dynamics of the reaction and the atomic structure. Hence they provide the most rigorous test of the theory of ionization by electron impact.

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Documento generato il 22/01/20 alle ore 13:08:37