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Titolo:
(E,2E) IN THE VICINITY OF AN AUTOIONIZING STATE AS A PERFECT EXPERIMENT TO MEASURE PARAMETERS OF THE ELECTRON-IMPACT IONIZATION PROCESS
Autore:
BALASHOV VV; MARTIN SE; CROWE A;
Indirizzi:
MOSCOW MV LOMONOSOV STATE UNIV,INST NUCL PHYS MOSCOW 119899 RUSSIA UNIV NEWCASTLE UPON TYNE,DEPT PHYS NEWCASTLE TYNE NE1 7RU TYNE & WEARENGLAND
Titolo Testata:
Journal of physics. B, Atomic molecular and optical physics
fascicolo: 8, volume: 29, anno: 1996,
pagine: 337 - 343
SICI:
0953-4075(1996)29:8<337:(ITVOA>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIFFERENTIAL CROSS-SECTIONS; HELIUM;
Tipo documento:
Letter
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
V.V. Balashov et al., "(E,2E) IN THE VICINITY OF AN AUTOIONIZING STATE AS A PERFECT EXPERIMENT TO MEASURE PARAMETERS OF THE ELECTRON-IMPACT IONIZATION PROCESS", Journal of physics. B, Atomic molecular and optical physics, 29(8), 1996, pp. 337-343

Abstract

We consider the possibility of treating (e, 2e) experiments in the region of autoionizing resonances as 'perfect experiments' in which parameters relating to the direct and resonance ionization amplitudes can be determined. An angle-independent parameter is defined for the autoionization of a doubly excited s-state to the s-state of an ion. Experimental values of this parameter from recent data for decay of the (2s(2))S-I state of helium to the (1s)S-2 state of the helium ion are discussed. The more general situation involving states with L > 0 is outlined.

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Documento generato il 23/01/20 alle ore 18:16:25