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Titolo:
Photoionization of lithium 1s(2)2s and 1s(2)2p near the triply excited resonances - art. no. 062716
Autore:
Chung, KT; Fang, TK;
Indirizzi:
N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA N Carolina State Univ Raleigh NC USA 27695 pt Phys, Raleigh, NC 27695 USA
Titolo Testata:
PHYSICAL REVIEW A
fascicolo: 6, volume: 6306, anno: 2001,
pagine: 2716 -
SICI:
1050-2947(200106)6306:6<2716:POL1A1>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
INNER-SHELL PHOTOIONIZATION; R-MATRIX CALCULATIONS; HOLLOW ATOMIC STATES; THEORETICAL CALCULATION; SCATTERING REGION; CROSS-SECTIONS; ENERGY REGION; IONIZATION; CONTINUUM; BEHAVIOR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Chung, KT N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA N Carolina State Univ Raleigh NC USA 27695 aleigh, NC 27695 USA
Citazione:
K.T. Chung e T.K. Fang, "Photoionization of lithium 1s(2)2s and 1s(2)2p near the triply excited resonances - art. no. 062716", PHYS REV A, 6306(6), 2001, pp. 2716

Abstract

A newly developed saddle-point multichannel K-matrix method is used to study the photoionization of lithium from 1s(2)2s and 1s(2)2p for photon energies near the 2p2p2p P-2(o) and 2s2p2p L-2(e) (L = 0,1,2) resonances. Highlyaccurate initial- and target-state wave functions are used and up to 17 open channels are included in the calculation. The calculated partial and total photoionization cross sections are compared with the available theoretical and experimental data. The partial cross sections obtained in this work suggests that for Li 1s(2)2p and 1s(2)2p initial states, the Is electron with spin antiparallel to that of the 2s (or 2p) electron is the one most likely to be ejected in the photoionization process. The elastic and inelasticelectron-ion scattering cross sections are also calculated. The relative magnitude of the calculated collision strength is compared with the Auger branching ratios for these resonances.

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Documento generato il 23/09/20 alle ore 12:50:09