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O1s->sigma* resonance in O2: inadequacy of only two exchange-split components (Articolo in rivista)

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O1s->sigma* resonance in O2: inadequacy of only two exchange-split components (Articolo in rivista) (literal)

Anno

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Alternative label

M. N. Piancastelli,1 A. Kivimäki,2 V. Carravetta,3 I. Cacelli,4 R. Cimiraglia,5 C. Angeli,5 H. Wang,6 M. Coreno,7 M. de Simone,8 G. Turri,8 K. C. Prince9 (2002)
O1s->sigma* resonance in O2: inadequacy of only two exchange-split components
in Physical review letters; APS, American physical society, College Park, MD (Stati Uniti d'America)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

M. N. Piancastelli,1 A. Kivimäki,2 V. Carravetta,3 I. Cacelli,4 R. Cimiraglia,5 C. Angeli,5 H. Wang,6 M. Coreno,7 M. de Simone,8 G. Turri,8 K. C. Prince9 (literal)

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1- Department of Chemical Sciences and Technologies and INFM, University \"Tor Vergata,\" 00133 Rome, Italy 2- Department of Physics, University of Oulu, 90570 Oulu, Finland 3- ICQEM-CNR Area of Research of Pisa, 56100 Pisa, Italy 4- Department of Chemistry, University of Pisa, 56126 Pisa, Italy 5- Department of Chemistry, University of Ferrara, 44100 Ferrara, Italy 6- Department of Physics, Uppsala University, 751 21 Uppsala, Sweden 7-INFM, TASC Laboratory, 34012 Trieste, Italy 8- Department of Physics, University of Rome III, and INSTM, 00159 Rome, Italy 9- Sincrotrone Trieste, Area Science Park, 34012 Trieste, Italy (literal)

Titolo

O1s->sigma* resonance in O2: inadequacy of only two exchange-split components (literal)

Abstract

The O 1s->?* transition below the O K-edge in O2 has been investigated by absorption, constant ionic state (CIS) experiments, and extensive configuration interaction calculations. CIS scans of the three lowest-lying final states reached in resonant Auger decay provide a wealth of information on energy range, symmetry, and spin multiplicity of the intermediate states with ?* character. We conclude that the identification of only two exchange-split components is inadequate because a complex manifold of states with ?* character exists with no unique energy difference between related states. (literal)

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