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Titolo:
Spontaneous relativistic two-photon decay rate mathematical expression in helium-like systems
Autore:
Santos, JP; Patte, P; Parente, F; Indelicato, P;
Indirizzi:
Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Fis, P-2825114 Monte De Caparica, Caparica, Portugal Univ Nova Lisboa Monte De Caparica Caparica Portugal P-2825114 , Portugal Univ Lisbon, Ctr Fis Atom, P-1649003 Lisbon, Portugal Univ Lisbon LisbonPortugal P-1649003 s Atom, P-1649003 Lisbon, Portugal Univ Lisbon, Fac Ciencias, Dept Fis, P-1749016 Lisbon, Portugal Univ Lisbon Lisbon Portugal P-1749016 pt Fis, P-1749016 Lisbon, Portugal Univ Paris 06, Ecole Normale Super, Lab Kastler Brossel, CNRS,Unite Mixte Rech C8552, F-75252 Paris, France Univ Paris 06 Paris France F-75252 xte Rech C8552, F-75252 Paris, France
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL D
fascicolo: 1, volume: 13, anno: 2001,
pagine: 27 - 31
SICI:
1434-6060(200101)13:1<27:SRTDRM>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTICONFIGURATION DIRAC-FOCK; 2-PHOTON DECAY; HYDROGENIC IONS; 2-ELECTRON IONS; 2 S-1(0); TRANSITIONS; LIFETIME; STATES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Santos, JP Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Fis, P-2825114 Monte De Caparica, Caparica, Portugal Univ Nova Lisboa Monte De Caparica Caparica Portugal P-2825114
Citazione:
J.P. Santos et al., "Spontaneous relativistic two-photon decay rate mathematical expression in helium-like systems", EUR PHY J D, 13(1), 2001, pp. 27-31

Abstract

We derive a theoretical expression for the two-photon emission rate of two-electron systems, in a form suitable for easy implementation in numerical calculations. Racah algebra techniques were used to extended previous work on two-photon emission in hydrogen-like systems to more complex ones. The obtained expression is, as far as we are aware, the first general expressionthat gives the spontaneous two-photon decay rates of helium-like systems for any combination of multipoles.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 12:09:04