Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Alternative label

• Toffoli, D; Decleva, P (2006)
  Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule
  
  (literal)

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

• Toffoli, D; Decleva, P (literal)

Pagina inizio

• 2681 (literal)

Pagina fine

• 2691 (literal)

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

• 39 (literal)

Note

• ISI Web of Science (WOS) (literal)

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

• Univ Trieste, Dipartimento Sci Chim, I-34127 Trieste, Italy; INFM, DEMOCRITOS, Natl Simulat Ctr, Trieste, Italy (literal)

Titolo

• Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule (literal)

Abstract

• Contributions of the first-order nondipole terms to the photoelectron angular distributions from randomly oriented nitrogen molecules have been calculated in the framework of density functional theory and by employing a single centre expansion for the bound and continuum wavefunctions. Both valence and inner-shell ionizations have been considered in a photon energy range from threshold up to 2000 eV. Our results agree reasonably with calculations based on the random phase approximation and with the experimental data available. Our results for core ionizations confirm the most recent experimental finding of rather small nondipole effects in the near-threshold range. However, nondipole terms turn out to be quite large, even at the threshold, when individual contributions from the 1 sigma(-1)(g) and 1 sigma(-1)(u) ionization channels are considered. Strong interference effects leading to high-energy oscillations in the dipole and nondipole asymmetry parameters are satisfactorily explained within the Cohen-Fano model. (literal)

Prodotto di

• Teoria, simulazione e progetto assistito dal calcolatore di materiali nanostrutturati (MD.P06.025.001) (Modulo)

Autore CNR

• PIETRO DECLEVA (Persona)

Insieme di parole chiave

• Parole chiave di "Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule" (Insieme di parole chiave)

Incoming links:

Autore CNR di

• PIETRO DECLEVA (Persona)

Prodotto

• Teoria, simulazione e progetto assistito dal calcolatore di materiali nanostrutturati (MD.P06.025.001) (Modulo)

Insieme di parole chiave di

• Parole chiave di "Photoelectron angular distributions beyond the dipole approximation: a computational study on the N-2 molecule" (Insieme di parole chiave)