Angular and energy distribution of fragment ions in dissociative double photoionization of acetylene molecules at 39 eV (Articolo in rivista)

Type

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

Label

• Angular and energy distribution of fragment ions in dissociative double photoionization of acetylene molecules at 39 eV (Articolo in rivista) (literal)

Anno

• 2012-01-01T00:00:00+01:00 (literal)

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

• 10.1063/1.4720350 (literal)

Alternative label

• M. Alagia 1, C. Callegari 2, P. Candori 3, S. Falcinelli 3, F. Pirani 4, R. Richter 2, S. Stranges 1,5, and F. Vecchiocattivi 3 (2012)
  Angular and energy distribution of fragment ions in dissociative double photoionization of acetylene molecules at 39 eV
  in Journal of chemical physics online
  (literal)

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

• M. Alagia 1, C. Callegari 2, P. Candori 3, S. Falcinelli 3, F. Pirani 4, R. Richter 2, S. Stranges 1,5, and F. Vecchiocattivi 3 (literal)

Pagina inizio

• 204302 (literal)

Pagina fine

• 204302-6 (literal)

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

• http://link.aip.org/link/doi/10.1063/1.4720350 (literal)

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

• 136 (literal)

Rivista

• Journal of chemical physics online (Rivista)

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

• 6 (literal)

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

• 20 (literal)

Note

• ISI Web of Science (WOS) (literal)

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

• 1 IOM CNR Laboratorio TASC, I-34012 Trieste, Italy 2 Sincrotrone Trieste, Area Science Park, 34149 Basovizza, Trieste, Italy 3 Dipartimento di Ingegneria Civile ed Ambientale, 06125 Perugia, Italy 4 Dipartimento di Chimica dell'Università di Perugia, 06123 Perugia, Italy 5 Dipartimento di Chimica, Università di Roma \"La Sapienza\", 00185 Roma, Italy (literal)

Titolo

• Angular and energy distribution of fragment ions in dissociative double photoionization of acetylene molecules at 39 eV (literal)

Abstract

• The two-body dissociation reactions of the dication, C2H22+, produced by 39.0 eV double photoionization of acetylene molecules, have been studied by coupling photoelectron-photoion-photoion coincidence and ion imaging techniques. The results provide the kinetic energy and angular distributions of product ions. The analysis of the results indicates that the dissociation leading to C2H++H+ products occurs through a metastable dication with a lifetime of 108 ± 22 ns, and a kinetic energy release (KER) distribution exhibiting a maximum at ~4.3 eV with a full width at half maximum (FWHM) of about 60%. The reaction leading to CH 2++C+ occurs in a time shorter than the typical rotational period of the acetylene molecules (of the order of 10-12 s). The KER distribution of product ions for this reaction, exhibits a maximum at ~4.5 eV with a FWHM of about 28%. The symmetric dissociation, leading to CH+ + CH+, exhibits a KER distribution with a maximum at ~5.2 eV with a FWHM of 44%. For the first two reactions the angular distributions of ion products also indicate that the double photoionization of acetylene occurs when the neutral molecule is mainly oriented perpendicularly to the light polarization vector. (literal)

Prodotto di

• MD.P06.016.002 Sistemi a bassa densita' e nanostrutture in fase gassosa (MD.P06.016.004) (Modulo)
• Sistemi a bassa densita' e nanostrutture (MD.P06.016.002) (Modulo)

Autore CNR

• MICHELE ALAGIA (Persona)
• STEFANO STRANGES (Unità di personale esterno)

Incoming links:

Autore CNR di

• STEFANO STRANGES (Unità di personale esterno)
• MICHELE ALAGIA (Persona)

Prodotto

• MD.P06.016.002 Sistemi a bassa densita' e nanostrutture in fase gassosa (MD.P06.016.004) (Modulo)
• Sistemi a bassa densita' e nanostrutture (MD.P06.016.002) (Modulo)

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

• Journal of chemical physics online (Rivista)