Observation of an (N+-N=4) ro-vibrational transition in the photoionization of D-2 (Articolo in rivista)

Type
Label
  • Observation of an (N+-N=4) ro-vibrational transition in the photoionization of D-2 (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Juarez, AM; Sokell, E; Bolognesi, P; Siggel-King, MRF; King, GC; de Simone, M; Coreno, M (2006)
    Observation of an (N+-N=4) ro-vibrational transition in the photoionization of D-2
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Juarez, AM; Sokell, E; Bolognesi, P; Siggel-King, MRF; King, GC; de Simone, M; Coreno, M (literal)
Pagina inizio
  • L377 (literal)
Pagina fine
  • L383 (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
  • UNAM, Ctr Ciencias Fis, Cuernavaca, Morelos, Mexico; Univ Coll Dublin, Sch Phys, Dublin 4, Ireland; IMIP, CNR, Monterotondo, Italy; Daresbury Lab, CCLRC, Keckwick Lane WA4 4AD, Cheshire, England; Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England; TASC, INFM, I-34012 Trieste, Italy; Univ Trieste, Unita INSTM, Trieste, Italy (literal)
Titolo
  • Observation of an (N+-N=4) ro-vibrational transition in the photoionization of D-2 (literal)
Abstract
  • We present high-resolution photoelectron spectra (PES) of D-2 in the photon energy range from 15.648 to 15.677 eV. This range encompasses autoionizing Rydberg states of D-2 converging on various vibrational levels of the X-2 Sigma(+)(g) state of the D-2(+) ion. The PES show features that correspond to the transitions, D2X1 Sigma(g)(v = 0, N = 0) -> (D2+X2)Sigma(+)(g)(v(+) = 0, N+ = 0, 2, and 4). This is the first time that a change of Delta N = N+ - N = 4 in rotational angular momentum has been reported in a PES, where the magnetic field was negligible ( less than a few milligauss). The autoionizing state giving rise to the Delta N = 4 transition is observed at a photon energy of 15.674 eV and is assigned to the R(2) n = 5p pi Rydberg state converging to the v(+) = 4 vibrational level of the D-2(+) ion. It is suggested that the large change in rotational angular momentum results from the relatively long lifetime of this state. (literal)
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