Basic molecular processes for hydrocarbon spectroscopy in fusion edge plasmas: vibrationally state-selective excitation of A2Delta, B2Sigma- and C2Sigma+ states of CH by electron impact (Articolo in rivista)

Type
Label
  • Basic molecular processes for hydrocarbon spectroscopy in fusion edge plasmas: vibrationally state-selective excitation of A2Delta, B2Sigma- and C2Sigma+ states of CH by electron impact (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/51/8/085012 (literal)
Alternative label
  • R Celiberto; R K Janev; and D Reiter (2009)
    Basic molecular processes for hydrocarbon spectroscopy in fusion edge plasmas: vibrationally state-selective excitation of A2Delta, B2Sigma- and C2Sigma+ states of CH by electron impact
    in Plasma physics and controlled fusion (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R Celiberto; R K Janev; and D Reiter (literal)
Pagina inizio
  • 085012 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 51 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • - R Celiberto, Department of Water Engineering and Chemistry, Politecnico di Bari, 70125 Bari, Italy - R K Janev, Macedonian Academy of Sciences and Arts, PO Box 428, 1000 Skopje, Macedonia - D Reiter, Institute for Energy Research-Plasma Physics, Forschungszentrum Juelich GmbH, 52425 Juelich, Germany (literal)
Titolo
  • Basic molecular processes for hydrocarbon spectroscopy in fusion edge plasmas: vibrationally state-selective excitation of A2Delta, B2Sigma- and C2Sigma+ states of CH by electron impact (literal)
Abstract
  • Quantification of chemical erosion in fusion edge plasmas is often based upon CH (Ger¨o-band) spectroscopy. Systematic, vibrationally resolved rate coefficients for the electron impact excitation of A2Delta?, B2Sigma?- and C2Sigma?+ electronic states of the CH molecule are presented in the temperature range 0.2-1500 eV. The rate coefficients for 0-0 vibrational transitions are based on the R-matrix cross sections for energies below 10 eV, Born-Bethe cross sections for energies above ~25-30 eV and a smooth interpolation in the 10-20 eV energy range. The rate coefficients for the v-v transitions are determined by using a scaling relationship. The implications of these results for the fusion edge/divertor plasma diagnostics, based on the A(v) -> X(v) transitions, are discussed. The rate coefficients for the 0-0 transitions are presented by convenient analytic fit expressions. (literal)
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