Dielectronic Recombination in the Gaseous Nebulae as a Cooling Process
نویسندگان
چکیده
منابع مشابه
On Dielectronic Recombination
The derivation of a general formula for the coefficient of dielectric recombination is reviewed, and approximate formulae known in the literature are discussed. With the aid of Burgess' simplified formula calculations of the coefficient of dielectronic recombination for the elements C, 0 , Ne, M g , Si, S and Fe in the temperature range 108 — 4 x 106 ° K are performed. The results are presented...
متن کاملRecent dielectronic recombination experiments
A. Müller a,∗, T. Bartsch a, C. Brandau a, A. Hoffknecht a, H. Knopp a, S. Schippers a, O. Uwira a, J. Linkemann b, A.A. Saghiri b, M. Schmitt b, D. Schwalm b, A. Wolf b, F. Bosch c, B. Franzke c, C. Kozhuharov c, P.H. Mokler c, F. Nolden c, M. Steck c, T. Stöhlker c, T. Winkler c, H. Danared d, D.R. DeWitt e, H. Gao e, H. Lebius e, R. Schuch e, W. Spies e, W. Zong e, G.H. Dunn f, W.G. Graham g...
متن کاملEvolution of Gaseous Nebulae.
55Swain, F. M., A Blumentals, and N. Prokopovich, "Bituminous and other organic substances in Pre-Cambrian of Minnesota," Am. Assoc. Petrol. Geol. Bull., 42, 173-189 (1958). M Timofeev, B. V., "Spores and phytoplankton from Proterozoic and early Paleozoic of Eurasia," in Proc. 21st Int. Geol. Congr., Copenhagen, Rept. Soviet Geologists, Problem 9, 177-188 (1960) (in Russian; English abstract, p...
متن کاملDielectronic Recombination Calculations for Fe
Dielectronic recombination (DR) of Na-like Fe forming Mg-like Fe via excitation of a 2l core electron has been investigated. We find that configuration interaction (CI) between DR resonances with different captured electron principal quantum numbers n can lead to a significant reduction in resonance strengths for n ≥ 5. Including this form of CI accounts for most of the discrepancy between prev...
متن کاملDielectronic recombination for boronlike ions
We have calculated the total dielectronic recombination ~DR! coefficients for the P1/2 and P3/2 states in B-like Ti, Fe, and Mo ions for electron temperatures 0.1<T<10 000 eV. The calculations are carried out using the multiconfiguration Dirac-Fock method in intermediate coupling with a configuration interaction. We find that accurate Coster-Kronig energies are critical for a successful determi...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1993
ISSN: 0074-1809
DOI: 10.1017/s0074180900170548