Dielectronic recombination of the Be-like ions:<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:ms

Pf, Dittner; Datz, S.; Hf, Krause; Pd, Miller; Pepmiller, P.L.; Böttcher, C.; Cm, Fou; Dc, Griffin; Ms, Pindzola

doi:10.1103/physreva.36.33

Cited by 30 publications

(11 citation statements)

References 10 publications

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“…Badnell & Pindzola (1989), in their study of intermediate-coupling effects on dielectronic recombination in oxygen ions, presented improved theoretical calculations for O 4+ ions. A partitioned configuration-average approximation was employed to take into account field effects which showed good agreement with the measurements of Dittner et al (1987).…”

Section: Introductionmentioning

confidence: 80%

“…It was found that both ∆n = 0 and ∆n 0 transitions were important in these calculations, and also that radiative stabilisation of the spectator electron can contribute significantly to dielectronic recombination. The first measurements of dielectronic recombination rate coefficients were subsequently made by Dittner et al (1987) 50+ , using intermediate-coupling with configuration interaction. This work provided quite accurate dielectronic recombination rate coefficients for both ∆n = 0 and ∆n 0 transitions.…”

Section: Introductionmentioning

confidence: 99%

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Dielectronic recombination data for dynamic finite-density plasmas

Colgan

Pindzola

Whiteford

et al. 2003

A&A

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Section: Introductionmentioning

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Dielectronic recombination data for dynamic finite-density plasmas

Colgan

Pindzola

Whiteford

et al. 2003

A&A

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“…Only a few measurements for Be-like fluorine have been reported so far (Dittner et al 1987;Badnell et al 1991). The statistics and energy resolution in these measurements are poor, and the data are contaminated by unknown fractions of metastable ions.…”

Section: Introductionmentioning

confidence: 99%

“…Most of the calculations neglect or underestimate the low-energy DR resonances resulting in a low value of rate coefficients by orders of magnitude. For example, the results of Dittner et al (1987) contain DR resonances above 8 eV and only include states with n ≤ 64. Similarly, the calculations of Badnell et al (1991) contain DR only in states with principal quantum number n up to 51.…”

Section: Plasma Rate Coefficientsmentioning

confidence: 99%

Experimental rate coefficients of F⁵⁺recombining into F⁴⁺

Ali

Orbán

Mahmood

et al. 2013

A&A

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Recombination spectra of F 5+ producing F 4+ have been investigated with high-energy resolution, using the CRYRING heavy-ion storage ring. The absolute recombination rate coefficients are derived in the centre-of-mass energy range of 0−25 eV. The experimental results are compared with intermediate-coupling AUTOSTRUCTURE calculations for 2s−2p ( n = 0) core excitation and show very good agreement in the resonance energy positions and intensities. Trielectronic recombination with 2s 2 −2p 2 transitions are clearly identified in the spectrum. Contributions from F 5+ ions in an initial metastable state are also considered. The energy-dependent recombination spectra are convoluted with Maxwell-Boltzmann energy distribution in the 10 3 −10 6 K temperature range. The resulting temperature-dependent rate coefficients are compared with theoretical results from the literature. In the 10 3 −10 4 K range, the calculated data significantly underestimates the plasma recombination rate coefficients. Above 8 × 10 4 K, our AUTOSTRUCTURE results and plasma rate coefficients from elsewhere show agreement that is better than 25% with the experimental results.

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“…Because of experimental limitations and difficulties in the past, previous DR studies of carbon ions have been limited to He-, Li-, and Be-like carbon (Dittner et al 1987;Andersen et al 1990;Wolf et al 1991;Kilgus et al 1993;Mannervik et al 1997;Schippers et al 2001;Fogle et al 2005). No high-resolution DR experiment for B-like carbon has been performed before.…”

Section: Introductionmentioning

confidence: 99%

Electron–ion Recombination Rate Coefficients for C Ii Forming C I

Ali

Orbán

Mahmood

et al. 2012

ApJ

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We have determined absolute dielectronic recombination rate coefficients for C ii, using the CRYRING heavy-ions storage ring. The resonances due to 2s-2p ( n = 0) core excitations are detected in the center-of-mass energy range of 0-15 eV. The experimental results are compared with intermediate coupling AUTOSTRUCTURE calculations. Plasma rate coefficients are obtained from the DR spectrum by convoluting it with a Maxwell-Boltzmann energy distribution for temperatures in the range of 10 3 -10 6 K. The derived temperature-dependent plasma recombination rate coefficients are presented graphically and parameterized by using a fit formula for convenient use in plasma modeling codes. The experimental rate coefficients are also compared with the theoretical data available in literature. In the temperature range of 10 3 -2 × 10 4 K, our experimental results show that previous calculations severely underestimate the plasma rate coefficients and also our AUTOSTRUCTURE calculation does not reproduce the experimental plasma rate coefficients well. Above 2×10 4 K, the agreement between the experimental and theoretical rate coefficients is much better, and the deviations are smaller than the estimated uncertainties.

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Dielectronic recombination of the Be-like ions:C2+,N3+

Cited by 30 publications

References 10 publications

Dielectronic recombination data for dynamic finite-density plasmas

Dielectronic recombination data for dynamic finite-density plasmas

Experimental rate coefficients of F⁵⁺recombining into F⁴⁺

Electron–ion Recombination Rate Coefficients for C Ii Forming C I

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Dielectronic recombination of the Be-like ions:C2+,N3+

Cited by 30 publications

References 10 publications

Dielectronic recombination data for dynamic finite-density plasmas

Dielectronic recombination data for dynamic finite-density plasmas

Experimental rate coefficients of F5+recombining into F4+

Electron–ion Recombination Rate Coefficients for C Ii Forming C I

Contact Info

Product

Resources

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Experimental rate coefficients of F⁵⁺recombining into F⁴⁺