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Temperature diagnostics for carbon IV ion by using a collision model in the solar transition region

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Abstract

For spectral diagnostics of temperature in the solar transition region, by using a semi-classical method, we calculate the collision strengths for the dipole transition of carbon IV 2S1/2-2P1/2 and 2S1/2-2P3/2, and we discuss the Maxwellian-averaged collision strengths for a wide temperature region. Then, based on the Maxwellian-averaged collision strengths, we discuss the spectral diagnostic of temperature in the solar transition region and obtain the temperature T = 1.7 × 105 K for the carbon IV ion in that region, which is in good agreement with the predicted temperature range of 1.0 × 105 K to 2.0 × 105 K. This calculation will be significant for spectral diagnostics in the solar transition region.

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Authors and Affiliations

  1. College of Physics and Electron Information, Luoyang Normal University, Luoyang, 471022, China

    Lamei Liao

  2. School of Physics and Engineering, Henan University of Science and Technology, Luoyang, 471023, China

    Jian He & Qingguo Zhang

Authors
  1. Lamei Liao
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  2. Jian He
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  3. Qingguo Zhang
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Correspondence to Lamei Liao.

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Liao, L., He, J. & Zhang, Q. Temperature diagnostics for carbon IV ion by using a collision model in the solar transition region. Journal of the Korean Physical Society 69, 767–771 (2016). https://doi.org/10.3938/jkps.69.767

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  • DOI: https://doi.org/10.3938/jkps.69.767

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