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October 3, 2025Astronomy and Astrophysics

Absolute cross sections of single and double electron capture for mathrm C^4^+ colliding with He, mathrm O_2, mathrm N_2, and mathrm CH

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Absolute single- and double-electron capture cross sections for C^4+ with several gases were obtained, showing significant deviation from current models.
New data on electron capture cross sections were measured in the energy range of 2.3–33.3 keV/u, with uncertainties of 9% and 10% for single and double capture, respectively.
Charge exchange processes involving C^4+ ions and neutral gases are crucial for understanding emissions in astrophysical environments like planetary atmospheres.
Experiments were conducted using a 150 kV collision apparatus at Fudan University to attain precise measurements.

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Implication

The experiments measure absolute charge exchange cross sections for C^4+ ions with He, O2, N2, and CH4, suggesting new insights for astrophysical plasma modeling.

Cite This Study

Yin et al. (2025) studied this question.

synapsesocial.com/papers/68e02f40f0e39f13e7fa2b1b https://doi.org/10.1051/0004-6361/202556536

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Implication

The experiments measure absolute charge exchange cross sections for C^4+ ions with He, O2, N2, and CH4, suggesting new insights for astrophysical plasma modeling.

Absolute cross sections of single and double electron capture for mathrm C^4^+ colliding with He, mathrm O_2, mathrm N_2, and mathrm CH

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Discussion

Implication

Cite This Study

Absolute cross sections of single and double electron capture for mathrm C^4^+ colliding with He, mathrm O_2, mathrm N_2, and mathrm CH

Key Points

Discussion

Implication

Cite This Study

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