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首页> 外文期刊>Journal of geophysical research >Atomic Oxygen Ion-Neutral Collision Frequency Models at Ionospheric Temperatures
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Atomic Oxygen Ion-Neutral Collision Frequency Models at Ionospheric Temperatures

机译：Atomic Oxygen Ion-Neutral Collision Frequency Models at Ionospheric Temperatures

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摘要

The collision between atomic oxygen and its first positive ion plays a major role in Earth's F region ionosphere. An accurate corresponding collision frequency model is necessary to quantitatively understand the ionosphere. However, the widely used classic Banks theoretical model typically provides a collision frequency that is 30 lower than the expectation from ionospheric observations. Accordingly, the classic collision frequency is often adjusted by multiplying it by a constant known as the Burnside factor. This correction-factor model adopted the classic model as its basis due to a misunderstanding that the classic model was based on a laboratory experiment; that is, the correction factor was originally meant to compensate for laboratory contamination. In this study, a collision frequency model is constructed based on the laboratory experiment, and the resultant laboratory-based model is found to be consistent with ionospheric observations. In this construction, the impact of laboratory contamination is determined to be small (7) and is mostly canceled by a misinterpretation regarding the conventional definitions of energy. Thus, the 30 difference is mainly caused by a theoretical error in the classic model itself. This error is energy-dependent and corrected by the later wide-energy theoretical model. Thus, the classic model cannot be corrected by a temperature-independent constant and should be replaced by the later model.

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