The excitation of atomic oxygen to the <math><mtext>O(</mtext><msup><mi></mi><mn>1</mn></msup><mtext>S)</mtext></math> level by energy transfer from N2(A3∑u+) molecules in aurora期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The excitation of atomic oxygen to the $O(^{1} S)$ level by energy transfer from N₂(A³∑_u⁺) molecules in aurora

Authors:	Kjell Henriksen

Institution:	The Auroral Observatory, 9001 Tromsø, Norway

Abstract:	The part that the energy transfer reaction $N_{2} (A^{3} ∑_{u}^{+}) + O(^{3} P) → N_{2} (X^{1} ∑_{g}^{+}) + O(^{1} S)$ plays in the excitation of the auroral green line has been investigated. The contribution is estimated to be 40 per cent in this case, containing pulsating aurora in class IBC 1. Due to greater quenching of the A³∑_u⁺ state, the centroid of the VK emission is displaced 10 km upwards of the green line height, which is centred at 110 km.

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