Temperature dependence of collisional rate coefficients for rotational transitions: a-type asymmetric top molecules

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• 作者：M.K. Sharma^a ; ^{mohitkumarsharma32@yahoo.in} ; M. Sharma^a ; ^{monika3273@yahoo.in} ; S. Chandra ; ^b ; ^{suresh492000@yahoo.co.in}
• 关键词：ISM ; molecules ; Collisional rate coefficients ; H2CO-molecule
• 刊名：New Astronomy
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：52
• 期：Complete
• 页码：48-54
• 全文大小：684 K
• 卷排序：52

文摘

Collisional rate coefficients for some transitions are calculated analytically. Attempt for sorting out temperature dependence controversy is made. Some collisional rate coefficients do not depend on the molecule. Under IOS approximation, the collisional rate coefficient increases with temperature.