星际E型CH_3CN与H_2的碰撞跃迁速率系数的理论计算

THEORETICAL CALCULATION FOR THE COLLISIONAL TRANSITIONAL RATE COEFFICIENTS OF INTERSTELLAR E-TYPE CH_3CN-H_2

继本文作者对星际Ａ型ＣＨ３ＣＮ与Ｈ２含超精细能级的碰撞过程的研究之后，又计算了星际分子云条件下Ｅ型ＣＨ３ＣＮ与Ｈ２的碰撞跃迁速率系数．为研究分子云与恒星形成区的物理、化学性质提供了有用的基础分子数据．

The hyperfine collisional processes of A-type CH3CN-H2 have been studied by the authors in the last paper. To complete the research work, the collisional transitional rate coefficients of E-type CH3CN-H2 are calculated under the conditions of interstellar molecular clouds in this continued paper, which presents many fundamental data for studying physical and chemical properties of molecular cloud and star forming region.