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本文采用准经典轨线方法,在LEPS势基础上计算了Ca+CH3I→CaI+CH3在不同碰撞能下的矢量相关计算了质心系中四个广义极化微分反应截面(2π/σ)(dσ00/dωt),(2π/σ)(dσ20/dωt),(2π/σ)(dσ22+/dωt),(2π/σ)(dσ21-/dωt),k-j′两矢量相关的P(θr)分布、k-k′-j′三矢量相关的极角分布P(φr)以及用θr和φr表示的产物转动角动量的空间分布P(θr,φr).
In this paper, based on the LEPS potential, we calculated the vector correlation of Ca + CH3I → CaI + CH3 under different collision energy. Four generalized polarization reaction cross sections (2π / σ) in the center of mass system were calculated (dσ00 (θr) distribution of (2π / σ) (dσ22 / dωt), (2π / σ) (dσ21- / dωt) and kj ’ the polar vector P (φr) associated with the three vectors kk’-j ’, and the spatial distribution P (θr, φr) of the angular momentum of the product expressed by θr and φr.