具有永久电偶极矩的线性三原子离子的离解复合理论：HCO $^{+}$的研究
Theory of dissociative recombination of a linear triatomic ion with permanent electric dipole moment: Study of HCO$^{+}$
摘要：
本文从理论上描述了具有大永久偶极矩的三原子分子离子的离解复合。这项研究的部分动机是HCO $^+$离子解离重组的实验和理论截面之间的差异。HCO $^{+}$离子具有相当大的永久偶极矩（$D\approx$ 4德拜），这在以前的理论研究中没有明确考虑。在本研究中，我们明确地包括永久电偶极子的影响，使用广义量子亏损理论的入射电子的动力学，我们提出了由此得到的截面。这是广义量子亏损理论首次应用于分子离子的解离复合。
英文摘要：
We present a theoretical description of dissociative recombination of triatomic molecular ions having large permanent dipole moments. The study has been partly motivated by a discrepancy between experimental and theoretical cross-sections for dissociative recombination of the HCO$^+$ ion. The HCO$^{+}$ ion has a considerable permanent dipole moment ($D\approx$4 debye), which has not been taken explicitly into account in previous theoretical studies. In the present study, we include explicitly the effect of the permanent electric dipole on the dynamics of the incident electron using the generalized quantum defect theory, and we present the resulting cross section obtained. This is the first application of generalized quantum defect theory to the dissociative recombination of molecular ions.
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