Dissociative electron attachment to CO molecule probed by velocity slice imaging technique

30th International Conference on Photonic, Electronic, and Atomic Collisions

Nag, Pamir^1 ; Nandi, Dhananjay^1

Indian Institute of Science Education and Research Kolkata, Mohanpur

741246, India^1

关键词: CO molecule;    Coherent interference;    Dissociative electron attachment;    Momentum imaging;    R-matrix calculation;    Velocity slice imaging;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/2/012021/pdf
DOI  :  10.1088/1742-6596/875/2/012021

来源: IOP

【 摘 要 】

We have studied dissociative electron attachment to CO molecule using the well-established velocity slice imaging spectrometer. We have conclusively determined the symmetries of the TNI states involved in both the channels producing O-ions. In contrast to a recent report, we observed additional forwards lobes in the angular distribution data and we claim there is no need to invoke coherent interference between different states as introduced previously. Recent R-matrix calculations and momentum imaging study by other groups strongly support our claims.