On The High Rydberg States Of The Formyl Radical The Dynamics of Vibrational Autoionization in Triatomic Molecules

TL;DRAbstract

The spectroscopy of molecular Rydberg states provides a powerful link between the electronic structure of molecular excited states and the dynamics of a variety of important electron-cation scattering interactions including for example collisional and associative ionization, photoionization, dielectronic and dissociative recombination, and various forms of autoionization. A key element in this link is the interpretative framework provided by Multichannel Quantum Defect Theory (MQDT) [1, 2]. This treatment ties electron-cation scattering amplitudes to potential energy surface features of the cation-electron collision complex. Its strength lies in the systematic explanation of many thousands of spectral features and underlying state-to-state interactions in terms of small number of accurately determined details of the electronic structure of a system. Following its initial extension from atoms [3], MQDT has grown to become an established tool for understanding the excited-state structure

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