Rotationally resolved photoelectron spectroscopic study of the $\tilde{A}^+$ STATE OF H$_2$O$^+$
(2016) 71st international symposium on molecular spectroscopy — Location: Champaign-Urbana USA (20.June.2016)
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- Abstract
- This talk will present the analysis of the rotationally resolved pulsed-field-ionization zero-kinetic-energy (PFI-ZEKE)photoelectron spectrum of H2O and will be focussed on the A˜+←X˜ transitions. H2O + in the A˜+ state is predicted to be linear c . The sensitivity and the high resolution of PFI- ZEKE photoelectron spectroscopy allowed us to observe the rotational structure of low bending vibrational levels of the A˜+ state of H2O + from the X˜ ground electronic state of H2O. The assignment of the rotational structure of ionic levels previously observed by optical spectroscopy of the A˜+ - X˜ + band system of H2O + d e will be presented and the intensity distribution of the photoelectron spectrum will be discussed in terms of the even or odd nature of the orbital angular momentum quantum number l of the photoelectron. Tentative assignments will be presented for several low-lying vibrational levels of the A˜+ state and compared with theoretical predictions c . They will also be discussed in terms of the rotational structure of higher A˜+ vibrational levels of the same symmetry.
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Lauzin, C., Gans, B., Jacovella, U., & Merkt, F. (2016). Rotationally resolved photoelectron spectroscopic study of the $\tilde{A}^+$ STATE OF H$_2$O$^+$. 71st international symposium on molecular spectroscopy, Champaign-Urbana USA. https://hdl.handle.net/2078.5/181793