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Mode-specific vibrational autodetachment following excitation of electronic resonances by electrons and photons.

Anstöter, Cate S. and Mensa-Bonsu, Golda and Nag, Pamir and Ranković, Miloš and Kumar T. P., Ragesh and Boichenko, Anton N. and Bochenkova, Anastasia V. and Fedor, Juraj and Verlet, Jan R. R. (2020) 'Mode-specific vibrational autodetachment following excitation of electronic resonances by electrons and photons.', Physical review letters., 124 (20). p. 203401.


Electronic resonances commonly decay via internal conversion to vibrationally hot anions and subsequent statistical electron emission. We observed vibrational structure in such an emission from the nitrobenzene anion, in both the 2D electron energy loss and 2D photoelectron spectroscopy of the neutral and anion, respectively. The emission peaks could be correlated with calculated nonadiabatic coupling elements for vibrational modes to the electronic continuum from a nonvalence dipole-bound state. This autodetachment mechanism via a dipole-bound state is likely to be a common feature in both electron and photoelectron spectroscopies.

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Publisher statement:Reprinted with permission from the American Physical Society: Anstöter, Cate S., Mensa-Bonsu, Golda, Nag, Pamir, Ranković, Miloš, Kumar T. P., Ragesh, Boichenko, Anton N., Bochenkova, Anastasia V., Fedor, Juraj & Verlet, Jan R. R. (2020). Mode-Specific Vibrational Autodetachment Following Excitation of Electronic Resonances by Electrons and Photons. Physical Review Letters 124(20): 203401 © 2020 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Date accepted:No date available
Date deposited:22 May 2020
Date of first online publication:No date available
Date first made open access:22 May 2020

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