Current state and prospects of dissociative electron attachment spectroscopy
Š. Matejčíkc aInstitute of Molecular and Crystal Physics, Ufa Research Center, Russian Academy of Sciences, prosp. Oktyabrya 151, Ufa, 450075, Russian Federation bMoscow Institute of Physics and Technology (National Research University), Institutskii per. 9, Dolgoprudny, Moscow Region, 141701, Russian Federation cDepartment of Experimental Physics, Comenius University, Mlynská dolina F2, Bratislava, 84248, Slovakia
Latest achievements in the field of experimental and theoretical studies of low-energy (0—15 eV) resonance electron scattering on molecular targets under gas-phase conditions leading to formation and decay of negative ions are reviewed. The most attention is attended to dissociative electron attachment spectroscopy as a means to study the dynamics of molecules containing an excess electron on microseconds timescale. Some investigations of fundamental processes in isolated negative ions containing up to several electronvolts of the excess energy as well as likely applications of the findings in the interdisciplinary fields are briefly described. This works is partly aimed to attract attention to above-mentioned studies which are rapidly growing abroad but are presented undeservedly very little in the domestic scientific literature.
Keywords: resonance electron scattering, shape resonance, vibrational Feshbach resonance, long-lived molecular negative ions, dissociative attachment, autodetachment, electron-driven processes, spectroscopy, mass-spectrometry PACS:34.80.Ht, 34.80.−i, 34.90.+q, 39.90.+d (all) DOI:10.3367/UFNe.2021.09.039054 Citation: Pshenichnyuk S A, Asfandiarov N L, Vorob’ev A S, Matejčík Š "Current state and prospects of dissociative electron attachment spectroscopy" Phys. Usp., accepted
Received: 21st, August 2021, revised: 3rd, September 2021, accepted: 6th, September 2021