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Dissociative electron attachment cross sections for H2 and D2

Krishnakumar, E., Denifl, S., Cadez, I., Markelj, S., Mason, Nigel (2011) Dissociative electron attachment cross sections for H2 and D2. Physical Review Letters, 106 (24). (doi:10.1103/PhysRevLett.106.243201) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:74749)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. (Contact us about this Publication)
Official URL
https://doi.org/10.1103/PhysRevLett.106.243201

Abstract

New measurements of the absolute cross sections for dissociative electron attachment (DEA) in molecular hydrogen and deuterium are presented which resolve previous ambiguities and provide a test bed for theory. The experimental methodology is based upon a momentum imaging time-of-flight spectrometer that allowed us to eliminate any contributions due to electronically excited metastable neutrals and ultraviolet light while ensuring detection of all the ions. The isotope effect in the DEA process in the two molecules is found to be considerably larger than previously observed. More importantly, it is found to manifest in the polar dissociation process (also known as ion pair production) as well.

Item Type: Article
DOI/Identification number: 10.1103/PhysRevLett.106.243201
Uncontrolled keywords: Absolute cross sections, Cross section, Dissociation process, Dissociative electron attachment, Experimental methodology, Ion pairs, Isotope effect, Molecular hydrogen, Momentum imaging, Time-of-flight spectrometer, Ultra-violet light, Deuterium, Electron energy analyzers, Equipment testing, Ultraviolet radiation, Photodissociation
Divisions: Faculties > Sciences > School of Physical Sciences
Depositing User: Nigel Mason
Date Deposited: 17 Jul 2019 15:15 UTC
Last Modified: 17 Jul 2019 15:15 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/74749 (The current URI for this page, for reference purposes)
Mason, Nigel: https://orcid.org/0000-0002-4468-8324
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