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Detection of explosives, nerve agents, and illicit substances by zero-energy electron attachmentThe Reversal Electron Attachment Detection (READ) method, developed at JPL/Caltech, has been used to detect a variety of substances which have electron-attachment resonances at low and intermediate electron energies. In the case of zero-energy resonances, the cross section (hence attachment probability and instrument sensitivity) is mediated by the so-called s-wave phenomenon, in which the cross sections vary as the inverse of the electron velocity. Hence this is, in the limit of zero electron energy or velocity, one of the rare cases in atomic and molecular physics where one carries out detection via infinite cross sections.
Document ID
20060033152
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Chutjian, A.
Darrach, M. R.
Date Acquired
August 23, 2013
Publication Date
July 10, 2000
Distribution Limits
Public
Copyright
Other
Keywords
vapor detection explosives electron detachment

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