Differential cross section for electron impact excitation of metastable helium measured by the atomic time-of-flight method
Zajonc, A. G.; Weinreich, G.; Zorn, Jens C.
1977-02-01
Citation
Zajonc, A G; Weinreich, G; Zorn, J C (1977). "Differential cross section for electron impact excitation of metastable helium measured by the atomic time-of-flight method." Journal of Physics B: Atomic and Molecular Physics. 10(2): L43-L46. <http://hdl.handle.net/2027.42/48848>
Abstract
The authors have measured the differential cross section for the inelastic process He(11S0)+e- to He(23S1)+e- just above threshold by bombarding a beam of helium atoms with electrons from a pulsed electron gun and measuring the times of flight of the excited metastable atoms to a distant detector. Since each time of flight corresponds to a definite value of the electron scattering angle, the angular distribution of electrons scattered over the entire range 0-180 degrees is deduced from the data.Publisher
IOP Publishing Ltd
ISSN
0022-3700
Other DOIs
Types
Article
Metadata
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