Electronic Resource
Springer
The European physical journal
23 (1992), S. 371-376
ISSN:
1434-6079
Keywords:
34.80.Dp
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Triple differential cross sections have been measured in the vicinity of the (2s 2)1 S autoionising state of helium, following impact by 200 eV electrons. The scattered electron detector was set at an angle of −12° (anti-clockwise) and the forward and backward ejected electron angular ranges scanned. The direct ionisation cross section at an ejected electron energy of 33.5 eV has been obtained and the results for the resonant ionisation of the1 S state are presented in the Shore/Balashov parametrisation. These measurements are compared with previous experimental data and emphasise the need for new detailed theoretical calculations on the autoionisation process.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01429260
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