CERN Accelerating science

Article
Report number	arXiv:1309.4658
Title	Secondary electron emission yield in the limit of low electron energy
Author(s)	Andronov, A.N. (St. Petersburg Polytechnic Inst.) ; Smirnov, A.S. (St. Petersburg Polytechnic Inst.) ; Kaganovich, I.D. (Princeton U., Plasma Physics Lab.) ; Startsev, E.A. (Princeton U., Plasma Physics Lab.) ; Raitses, Y. (Princeton U., Plasma Physics Lab.) ; Demidov, V.I. (West Virginia U.)
Publication	2013-04-22
Imprint	18 Sep 2013
Number of pages	3
Note	Comments: 3 pages, contribution to the Joint INFN-CERN-EuCARD-AccNet Workshop on Electron-Cloud Effects: ECLOUD'12; 5-9 Jun 2012, La Biodola, Isola d'Elba, Italy 3 pages, contribution to the Joint INFN-CERN-EuCARD-AccNet Workshop on Electron-Cloud Effects: ECLOUD'12; 5-9 Jun 2012, La Biodola, Isola d'Elba, Italy
In:	AIP Conf. Proc. C 1206051 (2013) pp.161-163
In:	ECLOUD’12: Joint INFN-CERN-EuCARD-AccNet Workshop on Electron-Cloud Effects, pp.161-163
DOI	10.5170/CERN-2013-002.161
Subject category	Accelerators and Storage Rings
Abstract	Secondary electron emission (SEE) from solids plays an important role in many areas of science and technology.1 In recent years, there has been renewed interest in the experimental and theoretical studies of SEE. A recent study proposed that the reflectivity of very low energy electrons from solid surface approaches unity in the limit of zero electron energy2,3,4, If this was indeed the case, this effect would have profound implications on the formation of electron clouds in particle accelerators,2-4 plasma measurements with electrostatic Langmuir probes, and operation of Hall plasma thrusters for spacecraft propulsion5,6. It appears that, the proposed high electron reflectivity at low electron energies contradicts to numerous previous experimental studies of the secondary electron emission7. The goal of this note is to discuss possible causes of these contradictions.
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