Author/Authors :
Coelho، نويسنده , , L.C.C. and Ferreira، نويسنده , , H.M.N.B.L. and Lopes، نويسنده , , J.A.M. and Dias، نويسنده , , T.H.V.T. and Ferreira، نويسنده , , L.F.R. and dos Santos، نويسنده , , J.M.F. and Breskin، نويسنده , , A. and Chechik، نويسنده , , R.، نويسنده ,
Abstract :
The photoelectron-collection efficiency from photocathodes in noble gases and methane is experimentally investigated. The ratio between the number of transmitted photoelectrons in the gas media and in vacuum is determined as a function of the applied reduced electric field E/p, where p is the gas pressure. Results are presented for He, Ne, Ar, Xe, Kr and CH4.
Keywords :
Methane , Electron backscattering , Photoemission , noble gases
