
TY  - JOUR
A1  - Milloy, HB 
A1  - Reid, ID 
A1  - Crompton, RW 
T1  - Zero-field Mobility for Electrons in Dry and Humid Air
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1975
VL  - 28
IS  - 2
SP  - 231
EP  - 234
KW  - 
UR  - https://doi.org/10.1071/PH750231 
N2  - The zero-field mobility of electrons in dry and humid air at 294 K has been studied with drift tube techniques. For air containing 1.5 % water vapour (50 % relative humidity) the zero-field mobility was found to be 8.4 ± 0.2 X 105 cm s&#8722;l Td&#8722;l. The zero-field mobility of electrons in dry air (4.7 ± 0.2 x 106 cm s&#8722;l Td&#8722;l) was deduced from measurements in which small quantities of CO2 Were added to reduce the electron energy. It is estimated that the momentum transfer cross section for electron&#8211;oxygen collisions, at near thermal energies, is at least four times smaller than it is for electron&#8211;nitrogen collisions. 
ER  -

