Accession Number : AD0712689

Title :   PRODUCTION OF POSITIVE IONS AND ELECTRONS IN COLLISIONS OF 1-25 keV PROTONS AND HYDROGEN ATOMS WITH CO, CO2, CH4, AND NH3,

Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS

Personal Author(s) : McNeal,Robert J.

Report Date : 25 SEP 1970

Pagination or Media Count : 21

Abstract : Cross sections are reported for the production of slow, positive-ions (sigma(+)) and electrons (sigma(-)) in collisions of 1-25 keV protons and hydrogen atoms with CO, CO2, CH4, and NH3. For H(+) bombardment sigma(-) is the total ionization cross section, and sigma(+) - sigma(-) is the total electron capture cross section, sigma 10. For H(o) bombardment sigma(+) is a good approximation to the total ionization cross section. The results are compared with other results in different, overlapping energy ranges, and their application to the physics of planetary atmospheres is discussed. (Author)

Descriptors :   (*IONIZATION, *PROTON BOMBARDMENT), (*CARBON MONOXIDE, IONIZATION), (*CARBON DIOXIDE, IONIZATION), (*AMMONIA, IONIZATION), (*METHANE, IONIZATION), HYDROGEN, ELECTRON CAPTURE

Subject Categories : Physical Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE