The Photo-ionization of Potassium Vapor as a Function of Wavelength |
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2400 angstroms agree amount of ionization angstroms atom caesium calculated caused changes close COLLEGE OF ENGINEERING collisions completely continuous cool corresponding decided detected difference dissociation Ditchburn effect electric electronic Electronic collision energy evidence excited atom expect experiment explain fact fall filament Foote and Mohler frequency function further absorption gives gradually greater Hence increase indicated intensity ionization curve Kingdon length less light light filters long wave maximum means measured mercury arc metallic method molecular ionization molecule monochromator neutral observed occurs orbit peak photo-ionization Phys Plate pointed positive potassium potential pressure probability Proc quartz question radiation Ratio reverse Samuel seems sensitive series limit shape short wavelength showed side similar smaller furnace sodium square suggested surface Table taken temperature theoretical theory thermionic Thermoionic Current tive true tube vapor vary wave limit Williamson Zeits