title: AC Stark detection of optical-optical double resonance in CH2.
abstract: A new scheme for the detection of double resonance spectra of chemical intermediates involves negligible population transfer but the detection of electric field-induced energy shifts in unpopulated levels.
authors.affiliation: Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973-5000, USA.
authors.forename: Yangsoo
authors.initials: Y
authors.lastname: Kim
authors.forename: Gregory E
authors.initials: GE
authors.lastname: Hall
authors.forename: Trevor J
authors.initials: TJ
authors.lastname: Sears
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004574:Electromagnetic Fields; D004578:Electron Spin Resonance Spectroscopy / Q000379:methods; D005030:Ethylenes / Q000737:chemistry*; D005609:Free Radicals / Q000737:chemistry; D007659:Ketones / Q000737:chemistry*; D012680:Sensitivity and Specificity; D055672:Static Electricity; D013997:Time Factors
chemical_list: D005030:Ethylenes; D005609:Free Radicals; D007659:Ketones; C008223:ketene