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- Title
State-selection and orientation of CH radicals by an electric hexapole.
- Authors
Ohoyama, H.; Nagamachi, Y.; Kasai, T.
- Abstract
A pure and high intense pulsed supersonic CH (X2Π ) radical beam source was developed via the C(1D) + H2 reaction. An electrostatic hexapole field was used to state-select CH radicals. The focusing curves for the single rotational states of CH were measured for the first time by a saturated laser-induced fluorescence (SLIF) spectroscopy for the R-branch in A2Δ3/2 ← X2Π 1/2 transition. The focusing curves were simulated by the classical trajectory simulation based on a Stark energy analysis of the rotational energy levels, including spin-orbit and Λ-doubling coupling effects. In addition, orientational distribution functions were calculated for the selectable states.
- Subjects
HYDROCARBONS; RADICALS (Chemistry); ELECTROSTATICS; LASER photochemistry; FLUORESCENCE spectroscopy; ENERGY levels (Quantum mechanics)
- Publication
European Physical Journal D (EPJ D), 2006, Vol 38, Issue 1, p231
- ISSN
1434-6060
- Publication type
Article
- DOI
10.1140/epjd/e2006-00001-y