Doppler Measurement of Differential Cross Sections in Crossed Beam Experiments: Dependence of the Detection Sensitivity With the Product Velocity | Zendy

N. Billy | Zendy; B. Girard | Zendy; G. Gouédard | Zendy; J. Vigué | Zendy

Open Access

Doppler Measurement of Differential Cross Sections in Crossed Beam Experiments: Dependence of the Detection Sensitivity With the Product Velocity

Author(s) -

N. Billy,

B. Girard,

G. Gouédard,

J. Vigué

Publication year - 1989

Publication title -

laser chemistry

Language(s) - English

Resource type - Journals

eISSN - 1026-8014

pISSN - 0278-6273

DOI - 10.1155/1990/71064

Subject(s) - rotational–vibrational spectroscopy , doppler effect , chemistry , analytical chemistry (journal) , scattering , laser induced fluorescence , atomic physics , laser , physics , excited state , optics , astronomy , chromatography

Differential cross sections can be measured as a function of the internal state of a reaction product thanks to the analysis of the Doppler profile of the laser induced fluorescence detection line. This analysis is complicated by two effects: first, the LIF signal intensity depends on the interaction time of the molecule with the laser, and this time depends on the scattering angle, second, the angular and velocity distributions of the beams have non negligible widths. We present here a treatment of these effects in the case of the F

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