Photofragment space distribution in the photodissociation of NaI in the spectral range
315–370 nm: the role of molecular axis rotation |
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| Authors: | K O Korovin E Heinecke A Patzer T Liebig O S Vasyutinskii D Zimmermann |
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| Institution: | (1) Ioffe Physico-Technical Institute, Russian Academy of Sciences, 194021 Saint-Petersburg, Russia;(2) Institute of Atomic Physics, Technical University of Berlin, 10623 Berlin, Germany |
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| Abstract: | The first determination of translational anisotropy parameters β in the
photodissociation of NaI molecules in the spectral range
315–370 nm is reported. The anisotropy parameters were
determined by the analysis of Doppler resolved absorption profiles of
Na(2S1/2) atoms produced in the photodissociation of NaI by
linearly polarized light. The profiles were recorded for two orientations of
the photolysis light: parallel and perpendicular to the direction of the
probe beam. The value of the parameter β was obtained from a simultaneous fit
of the profiles. The role of the rotation of the parent molecules on the
branching ratio between parallel and perpendicular transitions in NaI during
dissociation is discussed. |
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| Keywords: | 33 80 -b Photon interactions with molecules 33 80 Be Level crossing and optical pumping 33 80 Gj Diffuse spectra predissociation photodissociation |
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