Cars study of vibrationally excited H2 produced in formaldehyde dissociation |
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| Authors: | M Pealat D Debarre J-M Marie J-PE Taran A Tramer CB Moore |
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| Institution: | ONERA, 92320 Chatillon, France;Laboratoire de Photophysique Moleculaire, Orsay, France;Department of Chemistry, University of California, Berkeley, California 94720, USA |
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| Abstract: | Coherent anti-Stokes Raman scattering (CARS) has been used to observe H2 from H2CO + hv H2 + CO. Photolysis of K = 1 (ortho) lines of the 2141 S1 ← S0 transition produced no para-H2 (<4% statistical); and demonstrated nuclear spin conservation. H2 states v = 1, 2 and 3 were comparably populated. |
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