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2001A&A...372.1064L - Astronomy and Astrophysics, volume 372, 1064-1070 (2001/6-4)
The Si(3PJ) + O2 reaction: A fast source of SiO at very low temperature: CRESU measurements and interstellar consequences.
LE PICARD S.D., CANOSA A., PINEAU DES FORETS G., REBRION-ROWE C. and ROWE B.R.
Abstract (from CDS):
The rate coefficient of the reaction Si(3PJ) + O2 -> SiO + O has been measured at temperatures down to 15 K using a CRESU (Cinetique de Reaction en Ecoulement Supersonique Uniforme) apparatus coupled with the PLP-LIF (Pulsed Laser Photolysis - Laser Induced Fluorescence) technique. The temperature dependence of the rate coefficient is well fitted using the expression: 1.72x10–10 (T/300 K)–0.53((-17)K/T)cm3/molecule/s in the temperature range 15-300K. The silicon chemistry in interstellar clouds is reviewed and possible consequences of our study are stressed.
Abstract Copyright: ∼
Journal keyword(s): molecular processes - methods: laboratory - ISM: molecules
Simbad objects: 3
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