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- W2983757536 abstract "Rate coefficients have been measured for the reaction of CH radicals with formaldehyde, CH$_{2}$O, over the temperature range 31 - 133 K using a pulsed Laval nozzle apparatus combined with pulsed laser photolysis and laser induced fluorescence spectroscopy. The rate coefficients are very large and display a distinct decrease with decreasing temperature below 70 K, although classical collision rate theory fails to reproduce this temperature dependence. The measured rate coefficients have been parameterized and used as input for astrochemical models for both dark cloud and AGB stellar outflow scenarios. The models predict a distinct change (up to a factor of two) in the abundance of ketene, H$_{2}$CCO, which is the major expected molecular product of the CH + CH$_{2}$O reaction." @default.
- W2983757536 created "2019-11-22" @default.
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- W2983757536 date "2019-11-07" @default.
- W2983757536 modified "2023-10-18" @default.
- W2983757536 title "Measurements of Low Temperature Rate Coefficients for the Reaction of CH with CH<sub>2</sub>O and Application to Dark Cloud and AGB Stellar Wind Models" @default.
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- W2983757536 doi "https://doi.org/10.3847/1538-4357/ab480e" @default.
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