Current state of modeling the photochemistry of Titan's mutually dependent atmosphere and ionosphere

EH Wilson, SK Atreya - Journal of Geophysical Research …, 2004 - Wiley Online Library
In the context of recent observations, microphysical models, and laboratory data, a
photochemical model of Titan's atmosphere, including updated chemistry focusing on rate …

Are PAHs precursors of small hydrocarbons in photo-dissociation regions? The Horsehead case

J Pety, D Teyssier, D Fossé, M Gerin, E Roueff… - Astronomy & …, 2005 - aanda.org
We present maps at high spatial and spectral resolution in emission lines of CCH, cC 3 H 2,
C 4 H, 12 CO and C 18 O of the edge of the Horsehead nebula obtained with the IRAM …

Coupling photochemistry with haze formation in Titan's atmosphere, part I: Model description

PP Lavvas, A Coustenis, IM Vardavas - Planetary and Space Science, 2008 - Elsevier
We introduce a new 1D coupled Radiative/Convective-Photochemical-Microphysical model
for a planetary atmosphere and apply it to Titan. The model incorporates detailed radiation …

The Composition and Chemistry of Titan's Atmosphere

CA Nixon - ACS Earth and Space Chemistry, 2024 - ACS Publications
In this review I summarize the current state of knowledge about the composition of Titan's
atmosphere and our current understanding of the suggested chemistry that leads to that …

Seasonal variations of Titan's atmospheric composition

S Lebonnois, D Toublanc, F Hourdin, P Rannou - Icarus, 2001 - Elsevier
In order to investigate seasonal variations of the composition of Titan's low stratosphere, we
developed a two-dimensional (latitude–altitude) photochemical and transport model. Large …

Chemistry of Energetically Activated Cumulenes—From Allene (H2CCCH2) to Hexapentaene (H2CCCCCCH2)

X Gu, RI Kaiser, AM Mebel - ChemPhysChem, 2008 - Wiley Online Library
During the last decade, experimental and theoretical studies on the unimolecular
decomposition of cumulenes (H2CnH2) from propadiene (H2CCCH2) to hexapentaene …

Photodissociation Dynamics of Propyne and Allene: A View from ab Initio Calculations of the C3H n (n= 1− 4) Species and the Isomerization Mechanism for C3H2

AM Mebel, WM Jackson, AHH Chang… - Journal of the American …, 1998 - ACS Publications
Potential energy surfaces of various primary and secondary products from the
photodissociation of propyne and allene, including the C3H n (n= 1− 3) species, have been …

Rate coefficients for the propargyl radical self-reaction and oxygen addition reaction measured using ultraviolet cavity ring-down spectroscopy

DB Atkinson, JW Hudgens - The Journal of Physical Chemistry A, 1999 - ACS Publications
By using 193 nm laser photolysis and cavity ring-down spectroscopy to produce and monitor
the propargyl radical (CH2CCH), the self-reaction and oxygen termolecular association rate …

A crossed molecular beam study on the reaction of methylidyne radicals [CH (X 2 Π)] with acetylene [C 2 H 2 (X 1 Σ g+)]—competing C 3 H 2+ H and C 3 H+ H 2 …

P Maksyutenko, F Zhang, X Gu… - Physical Chemistry …, 2011 - pubs.rsc.org
We carried out the crossed molecular beam reaction of ground state methylidyne radicals,
CH (X2Π), with acetylene, C2H2 (X1Σg+), at a nominal collision energy of 16.8 kJ mol− 1 …

C + C2H2: A Key Reaction in Interstellar Chemistry

DC Clary, E Buonomo, IR Sims… - The Journal of …, 2002 - ACS Publications
The fast reaction between C (3P) and C2H2 is thought to be an important process in dense
interstellar clouds as it provides a mechanism for the growth of carbon chains. This feature …