Search Results - "Hickson, K. M"

How Measurements of Rate Coefficients at Low Temperature Increase the Predictivity of Photochemical Models of Titan’s Atmosphere by Hébrard, E, Dobrijevic, M, Pernot, P, Carrasco, N, Bergeat, A, Hickson, K. M, Canosa, A, Le Picard, S. D, Sims, I. R

“…The predictivity of photochemical models of Titan’s atmosphere depends strongly on the precision and accuracy of reaction rates. For many reactions, large…”
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Characterization of the Observed Electric Field and Molecular Relaxation Times for Millimeter-Wave Chirped Pulse Instrumentation by Dhont, G., Fontanari, D., Bray, C., Mouret, G., Cuisset, A., Hindle, F., Hickson, K. M., Bocquet, R.

“…In a chirped pulse experiment, the strength of the signal level is proportional to the amplitude of the electric field, which is weaker in the millimeter-wave…”
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Modelling complex organic molecules in dense regions: Eley–Rideal and complex induced reaction by Ruaud, M, Loison, J C, Hickson, K M, Gratier, P, Hersant, F, Wakelam, V

“…Recent observations have revealed the existence of complex organic molecules (COMs) in cold dense cores and pre-stellar cores. The presence of these molecules…”
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1D-coupled photochemical model of neutrals, cations and anions in the atmosphere of Titan by Dobrijevic, M., Loison, J.C., Hickson, K.M., Gronoff, G.

“…•We developed a 1D model coupling neutrals with positive and negative ions.•We have updated the chemical scheme and absorption cross sections.•Agreement with…”
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Detection of CH3SH in protostar IRAS 16293-2422 by Majumdar, Liton, Gratier, P., Vidal, Thomas, Wakelam, Valentine, Loison, Jean-Christophe, Hickson, Kevin M., Caux, Emmanuel

“…The nature of the main sulphur reservoir in star forming regions is a long standing mystery. The observed abundance of sulphur-bearing species in dense clouds…”
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The neutral photochemistry of nitriles, amines and imines in the atmosphere of Titan by Loison, J.C., Hébrard, E., Dobrijevic, M., Hickson, K.M., Caralp, F., Hue, V., Gronoff, G., Venot, O., Bénilan, Y.

“…•We study the photochemical richness of Titan’s atmosphere.•We review and complete the neutral chemistry of nitrogen containing compounds.•A review of…”
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Impact of the transport of magnetospheric electrons on the composition of the Triton atmosphere by Benne, B, Benmahi, B, Dobrijevic, M, Cavalié, T, Loison, J-C, Hickson, K. M, Barthélémy, M, Lilensten, J

“…A&A, 686 (2024) A22 Due to its inclined orbit and the complex geometry of the magnetic field of Neptune, Triton experiences a highly variable magnetic…”
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A photochemical model of Triton's atmosphere with an uncertainty propagation study by Benne, B, Dobrijevic, M, Cavalié, T, Loison, J-C, Hickson, K. M

“…A&A 667, A169 (2022) Triton is the largest satellite of Neptune and probably a Kuiper Belt Object that was captured by the planet. It has a tenuous nitrogen…”
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Detection of ethanol, acetone, and propanal in TMC-1: New O-bearing complex organics in cold sources by Agundez, M, Loison, J. C, Hickson, K. M, Wakelam, V, Fuentetaja, R, Cabezas, C, Marcelino, N, Tercero, B, de Vicente, P, Cernicharo, J

“…A&A 673, A34 (2023) We present the detection of ethanol (C2H5OH), acetone (CH3COCH3), and propanal (C2H5CHO) toward the cyanopolyyne peak of TMC-1. These three…”
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Gas-phase Elemental abundances in Molecular cloudS (GEMS) III. Unlocking the CS chemistry: the CS+O reaction by Bulut, N, Roncero, O, Aguado, A, Loison, J. -C, Navarro-Almaida, D, Wakelam, V, Fuente, A, Roueff, E, Gal, R. Le, Caselli, P, Hickson, M. Gerinm K. M, Spezzano, S, Riviere-Marichalar, P, Alonso-Albi, T, Bachiller, R, Jimenez-Serra, I, Kramer, C, Tercero, B, Rodriguez-Baras, M, Garcia-Burillo, S, Goicoechea, J. R, Treviño-Morales, S. P, Esplugues, G, Cazaux, S, Commercon, B, Laas, J, Kirk, J, Lattanzi, V, Martin-Domenech, R, Muñoz-Caro, G, Pineda, J, Ward-Thompson, D, Tafalla, M, Marcelino, N, Malinen, J, Friesen, R, Giuliano, B. M, Agundez, M, Hacar, A

“…Astronomy & Astrophysics 646, A5 (2021) CS is among the most abundant gas-phase S-bearing molecules in cold dark molecular clouds. It is easily observable with…”
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1D photochemical model of the ionosphere and the stratosphere of Neptune by Dobrijevic, M, Loison, J. C, Hue, V, Cavalié, T, Hickson, K. M

“…Icarus 335 (2020), 113375 Neptune remains a mysterious world that deserves further exploration and is a high-priority objective for a future planetary mission…”
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The photochemical production of aromatics in the atmosphere of Titan by Loison, J.C., Dobrijevic, M., Hickson, K.M.

“…The photochemical processes at work in the atmosphere of Titan are very complex and lead to a great variety of compounds with aerosols as an end-product. One…”
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Chemical compositions of five Planck cold clumps by Wakelam, V, Gratier, P, Ruaud, M, Gal, R. Le, Majumdar, L, Loison, J. -C, Hickson, K. M

“…Aims: Interstellar molecules form early in the evolutionary sequence of interstellar material that eventually forms stars and planets. To understand this…”
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Coupling of oxygen, nitrogen, and hydrocarbon species in the photochemistry of Titan’s atmosphere by Dobrijevic, M., Hébrard, E., Loison, J.C., Hickson, K.M.

“…•Update and improvement of oxygen photochemistry in Titan’s atmosphere.•Coupling between the chemistry of hydrocarbon, nitrogen and oxygen species.•New…”
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Ab initio study of the C+HNC, N+C2H, H+C2N and H+CNC reactions by Loison, J.C., Hickson, K.M.

“…•Ab initio calculations on the H, N, C, C system.•HNC isomerization.•Interstellar HCN/HNC ratio.•Interstellar C2N production.•Interstellar nitriles chemistry…”
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A proposed chemical scheme for HCCO formation in cold dense clouds by Wakelam, V., Loison, J.-C., Hickson, K. M., Ruaud, M.

“…The ketenyl radical (HCCO) has recently been discovered in two cold dense clouds with a non-negligible abundance of a few 10−11 (compared to H2). Until now, no…”
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1D photochemical model of the ionosphere and the stratosphere of Neptune by Dobrijevic, M., Loison, J.C., Hue, V., Cavalié, T., Hickson, K.M.

“…Neptune remains a mysterious world that deserves further exploration and is a high-priority objective for a future planetary mission in order to better…”
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The photochemical fractionation of oxygen isotopologues in Titan’s atmosphere by Loison, J.C., Dobrijevic, M., Hickson, K.M., Heays, A.N.

“…•We developed a 1D model coupling neutrals and ions in Titan’s atmosphere.•We created a new chemical scheme for oxygen isotopologues.•Agreement with…”
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A proposed chemical scheme for HCCO formation in cold dense clouds by Wakelam, V, Loison, J. -C, Hickson, K. M, Ruaud, M

“…2015 MNRAS Letters, Vol 453, Issue 1, p.L48-L52 The ketenyl radical (HCCO) has recently been discovered in two cold dense clouds with a non-negligible…”
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A Kinetic Study of the Gas-Phase O( 1 D) + CH3OH and O( 1 D) + CH3CN Reactions. Low Temperature Rate Constants and Atomic Hydrogen Product Yields by Hickson, Kevin K. M, Loison, Jean-Christophe

“…Journal of Physical Chemistry A, American Chemical Society, 2022, 126 (24), pp.3903-3913 Atomic oxygen in its first excited singlet state, O(1 D), is an…”
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