Search Results - "BENILAN, Yves"

Experimental Investigation of the Photochemical Production of Hydrocarbons in Warm Gas Giant Exoplanet Atmospheres by Fleury, Benjamin, Benilan, Yves, Venot, Olivia, Henderson, Bryana L., Swain, Mark, Gudipati, Murthy S.

“…Abstract In warm (equilibrium temperature <1000 K) gas giant exoplanet atmospheres, the observation of trace species in abundances deviating from…”
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TITAN'S UPPER ATMOSPHERE FROM CASSINI/UVIS SOLAR OCCULTATIONS by Capalbo, Fernando J., Bénilan, Yves, Yelle, Roger V., Koskinen, Tommi T.

“…ABSTRACT Titan's atmosphere is composed mainly of molecular nitrogen, methane being the principal trace gas. From the analysis of 8 solar occultations measured…”
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Photodestruction of Relevant Interstellar Molecules in Ice Mixtures by Cottin, Hervé, Moore, Marla H, Bénilan, Yves

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Ionization photophysics and Rydberg spectroscopy of diacetylene by Schwell, Martin, Bénilan, Yves, Fray, Nicolas, Gazeau, Marie-Claire, Es-Sebbar, Et, Gaie-Levrel, François, Champion, Norbert, Leach, Sydney

“…Photoionization of diacetylene was studied using synchrotron radiation over the range 8-24 eV, with photoelectron-photoion coincidence (PEPICO) and threshold…”
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VUV photoionization of acetamide studied by electron/ion coincidence spectroscopy in the 8–24 eV photon energy range by Schwell, Martin, Bénilan, Yves, Fray, Nicolas, Gazeau, Marie-Claire, Es-Sebbar, Et, Garcia, Gustavo A., Nahon, Laurent, Champion, Norbert, Leach, Sydney

“…[Display omitted] ► We study the VUV photoionization of acetamide in the 8–24 eV photon energy range. ► Electron/ion coincidence measurements are performed…”
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Semi-empirical calculation of electronic absorption wavelengths of polyynes, monocyano- and dicyanopolyynes. Predictions for long chain compounds and carbon allotrope carbyne by Scemama, Anthony, Chaquin, Patrick, Gazeau, Marie-Claire, Bénilan, Yves

“…Absorption wavelengths and oscillator strengths have been calculated using the ZINDO method for the allowed low-energy electronic transition 1Σ +← 1Σ + of…”
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Ionization photophysics and spectroscopy of cyanoacetylene by Leach, Sydney, Garcia, Gustavo A, Mahjoub, Ahmed, Bénilan, Yves, Fray, Nicolas, Gazeau, Marie-Claire, Gaie-Levrel, François, Champion, Norbert, Schwell, Martin

“…Photoionization of cyanoacetylene was studied using synchrotron radiation over the non-dissociative ionization excitation range 11-15.6 eV, with…”
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New benzene absorption cross sections in the VUV, relevance for Titan’s upper atmosphere by Capalbo, Fernando J., Bénilan, Yves, Fray, Nicolas, Schwell, Martin, Champion, Norbert, Es-sebbar, Et-touhami, Koskinen, Tommi T., Lehocki, Ivan, Yelle, Roger V.

“…•We measured benzene absorption cross sections in the temperature range 215–298K.•We presented the first analysis of temperature dependency, which is…”
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Detection of C2HD and the D/H ratio on Titan by COUSTENIS, Athena, JENNINGS, Donald E, FLASAR, F. Michael, JOLLY, Antoine, BENILAN, Yves, NIXON, Conor A, VINATIER, Sandrine, GAUTIER, Daniel, BJORAKER, Gordon L, ROMANI, Paul N, CARLSON, Ronald C

“…We report here the first detection of mono-deuterated acetylene (acetylene-d1, C 2HD) in Titan's atmosphere from the presence of two of its emission bands at…”
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First line shape analysis and spectroscopic parameters for the ν11 band of 12C2H4 by Es-sebbar, Et-touhami, Mantzaras, John, Benilan, Yves, Farooq, Aamir

“…An accurate knowledge of line intensities, collisional broadening coefficients and narrowing parameters is necessary for the interpretation of high-resolution…”
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Origin of cometary extended sources from degradation of refractory organics on grains: polyoxymethylene as formaldehyde parent molecule by Cottin, Hervé, Bénilan, Yves, Gazeau, Marie-Claire, Raulin, François

“…The radial distribution of some molecules (CO, H 2CO, HNC, …) observed in the coma of some comets cannot be explained only by a direct sublimation from the…”
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Characterization of aromaticity in analogues of titan's atmospheric aerosols with two-step laser desorption ionization mass spectrometry by Mahjoub, Ahmed, Schwell, Martin, Carrasco, Nathalie, Benilan, Yves, Cernogora, Guy, Szopa, Cyril, Gazeau, Marie-Claire

“…The role of polycyclic aromatic hydrocarbons (PAH) and Nitrogen containing PAH (PANH) as intermediates of aerosol production in the atmosphere of Titan has…”
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Low temperature (39-298 K) kinetics study of the reactions of the C4H radical with various hydrocarbons observed in Titan's atmosphere by BERTELOITE, Coralie, LE PICARD, Sébastien D, BIRZA, Petre, GAZEAU, Marie-Claire, CANOSA, André, BENILAN, Yves, SIMS, Ian R

“…The reaction kinetics of the butadinyl radical, C4H, with various hydrocarbons detected in the atmosphere of Titan (methane, ethane, propane, acetylene, ethene…”
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TITAN UPPER ATMOSPHERE FROM CASSINI/UVIS SOLAR OCCULTATIONS by Capalbo, Fernando J, Benilan, Yves, Yelle, Roger V, Koskinen, Tommi T

“…Titan's atmosphere is composed mainly of molecular nitrogen, methane being the principal trace gas. From the analysis of 8 solar occultations measured by the…”
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Temperature-dependent absorption cross-section measurements of 1-butene (1-C4H8) in VUV and IR by Es-sebbar, Et-touhami, Benilan, Yves, Farooq, Aamir

“…Vacuum ultraviolet (VUV) and infrared (IR) absorption cross-section measurements of 1-butene (1-C4H8; CH2=CHCH2CH3; Butylene) are reported over the temperature…”
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Heliocentric evolution of the degradation of polyoxymethylene: Application to the origin of the formaldehyde (H 2CO) extended source in Comet C/1995 O1 (Hale–Bopp) by Fray, Nicolas, Bénilan, Yves, Biver, Nicolas, Bockelée-Morvan, Dominique, Cottin, Hervé, Crovisier, Jacques, Gazeau, Marie-Claire

“…The H 2CO production rates measured in Comet C/1995 O1 (Hale–Bopp) from radio wavelength observations [Biver, N., and 22 colleagues, 2002a. Earth Moon Planets…”
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VUV-absorption cross section of CO2 at high temperatures and impact on exoplanet atmospheres by Venot, Olivia, Fray, Nicolas, Bénilan, Yves, Gazeau, Marie-Claire, Hébrard, Eric, Larcher, Gwenaelle, Schwell, Martin, Dobrijevic, Michel, Selsis, Franck

“…Ultraviolet (UV) absorption cross sections are an essential ingredient of photochemical atmosphere models. Exoplanet searches have unveiled a large population…”
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HMT production and sublimation during thermal process of cometary organic analogs. Implications for its detection with the ROSETTA instruments by Briani, Giacomo, Fray, Nicolas, Cottin, Hervé, Benilan, Yves, Gazeau, Marie-Claire, Perrier, Sebastien

“…•Synthesis of organic residues from ice photolysis and heating.•High temperature evolution of hexamethylenetetramine (HMT, C6H12N4) up to 500K.•Thermal…”
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Experimental Investigation of the Photochemical Production of Hydrocarbons in Warm Gas Giant Exoplanet Atmospheres by Fleury, Benjamin, Benilan, Yves, Venot, Olivia, Henderson, Bryana L, Swain, Mark, Gudipati, Murthy S

“…The Astrophysical Journal, 956:134 (15pp), 2023 October 20 In warm (equilibrium temperature <1000 K) gas giant exoplanet atmospheres, the observation of trace…”
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Experimental and theoretical studies on the gas/solid/gas transformation cycle in extraterrestrial environments by Cottin, Hervé, Gazeau, Marie‐Claire, Chaquin, Patrick, Raulin, François, Bénilan, Yves

“…The ubiquity of molecular material in the universe, from hydrogen to complex organic matter, is the result of intermixed physicochemical processes that have…”
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