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X-Ray induced desorption and photochemistry in CO ice
/ Dupuy, R (LERMA, Ivry) ; Bertin, M (LERMA, Ivry) ; Féraud, G (LERMA, Ivry) ; Romanzin, C (LCP, Orsay) ; Putaud, T (LERMA, Ivry) ; Philippe, L (LERMA, Ivry) ; Michaut, X (LERMA, Ivry) ; Jeseck, P (LERMA, Ivry) ; Cimino, R (Frascati) ; Baglin, V (CERN) et al.
We report an investigation of X-ray induced desorption of neutrals, cations and anions from CO ice. The desorption of neutral CO, by far the most abundant, is quantified and discussed within the context of its application to astrochemistry. [...]
2021 - 15 p.
- Published in : Phys. Chem. Chem. Phys. 23 (2021) 15965-15979
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Mechanism of Indirect Photon-induced Desorption at the Water Ice Surface
/ Dupuy, R. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Bertin, M. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Féraud, G. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Michaut, X. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Marie-Jeanne, P. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Jeseck, P. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Philippe, L. (Paris U., IV ; Paris Observ. ; U. PSL ; LERMA, Ivry) ; Baglin, V. (CERN) ; Cimino, R. (LNF, Dafne Light) ; Romanzin, C. (U. Paris-Sud 11, Dept. Phys., Orsay ; U. Paris-Saclay) et al.
Electronic excitations near the surface of water ice lead to the desorption of adsorbed molecules, through a so far debated mechanism. A systematic study of photon-induced indirect desorption, revealed by the spectral dependence of the desorption (7 to 13 eV), is conducted for Ar, Kr, N2, and CO adsorbed on H2O or D2O amorphous ices. [...]
arXiv:2104.05567.-
2021
- Published in : Phys. Rev. Lett. 126 (2021) 156001
Fulltext: PDF;
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Vacuum-UV photodesorption from compact Amorphous Solid Water : photon energy, isotopic and temperature effects
/ Fillion, J.-H (U. PSL) ; Dupuy, R. (U. PSL) ; Féraud, G. (U. PSL) ; Romanzin, C. (U. Paris-Saclay) ; Philippe, L. (U. PSL) ; Putaud, T. (U. PSL) ; Baglin, V. (CERN) ; Cimino, R. (Frascati) ; Marie-Jeanne, P. (U. PSL) ; Jeseck, P. (U. PSL) et al.
Vacuum-UV (VUV) photodesorption from water-rich ice mantles coating interstellar grains is known to play an important role in the gas-to-ice ratio in star- and planet-forming regions. Quantitative photodesorption yields from water ice are crucial for astrochemical models. [...]
arXiv:2103.15435.-
2022-01-05 - 16 p.
- Published in : ACS Earth Space Chem. 6 (2022) 100-115
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Desorption of neutrals, cations, and anions from core-excited amorphous solid water
/ Dupuy, R. (LERMA, Ivry) ; Féraud, G. (LERMA, Ivry) ; Bertin, M. (LERMA, Ivry) ; Romanzin, C. (LCP, Orsay) ; Philippe, L. (LERMA, Ivry) ; Putaud, T. (LERMA, Ivry) ; Michaut, X. (LERMA, Ivry) ; Cimino, R. (Frascati) ; Baglin, V. (CERN) ; Fillion, J.-H. (LERMA, Ivry)
Core-excitation of water ice releases many different molecules and ions in the gas phase. Studying these desorbed species and the underlying mechanisms can provide useful information on the effects of X-ray irradiation in ice. [...]
arXiv:2001.07095.-
2020-02-04
- Published in : J. Chem. Phys. 152 (2020) 054711
Preprint: PDF;
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Synchrotron radiation interaction with cryosorbed layers for astrochemical investigations
/ Dupuy, R. (LERMA, Ivry) ; Bertin, M. (LERMA, Ivry) ; Féraud, G. (LERMA, Ivry) ; Michaut, X. (LERMA, Ivry) ; Putaud, T. (LERMA, Ivry) ; Philippe, L. (LERMA, Ivry) ; Jeseck, P. (LERMA, Ivry) ; Cimino, R. (Frascati) ; Baglin, V. (CERN) ; Romanzin, C. (LCP, Orsay) et al.
Photon-stimulated desorption (PSD) is a process of interest for the two seemingly unrelated topics of accelerator vacuum dynamics and astrochemistry. Here we present an approach to studying PSD of interstellar ice analogs, i.e. [...]
arXiv:1810.10392.-
2020 - 6 p.
- Published in : 10.23732/CYRCP-2020-007.147
Fulltext: PDF; Fulltext from publisher: 1107-Article Text-4748-1-10-20200918 (1) - PDF; 1107-Article Text-4748-1-10-20200918 - PDF;
In : ECLOUD’18: Proceedings of the Joint INFN-CERN-ARIES Workshop on Electron-Cloud Effects, La Biodola, Isola d'Elba, Italy, 3 - 7 Jun 2018, pp.147-152 (CERN-2020-007)
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The efficient photodesorption of nitric oxide (NO) ices
/ Dupuy, R. (LERMA, Ivry) ; Féraud, G. (LERMA, Ivry) ; Bertin, M. (LERMA, Ivry) ; Michaut, X. (LERMA, Ivry) ; Putaud, T. (LERMA, Ivry) ; Jeseck, P. (LERMA, Ivry) ; Philippe, L. (LERMA, Ivry) ; Romanzin, C. (Paris, Lab Chim. Phys.) ; Baglin, V. (CERN) ; Cimino, R. (Frascati) et al.
The study and quantification of UV photon-induced desorption of frozen
molecules furthers our understanding of the chemical evolution of cold
interstellar regions. Nitric oxide (NO) is an important intermediate species in
both gas-phase and solid-phase chemical networks. [...]
arXiv:1710.01028.-
2017-10-12 - 4 p.
- Published in : Astron. Astrophys. 606 (2017) L9
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