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Investigating the CO trimer geometry using Coulomb imaging technique

X Fléchard 1 A Méry 2, 3 B Gervais 2, 4 S Guillous 2, 3 V Kumar 2, 3 J Matsumoto 5 J Rangamma 2, 3 F Ropars 2 H Shiromaru 5 A Cassimi 2, 3 
3 AMA - Atomes, Molécules et Agrégats
CIMAP - UMR 6252 - Centre de recherche sur les Ions, les MAtériaux et la Photonique
4 SIMUL - Simulation
CIMAP - UMR 6252 - Centre de recherche sur les Ions, les MAtériaux et la Photonique
Abstract : The Coulombic explosion of multi-charged (CO)3q+ molecular ions produced in low energy collisions with Ar9+ projectiles was investigated using recoil ion momentum spectrometry (RIMS). A preliminary analysis of the data clearly shows a dominant triangular cyclic structure. Events that may correspond to a linear chain are also observed, but the latter could as well originate from false coincidences, associated to the fragmentation of dimers. A careful analysis of this source of background is proposed to disentangle trimer fragmentation events from false coincidences.
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Submitted on : Thursday, June 2, 2022 - 3:46:45 PM
Last modification on : Tuesday, August 2, 2022 - 4:25:59 AM
Long-term archiving on: : Saturday, September 3, 2022 - 7:47:11 PM

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X Fléchard, A Méry, B Gervais, S Guillous, V Kumar, et al.. Investigating the CO trimer geometry using Coulomb imaging technique. Journal of Physics: Conference Series, IOP Publishing, 2020, 1412, pp.132047. ⟨10.1088/1742-6596/1412/13/132047⟩. ⟨hal-03345630⟩

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