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Article Dans Une Revue Journal of Physics: Conference Series Année : 2014

A collision process responsible for widespread formation of H anions

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The hydride ion H is widely understood to play a major role in many processes important for physics, cosmology, astrophysics and chemistry. Here we report that H- ions can be formed by collision-induced fragmentation of molecules containing hydrogen and heavier nuclei. We observed H emission from OH+ + Ar and OH+ + acetone collisions at the energy of 7 keV. Our data reveal a process of electron-grabbing by fast hydrogen fragments emitted in hard collisions with large momentum transfer between atomic cores.
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hal-01084494 , version 1 (03-06-2021)

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Zoltán Juhász, Béla Sulik, Sándor T S Kovács, Elie Lattouf, Jimmy Rangama, et al.. A collision process responsible for widespread formation of H anions. Journal of Physics: Conference Series, 2014, XXVIII International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2013) 24–30 July 2013, Lanzhou, China, 488 (10), pp.102024. ⟨10.1088/1742-6596/488/10/102024⟩. ⟨hal-01084494⟩
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