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Final-state-resolved mutual neutralization ...
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Document type :
Article dans une revue scientifique
DOI :
10.1103/PhysRevA.106.012812
Title :
Final-state-resolved mutual neutralization in I<sup>+</sup> - I<sup>−</sup> collisions
Author(s) :
Poline, Mathias [Auteur correspondant]
Department of Physics [Stockholm]
Yuan, Xiang [Auteur]
Physico-Chimie Moléculaire Théorique [PCMT]
Badin, Sylvain [Auteur]
Laboratoire de Chimie Physique - Matière et Rayonnement [LCPMR]
Physico-Chimie Moléculaire Théorique [PCMT]
Ji, Mingchao [Auteur]
Department of Physics [Stockholm]
Rosén, Stefan [Auteur]
Department of Physics [Stockholm]
Indrajith, Suvasthika [Auteur]
Department of Physics [Stockholm]
Thomas, Richard [Auteur]
Department of Physics [Stockholm]
Schmidt, Henning [Auteur]
Department of Physics [Stockholm]
Zettergren, Henning [Auteur]
Department of Physics [Stockholm]
Severo Pereira Gomes, Andre [Auteur] refId
Physico-Chimie Moléculaire Théorique [PCMT]
Sisourat, Nicolas [Auteur correspondant]
Laboratoire de Chimie Physique - Matière et Rayonnement [LCPMR]
Journal title :
Physical Review A
Pages :
012812
Publisher :
American Physical Society
Publication date :
2022-07-18
ISSN :
2469-9926
HAL domain(s) :
Chimie/Chimie théorique et/ou physique
English abstract : [en]
We have studied the mutual neutralization reaction of atomic iodine ions (i.e., I<sup>+</sup>+I<sup>−</sup>→I+I) in a cryogenic double electrostatic ion-beam storage-ring apparatus. Our results show that the reaction forms ...
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We have studied the mutual neutralization reaction of atomic iodine ions (i.e., I<sup>+</sup>+I<sup>−</sup>→I+I) in a cryogenic double electrostatic ion-beam storage-ring apparatus. Our results show that the reaction forms iodine atoms either in the ground-state configuration (I(5p<sup>5</sup> <sup>2</sup>P<sup>0</sup>), ∼40%) or with one atom in an electronically excited state (I(6s<sup>2</sup> [2]), ∼60%), with no significant variation over the branching ratios in the studied collision-energy range (0.1–0.8 eV). We estimate the total charge-transfer cross section to be of the order of 10<sup>-13</sup>cm<sup>2</sup> at 0.1 eV collision energy. Ab initio relativistic electronic structure calculations of the potential-energy curves of I<sub>2</sub> suggest that the reaction takes place at short internuclear distances. The results are discussed in view of their importance for applications in electric thrusters.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
ANR Project :
Physiques et Chimie de l'Environnement Atmosphérique
ULNE
Collections :
  • Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523
Source :
Harvested from HAL
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