Binary interactions determining charge-state changes of He ions in the heliosheath.
|a||α, He → He, α (double cx)||(1) A104y|
|b||α radiative recombination with e||(2)|
|c||α, H → He+, p||(3)z|
|d||α, He → He+, He+||(1) A98, B112|
|e||α, He+ → He+, α||(1) A84|
|f||He+ radiative recombination with e||(4)|
|g||He+ dielectronic recombination with e||(4)|
|h||He+, H → He, p||(1) A62|
|i||He+, He → He, He+||(1) A70|
|k||photoionization of He+||(5)|
|l||electron impact ionization of He+||(6)|
|m||stripping/cx ionization by p||(1) A48, A54|
Notes. e – electron, p – proton, α – α-particle, cx – charge exchange.
(1) A88 for energy > 5 keV, excitation and/or emission involving upper levels includes (1) B90, B96, B102, B104.
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