Heavy coronal ions in the heliosphere - II. Expected fluxes of energetic neutral He atoms from the heliosheath

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Table 1

Binary interactions determining charge-state changes of He ions in the heliosheath.

Sign	Reaction	Reference

a	α, He → He, α (double cx)	(1) A104^y
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.

^(y)

A104 and similars symbols denote reactions as listed in (1).

^(z)

(1) A88 for energy > 5 keV, excitation and/or emission involving upper levels includes (1) B90, B96, B102, B104.

References. (1) Barnett (1990); (2) Arnaud & Rothenflug (1985); (3) Liu et al. (2003); (4) Aldrovandi & Pequignot (1973); (5) Bochsler et al. (in prep.); (6) Janev et al. (1987).

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