1. He2++ N2→ 2He + N2+(B) 1.3 × 10-9cm3s-1(Ricard et al., 1999)
2. e + He → He + e * (Kelly and Turner, 2014)
3. e + He → He*+ e * (Kelly and Turner, 2014)
4. e + He → He++ 2e * (Kelly and Turner, 2014)
5. e + He*→ He + e 2.9 × 10-9cm3s-1(Stevefelt et al., 1982)