Table 3: Main processes and their coefficients.

Processes 𝑘 𝑖 / 𝑅 𝑛 𝑙 Process type

A r ( 3 𝑝 ) + e A r ( 4 𝑠 ) + e 𝑘 1 Exc
A r ( 3 𝑝 ) + e A r ( 4 𝑝 ) + e 𝑘 2 Exc
A r ( 4 𝑠 ) + e A r ( 4 𝑝 ) + e 𝑘 3 Exc
A r ( 4 𝑠 ) + e A r ( 3 𝑝 ) + e 𝑘 4 De-exc
A r ( 4 𝑝 ) + e A r ( 3 𝑝 ) + e 𝑘 5 De-exc
A r ( 4 𝑝 ) + e A r ( 4 𝑠 ) + e 𝑘 6 De-exc
A r ( 3 𝑝 ) + e A r + + 2 e 𝑘 7 Ion
A r ( 4 𝑠 ) + e A r + + 2 e 𝑘 8 Ion
A r ( 4 𝑝 ) + e A r + + 2 e 𝑘 9 Ion
A r + + e A r ( 3 𝑝 ) + h 𝜈 𝑅 3 𝑝 RR
A r + + e A r ( 4 𝑠 ) + h 𝜈 𝑅 4 𝑠 RR
A r + + e A r ( 4 𝑝 ) + h 𝜈 𝑅 4 𝑝 RR

Exc: electron collision excitation.
De-exc: electron collision de-excitation.
Ion: ionization.
RR: radiative recombination.