Table 1: Electronic states of NO*production by electron impact on NO. The second column stands for the excitation threshold for most the NO electronic states. [13]

Electronic States Threshold (eV)
X2Π -
a4Π 4.747
A2S+ 5.480
B2Π 5.642
b4S- 5.725
C2Πr 6.499
L’2Φ 6.599
D2S+ 6.607
B’2Δ 7.442
E2S+ 7.546
F2Δ 7.692
L2Π 7.757
H’2Π 7.773
H2S+ 7.773
K2Π 7.997
M2S+ 8.017
S2S+ 8.324
N2Δ 8.383
O‘2Π, O2S+ 8.430
Q2Π 8.515
T2S+ 8.674
W2Π 8.772
Z2S+ 8.860

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