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. Author manuscript; available in PMC: 2013 Nov 4.
Published in final edited form as: J Chem Phys. 2010 Oct 21;133(15):155104. doi: 10.1063/1.3505301

TABLE II.

Cross section σri (10−17 cm2) for electronic excitations of cytosine by electron impact at different energies E0 (eV). The energy and FWHM of the Gaussian distributions corresponding to the excitation bands are reported in Table I.

Electronic states
E0 1 3A′ 2 3A′ 2 1A′ 1 1A″ 3 1A′ 4 1A′ 5 1A′ 6 1A′ I1 I2 I3 I4
5 0.76 3.62 1.42
6 1.84 4.94 10.36 0.15 5.33
7 0.89 2.85 10.42 0.38 12.65 7.33
8 0.67 1.65 8.08 0.31 9.48 17.87 6.47 1.08
9 0.45 1.39 7.20 0.11 7.37 14.31 4.81 14.56 1.70
10 0.35 0.98 6.10 0.23 6.88 12.31 3.23 16.37 10.31 4.30
11 0.24 0.58 4.92 0.06 5.23 11.70 2.85 12.62 12.86 6.05 8.24 3.05
12 0.14 0.62 4.24 0.12 4.16 9.24 3.15 11.26 10.71 5.25 10.18 18.69
13 0.19 0.58 3.80 0.05 3.51 7.75 2.34 9.08 6.73 1.41 1.85 71.09
14 0.16 0.48 3.08 0.06 2.91 6.06 1.67 6.95 5.22 1.85 1.57 58.95
15 0.07 0.46 2.52 0 2.10 4.81 1.32 4.99 3.98 1.11 1.34 47.39
16 0.01 0.40 2.14 0.01 1.87 3.84 1.06 3.91 2.87 0.90 0.60 36.72
17 0.02 0.32 1.79 0 1.70 3.36 0.89 3.35 2.35 0.84 0.42 27.36
18 0 0.30 1.56 0 1.62 2.96 0.97 3.04 2.10 0.61 0.67 21.98