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Table 1.

Photodissociation branching ratios of the channels C(3P) + O(1D), C(1D) + O(3P), and C(3P) + O(3P) for 13C16O in the region from 107 800 to 109 700 cm−1 (91.16–92.76 nm).

Upper state VUV (cm−1) Rotational transition C(3P) + O(1D) (%) C(1D) + O(3P) (%) C(3P) + O(3P) (%)
(4pπ) 1Π(v′ = 3) 109 609.6 Q 4.1 ± 0.2 (b) 2.1 ± 0.1 93.7 ± 0.3
50 Mb (a)

(5pπ) 1Π(v′ = 1) 109 434.8 R(0) 12.4 ± 0.2 0.6 ± 0.1 87.0 ± 0.3
50 Mb 109 438.7 R(1) 11.5 ± 0.3 0.6 ± 0.1 87.9 ± 0.3
109 442.5 R(2) 8.9 ± 0.1 0.6 ± 0.1 90.5 ± 0.1
109 447.1 R(3) 9.4 ± 0.5 0.5 ± 0.1 90.1 ± 0.5
109 451.7 R(4) 16.2 ± 0.2 0.8 ± 0.1 82.9 ± 0.3
109 431 Q 10.2 ± 0.2 0.6 ± 0.1 89.2 ± 0.1
109 427.9 P(1) 10.1 ± 0.2 1.5 ± 0.2 88.4 ± 0.4

(4pσ) 1Σ+(v′ = 3) 109 351.6 0.1 ± 0.2 0.1 ± 0.1 99.7 ± 0.2
(4sσ) 1Σ+(v′ = 4) 109 328.9 0.1 ± 0.1 0.1 ± 0.1 99.8 ± 0.1
50 Mb 109 295.6 0.2 ± 0.1 0.2 ± 0.1 99.6 ± 0.1

(6pπ) 1Π(v′ = 0) 109 203.0 4.7 ± 0.9 1.5 ± 0.3 93.8 ± 0.6
50 Mb

(6pσ) 1Σ+(v′ = 0) 109 171.7 3.2 ± 0.1 1.8 ± 0.1 95.0 ± 0.1
50 Mb 109 166.4 1.4 ± 0.1 0.7 ± 0.1 97.9 ± 0.1
109 155.3 2.9 ± 0.3 1.6 ± 0.1 95.6 ± 0.4

1Π(v′ = 2) 108 906.9 R(0) 11.4 ± 0.5 39.5 ± 0.4 49.0 ± 0.4
50 Mb 108 910.5 R(1)/R(2) 10.4 ± 0.6 39.4 ± 0.8 50.2 ± 0.7
108 902.5 Q(1) 11.1 ± 0.3 39.3 ± 0.6 49.6 ± 0.4
108 901.1 Q(2) 11.3 ± 0.2 40.2 ± 0.3 48.4 ± 0.2
108 899.6 Q(3) 12.0 ± 0.2 40.0 ± 0.2 48.0 ± 0.1
108 896.7 P(2)/Q(4) 12.3 ± 0.4 40.0 ± 0.3 47.8 ± 0.2
108 893.1 Q(5) 11.3 ± 0.5 40.4 ± 1.0 48.3 ± 1.2
108 890.9 P(3) 11.3 ± 0.3 39.4 ± 0.9 49.3 ± 1.1
108 885.1 P(4) 11.7 ± 0.3 40.2 ± 1.7 48.1 ± 1.7
108 879.3 P(5) 10.5 ± 0.5 37.9 ± 1.4 51.6 ± 1.9
108 871.4 P(6) 10.7 ± 0.9 36.2 ± 1.9 53.1 ± 2.4

(6sσ) 1Σ+(v′ = 0) 108 799.3 R(0) 1.9 ± 0.1 4.9 ± 0.4 93.2 ± 0.3
50 Mb 108 803.6 R(1) 0.8 ± 0.1 2.6 ± 0.2 96.7 ± 0.3
108 808.7 R(2) 1.0 ± 0.2 2.4 ± 0.2 96.6 ± 0.5
108 813.7 R(3) 1.5 ± 0.3 1.9 ± 0.1 96.6 ± 0.4
108 818.7 R(4) 3.1 ± 0.7 2.8 ± 0.5 94.0 ± 0.9
108 791.4 P(1) 1.1 ± 0.1 2.5 ± 0.4 96.3 ± 0.5
108 788.6 P(2) 0.6 ± 0.1 1.3 ± 0.2 98.1 ± 0.2
108 785.7 P(3) 0.7 ± 0.1 1.2 ± 0.2 98.0 ± 0.1
108 783.6 P(4) 0.7 ± 0.2 1.5 ± 0.2 97.7 ± 0.3

New 1Π 108 465.1 Q 23.4 ± 0.5 11.3 ± 0.1 65.3 ± 0.5
50 Mb 108 469.3 R(0) 26.5 ± 0.2 11.0 ± 0.3 62.4 ± 0.2
108 472.8 R(1) 20.5 ± 0.6 9.4 ± 0.3 70.1 ± 0.9
108 475.1 R(2) 18.1 ± 0.5 9.0 ± 0.1 72.9 ± 0.6

C′1Σ+(v′ = 9) 108 420.2 R(0)/R(1)/R(2) 51.2 ± 0.3 14.0 ± 0.2 34.8 ± 0.2
50 Mb 108 416.1 R(3) 49.4 ± 0.8 13.4 ± 0.5 37.2 ± 1.3
108 413.4 P(1) 48.5 ± 0.9 12.7 ± 0.3 38.8 ± 1.2
108 408.5 P(2) 45.0 ± 0.7 11.8 ± 0.5 43.2 ± 0.5
108 402.3 P(3) 41.2 ± 1.0 12.0 ± 0.3 46.9 ± 1.3
108 392.7 P(4) 34.0 ± 0.9 10.3 ± 0.4 55.7 ± 1.3

(5dσ) 1Σ+(v′ = 0) 108 361.2 R 0.3 ± 0.1 0.3 ± 0.1 99.4 ± 0.1
13C16O 108 359.1 R 0.2 ± 0.1 0.3 ± 0.2 99.5 ± 0.2
30 Mb 108 357.0 R 0.2 ± 0.1 0.3 ± 0.2 99.5 ± 0.1
108 355.0 R 0.2 ± 0.1 0.4 ± 0.1 99.4 ± 0.1
108 346.8 P 0.2 ± 0.1 0.2 ± 0.1 99.4 ± 0.1
108 342.7 P 0.2 ± 0.2 0.2 ± 0.1 99.6 ± 0.2
108 340.0 P 0.3 ± 0.1 0.3 ± 0.1 99.4 ± 0.1

(5dσ) 1Σ+(v′ = 0) 108 309.9 R(0) 0.2 ± 0.1 0.3 ± 0.1 99.5 ± 0.1
13C18O 108 313.3 R(1) 0.5 ± 0.2 0.4 ± 0.1 99.1 ± 0.2
30 Mb 108 316.7 R(2) 0.3 ± 0.1 0.3 ± 0.1 99.4 ± 0.1
108 319.5 R(3) 0.4 ± 0.2 0.5 ± 0.1 99.1 ± 0.2
108 322.9 R(4) 0.6 ± 0.2 0.5 ± 0.1 99.0 ± 0.1
108 303.1 P(1) 0.2 ± 0.1 0.2 ± 0.1 99.6 ± 0.1
108 299.7 P(2) 0.3 ± 0.1 0.4 ± 0.1 99.4 ± 0.1
108 296.3 P(3) 0.8 ± 0.1 0.7 ± 0.3 98.5 ± 0.1
108 292.2 P(4) 1.0 ± 0.2 0.4 ± 0.2 98.6 ± 0.1

W(3sσ) 1Π(v′ = 3) 107 847.2 R(0) 2.6 ± 0.2 2.4 ± 0.1 94.9 ± 0.2
30 Mb 107 849.9 R(1) 1.8 ± 0.1 1.9 ± 0.3 96.3 ± 0.3
107 852.0 R(2) 1.6 ± 0.1 1.4 ± 0.1 96.9 ± 0.1
107 843.7 Q(1) 2.7 ± 0.1 2.6 ± 0.1 94.7 ± 0.1
107 843.1 Q(2) 3.0 ± 0.2 2.6 ± 0.1 94.4 ± 0.2
107 841.6 Q(3) 3.2 ± 0.2 2.5 ± 0.1 94.3 ± 0.2
107 840.1 Q(4) 3.0 ± 0.1 2.5 ± 0.2 94.5 ± 0.3
107 837.7 P(2)/Q(5) 2.9 ± 0.3 2.3 ± 0.1 94.8 ± 0.2
107 835.0 Q(6) 2.8 ± 0.1 2.4 ± 0.1 94.8 ± 0.2
107 832.6 P(3)/Q(7) 2.2 ± 0.1 2.0 ± 0.1 95.9 ± 0.1
107 828.5 P(4)/Q(8) 1.6 ± 0.3 1.7 ± 0.2 96.6 ± 0.5

Notes.

(a)

Photoionization cross section values of C(1D) used for calibrating the measured photodissociation branching ratios; see the first paragraph in Sect. 3 for detail.

(b)

The error bars are the standard deviations (1σ) of three independent measurements, which do not include any possible systematic experimental uncertainties; see the second paragraph in Sect. 3 for details.

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