Table A.1.
Photodissociation branching ratios of the channels C(3P) + O(1D), C(1D) + O(3P), and C(3P) + O(3P) for 12C16O 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) (d) | 109 564.5 | Q(1) | 30 ± 4 (b) | 22 ± 2 | 48 ± 3 |
| 50 Mb (a) | 109 568.6 | R(0) | 30 ± 3 | 22 ± 1 | 48 ± 2 |
| 109 572.3 | R(1) | 31 ± 6 | 21 ± 3 | 49 ± 4 | |
| 109 576.3 | R(2) | 26 ± 3 | 19 ± 2 | 55 ± 2 | |
| (4pσ) 1Σ+(v′ = 3) (c) | 109 484.7 | R(0) | 16.0 ± 1.5 | 11.3 ± 0.2 | 72.7 ± 1.6 |
| 50 Mb | 109 488.2 | R(1) | 15.0 ± 1.5 | 10.2 ± 0.3 | 74.9 ± 2.0 |
| 109 491.4 | R(2) | 15.3 ± 1.5 | 8.4 ± 2.3 | 76.3 ± 1.7 | |
| 109 477.4 | P(1) | 17.6 ± 0.7 | 12.0 ± 1.4 | 70.4 ± 2.1 | |
| 109 473.2 | P(2) | 18.9 ± 2.1 | .11.2 ± 0.7 | 69.9 ± 2.4 | |
| (4sσ) 1Σ+(v′ = 4) (c) | 109 452.5 | R(0) | 20.8 ± 1.0 | 32.9 ± 1.0 | 46.3 ± 1.5 |
| 50 Mb | 109 455.7 | R(1) | 18.8 ± 1.1 | 27.4 ± 1.6 | 53.8 ± 1.0 |
| 109 458.9 | R(2) | 21.6 ± 3.2 | 32.6 ± 3.0 | 45.9 ± 2.0 | |
| 109 461.5 | R(3) | 25.6 ± 2.2 | 30.4 ± 0.9 | 44.1 ± 1.5 | |
| 109 445.1 | P(1) | 21.3 ± 1.9 | 32.4 ± 0.9 | 46.3 ± 1.6 | |
| 109 440.9 | P(2) | 22.0 ± 3.7 | 32.1 ± 2.8 | 45.9 ± 2.0 | |
| (6pπ) 1Π(v′ = 0) (e) | 109 202.6 | 3.1 ± 0.1 | 2.1 ± 0.1 | 94.9 ± 0.3 | |
| 50 Mb | |||||
| (6pσ) 1Σ+(v′ = 0) (e) | 109 175.7 | R(0) | 1.6 ± 0.3 | 0.8 ± 0.1 | 97.6 ± 0.3 |
| 50 Mb | 109 178.7 | R(1) | 2.9 ± 0.2 | 1.3 ± 0.1 | 95.8 ± 0.2 |
| 109 180.9 | R(2) | 3.1 ± 0.1 | 1.6 ± 0.1 | 95.3 ± 0.1 | |
| 109 182.7 | R(3) | 3.2 ± 0.2 | 1.7 ± 0.1 | 95.1 ± 0.3 | |
| 109 184.5 | R(4) | 2.9 ± 0.2 | 1.8 ± 0.2 | 95.3 ± 0.4 | |
| 109 168.7 | P(1) | 0.2 ± 0.1 | 0.2 ± 0.1 | 99.6 ± 0.1 | |
| 109 164.2 | P(2) | 1.6 ± 0.1 | 0.8 ± 0.1 | 97.6 ± 0.1 | |
| 109 159.3 | P(3) | 2.9 ± 0.1 | 1.4 ± 0.1 | 95.7 ± 0.1 | |
| 109 153.8 | P(4) | 3.3 ± 0.2 | 2.0 ± 0.1 | 94.7 ± 0.2 | |
| 109 148.4 | P(5) | 4.2 ± 0.4 | 3.3 ± 0.3 | 92.6 ± 0.2 | |
| 109 142.6 | P(6) | 4.9 ± 0.1 | 3.7 ± 0.1 | 91.4 ± 0.2 | |
| 109 136.3 | P(7) | 6.3 ± 0.9 | 5.7 ± 0.2 | 88.0 ± 1.0 | |
| 109 130.0 | P(8) | 5.9 ± 0.2 | 6.8 ± 1.7 | 87.3 ± 1.9 | |
| (6sσ) 1Σ+(v′ = 0) (e) | 108 791.7 | R(0) | 0 | 0 | 100 |
| 50 Mb | 108 796.6 | R(1) | 0 | 0 | 100 |
| 108 801.5 | R(2) | 0 | 0 | 100 | |
| 108 807.1 | R(3) | 0 | 0 | 100 | |
| 108 814.1 | R(4) | 0 | 0 | 100 | |
| 108 783.3 | P(1) | 0 | 0 | 100 | |
| 108 780.5 | P(2) | 0 | 0 | 100 | |
| 108 777.7 | P(3) | 0 | 0 | 100 | |
| 108 774.9 | P(4) | 0 | 0 | 100 | |
| I′(5sσ) 1Σ+(v′ = 1) (e) | 108 682.1 | R(0) | 0 | 0.5 ± 0.2 | 99.5 ± 0.2 |
| 50 Mb | 108 685.6 | R(1) | 0 | 0.5 ± 0.1 | 99.5 ± 0.1 |
| 108 690.5 | R(2) | 0 | 0.5 ± 0.1 | 99.5 ± 0.1 | |
| 108 695.4 | R(3) | 0 | 0.4 ± 0.1 | 99.6 ± 0.1 | |
| 108 674.3 | P(1) | 0 | 0.7 ± 0.2 | 99.3 ± 0.2 | |
| 108 670.8 | P(2) | 0 | 0.4 ± 0.1 | 99.6 ± 0.1 | |
| 108 666.6 | P(3) | 0 | 0.5 ± 0.3 | 99.5 ± 0.3 | |
| 108 662.4 | P(4) | 0 | 0.9 ± 0.1 | 99.1 ± 0.1 | |
| Unknown state (e) | 108 723.6 | 1.6 ± 0.3 | 1.6 ± 0.1 | 96.8 ± 0.2 | |
| 50 Mb | 108 642.1 | 2.7 ± 0.6 | 3.4 ± 0.2 | 93.9 ± 0.4 | |
| 108 625.3 | 4.5 ± 0.7 | 4.9 ± 0.4 | 90.6 ± 1.2 | ||
| 108 615.5 | 1.2 ± 0.5 | 2.2 ± 0.5 | 96.6 ± 0.5 | ||
| 108 606.5 | 2.3 ± 0.2 | 2.7 ± 0.2 | 95.0 ± 0.2 | ||
| 108 598.1 | 3.7 ± 0.5 | 4.1 ± 0.2 | 92.2 ± 0.7 | ||
| C′1Σ+(v′ = 9) (e) | 108 575.2 | 8.9 ± 0.3 | 6.5 ± 0.2 | 84.6 ± 0.5 | |
| 50 Mb | |||||
| New 1Π(e) | 108 501.9 | Q | 33.6 ± 1.9 | 12.8 ± 0.4 | 53.6 ± 2.3 |
| 50 Mb | 108 505.4 | R(0) | 32.6 ± 1.2 | 10.2 ± 0.6 | 57.3 ± 1.7 |
| 108 509.6 | R(1) | 21.8 ± 0.4 | 7.5 ± 0.4 | 70.8 ± 0.1 | |
| (5dσ) 1Σ+(v′ = 0) (d) | 108 370.0 | <1 | <1 | 100 | |
| 30 Mb | 108 373.5 | <1 | <1 | 100 | |
| 108 378.8 | <1 | <1 | 100 | ||
| W(3sσ) 1Π(v′ = 3) (c) | 108 012.4 | Q(1) | 4.0 ± 0.6 | 6.4 ± 0.3 | 89.6 ± 0.5 |
| 30 Mb | 108 016.4 | R(0) | 4.2 ± 0.3 | 6.3 ± 0.4 | 89.5 ± 0.5 |
| 108 019.3 | R(1) | 3.8 ± 0.3 | 6.2 ± 0.3 | 90.0 ± 0.3 | |
| 108 021.9 | R(2) | 3.6 ± 0.3 | 6.0 ± 0.2 | 90.4 ± 0.6 | |
Notes.
Photoionization cross section values of C(1D) that are used for calibrating the measured photodissociation branching ratios, see the first paragraph in Sect. 3 for detail.
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 detail.
The branching ratios are from Gao et al. (2011).
The branching ratios are from Gao et al. (2012).
The branching ratios are from Chi et al. (2020a).
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