TABLE I
Pressure shifts and broadenings of lines of Xe i (mK/Torr) due to Xe and He (1 mK = 0.001 cm−1).
Line (Å) | Classification | Xenon | Helium |
---|
Shift | Broadening | Shift | Broadening |
---|
8280 | 6s[3/2]1–6p[1/2]0 | 0.2 (0.5) | 4.0 (0.6) | 0.12 (0.07) | 0.8 (0.3) |
8952 | –6p[3/2]2 | −0.1 (0.2) | 4.0 (0.1) | 0.0 (0.2) | 0.9 (0.2) |
9162 | –6p[3/2]1 | −0.5 (0.2) | ⋯ | 0.1 (0.05) | 0.5 (0.2) |
4583 | –6p′[1/2]0 | ⋯ | ⋯ | 0.7 (0.15) | ⋯ |
4734 | –6p′[3/2]2 | 0.2 (0.3) | 4 (2) | 0.1 (0.3) | ⋯ |
4916 | –6p′[3/2]1 | 0.2 (0.2) | ⋯ | 0.3 (0.3) | ⋯ |
8231 | 6s[3/2]2–6p[3/2]2 | 0.0 (0.3) | ⋜ 2 (2) | 0.18 (0.07) | 1.5 (0.3) |
8409 | –6p[3/2]1 | −0.4 (0.2) | 1.5 (0.7) | 0.04 (0.07) | 0.4 (0.2) |
8819 | –6p[5/2]3 | −0.1 (0.5) | ⋜ 2 (2) | 0.13 (0.10) | 1.5 (1) |
9047 | –6p[5/2]2 | −0.3 (0.2) | 1.0 (0.8) | 0.09 (0.03) | 0.5 (0.1) |
4501 | –6p′[1/2]1 | −0.5 (0.25) | 3 (2) | 0.60 (0.10) | 1.5 (1) |
4524 | –6p′[3/2]2 | −0.6 (0.4) | 4 (2) | 0.5 (0.4) | ⋯ |
Mean | | −0.2 | 4 | 0.3 | 1.0 |
4807 | 6s[3/2]1–7p[1/2]0 | −0.8 (0.3) | 4 (2) | 0.5 (0.15) | 2 (1) |
4830 | –7p[3/2]1 | −0.8 (1.0) | 6 (2) | 0.4 (0.25) | 2 (1) |
4843 | –7p[3/2]2 | −2.0 (0.2) | 6 (3) | 0.6 (0.3) | 2 (1) |
4923 | –7p[5/2]2 | −1.3 (0.4) | 6 (2) | 0.6 (0.2) | 1 (1) |
4624 | 6s[3/2]2–7p[3/2]2 | −1.9 (0.3) | 6 (1.5) | 0.6 (0.15) | 1 (1) |
4671 | –7p[5/2]3 | −1.6 (0.4) | 6 (2) | 0.6 (0.15) | 1.0 (0.5) |
4697 | –7p[5/2]2 | −1.7 (0.25) | 4 (2) | 0.5 (0.2) | 2 (1) |
Mean | | −1.4 | 6 | 0.5 | 1.7 |
8206 | 6s′[1/2]1–6p′[1/2]1 | −0.8 (0.1) | 3.0 (0.5) | 0.40 (0.1) | 0.9 (0.1) |
8346 | –6p′[3/2]2 | −0.4 (0.2) | 3.0 (1) | 0.33 (0.05) | 0.9 (0.2) |
Mean | | −0.6 | 3.0 | 0.36 | 0.9 |
26518* | 6p[1/2]0–5d[3/2]2 | ⋯ | ⋯ | 0.02 (0.02) | ⋯ |
39966* | 6p[1/2]1–5d[1/2]0 | 0.25 (0.3) | ⋯ | −0.08 (0.02) | ⋯ |
33676* | 6p[3/2]1–5d[5/2]2 | 0.35 (0.3) | ⋯ | −0.03 (0.02) | ⋯ |
Mean | | 0.3 | | −0.04 | |
8739 | 6p[1/2]1–6d[3/2]2 | −0.2 (0.1) | 4.0 (0.6) | 0.25 (0.05) | 1.6 (0.2) |
8862 | –6d[1/2]0 | −1.0 (0.5) | 3.5 (0.6) | 0.25 (0.1) | 1.6 (0.2) |
Mean | | 0.6 | | 0.25 | 1.6 |
6470 | 6p[1/2]1–7d[3/2]2 | −1.2 (0.2) | 6 (0.7) | 1.2 (0.3) | 4 (1.5) |
6472 | –7d[3/2]1 | −1.2 (0.6) | 5 (4) | 1.2 (0.3) | 4 (2) |
6488 | –7d[5/2]2 | −1.3 (0.3) | 6 (0.7) | 0.6 (0.2) | 5 (0.4) |
Mean | | −1.2 | 6 | 1.0 | 4.5 |
5875 | 6p[1/2]1–8d[3/2]2 | −3.5 (1) | ⋯ | 3.0 (0.3) | ⋯ |
5895 | −8d[1/2]1 | −4.0 (1) | ⋯ | 2.1 (0.2) | ⋯ |
5931 | −8d[1/2]0 | ⋯ | ⋯ | 2.9 (0.4) | ⋯ |
6499 | 6p[3/2]1–8d[5/2]2 | −1.6 (0.5) | 10 (5) | 3.0 (0.3) | ⋯ |
6318 | 6p[5/2]3–8d[7/2]4 | 0.7 (0.5) | 11 (1) | 2.6 (0.2) | 6 (0.4) |
6182 | 6p[5/2]2–8d[7/2]3 | −3.0 (0.7) | ⋯ | 3.2 (0.3) | ⋯ |
Mean | | ⋯ | ⋯ | 2.8 | ⋯ |
5825 | 6p[5/2]2–9d[7/2]3 | −6.5 (2) | ⋯ | 4.8 (0.3) | ⋯ |
5934 | 6p[5/2]3–9d[7/2]4 | −5.5 (2) | ⋯ | 4.4 (0.3) | ⋯ |
6504 | 5d[7/2]4–7f[9/2]5 | −10 (2) | 100 (10) | 1.9 (0.2) | ⋯ |
TABLE II
Ratio of Lorentzian width to pressure broadening, L/δW, as a function of the ratio of the broadening to the Doppler width, δW/G, for instrumental widths I = 0,
G, and G.
δW/G | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 1.0 |
I = 0 | 1.67 | 1.65 | 1.61 | 1.58 | 1.55 | 1.51 | 1.40 |
| 1.44 | 1.41 | 1.40 | 1.38 | 1.35 | 1.33 | 1.28 |
I = G | 1.27 | 1.26 | 1.24 | 1.23 | 1.21 | 1.20 | 1.15 |
TABLE III
Profile of the line Xe i 8280 Å. DW stands for Doppler width; W0 (obs), observed width extrapolated to 0.0 Torr; W0 (calc), calculated width at 0.0 Torr; W1 (obs), observed width at 1.0 Torr; W1 (calc), calculated width at 1.0 Torr. (The statistical uncertainties of the observed values are 0.5 mK, except for the intensity 0.2 for which they are 1.0 mK.)
Intensity/mK | 0.2 | 0.3 | 0.5 | 0.7 | 0.85 |
---|
DW | 21.5 | 18.5 | 14.0 | 10.1 | 7.3 |
W0 (obs) | 32.6 | 26.4 | 20.0 | 14.8 | 10.3 |
W0 (calc) | 33.2 | 27.0 | 20.0 | 14.0 | 9.4 |
W1 (obs) | 40.9 | 31.6 | 24.0 | 17.4 | 12.4 |
W1 (calc) | 40.3 | 33.2 | (24.0) | 16.8 | 11.2 |
TABLE IV
Broadening of lines Xe i 8280, 8231, and 8819 Å.
δW1.3(8280)*, broadening of 8280 Å at 1.3 Torr (calculated) |
δW1.3(8280), broadening of 8280 Å at 1.3 Torr (observed) |
δW0.2(8231), broadening of 8231 Å at 0.2 Torr (observed) |
δW1.3(8231), broadening of 8231 Å at 1.3 Torr (observed) |
δW0.2(8819), broadening of 8819 Å at 0.2 Torr (observed) |
δW1.3(8819), broadening of 8819 Å at 1.3 Torr (observed) |
Intensity/mK | 0.2 | 0.3 | 0.5 | 0.7 | 0.85 |
δW1.3(8280)* | 8.6 | 6.3 | 4.0 | 2.6 | 1.6 |
δW1.3(8280) | 8.3 | 5.2 | 4.0 | 2.6 | 2.1 |
δW0.2(8231) | 8.0 | 7.5 | 7.0 | 7.0 | 6.0 |
δW1.3(8231) | 3.5 | 2.3 | 1.8 | 1.5 | 0.7 |
δW0.2(8819) | 8.0 | 8.0 | 7.8 | 7.2 | 5.7 |
δW1.3(8819) | 3.5 | 2.6 | 2.1 | 1.8 | 0.9 |
The uncertainty of the observed values is 1.0 mK.
TABLE V
Pressure shifts of configurations of Xe i with respect to level 6s[3/2]1 (mK/Torr), due to xenon and helium.
Configuration | 6p | 6p′ | 5d | 6d | 7d | 8d | 9d | 7f |
Shift (xenon) | −0.2 (0.1) | −0.3 (0.3) | 0.5 (0.05) | −0.5 (0.5) | −1.0 (0.05) | | −6 (0.5) | −10 ⋯ |
Shift (helium) | 0.1 (0.1) | 0.4 (0.3) | 0.17 (0.05) | 0.25 (0.05) | 1.2 (0.4) | 2.9 (0.6) | 4.8 (0.2) | 1.9 ⋯ |