TABLE I
Comparison of line isotope shifts for 234 U i .
Linea Isotope shift (mK) Difference (mK) Intensityb Literature This work 5915.387 −335.5c −337.4 1.9 4.1 5780.591 325.7d 325.9 −0.2 0.46 5164.139 205.6d 205.6 0.0 0.12 5063.758 −340.1d −340.0 −0.1 0.10 5027.384 −489.2d −489.0 −0.2 0.71 5011.410 −438.2d −437.6 −0.6 0.08 4928.447 −570e −579.2 9.2 0.14 4910.352 287.1d 287.8 −0.7 0.10 4815.707 −566e −564.0 2.0 0.03
a Air wavelengths (Å) of
238 U lines.
b Relative intensity from FTS spectra.
c Molecular beam measurement from Ref.
11 . A Fabry-Perot measurement from Ref.
9 gave −337 ± 2 mK for this line.
d Fabry-Perot measurement from Ref.
10 .
e Grating spectrograph measurement from Ref.
7 .
TABLE II
Odd-level isotope shifts of U i a
Level (cm−1 ) Config Term J Isotope shiftb Diffc Linesd 235 U234 U0.000 f 3 ds 2 5 L 6 0 0.0 0 27 620.323 f 3 ds 2 5 K 5 0 6.1 −6 36 3 800.829 f 3 ds 2 5 L 7 10 15.3 −3 32 3 868.486 f 3 ds 2 5 H 3 5 14.0 −7 38 4 275.707 f 3 ds 2 5 K 6 25 29.9 0 45 4 453.419 f 3 ds 2 5 I 4 0 6.9 −6 42 5 762.078 f 3 ds 2 5 I 5 25 32.4 −2 51 5 988.061 f 3 ds 2 3 P 0 0* 33.7 −33 4 5 991.313 f 3 ds 2 3 H 4 20 28.9 −4 34 6 249.029 f 3 d 2 s 7 M 6 −565 −651.2 −23 60 7 005.532 f 3 ds 2 3 K 6 10 6.4 5 51 7 103.921 f 3 ds 2 5 G 3 15 28.3 −10 39 7 191.682 f 3 ds 2 5 G 2 40 39.9 7 27 7 326.118 f 3 ds 2 5 K 7 −20 −20.5 −3 40 7 645.645 f 3 ds 2 5 L 8 25 36.1 −6 34 7 864.204 f 3 ds 2 5 I 5 10 29.7 −17 38 8 118.632 f 3 d 2 s 7 M 7 −525 −609.8 −17 59 8 133.291 f 3 ds 2 5 H 4 15 45.8 −27 38 8 856.992 f 3 ds 2 5 G 2 0 41.1 −41 16 8 878.547 f 3 ds 2 5 H 3 −30 −22.5 −13 29 10 069.176 f 3 ds 2 3 L 7 −50 −52.6 −7 43 10 081.030 f 3 d 2 s 7 L 5 −590 −671.8 −32 45 10 103.438 f 3 ds 2 5 D 1 25 58.1 −28 2 10 208.488 f 3 d 2 s 7 K 4 −380 −445.1 −8 39 10 254.999 f 3 ds 2 3 H 5 45 56.9 −3 27 10 288.617 f 3 ds 2 3 I 6 0 44.6 −44 26 10 347.344 f 3 d 2 s 7 M 8 −300 −357.5 0 34 10 540.266 f 3 ds 2 5 F 3 50 47.0 12 14 10 557.038 f 3 ds 2 5 G 4 −95 −124.2 10 33 10 685.787 f 3 ds 2 5 K 8 −205 −221.8 −23 34 10 708.603 f 3 ds 2 3 F 2 −100* 75.4 −194 3 10 819.935 f 3 d 2 s 7 I 3 −520 −590.1 −30 25 10 987.587 f 3 ds 2 5 I 6 20 33.9 −10 21 11 290.267 f 3 ds 2 5 I 5 60 58.9 12 21 11 308.153 f 3 ds 2 5 L 9 15 53.9 −35 24 11 403.464 f 3 ds 2 7 H 4 −70 −71.6 −11 23 11 457.312 f 3 d 2 s 7 L 6 −570 −657.1 −23 37 11 558.696 f 3 d 2 s 7 I 4 −270 −305.4 −16 32 11 633.163 f 3 d 2 s 7 K 5 −570 −657.1 −23 35 11 677.037 f 3 ds 2 5 H 7 25 38.6 −8 20 11 788.926 f 3 ds 2 5 G 3 −285* 64.4 −404 7 11 943.944 f 3 ds 2 5 G 3 55* 42.4 23 6 11 968.650 f 3 ds 2 5 H 5 50 62.2 −2 15 11 973.586 f 3 ds 2 5 G 2 85.9 4 12 107.542 f 3 ds 2 5 F 1 −170* 29.8 −232 1 12 362.448 f 3 ds 2 3 G 4 −240 −256.5 −30 17 12 627.560 f 3 ds 2 7 H 4 25 43.5 −13 7 12 826.316 f 3 d 2 s 5 M 7 −540 −632.7 −12 23 12 884.798 f 3 ds 2 5 D 4 30 50.0 −14 3 12 910.507 f 3 ds 2 3 H 6 −15* 0.2 −18 12 13 127.925 f 3 d 2 s 7 M 9 −485 −550.7 −28 23 13 149.733 f 3 ds 2 5 G 2 −588.3 3 13 346.910 f 3 d 2 s 7 L 7 −380 −408.1 −45 26 13 361.397 f 3 ds 2 6 −220* −226.5 −36 23 13 402.537 f 3 d 2 s 7 K 6 −280 −340.6 6 26 13 433.173 f 3 ds 2 5 H 3 −70.3 5 13 535.186 f 3 ds 2 5 K 9 0 14.2 −14 24 13 567.946 f 3 ds 2 7 −215 −260.4 3 15 13 632.065 f 3 d 2 s 7 I 5 −550* −539.6 −117 26 13 876.403 f 3 ds 2 5 0* 19.9 −19 6 13 936.705 3 76.9* 4 13 951.627 f 3 ds 2 5 F 2 −82.3* 1 14 174.348 f 3 ds 2 5 H 6 66.5 5 14 191.050 f 3 d 2 s 7 H 2 −657.1 6 14 274.370 f 3 d 2 s 7 H 4 −550* −620.6 −36 8 14 281.945 f 3 d 2 s 7 H 3 −250* −254.1* −44 5 14 344.522 5 −15* −56.6 38 3 14 411.306 f 3 d 2 s 7 K 4 −500* −648.8 51 7 14 488.035 3 −200* −247.2* 8 1 14 501.805 f 3 ds 2 3 L 8 −25 −28.0 −1 14 14 543.776 f 3 d 2 s 5 L 6 −540 −600.1 −44 21 14 562.354 5 −275* 34.6 −362 7 14 790.989 f 3 ds 2 3 I 7 60* 61.5 10 7 14 842.798 f 3 ds 2 5 I 8 61.4 15 14 845.326 f 3 ds 2 5 L 10 0 74.3 −74 13 14 970.521 f 3 d 2 s 7 H 5 −550* −658.8 2 7 15 353.798 f 3 d 2 s 7 K 7 −600* −641.4 −75 17 15 435.243 6 −105* −112.1 −13 7 15 458.492 f 3 d 2 s 7 L 8 −510* −606.2 −2 31 15 542.022 5 −374.1 7 15 560.498 3 −430* −482.7 −30 3 15 712.861 f 3 d 2 s 7 −460* −520.6 −28 11 15 778.044 4 −300* −353.2* −4 4 15 799.241 5 −30.3 3 15 804.313 6 −481.9 8 15 906.340 6 −553.2 5 15 999.879 1 −588.8 1 16 040.500 f 3 d 2 s 7 M 10 −550 −595.9 −60 16 16 047.611 4 −350* −256.6 −161 1 16 154.523 5 −779.8 2 16 244.486 f 3 d 2 s 5 M 8 −415* −693.0 197 12 16 451.765 4 −531.6* 2 16 602.345 5 −540* −613.6 −31 2 16 766.126 7 −514.7* 3 16 825.752 5 −643.0* 1 17 048.861 4 −395.5 1 17 428.301 f 3 d 2 s 7 K 8 −480* −549.8 −23 8 17 540.417 f 3 ds 2 3 K 8 −218.8* 2 17 882.936 f 3 d 2 s 7 L 9 −500* −642.1 45 11 17 928.964 7 −850.8 3 18 005.947 6 −570* −638.6 −41 1 18 068.167 7 −393.8* 1 18 256.474 7 −532.6 3 18 511.121 f 3 ds 2 3 L 9 16.1 4 18 591.225 6 −530* −693.1* 60 3 18 621.395 8 −225.5* 1 18 825.506 6 −505.7 1 18 933.486 f 3 d 2 s 7 M 11 −585* −598.8 −99 9 18 938.085 8 −394.1* 4 19 142.951 8 −455* −565.8 22 2 19 148.706 5 −328.2* 1 19 297.381 f 3 d 2 s 5 M 9 −610.8 8 19 509.520 f 3 d 2 s 7 K 9 −653.7 5 19 758.722 6 −532.9* 1 19 761.706 8 −488.7* 3 19 831.487 4 −681.8 1 19 907.079 4 −310* −350.4* −19 1 19 959.940 5 −385.2* 1 20 195.797 4 −230* −275.7 1 1 20 331.345 5 −574.9 1 20 345.095 3 −199.6 2 20 677.968 9 −975.1* 1 20 945.148 f 3 d 2 s 7 L 10 −619.5 5 20 967.290 4 −565.7 1 22 492.342 4 −655* −655.2 −126 2 22 641.083 10 −609.8 1 22 678.338 3 −495* −586.6 −4 1 22 792.372 f 4 sp 7 K 4 −665 −779.3 −14 2 23 673.434 f 3 d 2 s 7 L 11 −598.3 2 23 753.142 3 −415* −663.2 167 1 23 908.874 f 4 sp 7 I 3 −600* −690.8 −25 1 24 070.917 f 4 sp 7 K 5 −570* −661.4 −19 2 24 196.268 4 −460* −542.3 −6 1 24 267.659 3 −585* −661.6 −36 1 24 311.132 f 4 sp 4 −460* −570.9 21 1 24 401.945 5 −530* −687.8 54 3 24 433.473 7 I 4 −575* −664.1 −22 2 24 445.762 5 −465* −478.9 −76 2 24 539.157 5 −430* −530.9 17 1 24 784.732 5 −350* −427.2 9 1 24 956.762 5 −444.0 1 25 596.413 4 −310* −36.7 −333 1 26 911.987 f 4 sp 7 I 6 −650* −792.6 16 1 27 020.619 5 −530 −629.0 −3 1 27 184.224 f 4 sp 5 −590* −686.2 −18 1 27 567.879 f 4 sp 5 −630* −712.9 −39 1 27 576.161 f 2 d 2 sp 7 L 7 −170* −169.3 −33 1 27 920.942 f 3 7ds 2 5 L 6 125* 48.5 100 1 28 168.352 5 −500* −577.6 −19 1 29 187.799 f 4 sp 7 −495* −519.4 −71 1 29 374.286 5 425.7 1 29 488.351 6 −619.3 1 29 604.859 5 −210* −347.4 96 1 30 870.253 5 −253.3* 1 30 961.592 5 −440 −561.1 35 1 32 192.476 4 −385* −464.0 4 1 32 285.138 5 K 5 −545 −650.6 0 1 32 336.498 5 I 4 −330 −383.6 −10 3 32 489.182 4 −430 −487.9 −25 1 32 503.484 5 K 5 −370 −414.5 −27 2 32 532.599 4 −320* −380.8 −1 2 32 655.466 4 −540* −619.1 −25 1 32 660.627 5 −470* −630.1 68 1 32 672.510 3 −555* −639.2 −23 1 32 831.128 5 −425 −503.6 −3 1 32 857.449 f 3 ds 8s 7 L 5 −380* −426.8 −26 4 32 885.596 5 −345* −456.9 44 2 32 975.731 3 −510* −133.0* −475 1 32 994.222 5 −365 −429.4 −6 1 33 378.779 6 −130.8* 1 33 421.069 f 3 ds 8s 7 L 6 −360 −426.8 −3 3 33 444.961 4 −380* −452.6 −1 1 33 481.711 4 −415* −548.0 52 1 33 544.696 f 3 ds 8s 7 K 4 −360 −413.4 −16 3 33 584.265 6 −681.0 1 33 874.158 5 87.6 1 34 086.723 5 −445 −529.0 −2 1 34 160.569 f 4 dp 7 M 6 −770 −923.2 3 1 34 599.667 7 −450* −695.2 157 1 34 612.889 5 −25.5 1 34 659.215 f 3 ds 8s 7 L 7 −505 −586.0 −16 4 35 123.856 6 −425 −454.9* −52 1 35 223.304 f 3 ds 8s 5 L 6 −500 10.5* −607 1
a Level value, configuration, term,
J , and
235 U isotope shifts taken from Ref.
14 with minor corrections from Ref.
15 .
b Isotope shifts are in units of mK (10
−3 cm
−1 ) and are the differences between the
238 U energy level and the corresponding lighter U isotope energy level. An asterisk (
* ) following the
235 U shift denotes either a probable error of at least 0.1 cm
−1 or the use of only one transition to derive the shift. An asterisk (
* ) following the
234 U shift denotes a probable error of 0.01 cm
−1 or more.
c This difference is defined by 1.194IS(
235 U) − IS(
234 U).
d This is the number of line isotope shifts used in obtaining the
234 U level isotope shift.
TABLE III
Even-level isotope shifts of U i .a
Level (cm−1 ) Config Term J Isotope shiftb Diffc Linesd 235 U234 U7 020.710 f 4 s 2 5 I 4 −310 −355.3 −14 24 10 051.314 f 4 s 2 5 I 5 −295 −353.9 1 6 11 502.624 f 2 d 2 s 2 5 L 6 450 524.8 12 4 11 613.977 f 2 d 2 s 2 5 K 5 170 209.3 −6 2 12 035.632 f 2 d 2 s 2 5 I 4 300 361.2 −2 3 12 643.378 f 4 s 2 5 I 6 −265 −330.0 13 3 13 463.392 f 3 s 2 p 5 K 5 100 112.8 6 5 13 710.331 f 3 s 2 p 5 I 4 310 371.0 0 3 13 825.400 5 H 4 −133.4 3 14 643.867 f 3 dsp 7 M 6 −380 −459.6 5 7 14 839.736 f 4 ds 7 L 5 −380 −443.5 −10 7 14 911.841 f 4 s 2 5 G 2 −66.3 1 15 007.579 f 4 s 2 5 G 3 −98.4 1 15 631.855 f 2 d 2 s 2 5 L 7 300 347.6 10 5 15 638.367 f 2 d 2 s 2 5 L 6 190 204.1 22 10 15 720.682 f 3 dsp 7 L 5 −210 −266.5 15 12 15 732.203 f 2 d 2 s 2 5 G 2 320 406.5 −24 1 15 831.130 f 2 d 2 s 2 5 H 3 390 462.7 2 2 16 121.933 f 3 dsp 7 K 4 −155 −155.2 −29 8 16 195.360 f 4 ds 7 L 6 −325 −374.6 −13 7 16 294.017 f 2 d 2 s 2 5 I 5 360 412.3 17 7 16 505.773 f 3 s 2 p 5 K 6 190 212.1 14 9 16 900.387 f 3 dsp 7 M 7 −280 −337.9 3 10 16 929.760 f 3 dsp 7 K 5 45 50.6 3 14 17 070.469 5 L 6 −55 −89.7 24 14 17 154.806 f 3 dsp 7 I 3 −350 −465.9 48 4 17 361.895 f 3 dsp 7 L 6 −160 −197.6 6 11 17 369.550 f 2 d 2 s 2 5 I 5 280 330.0 4 10 17 468.213 f 2 d 2 s 2 5 H 4 240 289.2 −2 10 17 559.322 5 0 10.2* −10 4 17 893.878 4 10 17.6 −5 5 17 908.172 f 3 s 2 p 5 I 5 110 136.3 −4 9 17 968.723 f 3 s 2 p 5 H 3 100 123.0 −3 11 18 185.999 4 40 51.7* −3 3 18 253.870 f 4 s 2 3 K 6 −65 −89.5 11 8 18 260.466 5 G 2 45 71.3 −17 6 18 295.780 f 4 ds 7 L 7 −270 −341.9 19 6 18 299.500 4 100 116.0 3 6 18 383.245 4 −190 −225.3 −1 3 18 406.522 f 3 dsp 7 K 5 −220 −272.8 10 13 18 517.784 1 328.5 2 18 530.851 3 −15 −42.5 24 5 18 607.798 4 −145 −168.1 −5 4 18 749.844 3 300 338.0 20 5 18 759.179 6 140 159.6 7 7 18 794.831 4 −45 −46.4 −7 2 18 839.262 f 2 d 2 s 2 5 K 7 160 205.1 −14 4 18 932.767 f 3 dsp 7 L 5 −250 −293.3 −5 13 19 115.468 3 25 103.7 −73 3 19 119.780 2 240 284.6 2 4 19 127.212 f 2 d 2 s 2 5 I 4 210 261.1 −10 6 19 192.403 f 4 ds 7 K 4 −380 −469.0 15 8 19 307.744 2 H 2 −286.1 2 19 471.861 f 2 d 2 s 2 5 H 5 290 336.6 9 4 19 489.041 f 2 d 2 s 2 5 L 8 250 236.0 62 4 19 552.520 f 3 dsp 7 K 4 −90 −101.0 −6 11 19 647.507 f 3 dsp 7 L 7 −240 −277.9 −8 7 19 668.424 3 0 −52.8 52 3 19 783.336 6 −35 −46.6 4 6 19 826.672 6 −20 −26.2 2 8 19 828.486 2 185* 227.5 −6 3 19 864.520 3 −250* 139.3 −437 4 19 885.515 f 3 dsp 5 M 7 −410 −488.2 −1 8 20 046.007 1 505.7 1 20 058.633 2 −155.6 3 20 114.300 f 3 dsp 7 K 5 −250 −323.5 24 13 20 148.031 f 4 ds 7 K 5 −560 −678.9 10 6 20 218.830 6 −390 −465.9 0 10 20 258.144 3 −50* −40.5 −19 3 20 306.860 4 190 219.6 7 3 20 311.554 5 −210 −269.1 18 4 20 391.512 3 −145 −157.7 −15 3 20 420.517 f 2 d 2 s 2 5 I 6 150 176.8 2 12 20 452.805 2 80 118.5 −22 2 20 464.525 7 −235 −326.2 45 14 20 525.394 5 −360 −407.9 −21 4 20 528.898 f 3 dsp 7 M 8 −185 −181.8 −39 7 20 569.228 4 −355 −432.8 8 13 20 621.298 5 −140 −196.9 29 3 20 651.208 2 −335 −408.6 8 1 20 661.514 7 L 6 −500 −599.5 2 5 20 712.181 8 −435 −458.4 −61 3 20 719.038 4 280 302.6 31 2 20 727.602 3 D 1 365.2 2 20 766.506 f 3 s 2 p 5 K 7 25 23.9 5 8 20 805.796 f 4 s 2 3 G 3 −250 −274.7 −23 3 20 851.579 5 −95 −115.3 1 3 20 943.428 7 K 6 −295 −356.4 4 12 21 005.750 3 −110* −135.1 3 1 21 062.347 3 65 91.3 −13 5 21 078.730 5 −120 −122.8 −20 4 21 185.800 4 −120 −164.8 21 3 21 232.883 2 −75 −84.3 −5 3 21 265.094 7 K 6 5 7.5 −1 17 21 329.993 5 30 36.9 −1 9 21 407.865 7 I 3 −300* −447.6 89 6 21 409.973 f 3 dsp 7 L 8 −185 −199.3 −21 4 21 426.485 7 L 7 −25 −38.5 8 13 21 448.962 4 −60 −79.9 8 3 21 536.080 5 35 64.3 −22 10 21 536.849 3 −100 −110.3 −9 4 21 545.147 4 −225 −287.2 18 8 21 584.695 6 −340 −405.9 0 10 21 636.957 5 −350 −418.4 0 13 21 753.045 4 −170 −192.1 −10 7 21 766.530 6 −425 −504.2 −3 11 21 767.971 f 3 dsp 5 L 7 −345 −430.7 18 14 21 830.367 3 −100 −108.1 −11 8 21 849.503 2 180* 220.5 −5 3 21 940.641 3 −95* −146.8 33 4 21 958.192 5 80 104.9 −9 8 21 976.029 4 0 23.4 −23 11 21 980.112 5 75 91.1 −1 6 21 993.148 6 −125 −141.8 −7 2 22 038.034 4 −240 −270.9 −15 9 22 052.277 5 M 8 −285* 371.5 −711 3 22 056.302 6 −380 −428.5 −25 6 22 112.085 2 −25* −15.6* −14 1 22 174.057 1 13.7* 2 22 189.244 3 −35* −81.9 40 3 22 234.791 2 107.5 1 22 283.424 4 0* 99.3 −99 4 22 311.809 5 K 6 −95 −116.0 2 4 22 368.467 7 −170 −202.9 0 9 22 377.764 5 −220 −244.9 −17 11 22 383.463 4 −110 −136.1 4 6 22 409.648 3 −160 −161.7 −29 6 22 421.762 5 −195 −223.8 −9 7 22 464.293 6 −190 −225.1 −1 7 22 574.900 2 −125* −124.7 −24 2 22 582.654 6 −280 −320.9 −13 10 22 584.593 4 −80 −86.6 −8 10 22 599.925 1 −205* −200.7 −44 1 22 624.338 3 −210* −238.6 −12 2 22 633.158 7 −120 −168.7 25 9 22 634.142 4 −180 −234.2 19 6 22 691.500 3 −88.9* 2 22 700.436 4 −300 −366.2 8 3 22 752.429 2 30 55.4* −19 4 22 754.061 6 −200 −243.4 4 8 22 786.606 5 55 84.8 −19 3 22 789.789 f 3 dsp 7 L 8 −410 −515.9 26 9 22 854.911 3 I 5 −400 −457.6 −20 5 22 862.451 6 −320 −385.9 3 5 22 891.708 3 0 12.5 −12 7 22 908.806 2 −69.2 2 22 918.555 f 3 dsp 5 L 7 −230 −271.8 −2 8 22 940.652 2 −225 −247.4 −21 1 22 964.552 f 3 dsp 7 L 9 −400* −397.6 −80 2 23 051.165 4 −270 −309.3 −13 11 23 057.676 7 −80 −83.3 −12 11 23 069.723 6 145 164.7 8 4 23 082.333 4 0* −6.1 6 4 23 114.746 3 −380.6 1 23 165.648 3 −130 −147.5 −7 5 23 186.939 4 −185 −219.0 −1 6 23 197.009 7 −170 −195.7 −7 7 23 212.079 2 −100 −52.4 −67 2 23 212.495 5 −430 −506.4 −7 5 23 272.526 3 −235 −279.9 0 5 23 295.569 2 −106.5 2 23 325.189 5 −250 −313.0 14 13 23 364.790 1 0* 29.2* −29 2 23 375.463 4 −160 −184.6 −6 4 23 378.740 f 2 d 2 s 2 2 75* 94.6* −5 1 23 430.175 4 −500 −574.0 −23 3 23 432.795 5 −315 −364.1 −11 11 23 464.169 3 −265 −299.9 −16 5 23 486.695 5 −460 −521.9 −27 7 23 534.416 5 −300 −343.8 −14, 6 23 543.508 7 −280 −326.8 −7 9 23 560.634 4 −370 −434.2 −7 8 23 572.086 6 −410 −467.9 −21 10 23 708.642 2 −100* −21.6 −97 2 23 715.292 6 −265 −307.6 −8 10 23 734.734 4 −200 −227.8 −11 5 23 755.597 2 −70 −110.2 26 3 23 779.257 f 2 d 2 s 2 5 I 7 170 169.5 33 9 23 825.363 4 −170 −190.1 −12 6 23 841.978 5 H 4 30* 47.0 −11 8 23 843.737 f 3 dsp 7 M 9 −220 −273.2 10 5 23 848.625 7 −290 −337.8 −8 14 23 873.260 3 40 55.5 −7 4 23 911.088 1 −134.8 2 23 926.784 8 −335 −376.6 −23 8 23 932.850 5 −170 −188.2 −14 6 23 972.581 4 −300 −329.7 −28 6 23 987.532 2 −163.4 2 24 002.443 8 −235 −268.9 −11 7 24 022.065 3 −220 −219.4 −43 5 24 026.205 6 −130 −144.3 −10 4 24 066.566 7 −425 −498.5 −8 8 24 082.372 5 −85 −99.2 −2 3 24 118.264 3 −190 −218.7 −8 2 24 154.367 2 −115* −157.9 20 4 24 172.369 6 −135 −158.7 −2 5 24 185.803 7 −375 −434.2 −13 6 24 195.719 4 −140 −169.7 2 2 24 207.054 3 −110 −114.4 −16 6 24 220.650 5 0 19.1 −19 9 24 263.118 4 −170 −172.6 −30 5 24 322.938 6 −30 −49.9 14 2 24 331.767 2 −75 −85.6 −3 2 24 333.793 7 −350 −409.7 −8 6 24 400.662 3 −25 −34.9 5 4 24 433.260 6 −190 −226.2 0 5 24 448.034 5 −230 −264.6 −10 3 24 449.391 4 −160 −178.5 −12 1 24 451.765 f 2 d 2 s 2 5 K 8 0 41.8 −41 7 24 517.311 f 2 d 2 s 2 5 I 9 230 256.7 17 4 24 535.283 5 −245 −304.3 11 5 24 539.338 1 442.9 1 24 555.735 3 −140 −155.6 −11 2 24 560.410 7 −455 −547.8 4 12 24 581.201 8 −165 −200.2 3 9 24 583.216 2 −65* 13.3* −90 1 24 591.215 2 −145.7 2 24 609.534 6 −325 −357.1 −30 2 24 613.754 4 −205 −236.5 −8 5 24 650.420 5 −355 −389.9 −34 5 24 671.388 6 −370 −447.3 5 9 24 741.245 5 −275 −318.2 −10 5 24 757.269 4 −200 −228.8 −10 6 24 760.031 7 −90 −135.3 27 4 24 785.418 3 −160 −182.3 −8 1 24 884.175 7 −405 −485.2 1 4 24 892.685 3 −380 −448.9 −4 1 24 906.878 6 −340 −399.0 −6 8 24 932.895 8 −260 −284.7 −25 5 24 934.656 1 36.9* 1 24 938.866 7 −340 −393.8 −12 7 24 940.538 4 −205 −237.8 −7 1 24 966.584 3 25 60.1* −30 2 24 974.003 4 −215 −257.3 0 2 24 974.306 5 0 −15.0* 15 1 25 009.727 6 −100 −109.4 −10 2 25 017.109 4 −320 −366.3 −15 2 25 059.365 2 −10* −23.2 11 1 25 096.213 3 −180 −197.7 −17 2 25 098.633 5 −325 −392.5 4 3 25 104.981 4 −145 −146.6 −26 2 25 160.774 3 −330 −386.3 −7 1 25 178.070 5 −330 −374.4 −19 1 25 200.487 4 −290 −345.6* 0 1 25 235.745 6 −45 −49.7 −4 5 25 294.447 8 −55 −84.1 18 5 25 319.274 5 −455 −522.8 −20 6 25 348.977 6 −290 −335.9 −10 2 25 352.741 3 −240 −312.8 26 3 25 388.868 8 −242 −275.4 −13 4 25 445.702 7 −30 −35.9 0 7 25 457.377 4 −150 −141.1 −37 1 25 458.735 7 −275 −295.1 −33 3 25 462.661 6 −270 −322.7 0 4 25 476.667 2 −515.6 1 25 504.523 3 −120 −130.7* −12 1 25 533.048 3 −225 −253.7 −14 2 25 534.202 5 −360 −421.8 −8 1 25 555.656 2 −110 −130.1 −1 1 25 577.725 4 −435 −517.1 −2 2 25 580.751 6 −150 −165.9 −13 5 25 626.665 f 3 dsp 7 L 9 −370 −517.2 75 5 25 655.316 4 −395 −456.6 −15 1 25 662.918 6 −120 −143.4 0 3 25 672.465 7 −355 −433.1 9 5 25 729.860 3 −360 −412.9 −16 2 25 745.248 5 −215 −243.9 −12 5 25 788.090 4 −360 −426.3 −3 4 25 789.031 8 −30 −65.2 29 8 25 791.600 6 −360 −426.6 −3 3 25 793.883 3 −220 −239.8 −22 3 25 805.845 5 −455 −529.7 −13 6 25 810.650 3 −1005.7 1 25 825.565 6 −285 −325.8 −14 2 25 906.148 5 −235 −237.6 −42 3 25 910.366 4 −200 −220.5 −18 2 25 918.137 8 −420 −477.6 −23 6 25 938.232 6 −280 −322.5 −11 5 25 975.742 4 −265 −294.1 −22 5 25 999.590 3 D 1 −107.8 2 26 066.702 5 −255 −298.2 −6 5 26 103.662 6 −40 −56.8 9 4 26 125.621 4 −120 52.7* −195 2 26 167.645 5 10 −61.2 73 3 26 192.421 8 −400* −459.2 −18 4 26 208.803 7 −495 −577.8 −13 3 26 213.114 f 3 dsp 5 M 9 −230* −337.2 62 1 26 225.569 6 −220 −255.1 −7 6 26 227.888 1 −280* −279.4 −54 2 26 241.797 3 −270* −252.4 −69 2 26 269.774 2 −392.5 1 26 274.863 7 −335 −400.8 0 10 26 287.629 6 −375 −454.6 6 3 26 290.876 5 −160 −191.1 0 2 26 305.116 5 −205 −240.0 −4 4 26 313.293 8 −500 −593.8 −3 5 26 319.306 3 −100* −114.4 −4 2 26 324.748 5 −375 −424.8 −22 2 26 349.039 4 −260 −284.9 −25 3 26 349.087 6 −200 −232.2 −6 2 26 352.186 2 −435* −516.4 −2 1 26 386.297 1 −335* −339.1 −60 1 26 391.268 7 20 97.9* −74 1 26 410.589 4 10 24.4* −12 1 26 444.994 5 −10 38.5* −50 1 26 454.103 8 −360 −428.9 0 7 26 491.301 4 −55* −83.3* 17 1 26 550.427 6 −80 −100.4 4 5 26 562.335 4 −40 −388.5 340 1 26 566.919 6 −305 −361.8 −2 3 26 583.465 5 −355 −433.7 9 2 26 608.482 7 −310 −364.2 −5 10 26 631.413 5 −275 −308.1 −20 1 26 645.611 7 −90 −79.2* −28 1 26 650.643 4 −300 −348.8 −9 1 26 652.111 8 −230 −229.5 −45 6 26 679.592 1 −335* −343.9 −56 1 26 705.807 3 −135 −145.3 −15 3 26 715.475 8 −590 −653.7 −50 4 26 758.885 7 −370 −406.5 −35 7 26 759.704 9 −390 −453.9 −11 6 26 759.857 5 −265 −301.7 −14 4 26 760.368 4 −270 −517.6 195 1 26 781.101 3 −280 −298.1* −36 1 26 786.183 2 −350* −390.8 −27 1 26 791.657 6 −200 −235.7 −3 3 26 855.452 3 −135 −140.8* −20 1 26 892.500 6 −495 −547.9 −43 4 26 920.722 5 −335 −380.0 −19 3 26 962.265 4 −220 −257.0 −5 1 26 964.046 5 −270 −296.4 −26 1 26 971.784 7 −255 −282.3 −22 5 26 979.283 8 −495 −583.0 −8 5 26 983.946 5 −165 −206.1 9 2 26 997.373 4 −240 −285.6 0 1 27 031.372 5 −170* −190.6 −12 2 27 035.450 7 −335 −345.0 −54 2 27 060.831 4 −125 −129.0* −20 1 27 072.387 6 −400 −477.3 0 4 27 086.422 8 −245 −267.8 −24 6 27 133.945 4 −255 −312.9 8 2 27 148.053 6 −355 −425.0 1 4 27 150.534 8 −475 −510.7 −56 1 27 184.160 4 −250 11.9* −310 1 27 219.698 3 −315 −376.9 0 1 27 252.130 4 −210 −269.9 19 2 27 261.553 6 −395 −433;0 −38 1 27 267.277 5 −290 −340.1 −6 2 27 323.337 9 −390* −497.2 31 5 27 324.524 7 −415 −479.3 −16 2 27 349.653 5 −130 −150.2 −5 2 27 366.642 6 −130 −160.2 5 4 27 370.065 4 −190 −221.2 −5 2 27 394.836 5 −325 −376.9 −11 3 27 443.319 5 −355 −416.0 −7 1 27 469.165 2 −305* −344.1 −20 1 27 475.518 7 −255 −292.5 −11 2 27 477.553 8 −345 −401.6 −10 4 27 492.797 4 −275 −308.4 −19 3 27 499.537 6 −30 −68.8 33 2 27 548.211 4 −300 −353.1 −5 2 27 600.893 7 −55 −88.8 23 2 27 605.771 6 −315 −359.1 −16 3 27 609.886 f 3 dsp 7 M 10 −400 −459.2 −18 1 27 633.436 5 −115 −119.2* −18 1 27 650.648 6 −150 −183.9 4 2 27 691.725 3 −260 −292.7* −17 1 27 729.228 5 −130 −153.9 −1 2 27 743.944 6 −275 −342.6 14 1 27 749.300 2 −400* −438.6* −38 1 27 753.133 4 −415 −472.8 −22 1 27 778.006 7 −225 −253.2 −15 1 27 805.485 4 −45* −68.5 14 1 27 818.492 8 −335 −373.3 −26 6 27 829.925 4 −300 −327.1 −31 2 27 885.688 3 −375 −434.9 −12 1 27 886.992 f 3 d 2 p 7 N 7 −580 −696.4 3 1 27 890.727 4 0 −10.1* 10 1 27 965.923 7 −290 −339.7 −6 5 27 966.879 4 −285 −354.1* 13 1 27 969.711 9 −460 −483.0 −66 6 27 972.849 5 −200 −261.3 22 4 27 991.759 2 −200 −843.1 604 1 28 053.057 6 −375 −444.4 −3 4 28 067.646 5 −25 −72.0 42 1 28 098.908 6 −215 −318.1 61 1 28 107.598 8 145 −576.1* 749 1 28 114.819 5 −260 −291.8 −18 2 28 118.841 7 −530 −624.4 −8 2 28 129.753 4 −330 −364.3 −29 1 28 152.652 7 −350 −407.9 −10 3 28 184.949 9 −665 −671.0 −123 3 28 188.353 6 −295 −354.3* 2 1 28 228.197 3 −315 −346.1 −30 2 28 236.075 4 −220 −241.4 −21 1 28 262.167 5 −140 −144.3 −22 2 28 268.261 9 −165 −163.5 −33 2 28 285.783 7 −285 −329.6 −10 3 28 341.548 4 −415 −485.5 −9 1 28 342.570 6 −360 −407.5* −22 1 28 387.940 4 −200 −244.5* 5 1 28 397.018 f 2 d 2 s 2 5 L 10 310.6 1 28 435.920 7 −420 −462.8 −38 1 28 448.666 9 −315 −372.8 −3 5 28 451.069 7 M 8 −310 −370.3 0 4 28 470.178 6 −265 −296.2* −20 1 28 516.373 8 −365 −419.0 −16 4 28 543.393 4 −185 −226.4 5 1 28 566.382 7 −250 −295.6 −2 2 28 596.608 7 −275 −295.0 −33 1 28 611.395 2 −189.8 1 28 614.407 5 −165 −1128.5 931 1 28 627.427 6 −230 −267.1 −7 2 28 635.435 8 −305 −377.5 13 2 28 650.294 5 K 5 −440 −577.4* 52 1 28 669.315 6 −220 −432.1 169 1 28 739.911 f 3 d 2 p 7 N 8 −430 −487.5 −25 3 28 761.667 7 −385 −432.0 −27 4 28 784.420 9 −460 −499.3 −49 4 28 798.886 7 −365 −421.4 −14 3 28 802.184 3 −385* −320.0* −139 1 28 860.869 6 −360 −137.3 −292 1 28 874.929 6 −430 −491.4 −22 3 28 894.136 5 −220 −240.5* −22 1 28 895.590 7 −385 −438.8 −20 1 28 936.061 9 −580 −634.0 −58 5 28 943.187 f 3 dsp 7 L 10 −365 −383.0 −52 4 29 013.267 8 −165 −221.4 24 2 29 109.835 6 −200 −306.2 67 1 29 119.693 8 −365 −409.6* −26 3 29 127.972 2 −114.2 1 29 185.007 8 −245 −277.1 −15 2 29 194.284 5 L 9 −705 −805.1 −36 3 29 236.074 6 −265 −280.7 −35 1 29 236.567 7 −290 −327.9 −18 1 29 250.475 4 −550 −1343.4 686 1 29 339.311 9 −250 −281.9 −16 3 29 413.286 8 −340 −397.9 −8 5 29 429.738 5 −525* −216.3 −410 1 29 475.993 7 −510 −708.0* 99 1 29 503.217 7 −335 −623.0* 223 1 29 558.850 6 −560 −642.4* −26 1 29 604.286 7 −50 −504.6* 444 1 29 612.764 8 −350 −402.8* −15 2 29 665.370 4 −320 −386.1* 4 1 29 706.292 9 −335* −407.6 7 2 29 749.203 3 −300 −397.6 39 1 29 753.274 5 −265 −333.9 17 1 29 790.731 5 −340 −549.8* 143 1 29 790.757 7 −350 −392.8 −25 1 29 797.272 8 −350 −423.8 5 1 29 801.687 7 −370 −466.5* 24 1 29 801.906 6 −260 −603.5* 293 2 29 914.267 6 −215 −398.2 141 1 29 921.776 10 −703.1 2 29 958.084 7 −430 −488.4 −25 2 30 034.708 4 −340 71.1* −477 1 30 047.401 6 −260 −316.9 6 1 30 069.211 9 −14.9 2 30 138.118 9 −290 −315.5 −30 2 30 143.157 5 −280 −650.0 315 1 30 149.632 7 −335 −397.8 −2 1 30 153.253 8 −385 −449.1 −10 3 30 178.172 7 −420 21.4* −522 1 30 334.968 6 −375 −497.0* 49 2 30 416.562 8 −310 −440.2 70 1 30 478.248 10 −660* −487.9 −300 2 30 490.164 8 −410 −472.2 −17 1 30 504.894 7 L 7 −465 −533.9 −21 2 30 546.675 8 −410 −474.7 −14 1 30 586.672 7 −210 −234.9 −15 1 30 767.077 8 −480 −546.0 −27 1 30 832.353 9 −525 −569.1 −57 2 30 841.163 8 −375 −433.4 −14 1 30 886.484 7 −75 −295.9* 206 1 30 918.500 4 −420 23.2* −524 1 30 982.295 9 −465 −509.7 −45 5 30 986.297 8 −475 −545.7 −21 2 30 994.846 6 −475 −551.2 −15 1 31 006.021 5 L 10 −390 −499.1 33 3 31 178.759 8 −675 −792.1 −13 1 31 243.543 4 −315 −582.4* 206 1 31 270.334 f 3 d 2 p 7 N 9 −795 −923.3 −25 5 31 275.978 7 −485 −535.7* −43 1 31 321.110 10 496 −482.5 1074 1 31 442.083 5 L 9 −590 −691.8 −12 4 31 445.284 8 −370 −489.2 47 1 31 468.443 f 3 dsp 7 M 11 −470 −484.9 −76 3 31 480.237 8 −400 −268.5* −209 1 31 603.252 6 −400 −134.1 −343 1 31 690.981 5 L 8 −445 −506.3 −25 2 31 837.967 10 −685* −752.0 −65 2 31 853.689 8 −525 −572.7 −54 1 31 923.196 8 −365 −200.6 −235 1 31 955.082 4 −395 570.9 −1042 1 31 970.921 7 −405 −406.2 −77 1 32 016.715 7 −495 −568.4* −22 1 32 059.148 8 −305 −344.4 −19 2 32 098.168 f 3 d 2 p 7 M 7 −620 −1025.2 284 1 32 108.466 8 −470 −511.9 −49 1 32 175.867 4 −385* −1453.8 994 1 32 212.383 10 −695 −800.5 −29 1 32 310.312 7 −410 −499.2* 9 1 32 393.847 9 −330 −404.0 9 1 32 493.577 7 L 10 −475 −515.7 −51 1 32 615.410 2 −335 −7.6 −392 1 32 774.289 8 −490 −560.1* −24 1 32 859.386 f 3 dsp 7 L 11 −470* −488.2 −73 2 32 932.907 9 −495 −608.5* 17 1 33 031.706 8 −515 −644.1* 29 2 33 228.324 8 −567.1* 1 33 320.644 9 −500 −617.5* 20 1 33 346.459 4 −485 36.9* −615 1 33 363.659 7 −445* −517.9 −13 2 33 466.643 5 −520 −657.5* 36 1 33 470.324 9 −550* −639.8* −16 1 34 080.966 9 −555 −645.0* −17 1 35 168.081 10 −645 −698.4 −71 2
a Level value, configuration, term,
J , and
235 U isotope shifts taken from Ref.
14 with minor corrections from Ref.
15 .
b Isotope shifts are in units of mK (10
−3 cm
−1 ) and are the differences between the
238 U energy level and the corresponding lighter U isotope energy level. An asterisk (
* ) following the
235 U shift denotes either a probable error of at least 0.1 cm
−1 or the use of only one transition to derive the shift. An asterisk (
* ) following the
234 U shift denotes a probable error of 0.01 cm
−1 or more.
c This difference is defined by 1.194IS(
235 U) − IS(
234 U).
d This is the number of line isotope shifts used in obtaining the
234 U level isotope shift.