131BA    131LA EC DECAY                1979EN06                  06NDS    200612
131BA  H TYP=FUL$AUT=YU. KHAZOV, I. MITROPOLSKY, A. RODIONOV$
131BA2 H CIT=NDS 107, 2715 (2006)$CUT=17-Jul-2006$
131BA c  1979En06: {+131}La |e decay (59 min) [from (p,X) reaction with various
131BA2c  targets, E=660 MeV]; measured |g, |g|g coin, ce, deduced levels, J|p.
131BA3c  Mass-separator, synchrocyclotron, Ge(Li), Si(Li) detectors
131BA c  1972Ha41: {+131}La |e decay [from {+133}Cs(|a,6n) reaction, E=80 MeV];
131BA2c  measured Ece, Ice, deduced levels, |g-multipolarities, J|p. Chemical
131BA3c  separation, permanent-magnet, semi-focusing spectrograph with 0.5 keV
131BA4c  FWHM at 150 keV
131BA c  1960Cr01: {+131}La |e decay [from {+130}Ba(d,n) reaction, E=11.5 MeV];
131BA2c  measured |b{++}, ce, |g, |g|g coin, T{-1/2}, deduced levels, |b{++}
131BA3c  branching (3 branches, only). Chemical separation, magnetic lens,
131BA4c  scintillation spectrometers
131BA c  Others: 1983AbZX, 1980VyZZ, 1991Bo34
131BA cE TI$Level populations (%) by |e+|b{++} decay were computed (by
131BA2cE evaluators) using the total intensities of |g's
131BA cG $|a(K)exp of 1979En06 is normalized to |a(K)(108|g)=0.681 (by
131BA2cG evaluators)
131BA cG E,RI      From 1980VyZZ, 1979En06
131BA cG M,MR      From ce data of 1972Ha41, 1979En06, and 1983AbZX
131BA cG E(A)      From 1983AbZX, I|g not given
131BA cG RI(B)     I|g(177|g)/I|g(285|g)=0.0122 {I12},
131BA2cG I|g(209|g)/I|g(316|g)=0.288 {I15}, and I|g(526|g)/I|g(418|g)=0.486
131BA3cG {I15} are discrepant with 0.39 {I6}, 0.62, and 0.0066 {I10} from
131BAxcG ({+13}C,4n|g), ({+12}C,3n|g)
131BA cL           The decay scheme is that of 1979En06 and based on
131BA2cL coincidence data and energy sums
131BA cL E$From least-squares fit to E|g
131LA  P 0.0          3/2+             59 M      2               2915     28
131BA  N 0.250     7 1.0       1.0       1.0
131BA CN NR$ |S(TI OF G'S TO GS)=345 4; %EC+%|b+(to GS)=13.6 23
131BA PN                                                                     3
131BA  G 98.197    270.146   21
131BA  G 107.22    5 1.70    17 M1,E2                    1.2   4
131BAS G KC=0.84 15$LC=0.25 16$MC=0.05 4$NC+=0.013 9
131BAS G NC=0.011 8$OC=0.0016 10$PC=4.57E-5 7
131BA  G 352.07    15 0.50   23M1,E2                   0.0297 24
131BAS G KC=0.0250 25$LC=0.00370 14$MC=0.00077 4$NC+=0.000191 7
131BAS G NC=0.000165 7$OC=2.46E-5 4$PC=1.55E-6 25
131BA  G 354.32    190.61    15
131BA  G 416.21    212.2     7 M1,E2                   0.0187 22
131BAS G KC=0.0159 21$LC=0.00226 7$MC=0.000469 11$NC+=0.000117 4
131BAS G NC=0.000101 3$OC=1.51E-5 8$PC=9.9E-7 18
131BA  G 448.92    290.424   15
131BA  G 483.87    18 0.26   3
131BA  G 567.1     3  0.106  29M1,E2                   0.0083 14
131BAS G KC=0.0071 12$LC=0.00096 10$MC=0.000199 20$NC+=5.0E-5 6
131BAS G NC=4.3E-5 5$OC=6.5E-6 8$PC=4.5E-7 9
131BA  G 647.03    9 0.183   20
131BA  G 661.08    4 0.752   29
131BA  G 694.62    140.116   29
131BA  G 768.93    9 0.243   21
131BA  G 944.13    140.083   15
131BA  G 1105.93   140.103   16
131BA  G 1129.3    4 0.065   16
131BA  G 1227.74   100.095   13
131BA  G 1351.48   130.175   21
131BA  G 1355.99   170.119   20
131BA  G 1389.64   270.25    4
131BA  G 1455.05   250.088   22
131BA  G 1500.11   6 0.50    4
131BA  G 1560.41   180.101   19
131BA  G 1564.22   180.097   18
131BA  G 1570.19   200.079   17
131BA  G 1582.24   200.158   17
131BA  G 1591.05   220.086   16
131BA  G 1664.60   250.076   16
131BA  G 1717.6    5 0.15    3
131BA  G 1754.39   140.154   28
131BA  G 1771.21   270.062   20
131BA  G 1793.24   100.173   26
131BA  G 1844.94   21 0.110  28
131BA  G 1849.80   210.105   26
131BA  G 1947.22   120.167   34
131BA  G 2164.2    5 0.14    8
131BA  G 2172.3    5 0.14    5
131BA  G 2206.9    4 0.097   27
131BA  G 2215.51   150.096   21
131BA  G 2238.60   250.063   14
131BA  G 2263.9    4 0.031   9
131BA  L 0.0           1/2+            11.50 D   6
131BA cL T$from 1991Bo34
131BA  E 2961      45   4.8  9    7.5  15  6.26   9              13.6     24
131BAS E EAV=851 13$CK=0.522 10$CL=0.0712 13$CM+=0.0198 4
131BA cE E         from E|b+=1939 {I45} (1960Cr01)
131BA  L 108.077    53/2+              0.35 NS   5
131BA cL T         from |gce(t) (1979An06)
131BA  E                3.8  4    7.2  7   6.25   5              11.2     10
131BAS E EAV=802 13$CK=0.559 10$CL=0.0762 14$CM+=0.0212 4
131BA  G 108.081   5 100.0   18M1+E2     0.127   14    0.802                 C
131BA CG ECC$K:L1:L2:L3:M=745 80:100 10:11 2:4.2 8:26 3 (1972HA41)
131BAS G KC=0.681 10$LC=0.0957 18$MC=0.0198 4$NC+=0.00496 9
131BAS G NC=0.00427 8$OC=0.000646 12$PC=4.46E-5 7
131BA  L 285.251    5 3/2+
131BA  E                1.9  1    5.1  3   6.34   4               7.0     4
131BAS E EAV=722 13$CK=0.619 10$CL=0.0846 14$CM+=0.0236 4
131BA  G 177.186   160.61    6  M1,E2                    0.23  3             C
131BAF G FLAG=B
131BAS G KC=0.184 14$LC=0.036 14$MC=0.008 3$NC+=0.0019 7
131BAS G NC=0.0016 6$OC=0.00023 8$PC=1.07E-5 6
131BA  G 285.246   7 49.6    11M1,E2                   0.0542 14             C
131BA2 G EKC=0.042 4
131BAF G FLAG=B
131BAS G KC=0.0453 24$LC=0.0071 9$MC=0.00149 21$NC+=0.00037 5
131BAS G NC=0.00032 4$OC=4.7E-5 5$PC=2.8E-6 4
131BA  L 316.585    7 5/2+
131BA  E               0.54  5   1.54  14  6.85   5               2.08    19
131BAS E EAV=708 13$CK=0.630 10$CL=0.0860 13$CM+=0.0240 4
131BA  G 208.509   8 12.1    3 M1,E2                   0.139  11             C
131BA2 G EKC=0.107 7
131BAF G FLAG=B
131BAS G KC=0.113 4$LC=0.020 6$MC=0.0043 13$NC+=0.0010 3
131BAS G NC=0.0009 3$OC=0.00013 4$PC=6.7E-6 5
131BA  G 316.575   143.49    15E2                      0.0381                C
131BAF G FLAG=B
131BA CG $ELC=0.0059 22 (calculated by evaluators from 1980VyZZ)
131BAS G KC=0.0312 5$LC=0.00552 8$MC=0.001163 17$NC+=0.000284 4
131BAS G NC=0.000247 4$OC=3.56E-5 5$PC=1.781E-6 25
131BA  L 365.164    51/2+
131BA  E                5.1  3   15.9  6   5.82   3             21.1       7
131BAS E EAV=686 13$CK=0.646 10$CL=0.0883 13$CM+=0.0246 4
131BA  G 79.918    7 3.21    6 M1+E2     0.21    2     1.98   4              C
131BA CG ECC$K:L1:L2:L3:M=62 9:10 2:1.9 3:1.2 3:2.6 4 (1972HA41)
131BAS G KC=1.635 24$LC=0.272 12$MC=0.0571 25$NC+=0.0141 6
131BAS G NC=0.0122 6$OC=0.00180 7$PC=0.0001058 15
131BA  G 257.087   9 13.71   27M1,E2                   0.0736 13             C
131BA3 G EKC=0.057 6
131BAS G KC=0.0611 17$LC=0.0100 18$MC=0.0021 4$NC+=0.00051 9
131BAS G NC=0.00044 8$OC=6.5E-5 10$PC=3.7E-6 4
131BA  G 365.162   8 67.7    13M1                      0.0291                C
131BA2 G EKC=0.025 3$ K/L=8.0 4
131BAS G KC=0.0250 4$LC=0.00325 5$MC=0.000670 10$NC+=0.0001683 24
131BAS G NC=0.0001445 21$OC=2.22E-5 4$PC=1.630E-6 23
131BA  L 525.850    6 (3/2)+
131BA  E                5.4  3   24.6  8   5.58   3             30.0      9
131BAS E EAV=615 13$CK=0.697 9$CL=0.0954 12$CM+=0.0266 4
131BA  G 160.687   7 7.21    20M1(+E2)   0.4     LT    0.268  8              C
131BA2 G EKC=0.214 20$ K/L=7.3 8
131BAS G KC=0.226 5$LC=0.033 3$MC=0.0068 7$NC+=0.00169 16
131BAS G NC=0.00146 14$OC=0.000220 18$PC=1.461E-5 22
131BA  G 209.269   271.28    13M1,E2                   0.137  11             C
131BAa G EKC=0.110 8
131BAS G KC=0.112 4$LC=0.020 6$MC=0.0042 13$NC+=0.0010 3
131BAS G NC=0.0009 3$OC=0.00013 4$PC=6.6E-6 5
131BA  G 240.593   7 5.50    14M1(+E2)   0.2     LT    0.0870                C
131BA2 G EKC=0.073 6$ K/L=8.7 12
131BAS G KC=0.0745 11$LC=0.00992 17$MC=0.00205 4$NC+=0.000514 9
131BAS G NC=0.000441 8$OC=6.74E-5 11$PC=4.87E-6 7
131BA  G 417.783   1571.8    16M1,E2                   0.0185 22             C
131BAF G FLAG=B
131BAS G KC=0.0157 21$LC=0.00224 7$MC=0.000464 11$NC+=0.000115 4
131BAS G NC=0.000100 3$OC=1.49E-5 8$PC=9.8E-7 18
131BA  G 525.851   1634.9    7 M1,E2                   0.0101 16
131BAF G FLAG=B
131BAS G KC=0.0086 14$LC=0.00118 11$MC=0.000244 21$NC+=6.1E-5 6
131BAS G NC=5.2E-5 5$OC=7.9E-6 9$PC=5.4E-7 11
131BA  L 542.87     8 7/2+
131BA  E               0.007 7   0.03  3    8.4   5             0.04      4
131BAS E EAV=607 13$CK=0.702 9$CL=0.0961 12$CM+=0.0268 4
131BA  G  226.3                                                                ?
131BAF G FLAG=A
131BA  G 434.83    8 0.30    9 E2                      0.01461               C
131BAS G KC=0.01220 17$LC=0.00192 3$MC=0.000400 6$NC+=9.86E-5 14
131BAS G NC=8.53E-5 12$OC=1.256E-5 18$PC=7.24E-7 11
131BA  L 561.720   14 3/2+,5/2+
131BA  E               1.21  8   5.94  20  6.18   3             7.14      23
131BAS E EAV=599 13$CK=0.707 9$CL=0.0969 12$CM+=0.0270 4
131BA  G 245.10    3 1.25    20M1,E2                   0.085  3              C
131BA3 G EKC=0.069 8
131BAS G KC=0.0702 13$LC=0.0117 24$MC=0.0024 6$NC+=0.00060 12
131BAS G NC=0.00052 11$OC=7.6E-5 13$PC=4.2E-6 5
131BA  G 276.4     3 0.12    6
131BA  G 453.659   1523.5    5 M1,E2                   0.0149 20             C
131BA3 G EKC=0.0159 9
131BAS G KC=0.0126 19$LC=0.00177 10$MC=0.000367 18$NC+=9.1E-5 6
131BAS G NC=7.9E-5 5$OC=1.19E-5 9$PC=7.9E-7 15
131BA  G 561.785   164.40    10M1,E2                   0.0085 14               ?
131BA3 G EKC=0.0078 20
131BAS G KC=0.0073 13$LC=0.00099 11$MC=0.000204 20$NC+=5.1E-5 6
131BAS G NC=4.4E-5 5$OC=6.6E-6 8$PC=4.6E-7 9
131BA cG E$the level energy difference is equal to 561.748 {I11}
131BA  L    718.77910 3/2+,5/2+
131BA  E               0.020 5   0.15  4   7.72  11             0.17      4
131BAS E EAV=529 13$CK=0.750 8$CL=0.1030 11$CM+=0.0287 3
131BA  G 176.04    160.11    7 M1,E2                   0.23   4
131BAS G KC=0.188 15$LC=0.037 14$MC=0.008 3$NC+=0.0019 7
131BAS G NC=0.0017 7$OC=0.00024 8$PC=1.09E-5 6
131BA  G 192.929   8 0.49    9
131BA  G 718.5     3 0.060   23
131BA  L 719.494   15 1/2+,3/2+,5/2+
131BA  E               0.29  3   2.16  13  6.56   4             2.45      15
131BAS E EAV=529 13$CK=0.751 8$CL=0.1030 11$CM+=0.0287 3
131BA  G 157.82    8 0.274   18
131BA  G  176.6                                                                ?
131BAF G FLAG=A
131BA  G  193.5                                                                ?
131BAF G FLAG=A
131BA  G 402.90    4 3.5     5 M1,E2                   0.0205 23             C
131BA3 G EKC=0.016 3
131BAS G KC=0.0173 22$LC=0.00249 6$MC=0.000516 8$NC+=0.000128 3
131BAS G NC=0.0001105 22$OC=1.66E-5 7$PC=1.08E-6 19
131BA  G 434.33    102.61    10M1(+E2)   0.64    LE    0.0181 7              C
131BA CG $EKC=0.0232 25 (recalculated by evaluators)$ EKC=0.058 {I15}
131BA2cG in 1979En06 apparently, is a misprint
131BAS G KC=0.0155 6$LC=0.00206 4$MC=0.000424 7$NC+=0.0001064 20
131BAS G NC=9.14E-5 17$OC=1.40E-5 3$PC=1.00E-6 5
131BA  G 611.407   183.11    9 M1,E2                   0.0069 12             C
131BAS G KC=0.0059 11$LC=0.00079 10$MC=0.000163 19$NC+=4.1E-5 5
131BAS G NC=3.5E-5 4$OC=5.3E-6 7$PC=3.7E-7 8
131BA  G 719.53    4 0.690   24M1,E2                   0.0046 8
131BA3 G EKC=0.0045 14
131BAS G KC=0.0040 7$LC=0.00052 7$MC=0.000108 15$NC+=2.7E-5 4
131BAS G NC=2.3E-5 4$OC=3.5E-6 6$PC=2.5E-7 5
131BA  L 879.333   17 1/2+,3/2+,5/2+
131BA  E               0.203 20  2.51  10  6.43   3              2.79     11
131BAS E EAV=458 13$CK=0.787 6$CL=0.1082 9$CM+=0.03017 24
131BA  G 159.90    9 0.31    6
131BA  G  336.4                                                                ?
131BAF G FLAG=A
131BA  G 353.479   243.76    26M1,E2                   0.0294 24             C
131BA3 G EKC=0.026 3
131BAS G KC=0.0248 25$LC=0.00366 13$MC=0.00076 4$NC+=0.000189 6
131BAS G NC=0.000163 6$OC=2.43E-5 4$PC=1.53E-6 24
131BA  G 594.080   225.75    15M1,E2                   0.0074 12             C
131BAS G KC=0.0063 11$LC=0.00085 10$MC=0.000176 19$NC+=4.4E-5 5
131BAS G NC=3.8E-5 5$OC=5.7E-6 8$PC=4.0E-7 8
131BA  G 771.19    230.18    5
131BA  G 879.20    4 0.704   25                                                ?
131BA cG E$the level energy difference is equal to 879.315 {I16}
131BA  L     949.94 3  3/2+,5/2+
131BA  E               0.026 3   0.40  2   7.19   3              0.43     2
131BAS E EAV=427 13$CK=0.800 5$CL=0.1101 8$CM+=0.03072 21
131BA  G  230.4                                                                ?
131BAF G FLAG=A
131BA  G 584.81    5 0.263   28M1,E2                   0.0077 13
131BAS G KC=0.0066 12$LC=0.00089 10$MC=0.000183 20$NC+=4.6E-5 6
131BAS G NC=3.9E-5 5$OC=6.0E-6 8$PC=4.2E-7 9
131BA  G 664.63    5 0.595   23
131BA  G 841.86    4 0.94    3 M1,E2                   0.0032 6
131BA3 G EKC=0.0025 6
131BAS G KC=0.0027 5$LC=0.00036 5$MC=7.3E-5 11$NC+=1.8E-5 3
131BAS G NC=1.58E-5 23$OC=2.4E-6 4$PC=1.7E-7 4
131BA  L    974.21115 3/2+,5/2+
131BA  E               0.090 10  1.56  6   6.59   3             1.64      6
131BAS E EAV=417 13$CK=0.804 5$CL=0.1107 7$CM+=0.03089 20
131BA  G  94.9                                                                 ?
131BAF G FLAG=A
131BA  G  254.7                                                                ?
131BAF G FLAG=A
131BA  G 413.30    230.94    18M1,E2                   0.0191 22               ?
131BAF G FL=561.720
131BA3 G EKC=0.013 4
131BAS G KC=0.0162 21$LC=0.00231 7$MC=0.000479 10$NC+=0.000119 4
131BAS G NC=0.000103 3$OC=1.54E-5 8$PC=1.01E-6 18
131BA cG E$the level energy difference is equal to 412.463 {I18}
131BA  G  431.3                                                                ?
131BAF G FLAG=A
131BA  G 657.630   231.022   27M1,E2                   0.0058 10             C
131BA3 G EKC=0.0066 14
131BAS G KC=0.0049 9$LC=0.00066 9$MC=0.000135 17$NC+=3.4E-5 5
131BAS G NC=2.9E-5 4$OC=4.4E-6 6$PC=3.1E-7 7
131BA  G 866.138   264.19    11M1,E2                   0.0030 5
131BA3 G EKC=0.0029 16
131BAS G KC=0.0026 5$LC=0.00033 5$MC=6.8E-5 10$NC+=1.72E-5 25
131BAS G NC=1.47E-5 22$OC=2.3E-6 4$PC=1.6E-7 3
131BA  G 974.204   262.56    6 M1,E2                   0.0023 4
131BA3 G EKC=0.0025 3
131BAS G KC=0.0020 4$LC=0.00025 4$MC=5.2E-5 8$NC+=1.30E-5 19
131BAS G NC=1.12E-5 16$OC=1.7E-6 3$PC=1.24E-7 23
131BA  L   1154.26224 1/2+,3/2+,5/2+
131BA  E              0.0062 9   0.23  1   7.33   3             0.24      1
131BAS E EAV=338 13$CK=0.828 3$CL=0.1144 5$CM+=0.03193 14
131BA  G  204.3                                                                ?
131BAF G FLAG=A
131BA  G 628.402   240.655   20 M1
131BA3 G EKC=0.0071 8
131BAS G CC=0.00765$KC=0.00654 20$LC=0.00083 3
131BA  G 837.86    110.172   30
131BA  G 1154.23   200.128   20
131BA  L    1243.96 7 1/2,3/2,5/2(+)
131BA  E              0.0026 5   0.16  1   7.45   4             0.16      1
131BAS E EAV=298 13$CK=0.8357 22$CL=0.1158 4$CM+=0.03231 11
131BA  G  524.4                                                                ?
131BAF G FLAG=A
131BA  G 927.40    130.129   16
131BA  G 958.89    140.101   22
131BA  G 1135.85   120.320   17
131BA  G 1243.72   160.083   18
131BA  L 1291.63    5 1/2,3/2,5/2(+)
131BA  E              0.0048 10  0.39  3   7.04   4             0.38      3
131BAS E EAV=278 13$CK=0.8390 19$CL=0.1163 4$CM+=0.03248 10
131BA  G 317.50    6 1.10    10
131BA  G 729.19    270.032   19                                                ?
131BA cG E$the level energy difference is equal to 729.86 {I5}
131BA  G 1291.54   6 0.408   21
131BA  L 1475.50   12  1/2+
131BA  E              0.0003913  0.13  2   7.41   7             0.13      2
131BAS E EAV=197 13$CK=0.8461 7$CL=0.11793 19$CM+=0.03295 6
131BA  G  231.8                                                                ?
131BAF G FLAG=A
131BA  G 1158.0    5 0.052   15                                                ?
131BA cG E$the level energy difference is equal to 1159.09 {I10}
131BA  G 1367.47   120.26    4
131BA  G 1475.98   150.18    5
131BA cG E$1476.22 {I13} in 1980VyZZ
131BA  L 1494.65    4 1/2,3/2,5/2(+)
131BA  E              0.0011 4   0.46  3   6.85   4             0.46      3
131BAS E EAV=189 13$CK=0.8465 6$CL=0.11806 18$CM+=0.03299 6
131BA  G  544.7                                                                ?
131BAF G FLAG=A
131BA  G 933.03    8 0.175   28
131BA  G 969.72    300.129   21                                                ?
131BA cG E$the level energy difference is equal to 968.81 {I4}
131BA  G 1178.03   4 1.17    6
131BA  G 1209.45   150.111   26
131BA  G 1386.05   280.21    4
131BA  G 1494.65   8 0.267   26
131BA  L    1981.8213 1/2,3/2,5/2
131BA  E                         0.091 13  7.17   7             0.091     13
131BAS E CK=0.8454 3$CL=0.12077 23$CM+=0.03386 8
131BA  G 1420.7    5 0.08    4
131BA  G 1696.56   220.141   18
131BA  G 1873.65   170.142   21
131BA  L 2064.81   11 1/2,3/2,5/2(+)
131BA  E                         0.16  4   6.84  12             0.16      4
131BAS E CK=0.8444 4$CL=0.1215 3$CM+=0.03409 9
131BA  G  570.3                                                                ?
131BAF G FLAG=A
131BA  G 1699.60   150.35    15
131BA  G 1779.40   260.060   17
131BA  G 1957.16   130.183   21                                                ?
131BA cG E$the level energy difference is equal to 1956.91 {I9}
131BA  G 2064.94   200.035   10
131BA  L 2163.16    8 1/2,3/2,5/2
131BA  E                         0.098 10  6.94   6             0.098     10
131BAS E CK=0.8430 5$CL=0.1225 4$CM+=0.03444 12
131BA  G 1212.85   220.09    3
131BA  G 1443.66   110.201   14
131BA  G 1601.53   170.031   8
131BA  G 2055.24   220.069   14
131BA  L    2195.2310 1/2,3/2,5/2(+)
131BA  E                         0.089 13  6.95   8             0.089     13
131BAS E CK=0.8425 6$CL=0.1229 4$CM+=0.03457 13
131BA  G 700.38    150.108   22
131BA  G 1315.80   170.033   13
131BA  G 2087.44   200.15    4
131BA  G 2195.58   300.065   20
131BA  L    2271.17 9 1/2,3/2,5/2(+)
131BA  E                         0.101 10  6.79   7             0.101     10
131BAS E CK=0.8410 7$CL=0.1241 5$CM+=0.03495 17
131BA  G 1296.81   170.098   14
131BA  G 1906.40   240.092   26
131BA  G 1954.48   150.148   19
131BA  G 2271.23   200.066   12
131BA  L 2385.11    9 1/2,3/2,5/2
131BA  E                         0.184 16  6.35   7             0.184     16
131BAS E CK=0.8378 11$CL=0.1264 8$CM+=0.0357 3
131BA  G 1823.41   100.57    5
131BA  G 1859.08   210.072   27
131BA  G 2067.6    4 0.015   5                                                 ?
131BA cG E$the level energy difference is equal to 2068.56 {I9}
131BA  G 2100.30   230.080   18                                                ?
131BA cG E$the level energy difference is equal to 2099.90 {I0}