121XE 121CS EC DECAY (122 S) 1991GE02 10NDS 201006
121XE H TYP=FUL$AUT=S. OHYA$CIT=NDS 111, 1619 (2010)$CUT=20-Jan-2009$
121XE c 1991Ge02: La(p,spall) E=600 MeV, on-line ms; measured |g, |g|g,
121XE2c |g|g(t). La({+3}He,spall) E=280 MeV on-line ms; measured ce with Si
121XE3c detector with magnetic |b{++} shield, |b{++} with 4|p|b plastic scin.
121XE4c Authors proposed level scheme in the mixed decays of {+121}Cs (155 s)
121XE5c and {+121}Cs (122 s)
121XE c 1981So06: {+124}Xe(p,4n) E=52 MeV, E|g, I|g, |g|g, E|b{++}, I|b{++},
121XE2c x/|g ratio, deduced decay scheme.
121XE c 1984PaZZ: measured Q(|b{++})=5.21 MeV {I22} from shape-fitting
121XE2c procedure (a different method from F-K analysis)
121XE c 1975We23: La(p,3pxn) E=600 MeV ms; measured |g in coincidence with
121XE2c |b{++}
121XE c 1996Os04:measured Q+_ =5.40 MeV {I4} with pure Ge detectors
121XE c Decay scheme is from evaluator based on that in 1991Ge02.
121XE2c (155 s). Evaluator assumed no direct |e+|b{++} feeding from {+121}Cs |e
121XE3c decay (122 s) to the levels at 153.95 keV, 239.74 keV, 264.5 keV,
121XE4c 427.12 keV and 449.85 keV which are strongly fed from {+121}Cs 3/2(+),
121XE5c and also assumed no direct |e+|b{++} feeding to the levels at
121XE6c 179.44 keV and 196.081 keV which are strongly fed from {+121}Cs
121XE7c 9/2(+) state. See {+121}Cs |e decay (155 s).
121XE8c The decay scheme of {+121}Cs |e decay (122 s) is still tentative due to
121XE9c similarity of half-lives of g.s.(155 s) and isomeric state (122 s)
121CS P 68.5 3 9/2(+) 122 S 3 5372 18
121XE cL E E(levels) are based on a least-squares fit to E(|g's)
121XE cL J From adopted levels
121XE cG RI$Evaluator has removed the contribution from {+121}Cs |e decay
121XE2cG (155 s). Evaluator assumed no direct |e+|b{++} feeding from {+121}Cs |e
121XE3cG decay (122 s) to the levels at 153.95 keV, 239.74 keV, 264.5 keV,
121XE4cG 427.12 keV and 449.85 keV which are strongly fed from {+121}Cs 3/2(+),
121XE5cG and also assumed no direct |e+|b{++} feeding to the levels at
121XE6cG 179.44 keV and 196.081 keV which are strongly fed from {+121}Cs
121XE7cG 9/2(+) state. See {+121}Cs |e decay (155 s)
121XE cG CC Normalized to |a(K)exp=0.303 for 153.9|g (E2 theory)
121XE cG Unplaced |g's are not assigned to g.s. or
121XE2cG isomeric state
121XE N 0.0314 0.83 1.205
121XE cN NR from I(ce+|g)(68.5|g)+|SI(|g+ce) to g.s.=100
121XE cN NB from Ice((68.5|g)/(I(IT)+I(|e+|b{++}))|?0.17
121XE2cN (1991Ge02)
121XE PN 3
121XE G 59.3 5 4 1
121XE G 337.2 3 7 3
121XE G 361.7 3 6 2
121XE G 445.4 3 4 1
121XE G 646.8 3 12 3
121XE G 674.8 2 7 2
121XE G 690.5 2 8 4
121XE G 797.9 4 8 2
121XE G 841.9 4 7 2
121XE G 850.5 3 10 3
121XE G 867.2 4 6 2
121XE G 881.2 3 5 2
121XE G 891.6 3 7 2
121XE G 900.2 3 8 2
121XE G 905.4 4 4 2
121XE G 914.3 3 10 2
121XE G 922.6 3 7 4
121XE G 936.6 3 12 2
121XE G 949.2 3 8 3
121XE G 986.3 4 6 3
121XE G 1060.3 4 8 3
121XE G 1076.7 4 8 3
121XE G 1115.0 8 7 4
121XE G 1140.3 4 30 5
121XE G 1179.8 5 5 2
121XE G 1255.2 5 6 3
121XE G 1276.4 6 10 3
121XE G 1396.2 5 7 3
121XE G 1416.5 5 10 3
121XE G 1432.7 5 40 6
121XE G 1458.0 6 8 3
121XE G 1497.7 6 8 3
121XE G 1511.1 6 8 3
121XE L 0 5/2(+) 40.1 M 20
121XE L 153.9514 (1/2+) 80 NS 15
121XE cL T from |g|g(t)
121XE G 153.9 2 45 5 E2 0.397
121XES G KC=0.301 5$LC=0.0766 12$MC=0.01615 25$NC+=0.00357 6
121XES G NC=0.00323 5$OC=0.000344 6
121XE cG From K/L=3.9 {I4}
121XE cG $|a(K)(E2)=0.303 is used as calibration of |a(exp)
121XE L 179.4810 7/2(+)
121XE E 18.5 9 2.13 11 5.80 3 20.6 10
121XES E EAV=1941.8 86$CK=0.0887 10$CL=0.01175 14$CM+=0.00319 4
121XE G 179.4 2 1159 20M1 0.1606
121XES G KC=0.1381 20$LC=0.0180 3$MC=0.00366 6$NC+=0.000852 13
121XES G NC=0.000757 11$OC=9.47E-5 14
121XE cG M from |a(K)exp=0.15 {I2}, K/L=7.4 {I4}
121XE L 196.0117 7/2(-) 8 NS 2
121XE cL T from |g|g(t)
121XE E 7.8 7 0.91 8 6.16 5 8.7 8
121XES E EAV=1933.9 86$CK=0.0896 11$CL=0.01187 14$CM+=0.00322 4
121XE G 196.0 2 926 20E1 0.0325
121XES G KC=0.0281 4$LC=0.00358 6$MC=0.000723 11$NC+=0.0001662 24
121XES G NC=0.0001482 22$OC=1.80E-5 3
121XE cG M from |a(K)exp=0.030 {I3}, K/L=8.2 {I9}
121XE L 234.52247/2(-),9/2(-)
121XE E 8.7 4 1.0 1 6.10 3 9.7 5
121XES E EAV=1915.7 86$CK=0.0918 11$CL=0.01216 14$CM+=0.00330 4
121XE G 38.4 3 100 4 M1+E2 0.15 3 14.2 6
121XES G KC=11.2 3$LC=2.4 4$MC=0.50 9$NC+=0.113 18
121XES G NC=0.101 17$OC=0.0114 16
121XE cG M from |a(M)exp=0.50 {I5}
121XE G 55.1 3 3 2 [E1] 1.096 23
121XES G KC=0.930 19$LC=0.133 3$MC=0.0269 6$NC+=0.00603 13
121XES G NC=0.00541 12$OC=0.000618 13
121XE L 239.7414 (3/2+)
121XE G 85.9 3 18 3 M1 1.267 22
121XES G KC=1.087 19$LC=0.1438 25$MC=0.0292 5$NC+=0.00680 12
121XES G NC=0.00605 11$OC=0.000754 13
121XE cG M from |a(K)exp=1.2 {I2}, K/L=7 {I1}
121XE G 239.6 2 67 7 M1 0.0736
121XES G KC=0.0634 9$LC=0.00820 12$MC=0.001664 24$NC+=0.000388 6
121XES G NC=0.000344 5$OC=4.31E-5 7
121XE cG M from |a(K)exp=0.075 {I15}, K/L=7.5 {I8}
121XE L 264.5 5 (11/2-)
121XE G 30.3
121XE cG Intensity balance at 234.5 level requires the
121XE2cG existence of 30.3|g (I(|g+ce)|>4) as observed in {+112}Cd({+12}C,3n|g)
121XE3cG (evaluators)
121XE G 69 1 2 1
121XE L 414.1711 (9/2+)
121XE E 3.4 4 0.47 6 6.41 6 3.9 5
121XES E EAV=1830.6 86$CK=0.1030 13$CL=0.01365 17$CM+=0.00370 5
121XE G 234.5 2 180 10M1 0.0780
121XES G KC=0.0671 10$LC=0.00869 13$MC=0.00176 3$NC+=0.000411 6
121XES G NC=0.000365 6$OC=4.57E-5 7
121XE cG M from |a(K)exp=0.080 {I15}, K/L=8 {I1}
121XE G 414.1 2 83 5 (E2) 0.01544
121XES G KC=0.01296 19$LC=0.00198 3$MC=0.000406 6$NC+=9.28E-5 13
121XES G NC=8.30E-5 12$OC=9.81E-6 14
121XE cG M from |a(K)exp=0.012 {I3}
121XE L 427.1213(3/2+,5/2+)
121XE G 273.2 3 4 1
121XE G 427.1 2 81 6 (M1,E2) 0.0153 13
121XES G KC=0.0130 12$LC=0.00180 3$MC=0.000367 6$NC+=8.47E-5 14
121XES G NC=7.55E-5 12$OC=9.2E-6 4
121XE cG M$(M1,E2)+E0? from |a(K)exp=0.023 {I4}, K/L=6 {I2}
121XE L 449.8511(5/2+)
121XE G 210.1 2 8.4 20[E2] 0.1360
121XES G KC=0.1082 16$LC=0.0221 4$MC=0.00462 7$NC+=0.001032 15
121XES G NC=0.000929 14$OC=0.0001028 15
121XE cG M assumed E2 to deduce |a
121XE G 270.2 2 20 3 M1 0.0536
121XES G KC=0.0461 7$LC=0.00595 9$MC=0.001206 17$NC+=0.000281 4
121XES G NC=0.000250 4$OC=3.13E-5 5
121XE cG M from |a(K)exp=0.06 {I2}, K/L=9
121XE G 295.8 2 17 2 (E2) 0.0438
121XES G KC=0.0360 5$LC=0.00619 9$MC=0.001282 19$NC+=0.000290 5
121XES G NC=0.000260 4$OC=2.98E-5 5
121XE cG M from |a(K)exp=0.04 {I1}, K/L=5 {I1}
121XE G 450.1 2 3.9 20
121XE L 459.5016 (7/2+)
121XE E 13.2 7 1.87 10 5.81 3 15.1 8
121XES E EAV=1809.2 86$CK=0.1060 13$CL=0.01406 17$CM+=0.00381 5
121XE G 280.1 2 120 20M1 0.0487 @
121XES G KC=0.0420 6$LC=0.00541 8$MC=0.001096 16$NC+=0.000255 4
121XES G NC=0.000227 4$OC=2.84E-5 4
121XE G 459.7 3 460 20M1 0.01372
121XES G KC=0.01185 17$LC=0.001501 22$MC=0.000304 5$NC+=7.08E-5 10
121XES G NC=6.29E-5 9$OC=7.90E-6 12
121XE cG M from |a(K)exp=0.016 {I3}, K/L=9 {I2}
121XE L 476.1 3
121XE L 476.16 24(7/2,9/2,11/2)(-)
121XE E 1.4 3 0.20 4 6.77 9 1.6 3
121XES E EAV=1801.3 85$CK=0.1072 13$CL=0.01421 17$CM+=0.00386 5
121XE G 280.1 2 60 10M1,E2 0.0505 19 @
121XES G KC=0.0424 8$LC=0.0065 11$MC=0.00133 24$NC+=0.00030 5
121XES G NC=0.00027 5$OC=3.2E-5 4
121XE L 560.8318 (7/2+)
121XE E 2.0 3 0.30 5 6.58 8 2.3 4
121XES E EAV=1761.3 85$CK=0.1134 14$CL=0.01503 19$CM+=0.00408 5
121XE G 111.0 3 17 2 M1 0.610 10
121XES G KC=0.524 9$LC=0.0691 11$MC=0.01403 23$NC+=0.00327 6
121XES G NC=0.00290 5$OC=0.000362 6
121XE cG M from |a(K)exp=0.4 {I1}, K/L=7 {I3}
121XE G 320.9 3 100 10 [E2] 0.0337
121XES G KC=0.0279 4$LC=0.00465 7$MC=0.000960 14$NC+=0.000218 4
121XES G NC=0.000195 3$OC=2.25E-5 4
121XE G 381.2 3 25 3
121XE L 592.6 4
121XE E 0.63 10 0.099 15 7.06 7 0.73 11
121XES E EAV=1746.3 85$CK=0.1158 14$CL=0.01535 19$CM+=0.00417 5
121XE G 396.6 3 28 4
121XE L 608.3 4
121XE E 0.38 9 0.060 15 7.27 11 0.44 11
121XES E EAV=1738.9 85$CK=0.1170 15$CL=0.01552 19$CM+=0.00421 6
121XE G 412.3 3 17 4
121XE L 646.1 3
121XE E 1.12 9 0.182 16 6.78 4 1.30 11
121XES E EAV=1721.1 85$CK=0.1200 15$CL=0.01592 20$CM+=0.00432 6
121XE G 450.1 2 50 4
121XE cG This |g is placed from 449.84 level in {+121}Cs |e+|b{++}
121XE2cG decay (155 s)
121XE L 657.6 5 (13/2-)
121XE E 0.29 9 0.048 16 7.36 15 0.34 11
121XES E EAV=1715.6 85$CK=0.1210 15$CL=0.01604 20$CM+=0.00435 6
121XE G 393.2 3 6 3
121XE cG This |g is placed from 946.2 level in {+121}Cs |e+|b{++}
121XE2cG decay (155 s)
121XE G 422.9 4 7 3
121XE L 661.0 4
121XE E 0.27 7 0.044 11 7.40 12 0.31 8
121XES E EAV=1714.0 85$CK=0.1212 15$CL=0.01608 20$CM+=0.00436 6
121XE G 465.0 3 12 3
121XE L 667.7 3
121XE E 0.27 5 0.044 9 7.40 9 0.31 6
121XES E EAV=1710.9 85$CK=0.1218 15$CL=0.01615 20$CM+=0.00438 6
121XE G 471.7 2 12 2
121XE L 670.20 20 (11/2+)
121XE E 1.09 14 0.181 23 6.78 6 1.27 16
121XES E EAV=1709.7 85$CK=0.1220 15$CL=0.01618 20$CM+=0.00439 6
121XE G 255.9 2 27 3 M1 0.0618
121XES G KC=0.0532 8$LC=0.00688 10$MC=0.001394 20$NC+=0.000325 5
121XES G NC=0.000289 4$OC=3.62E-5 6
121XE cG M from |a(K)exp=0.07 {I2}, K/L>7
121XE G 491.0 3 20 5
121XE L 706.1312 (7/2+)
121XE E 3.9 3 0.67 6 6.21 4 4.6 4
121XES E EAV=1692.8 85$CK=0.1250 16$CL=0.01658 21$CM+=0.00450 6
121XE G 247.0 3 11 2(M1,E2) 0.073 6
121XES G KC=0.061 3$LC=0.0098 22$MC=0.0020 5$NC+=0.00046 10
121XES G NC=0.00041 10$OC=4.8E-5 9
121XE cG |a(K)exp=0.07 {I3}
121XE G 278.9 3 50 10 [M1] 0.0493
121XES G KC=0.0425 6$LC=0.00547 8$MC=0.001109 16$NC+=0.000258 4
121XES G NC=0.000230 4$OC=2.88E-5 5
121XE cG M assumed M1 to deduce |a
121XE G 291.7 2 10 2 [E2] 0.0458
121XES G KC=0.0376 6$LC=0.00651 10$MC=0.001348 20$NC+=0.000304 5
121XES G NC=0.000273 4$OC=3.13E-5 5
121XE cG M assumed E2 to deduce |a
121XE G 526.7 2 48 6 M1,E2
121XES G CC=0.0088 11$KC=0.0075 10$LC=0.00101 7$MC=0.000204 12$NC+=4.7E-5 3
121XES G NC=4.2E-5 3$OC=5.2E-6 5
121XE cG M from |a(K)exp=0.11 {I4}
121XE G 706.2 2 54 7
121XE L 734.5219 (7/2+,9/2+)
121XE E 2.0 3 0.36 6 6.47 8 2.4 4
121XES E EAV=1679.4 85$CK=0.1275 16$CL=0.01691 21$CM+=0.00459 6
121XE G 320.4 3 25 10(M1,E2) 0.0341 6
121XES G KC=0.0288 9$LC=0.0042 5$MC=0.00087 10$NC+=0.000199 20
121XES G NC=0.000178 19$OC=2.13E-5 14
121XE cG M$The authors deduce |a(K)exp=0.06 {I3}, K/L>6 by assuming mult
121XE2cG (320.9|g)=E2
121XE G 555.0 3 46 5
121XE G 734.5 3 20 6 @
121XE L 861.0 3
121XE E 0.35 7 0.068 13 7.17 9 0.42 8
121XES E EAV=1619.9 85$CK=0.1391 18$CL=0.01846 24$CM+=0.00501 7
121XE G 665.0 2 16 3
121XE L 881.1523
121XE E 0.37 7 0.073 13 7.14 8 0.44 8
121XES E EAV=1610.4 85$CK=0.1411 18$CL=0.01872 24$CM+=0.00508 7
121XE G 431.3 2 17 3
121XE L 897.1 4
121XE E 0.17 7 0.035 13 7.45 17 0.21 8
121XES E EAV=1602.9 85$CK=0.1427 19$CL=0.01893 25$CM+=0.00514 7
121XE G 701.1 3 8 3
121XE L 899.9323
121XE E 0.42 9 0.084 18 7.07 10 0.50 11
121XES E EAV=1601.6 85$CK=0.1430 19$CL=0.01897 25$CM+=0.00515 7
121XE G 486.1 3 6 3
121XE G 720.1 3 13 3
121XE L 910.2318
121XE E 0.67 10 0.14 2 6.86 7 0.81 12
121XES E EAV=1596.8 85$CK=0.1440 19$CL=0.01911 25$CM+=0.00519 7
121XE G 730.8 2 14 3
121XE G 910.1 3 17 3
121XE L 978.4 4
121XE E 0.21 5 0.046 11 7.32 11 0.26 6
121XES E EAV=1564.8 85$CK=0.1511 20$CL=0.0201 3$CM+=0.00544 7
121XE G 417.6 3 10 2
121XE L 998.7217
121XE E 0.94 11 0.206 24 6.66 6 1.15 13
121XES E EAV=1555.2 85$CK=0.1533 20$CL=0.0204 3$CM+=0.00552 8
121XE G 548.8 3 8 2
121XE G 571.6 2 25 4
121XE G 584.6 3 11 2
121XE L 1020.811 (11/2+)
121XE E 0.32 11 0.071 24 7.12 15 0.39 13
121XES E EAV=1544.9 85$CK=0.1558 21$CL=0.0207 3$CM+=0.00561 8
121XE G 460 1 15 5
121XE L 1149.4 4
121XE E 0.71 17 0.18 4 6.70 11 0.89 21
121XES E EAV=1484.7 85$CK=0.1710 23$CL=0.0227 3$CM+=0.00616 9
121XE G 734.5 1020 6 @
121XE G 970.0 4 14 5
121XE L 1247.1 6
121XE E 0.16 6 0.045 17 7.27 17 0.21 8
121XES E EAV=1439.0 85$CK=0.1837 25$CL=0.0244 4$CM+=0.00662 9
121XE G 686.3 5 8 3
121XE L 1261.5 4
121XE E 0.45 6 0.12 2 6.83 7 0.57 8
121XES E EAV=1432.3 84$CK=0.186 3$CL=0.0247 4$CM+=0.00670 9
121XE G 1065.5 3 22 3
121XE L 1299.5616
121XE E 1.68 16 0.48 5 6.23 5 2.16 20
121XES E EAV=1414.5 84$CK=0.191 3$CL=0.0254 4$CM+=0.00689 10
121XE G 738.4 3 26 5
121XE G 872.5 3 9 2
121XE G 885.7 3 14 2
121XE G 1103.6 4 17 3
121XE G 1120.0 4 9 3
121XE G 1299.4 5 8 2
121XE L 1343.5 3
121XE E 0.44 10 0.13 3 6.79 10 0.57 13
121XES E EAV=1394.0 84$CK=0.197 3$CL=0.0262 4$CM+=0.00712 10
121XE G 1163.9 3 15 4
121XE G 1343.7 5 7 3
121XE L 1419.7 3
121XE E 0.33 8 0.11 2 6.86 10 0.44 10
121XES E EAV=1358.5 84$CK=0.209 3$CL=0.0278 4$CM+=0.00754 11
121XE G 1005.2 3 11 3
121XE G 1240.9 4 6 2
121XE L 1596.3 5
121XE E 0.17 8 0.06 3 7.04 21 0.23 11
121XES E EAV=1276.4 84$CK=0.239 4$CL=0.0318 5$CM+=0.00864 13
121XE G 1035.5 4 9 4