131XE 131I B- DECAY 06NDS 200612
131XE H TYP=FUL$AUT=YU. KHAZOV, I. MITROPOLSKY, A. RODIONOV$
131XE2 H CIT=NDS 107, 2715 (2006)$CUT=17-Jul-2006$
131XE c 1974Me21, 1989Ch45: {+131}I(|b-) (T{-1/2}=8 d); measured E(|g), I(|g),
131XE2c |g|g. Ge(Li) anti-Compton, HPGe and Si(Li) detectors
131XE c 1960Jo11, 1972Kr07, 1974Ko02, 1975Ko15: {+131}I(|b-) decay
131XE2c (T{-1/2}=8 d); measured |g(|q). Nuclear orientation study
131XE c 1971Gf01, 1972Be90, 1976Ba42: {+131}I(|b-) decay (T{-1/2}=8 d);
131XE2c measured |g|g(|q).
131XE c The level scheme is as given by 1974Me21
131XE cB IB From net |g feeding of each level
131XE cG E From 1990Me15
131XE cG RI Weighted average of 1990Me15, 1989Ch45, 1980VyZZ
131XE cG MR From |g|g(|q) and |g(|q) as adopted by 1977Kr13. Phase
131XE2cG convention changed to the standard for Nuclear Data Sheets by the
131XE3cG evaluators
131XE cG |a(K)exp: from I(ce) measurements of 1962Wo09 normalized to
131XE2cG |a(K)(284.3, E2)=0.0408
131XE cL E$From least-squares fit to E|g's
131I P 0.0 7/2+ 8.0252 D 6 970.8 6
131XE N 0.815 51.0 1.0 1.0
131XE cN NR from |SI(|g+ce)=100 to g.s. and total feeding of isomeric
131XE2cN state 1.086% {I7}
131XE PN 3
131XE G 449.6 2 0.009 3
131XE L 0.0 3/2+ STABLE
131XE L 80.1853 191/2+ 0.454 NS 40
131XE cL T$weighted average of 0.496 ns {I21} (1962We14) and 0.416 ns {I20}
131XExcL (1981Pa21)
131XE G 80.185 2 3.21 4 M1+E2 0.1 LT 1.544 C
131XE2 G EKC=1.20 13$ ELC=0.17 2 (1964Da19)
131XES G KC=1.324 19$LC=0.1757 25$MC=0.0357 5$NC+=0.00831 12
131XES G NC=0.00739 11$OC=0.000920 13
131XE cG MR$from from |a(K)exp and |a(L)exp
131XE cG M$D from comparison to RUL
131XE L 163.930 811/2- 11.86 D 4 M1
131XE cL T$ from |g(t) (IT decay)
131XE B 0.39 9 9.83 10 1U
131XES B EAV=283.24 31
131XE G 163.930 8 0.0259 5 M4 50.5
131XES G KC=31.6 5$LC=14.75 21$MC=3.38 5$NC+=0.767 11
131XES G NC=0.691 10$OC=0.0755 11
131XE cG $Isomeric transition. I(|g+ce)=1.086% {I7} (1974Me21)
131XE cG RI$calculated by evaluators
131XE L 341.144 99/2- 1.6 NS 4
131XE cL T$weighted average of 2.15 ns {I7} (1973En03) and 1.34 ns {I4}
131XExcL (1981Pa21)
131XE B 0.050 23 9.95 20
131XES B EAV=200.22 30
131XE G 177.214 2 0.330 4 M1+E2 -4.3 4 0.240 C
131XE2 G EKC=0.180 12$ K/L=5.1 5$ L1/L2=1.8 7$ L1/L3=2.7 13
131XES G KC=0.187 3$LC=0.0419 7$MC=0.00880 14$NC+=0.00196 3
131XES G NC=0.00177 3$OC=0.000192 3
131XE L 364.490 45/2+ 67.5 PS 14
131XE cL T from 1981Pa21. Other: 47 ps {I5} (1966Go20)
131XE B 89.6 8 6.643 5
131XES B EAV=191.58 30
131XE G 284.305 5 7.51 6 E2 0.0497 C
131XE2 G K/L=5.5 5$ L1/L2=2.9 4$ L1/L3=3.4 5 (1962Wo09)
131XES G KC=0.0408 6$LC=0.00714 10$MC=0.001479 21$NC+=0.000334 5
131XES G NC=0.000300 5$OC=3.42E-5 5
131XE G 364.489 5 100.0 7 M1+E2 -4.53 12 0.0228 C
131XE2 G EKC=0.0192 11
131XES G KC=0.0191 3$LC=0.00299 5$MC=0.000615 9$NC+=0.0001401 20
131XES G NC=0.0001254 18$OC=1.473E-5 21
131XE cG MR$|g(|q) from oriented {+131}I (1974Ko02). Others: |d=-6.7 {I5}
131XE2cG (1971Kr07), |d=-4.7 {I3} (1964Da19)
131XE L 404.816 43/2+ 75 PS LT
131XE cL T from 1981Pa21. Other: <500 ps (1973En02)
131XE G 324.651 25 0.026 3 M1+E2 -0.8 7 0.0329 6
131XES G KC=0.0280 8$LC=0.0040 3$MC=0.00081 7$NC+=0.000187 14
131XES G NC=0.000167 13$OC=2.02E-5 10
131XE G 404.814 4 0.067 2 M1+E2 +1.0 9 0.0177 12 C
131XES G KC=0.0151 13$LC=0.00210 4$MC=0.000429 11$NC+=9.88E-5 17
131XES G NC=8.81E-5 17$OC=1.072E-5 24
131XE L 636.991 47/2+
131XE B 7.23 10 6.864 7
131XES B EAV=96.62 26
131XE G 232.18 150.0039 5 [E2] 0.0971
131XES G KC=0.0781 11$LC=0.01508 22$MC=0.00314 5$NC+=0.000705 10
131XES G NC=0.000634 9$OC=7.09E-5 10
131XE G 272.498 170.0707 13M1+E2 -0.38 17 0.0530 9 C
131XES G KC=0.0453 7$LC=0.0061 3$MC=0.00125 6$NC+=0.000289 13
131XES G NC=0.000257 12$OC=3.17E-5 11
131XE G 295.8 2 0.0022 10[E1] 0.01079
131XES G KC=0.00933 14$LC=0.001173 17$MC=0.000237 4$NC+=5.47E-5 8
131XES G NC=4.87E-5 7$OC=5.98E-6 9
131XE cG RI from 1989Ch45
131XE G 636.989 4 8.78 11E2 0.00470
131XE3 G EKC=0.0042 3
131XES G KC=0.00401 6$LC=0.000551 8$MC=0.0001123 16$NC+=2.59E-5 4
131XES G NC=2.31E-5 4$OC=2.81E-6 4
131XE L 666.934 97/2- 0.5 NS LT
131XE cL T from 1973En02
131XE B 0.645 23 7.781 16
131XES B EAV=86.94 26
131XE G 302.4 2 0.0058 7 [E1] 0.01019
131XES G KC=0.00881 13$LC=0.001107 16$MC=0.000223 4$NC+=5.16E-5 8
131XES G NC=4.59E-5 7$OC=5.65E-6 8
131XE G 325.789 4 0.335 26M1+E2 -0.23 4 0.0329 C
131XE2 G EKC=0.034 4
131XES G KC=0.0283 4$LC=0.00367 6$MC=0.000745 11$NC+=0.000173 3
131XES G NC=0.0001541 23$OC=1.92E-5 3
131XE G 503.004 4 0.441 4 E2 0.00883
131XE2 G EKC=0.0074 9
131XES G KC=0.00748 11$LC=0.001083 16$MC=0.000221 3$NC+=5.08E-5 8
131XES G NC=4.53E-5 7$OC=5.44E-6 8
131XE L 722.909 45/2+
131XE B 2.08 3 6.987 8
131XES B EAV=69.36 25
131XE G 85.9 2 0.00011 6 [M1,E2] 2.2 10
131XES G KC=1.5 5$LC=0.5 4$MC=0.12 9$NC+=0.025 19
131XES G NC=0.023 17$OC=0.0024 17
131XE G 318.088 160.095 2 M1+E2 -0.11 8 0.0350 C
131XES G KC=0.0301 5$LC=0.00388 6$MC=0.000786 12$NC+=0.000183 3
131XES G NC=0.0001628 25$OC=2.04E-5 3
131XE G 358.4 2 0.020 7 [M1,E2] 0.0248 10 C
131XES G KC=0.0210 12$LC=0.00301 18$MC=0.00062 5$NC+=0.000141 8
131XES G NC=0.000126 8$OC=1.53E-5 4
131XE G 642.719 5 0.266 5 [E2] 0.00459
131XES G KC=0.00392 6$LC=0.000538 8$MC=0.0001096 16$NC+=2.53E-5 4
131XES G NC=2.25E-5 4$OC=2.74E-6 4
131XE G 722.911 5 2.17 3 M1+E2 +0.207 5
131XE2 G EKC=0.0038 3
131XES G CC=0.00459$KC=0.00394$LC=0.00049