221FR 221RN B- DECAY 1977Vy02 07NDS 200705
221FR H TYP=FUL$AUT=Ashok Jain, Sukhjeet Singh, Suresh Kumar, Jagdish Tuli$
221FR2 H CIT=NDS 108, 883 (2007)$CUT=15-Jan-2007$
221FR c Measured |g, ce
221FR cG E,RI From 1977Vy02 (semi, s ce), unless otherwise noted.
221FR cG M,MR From ce measurements of 1977Vy02 in {+221}Rn |b{+-} decay
221FR2cG and of 1972Dz14 in {+225}Ac |a decay. Multipolarities in brackets are
221FR3cG assumed from the level scheme; they were not determined experimentally.
221FR cG E(S,T) Not observed in {+221}Rn |b{+-} decay; E|g from {+225}Ac |a
221FRxcG decay.
221FR cG E(A) Energy from {+225}Ac |a decay.
221FR cG E(B) Not observed; energy from level scheme.
221FR cG RI(T) Calculated by the evaluator from adopted branchings
221FR cG E(N) Observed by 2003Gr33.
221FR cL E(M) Population in {+221}Rn |b{+-} decay is supported by matching
221FR2cL intensity ratios from 2001GrZU.
221RN P 0.0 7/2(+) 25 M 2 1150 SY
221FR N 1.386 18 0.78 1 1.28205
221FR cN NR$Relative photon intensities were normalized by 1977Vy02
221FR2cN to %I|g(218|g of {+221}Fr decay)=10.7 {I6}; %I|g(218|g)=11.57 {I15}
221FR3cN has been adopted in {+221}Fr |a decay scheme.
221FR L 0.0 5/2- 4.9 M 2
221FR B 8 4 6.7
221FRS B EAV=382.0
221FR cB IB sum of |b intensities to g.s., 26.0-, and 36.65-keV levels.
221FR L 26.02 4(1/2)-
221FR B ?
221FR G 26.0 1 (E2) 5.94E3 15 S S
221FRS G LC=4.39E3 11$MC=1.18E3 3$NC+=378 9
221FRS G NC=307 8$OC=63.3 15$PC=8.01 19$QC=0.00946 22
221FR cG I(|g+ce)|<9.3 (and I|g|<0.0015) if there is no |b{+-} branch
221FR2cG to the 26.02 keV level; I(|g+ce)=8.1 {I12} (and I|g=0.0013 {I2}) if
221FR3cG I(|g+ce)(10.7|g)=5.2 {I12} (that is, if there is also no |b{+-} to
221FRxcG 36.68-keV level).
221FR L 36.68 3(3/2)-
221FR B ?
221FR G 10.7 2 B S
221FR cG I(|g+ce)(10.7|g)|>4.0 from I(|g+ce)(10.7|g)/I(|g+ce)(36.7|g)=
221FR2cG 8.5 {I15}/17.9 {I23}, as deduced in {+225}Ac |a decay, and
221FR3cG I(|g+ce)(36.7|g)|>8.4. If there is no |b branch to the 36.68 keV
221FR4cG level, the intensity balance yields
221FR5cG I(|g+ce)(10.7|g)+I(|g+ce)(36.7|g)=16.3 {I14}; therefore,
221FRxcG I(|g+ce)(10.7|g)=5.2 {I12}.
221FR G 36.7 1 E2(+M1) 6.E2 6 A
221FRS G LC=4.E2 4$MC=1.1E2 11$NC+=4.E1 4
221FRS G NC=3.E1 3$OC=6 6$PC=0.8 7$QC=0.0035 16
221FR cG M$M1 admixture <10% (2003Ku44)
221FR cG RI |>0.0075 from Ice(M2 36.7|g)+Ice(M3 36.7|g)|>1.6 (measured)
221FR2cG and the theoretical conversion coefficient
221FR3cG of (|a(M2)+|a(M3))(E2)=214. If there
221FR4cG is no |b branch to the 36.68-keV level, the intensity balance yields
221FR5cG I(|g+ce)(36.7|g)=11.1 {I19}; therefore, I|g(36.7|g)=0.0099 {I17}.
221FR L 38.531 21 (9/2)-
221FR B 1.3 GE 7.4 LE
221FRS B EAV=367.2
221FR G 38.53 3 0.0095 GEE2 859 A
221FRS G LC=634 10$MC=170.4 25$NC+=54.9 8
221FRS G NC=44.6 7$OC=9.19 14$PC=1.168 17$QC=0.001573 23
221FR cG RI calculated by the evaluator from measured
221FR2cG Ice(M2 38.53|g)+Ice(M3 38.5|g)|>1.6 and the
221FR3cG theoretical conversion coefficients. The intensity balance to the g.s.
221FR4cG yields I|g<0.05
221FR L 99.63 3(3/2)-
221FR B 0.9 4 7.5
221FRS B EAV=344.0
221FR G 62.95 3 0.14 2 M1 10.84 A
221FRS G LC=8.23 12$MC=1.96 3$NC+=0.649 10
221FRS G NC=0.515 8$OC=0.1151 17$PC=0.0185 3$QC=0.001033 15
221FR G 73.5 1 0.0031 9 E2+M1 22 16 T
221FRS G LC=16 12$MC=4 4$NC+=1.4 10
221FRS G NC=1.1 9$OC=0.24 17$PC=0.032 21$QC=0.0004 3
221FR G 99.63 5 0.23 4 M1+E2 0.19 4 3.06 11 A
221FRS G LC=2.32 8$MC=0.560 21$NC+=0.185 7
221FRS G NC=0.147 6$OC=0.0325 12$PC=0.00512 14$QC=0.000263 6
221FR cG RI calculated by the evaluator from
221FR2cG I(99.63|g)/I(62.95|g)=0.70 {I6}/0.14 {I2},
221FR3cG as deduced in {+225}Ac |a decay.
221FR L 99.88 4(3/2)+
221FR B 2.3 6 7.1
221FRS B EAV=343.9
221FR G 73.86 2 0.52 3 E1 0.240 A
221FRS G LC=0.182 3$MC=0.0440 7$NC+=0.01403 20
221FRS G NC=0.01131 16$OC=0.00238 4$PC=0.000330 5$QC=1.092E-5 16
221FR G 99.91 5 1.4 5 E1 0.1073 A
221FRS G LC=0.0814 12$MC=0.0196 3$NC+=0.00629 9
221FRS G NC=0.00505 8$OC=0.001077 16$PC=0.0001534 22$QC=5.57E-6 8
221FR cG I(99.63|g)+I(99.91|g)=1.6 {I4} was measured.
221FR L 100.93 3 (5/2)-
221FR B 8.8 15 6.5
221FRS B EAV=343.5
221FR G 64.24 10 0.26 2 M1+E2 0.51 10 23 4
221FRS G LC=17 3$MC=4.4 8$NC+=1.4 3
221FRS G NC=1.16 22$OC=0.25 5$PC=0.034 6$QC=0.00081 6
221FR G 74.9 2 0.15 AP(M1+E2) 0.5 AP 12.09 AP A
221FRS G LC AP 9.02$MC AP 2.31$NC+ AP 0.755
221FRS G NC AP 0.607$OC AP 0.1296$PC AP 0.0184$QC AP 0.000515
221FR G 100.96 5 0.30 7 M1+E2 0.7 7 4.6 19 A
221FRS G LC=3.4 14$MC=0.9 4$NC+=0.29 13
221FRS G NC=0.23 11$OC=0.049 21$PC=0.0070 24$QC=0.00019 8
221FR L 108.387 24 (7/2)-
221FR B 8.1 25 6.5
221FRS B EAV=340.7
221FR G 69.79 10 0.04 1 E2 48.2
221FRS G LC=35.5 6$MC=9.60 15$NC+=3.10 5
221FRS G NC=2.51 4$OC=0.520 9$PC=0.0665 11$QC=0.0001186 18
221FR G 71.67 10 0.118 12E2 42.4
221FRS G LC=31.2 5$MC=8.45 14$NC+=2.73 5
221FRS G NC=2.21 4$OC=0.458 8$PC=0.0586 9$QC=0.0001067 16
221FR G 108.44 4 2.12 13M1+E2 0.53 6 10.25 25
221FRS G KC=7.2 4$LC=2.29 12$MC=0.58 4$NC+=0.189 11
221FRS G NC=0.152 9$OC=0.0328 17$PC=0.00481 20$QC=0.000171 8
221FR L 145.9 6(1/2)+
221FR cL From 2003Gr33
221FR B 0.4 7.9
221FR G 46.2 0.031
221FRF G FL=99.63
221FR G 119.9 0.36 E1 0.305
221FRS G KC=0.238 4$LC=0.0503 7$MC=0.01206 17$NC+=0.00389 6
221FRS G NC=0.00312 5$OC=0.000668 10$PC=9.67E-5 14$QC=3.69E-6 6
221FR cG From 2003Gr33
221FR L 150.08 3(7/2)+ M
221FR B 3.6 15 6.8
221FRS B EAV=325.0
221FR G 49.04 15 0.07 1 (E1) 0.718 12
221FR3 G FL=100.93
221FRS G LC=0.544 9$MC=0.1326 22$NC+=0.0419 7
221FRS G NC=0.0339 6$OC=0.00701 12$PC=0.000921 15$QC=2.65E-5 5
221FR G 111.56 4 2.12 13(E1) 0.362
221FRS G KC=0.282 4$LC=0.0608 9$MC=0.01460 21$NC+=0.00470 7
221FRS G NC=0.00377 6$OC=0.000807 12$PC=0.0001160 17$QC=4.34E-6 6
221FR G 150.06 4 4.2 3 E1 0.1765
221FRS G KC=0.1397 20$LC=0.0280 4$MC=0.00669 10$NC+=0.00217 3
221FRS G NC=0.001734 25$OC=0.000374 6$PC=5.50E-5 8$QC=2.22E-6 4
221FR L 195.788 22(7/2)- M
221FR B 2.1 3 7.0
221FRS B EAV=307.9
221FR G 87.41 3 0.18 APM1 4.16 A
221FRS G LC=3.16 5$MC=0.754 11$NC+=0.249 4
221FRS G NC=0.198 3$OC=0.0442 7$PC=0.00709 10$QC=0.000396 6
221FR G 94.90 5 0.057 13M1 3.28 T
221FR3 G FL=100.93
221FRS G LC=2.49 4$MC=0.594 9$NC+=0.196 3
221FRS G NC=0.1557 22$OC=0.0348 5$PC=0.00558 8$QC=0.000312 5
221FR G 96.15 5 0.019 5 M1+E2 0.8 3 6.0 14 T
221FR3 G FL=99.63
221FRS G LC=4.5 11$MC=1.2 3$NC+=0.38 10
221FRS G NC=0.31 8$OC=0.065 16$PC=0.0090 18$QC=0.00020 5
221FR G 157.26 2 0.22 4 M1+E2 0.21 21 3.8 3 A
221FRS G KC=3.1 4$LC=0.59 3$MC=0.142 9$NC+=0.047 3
221FRS G NC=0.0374 24$OC=0.0083 5$PC=0.00132 4$QC=7.0E-5 7
221FR G 169.9 0.016 N
221FR G 195.69 7 0.10 2 M1+E2 0.8 8 1.5 6
221FRS G KC=1.1 6$LC=0.315 5$MC=0.079 4$NC+=0.0258 12
221FRS G NC=0.0206 11$OC=0.00448 12$PC=0.00067 4$QC=2.6E-5 14
221FR cG RI calculated by the evaluator from
221FR2cG I|g(195.69|g)/I|g(157.26|g)=0.15 {I1}/0.33 {I2},
221FR3cG as measured in {+225}Ac |a decay, and I|g(157.26|g)=0.22 {I4}.
221FR4cG I|g(195.69|g)|?0.15 was measured by 1977Vy02.
221FR L 224.67 3(3/2)+ M
221FR B ?
221FR G 78.8 0.031 M1 5.63 N
221FRS G LC=4.27 6$MC=1.019 15$NC+=0.337 5
221FRS G NC=0.267 4$OC=0.0597 9$PC=0.00958 14$QC=0.000536 8
221FR G 123.75 5 0.026 AP[E1] 0.282 T
221FR3 G FL=100.93
221FRS G KC=0.221 4$LC=0.0463 7$MC=0.01109 16$NC+=0.00358 5
221FRS G NC=0.00287 4$OC=0.000616 9$PC=8.93E-5 13$QC=3.44E-6 5
221FR G 124.82 5 0.0096 APM1+E2 0.8 AP 6.00 AP T
221FR3 G FL=99.88
221FRS G KC AP 3.87$LC AP 1.592$MC AP 0.409$NC+ AP 0.1335
221FRS G NC AP 0.1072$OC AP 0.0229$PC AP 0.00327$QC AP 9.24E-5
221FR G 186.1 0.0053 N
221FR G 188.00 5 0.2 APE1 0.1023 A
221FRS G KC=0.0816 12$LC=0.01570 22$MC=0.00375 6$NC+=0.001216 17
221FRS G NC=0.000972 14$OC=0.000211 3$PC=3.14E-5 5$QC=1.338E-6 19
221FR G 198.7 1 0.0088 AP[E1] 0.0895 T
221FRS G KC=0.0716 10$LC=0.01365 20$MC=0.00326 5$NC+=0.001057 15
221FRS G NC=0.000845 12$OC=0.000183 3$PC=2.74E-5 4$QC=1.182E-6 17
221FR G 224.64 5 0.036 AP[E1] 0.0668 T
221FRS G KC=0.0536 8$LC=0.01005 14$MC=0.00239 4$NC+=0.000778 11
221FRS G NC=0.000621 9$OC=0.0001353 19$PC=2.04E-5 3$QC=9.00E-7 13
221FR L 234.63 6 (5/2)+ M
221FR B 1.86 17 7.0
221FRS B EAV=293.6
221FR G 126.25 10 0.22 3 (E1) 0.269
221FRS G KC=0.211 3$LC=0.0439 7$MC=0.01052 15$NC+=0.00339 5
221FRS G NC=0.00272 4$OC=0.000584 9$PC=8.49E-5 12$QC=3.28E-6 5
221FR G 133.68 10 0.53 10(E1) 0.234
221FR3 G FL=100.93
221FRS G KC=0.184 3$LC=0.0378 6$MC=0.00906 13$NC+=0.00292 5
221FRS G NC=0.00234 4$OC=0.000504 8$PC=7.35E-5 11$QC=2.89E-6 4
221FR G 135.02 10 0.64 6 (E1) 0.228
221FR3 G FL=99.63
221FRS G KC=0.180 3$LC=0.0368 6$MC=0.00882 13$NC+=0.00285 4
221FRS G NC=0.00228 4$OC=0.000491 7$PC=7.17E-5 11$QC=2.82E-6 4
221FR G 197.77 12 * ?
221FR L 253.53 3 (5/2)+ M
221FR B 6.1 6 6.4
221FRS B EAV=286.5
221FR G 57.73 15 0.020 7 (E1) 0.464 8
221FRS G LC=0.352 6$MC=0.0854 14$NC+=0.0271 5
221FRS G NC=0.0219 4$OC=0.00456 8$PC=0.000613 10$QC=1.87E-5 3
221FR G 103.3 2 0.048 14[M1+E2] 10 3
221FRS G KC=5 5$LC=3.7 18$MC=1.0 6$NC+=0.32 17
221FRS G NC=0.26 14$OC=0.05 3$PC=0.007 3$QC=0.00014 11
221FR G 145.17 5 0.63 20(E1) 0.191 A
221FRS G KC=0.1512 22$LC=0.0305 5$MC=0.00730 11$NC+=0.00236 4
221FRS G NC=0.00189 3$OC=0.000407 6$PC=5.97E-5 9$QC=2.40E-6 4
221FR G 152.60 8 0.2 AP[E1] 0.1695
221FR3 G FL=100.93
221FRS G KC=0.1342 19$LC=0.0268 4$MC=0.00641 9$NC+=0.00207 3
221FRS G NC=0.001660 24$OC=0.000358 5$PC=5.27E-5 8$QC=2.14E-6 3
221FR G 153.87 6 0.80 6 (E1) 0.1661
221FR3 G FL=99.63
221FRS G KC=0.1316 19$LC=0.0262 4$MC=0.00627 9$NC+=0.00203 3
221FRS G NC=0.001625 23$OC=0.000351 5$PC=5.16E-5 8$QC=2.10E-6 3
221FR G 216.92 10 2.4 4 (E1) 0.0726
221FRS G KC=0.0582 9$LC=0.01096 16$MC=0.00261 4$NC+=0.000849 12
221FRS G NC=0.000678 10$OC=0.0001475 21$PC=2.22E-5 4$QC=9.73E-7 14
221FR G 228.2 0.24 N
221FR G 253.53 5 0.53 5 [E1] 0.0503 A
221FRS G KC=0.0405 6$LC=0.00746 11$MC=0.001775 25$NC+=0.000578 8
221FRS G NC=0.000461 7$OC=0.0001007 15$PC=1.526E-5 22$QC=6.91E-7 10
221FR cG RI calculated by the evaluator from
221FR2cG I(253.53|g)/I(153.87|g)=0.113 {I5}/0.172 {I8} and
221FR3cG I(253.53|g)/I(145.17|g)=0.113 {I5}/0.134 {I6}, as measured in {+225}Ac
221FR4cG |a decay. I(253.53|g)+I(254.2|g of {+217}Po)=2.7 {I2} was measured,
221FR6cG and I(253.53|g)|?0.6 was estimated by 1977Vy02 by decomposing
221FR7cG the peak into components.
221FR L 279.28 3 (7/2)+ M
221FR B 5.9 6 6.4
221FRS B EAV=277.1
221FR G 129.25 10 0.22 3 [M1,E2] 5.0 20
221FRS G KC=3 3$LC=1.5 5$MC=0.39 15$NC+=0.13 5
221FRS G NC=0.10 4$OC=0.022 8$PC=0.0030 8$QC=7.E-5 6
221FR G 170.98 20 0.46 4 (E1) 0.1286
221FRS G KC=0.1023 15$LC=0.0200 3$MC=0.00478 7$NC+=0.001548 23
221FRS G NC=0.001238 18$OC=0.000268 4$PC=3.97E-5 6$QC=1.656E-6 24
221FR G 178.36 4 0.84 6 E1 0.1161
221FR3 G FL=100.93
221FRS G KC=0.0925 13$LC=0.0179 3$MC=0.00429 6$NC+=0.001389 20
221FRS G NC=0.001111 16$OC=0.000241 4$PC=3.58E-5 5$QC=1.506E-6 21
221FR G 240.6 2 0.67 7 [E1] 0.0569
221FRS G KC=0.0457 7$LC=0.00848 12$MC=0.00202 3$NC+=0.000657 10
221FRS G NC=0.000524 8$OC=0.0001143 17$PC=1.728E-5 25$QC=7.74E-7 11
221FR G 279.26 4 1.82 12E1 0.0403
221FRS G KC=0.0325 5$LC=0.00591 9$MC=0.001404 20$NC+=0.000458 7
221FRS G NC=0.000365 6$OC=7.98E-5 12$PC=1.215E-5 17$QC=5.60E-7 8
221FR L 294.76 5(9/2)+ M
221FR B 27.2 20 5.7
221FRS B EAV=271.4
221FR G 144.7 2 0.54 20(M1+E2) 0.8 AP 3.79 AP
221FRS G KC AP 2.57$LC AP 0.914$MC AP 0.232$NC+ AP 0.0761
221FRS G NC AP 0.0610$OC AP 0.01312$PC AP 0.00190$QC AP 6.05E-5
221FR G 186.38 4 20.0 12E1 0.1044
221FRS G KC=0.0833 12$LC=0.01605 23$MC=0.00383 6$NC+=0.001242 18
221FRS G NC=0.000994 14$OC=0.000215 3$PC=3.21E-5 5$QC=1.364E-6 20
221FR G 256.0 2 0.32 8 [E1] 0.0492
221FRS G KC=0.0396 6$LC=0.00729 11$MC=0.001733 25$NC+=0.000564 8
221FRS G NC=0.000450 7$OC=9.84E-5 14$PC=1.491E-5 21$QC=6.76E-7 10
221FR L 393.40 7 (5/2,7/2)+ M
221FR B 2.3 4 6.6
221FRS B EAV=235.8
221FR G 114 0.31 M1 9.86 N
221FRS G KC=7.93 12$LC=1.466 21$MC=0.350 5$NC+=0.1156 17
221FRS G NC=0.0917 13$OC=0.0205 3$PC=0.00329 5$QC=0.000184 3
221FR G 139.6 0.28 M1 5.54 N
221FRS G KC=4.46 7$LC=0.820 12$MC=0.195 3$NC+=0.0646 9
221FRS G NC=0.0512 8$OC=0.01145 16$PC=0.00184 3$QC=0.0001025 15
221FR G 168.86 13 0.26 3 [M1,E2] 2.1 11
221FRS G KC=1.4 12$LC=0.54 6$MC=0.137 24$NC+=0.045 8
221FRS G NC=0.036 7$OC=0.0077 11$PC=0.00111 5$QC=3.E-5 3
221FR G 197.77 12 0.72 9 (E1) 0.0905 *
221FRS G KC=0.0724 11$LC=0.01381 20$MC=0.00329 5$NC+=0.001070 15
221FRS G NC=0.000855 12$OC=0.000186 3$PC=2.78E-5 4$QC=1.195E-6 17
221FR G 243.2 1 0.018 8 [M1] 1.162 T
221FRS G KC=0.938 14$LC=0.1706 24$MC=0.0406 6$NC+=0.01343 19
221FRS G NC=0.01065 15$OC=0.00238 4$PC=0.000382 6$QC=2.13E-5 3
221FR G 284.8 2 0.061 32[E1] 0.0385 T
221FRS G KC=0.0311 5$LC=0.00564 8$MC=0.001339 19$NC+=0.000437 7
221FRS G NC=0.000348 5$OC=7.62E-5 11$PC=1.161E-5 17$QC=5.37E-7 8
221FR G 354.8 2 0.023 8 [E1] 0.0235 T
221FRS G KC=0.0191 3$LC=0.00337 5$MC=0.000799 12$NC+=0.000261 4
221FRS G NC=0.000208 3$OC=4.57E-5 7$PC=7.03E-6 10$QC=3.38E-7 5