237PU 237AM EC DECAY 1975AH05 06NDS 200608 237PU H TYP=FUL$AUT=M. S. Basunia$CIT=NDS 107, 2323 (2006)$CUT=15-Mar-2006$ 237PU C Other measurement: 1972PoZS. 237PU C 237AM source was prepared by the 237NP(A,4N), E(A)=42-MeV and 237PU2C 237NP(3HE,3N), E(3HE)= 32-MeV reactions; Detector: Ge(Li), NaI(Tl); 237PU3C Measured: EG, GG coin, RI, CE. 237PU CE IE Deduced from GAMMA transition intensities. The EC 237PU2CE branch to GS was deduced in 1975Ah05 as (0.6 +-5)% from comparison 237PU3CE of the measured K X-RAY intensity with those expected ones due to 237PU4CE K conversions of GAMMA's and the K captures to excited levels. 237PU CG GG: 1975Ah05 237PU2CG 237PU TG X rays(^Pu): 237PU2TG 237PU3TG E(x ray) I(%) I(X-RAY) 237PU4TG 1975Ah05 1975Ah05 calculated 237PU5TG -------- ------- ---------- 237PU6TG 99.5 1 27.9 14 27.2 18 XKA2 237PU7TG 103.8 1 43.5 23 44 3 XKA1 237PU8TG 117.1 1 15.7 10 15.1 14 XKB1P 237PU9TG 120.7 1 5.1 4 5.5 5 XKB2P 237PU2TG 237PU CG E,RI From 1975Ah05, Photon intensity per 100 EC decays. 237PU CG M From CE measurements in 1975Ah05. See also 241CM A DECAY. 237PU2CG ICE's given here were normalized in 1975Ah05 making use of EKC (279.2G 237PU3CG of 203HG decay)=0.163 2. 237PU CG MR Deduced by the evaluator from the CE intensities given in 237PU2CG 1975Ah05. See also 241CM A DECAY. 237PU CG TI Deduced from CE intensities of 1975Ah05. 237PU CG E(A) Assignment of these gammas to 237AM decay is uncertain. 237PU CL E From a least-squares fit to the G-ray energies. 237PU CL J From rotational band structure and G-ray multipolarity. 237PU CL E(A) 7/2[743] BAND 237PU CL E(B) 1/2[631] BAND 237PU CL E(C) 5/2[622] BAND 237PU CL E(D) 3/2[631] BAND 237PU CL E(E) 5/2[633] BAND 237PU CL E(F) 7/2[624] STATE 237PU CL E(G) 5/2[752] BAND 237PU CL E(H) 7/2[613] STATE 237AM P 0.0 5/2(-) 73.6 M 8 1480 SY 237PU N 1.00 1.00 0.99975 3 1.0 237PU CN NR Normalization factor to convert relative photon intensities 237PU2CN to intensities per 100 EC decays was obtained by requiring all 237PU3CN transitions (GAMMA, CE and EC) feeding the GS to sum to 100% 237PU4CN (1975Ah05). 237PU PN 3 237PU G 743.5 5 0.27 5 A 237PU G 792.0 5 0.16 4 A 237PU L 0.0 7/2- A 237PU CL J From adopted levels. 237PU E 5 LT 7.2 GT 237PUS E CK=0.7594$CL=0.1773$CM+=0.06305 237PU L 47.71 4 9/2- A 237PU CL J 47.7G M1+E2 to 7/2- state. 237PU G 47.71 4 M1+E2 0.24 8 79 15 4.2 6 237PUS G LC=59 14 $MC=15 4 237PU CG RI=0.053 17 from ICE(L)=3.1 6 and LC=59 14. 237PU CG ICE: (L1+L2)/L3/M=2.5 5/0.60 15/0.8 2. 237PU L 145.553 11 1/2+ B 237PU CL J 145.6G E3 to 7/2- state. 237PU E 2.35 LT 8.2 GT 1U? 237PUS E CK=0.7225$CL=0.2030$CM+=0.07444 237PU CE Intensity balance at the 145.544-KEV level gives 237PU2CE IE=-3+-6 per 100 EC decays. If LOGF1T is required to be 237PU3CE greater than 8.5, then IE LT 2.4%. 237PU G 145.552 12 0.48 4 E3 51.6 237PUS G KC= 0.209 $ LC= 36.2 $ MC= 10.9 $ NC+= 4.31 237PU CG ICE: (L1+L2)/L3/M/N=11.9 8/5.0 4/6.1 6/2.2 2; and 237PU2CG L2/L3=10.6 5/4.8 6. 237PU CG E=145.536 9 in 241CM A DECAY; 145.544 10 is adopted. 237PU L 155.465 14 3/2+ B 237PU CL J 9.9G M1+E2 to 1/2+ state. 237PU E 10 6 6.8 3 237PUS E CK=0.7562$CL=0.1797$CM+=0.06407 237PU G 9.903 16 M1+E2 0.071 +19-263.2E+3 10 22 5 237PUS G MC=2.3E+3 9 237PU CG ICE: N1/N2/N3=1.6 3/1.4 3/1.1 4. 237PU CG RI=0.0057 12 from ICE(N1) and N1C=279 3. 237PU L 201.188 13 5/2+ B 237PU CL J 45.7G M1+E2 to 3/2+ state. 237PU E 0.6 7 8.0 5 ? 237PUS E CK=0.7551$CL=0.1805$CM+=0.06441 237PU G 45.724 8 M1+E2 0.47 13 170 60 1.49 19 237PUS G LC= 125 40$MC= 33 11 237PU CG RI=0.0085 22 from L1C=34.3 26 and ICE(L1). 237PU CG ICE: L1/L2/L3=0.29 7/0.43 7/0.4 1. 237PU G 55.638 11 (E2) 261 5.5 5 237PUS G LC=188.7 $ MC=52.6 $ NC+=19.99 237PU CG RI=0.021 3 from ICE(L2) and L2C=102.7. 237PU CG ICE: L2/L3/M/N=2.2 3/1.4 2/ AP 1.2/ AP 0.5. 237PU L 224.26 5 7/2+ B 237PU E 0.3 9 8.2 13 ? 237PUS E CK=0.7545$CL=0.1809$CM+=0.06460 237PU G 68.8 1 (E2) 94.2 3.0 6 237PUS G LC= 68.0 $MC= 19.00 $NC+= 7.22 237PU CG RI=0.032 6 from ICE(L2) and L2C=38.04. 237PU CG ICE: L2/L3/M/N=1.2 2/ AP 1.0/ AP 0.6/ AP 0.2. 237PU L 280.226 15 5/2+ C 237PU CL J 280.2G E1 to 7/2- state. 237PU E 49.7 24 5.986 22 237PUS E CK=0.7529$CL=0.1821$CM+=0.06509 237PU G 79.05 2 (M1) 12.0 2.6 3 237PUS G LC= 9.01 $MC= 2.193 $NC+= 0.822 237PU CG RI=0.20 3 from ICE(L12) and L1C+L2C=8.96, 237PU2CG RI=0.28 7 from ICE(M) and MC=2.193. 237PU CG ICE: L12/M=1.8 2/0.61 15; L1/L12=1.6 3/1.8 2 237PU G 124.72 3 0.28 5 (M1) 15.1 237PUS G KC= 11.92 $LC= 2.404 $MC= 0.586 $NC+= 0.2199 237PU CG ICE(L1)=0.76 13. 237PU G 280.23 2 47.3 20 E1 0.0484 237PUS G KC= 0.0382 $LC=0.00769 $MC=0.00186 $NC+=0.00068 237PU CG ICE: K/L12/L3=1.92 15/0.32 3/0.06 2. 237PU L 320.975 16 7/2+ C 237PU CL J$40.7G M1+E2 to 5/2+ state and 321.0G E1 to 7/2- state. 237PU E 5.6 5 6.90 4 237PUS E CK=0.7516$CL=0.1829$CM+=0.06547 237PU G 40.748 6 M1+E2 0.194 30 123 14 3.4 4 * 237PUS G LC= 92 10$MC= 23.3 26 237PU CG ICE: L1/L2/L3=1.5 2/0.6 2/0.41 6. The CE contributions from 237PU2CG each GAMMA of the doublet could not be deduced. The second possible 237PU3CG 40.748G between the 696.2- and 655.3-KEV levels is assumed by the 237PU4CG evaluator to be much weaker. The intensity balance at the 655.3-KEV 237PU5CG level suggests that TI(40.748G deexciting 696.2 level) LT 1.50 15; 237PU6CG the sum of the (^N-forbidden) EC branches to the 696.2- and 655.3-KEV 237PU7CG levels is 2.03% 17 (independent of any 40.748G between them). The 237PU8CG measured CE intensities are assigned here to the 40.748G deexciting 237PU4CG the 320.97-KEV level. It may be considered as an upper limit. 237PU CG RI=0.028 5 from ICE(L3) and L3C=14.4 5. 237PU CG TI=1.33ICE(L)+IG 237PU CG 1983Bh10 calculated penetration parameters for the 40.748-KEV 237PU2CG photon from measured L-subshell conversion ratios. Possible effects 237PU3CG on these ratios from conversion lines of the second 40.78G 237PU4CG deexciting the 696.2-KEV level were not considered. 237PU G 273.3 1 0.76 5 [E1] 0.0511 237PUS G KC=0.0403 $ LC=0.00815 $ MC=0.00197 $ NC+=0.00072 237PU G 321.0 1 1.4 1 E1 0.0360 237PUS G KC= 0.0286 $LC=0.00562 $MC=0.00136 $NC+=0.00049 237PU CG ICE(K)<0.07. 237PU L 370.41 4 3/2+ D 237PU E 1.9 3 7.33 7 237PUS E CK=0.7499$CL=0.1841$CM+=0.06598 237PU G 214.9 2 0.24 5 (M1) 3.23 237PUS G KC= 2.55 $LC= 0.512 $MC= 0.1243 $NC+= 0.0464 237PU CG ICE(K)=0.61 15. 237PU G 224.86 4 0.24 5 (M1) 2.85 237PUS G KC= 2.25 $LC= 0.450 $MC= 0.1094 $NC+= 0.0408 237PU CG ICE(K)=0.56 12. 237PU L 404.20 5 5/2+ D 237PU E 5.1 6 6.87 6 237PUS E CK=0.7486$CL=0.1850$CM+=0.06636 237PU G 123.8 3 0.04 AP[M1] 15.5 237PUS G KC=12.2 $ LC=2.46 $ MC=0.599 $ NC+=0.225 237PU G 179.94 2 0.24 5 (M1(+E2)) 0.7 7 4.0 14 237PUS G KC=2.9 14 $ LC=0.84 1 $ MC=0.213 8 $ NC+=0.080 4 237PU CG ICE(K)=0.69 7. 237PU G 203.03 5 0.42 5 M1(+E2) 0.4 4 3.4 4 237PUS G KC= 2.6 4 $LC= 0.59 1 $MC= 0.145 1$NC+= 0.0541 3 237PU CG ICE: K/L=1.20 15/0.21 3. 237PU G 248.7 2 0.59 6 (M1(+E2)) 0.6 6 1.7 5 237PUS G KC= 1.3 4 $LC= 0.31 4 $MC= 0.076 7$NC+= 0.028 3 237PU CG ICE(L)=0.18 3. 237PU L 407.82 6 5/2+ E 237PU E 5.0 6 6.88 6 237PUS E CK=0.7485$CL=0.1851$CM+=0.06641 237PU G 127.5 2 0.11 2 [M1] 14.2 237PUS G KC=11.2 $ LC=2.26 $ MC=0.550 $ NC+=0.206 237PU G 183.7 2 0.19 5 M1(+E2) 0.7 7 3.8 13 237PUS G KC=2.7 13 $ LC=0.78 2 $ MC=0.199 6 $ NC+=0.075 3 237PU CG ICE: K/L=0.5 1/0.12 3. 237PU G 206.7 1 0.33 4 M1(+E2) 0.3 3 3.4 2 237PUS G KC= 2.6 2$LC= 0.56 1 $MC= 0.138 1 $NC+=0.0514 3 237PU CG ICE: K/L=0.85 12/0.16 3. 237PU G 252.2 2 0.27 7 M1(+E2) 0.6 6 1.6 5 @ 237PUS G KC=1.2 4 $ LC=0.23 10$ MC=0.073 6 $ NC+=0.027 2 237PU CG RI=0.42 5 was measured for this GAMMA placed twice. 237PU2CG RI(252G deexciting 407 level)= 237PU3CG 0.42 5 - RI(252G deexciting 453 level). 237PU CG MR contributions of CE's from 252G deexciting 453 level 237PU2CG have been subtracted in calculations of mixing ratio. 237PU CG ICE: K/L=0.6 1/0.12 3 for the doublet. 237PU G 407.8 1 0.63 5 (E1) 0.0218 237PUS G KC=0.0174 $LC=0.00331 $MC=0.00080 $NC+=0.00029 237PU CG ICE(K) AP 0.02. 237PU L 438.41 7 7/2+ E 237PU CL J$390.7G E1 to 9/2- state, 438.4G E1 to 7/2- state. 237PU E 9.6 6 6.57 3 237PUS E CK=0.7473$CL=0.1860$CM+=0.06678 237PU G 158.3 3 0.07 2 [M1] 7.66 237PUS G KC=6.04 $ LC=1.21 $ MC=0.296 $ NC+=0.111 237PU G 390.7 1 0.55 4 E1 0.0238 237PUS G KC=0.0190 $LC=0.00363 $MC=0.00088 $NC+=0.00032 237PU CG ICE(K)<0.02. 237PU G 438.4 1 8.3 4 E1 0.0188 237PUS G KC=0.0151 $LC=0.00283 $MC=0.00068 $NC+=0.00025 237PU CG ICE(K)=0.13 3. 237PU L 453.29 14 7/2+ D 237PU E 1.0 3 7.53 13 237PUS E CK=0.7466$CL=0.1864$CM+=0.06697 237PU G 229.1 3 0.15 5 [M1] 2.70 237PUS G KC=2.13 $ LC=0.427 $ MC=0.104 $ NC=0.0387 237PU G 252.2 2 0.15 5 [M1] 2.07 @ 237PUS G KC=1.63 $ LC=0.326 $ MC=0.079 $ NC+=0.0296 237PU CG RI calculated by the evaluator from ALAGA rule and RI(229G). 237PU G 453.2 3 0.10 2 [E1] 0.0176 237PUS G KC=0.0141 $ LC=0.00264 $MC=0.00064 $ NC+=0.00023 237PU L 473.52 7 7/2+ F 237PU CL J 425.8G E1 to 9/2- state, 473.5G E1 to 7/2- state. 237PU E 6.5 4 6.70 3 237PUS E CK=0.7458$CL=0.1870$CM+=0.06723 237PU G 193.4 3 0.09 3 [M1] 4.35 237PUS G KC=3.43 $ LC=0.689 $ MC=0.167 $ NC+=0.0625 237PU G 425.8 1 1.94 12 E1 0.0200 237PUS G KC=0.0160 $LC=0.00302 $MC=0.00073 $NC+=0.00026 237PU CG ICE(K)=0.04 1. 237PU G 473.5 1 4.3 3 E1 0.0161 237PUS G KC=0.0129 $LC=0.00241 $MC=0.00058 $NC+=0.00021 237PU CG ICE(K)=0.07 2. 237PU L 655.30 20 (5/2)- G 237PU CL J 655.3G M1 to 7/2- state. 237PU E 1.5 LE 7.1 GE 237PUS E CK=0.7355$CL=0.1942$CM+=0.07034 237PU CE IE(to 655.3 level)+IE(to696.2 level)=2.03 17 per 237PU2CE 100 EC decays. 237PU G 655.3 2 1.30 13 M1 0.153 237PUS G KC=0.122 $ LC=0.0239 237PU CG ICE(K)=0.13 2. 237PU L 696.20 22 7/2- G 237PU CL J 648.5G M1 to 9/2- state, 696.2G M1 to 7/2- state. 237PU E 0.53 GE 7.5 LE 237PUS E CK=0.7324$CL=0.1963$CM+=0.071279 8 237PU G 40.748 6 * ? 237PU CG Since no coincidence data were taken between conversion 237PU3CG electrons and GAMMA's, this placement which is based on expectation 237PU4CG of an intraband transition, and from energy fit may be considered 237PU5CG questionable (the authors of 1975Ah05 did not show this second 237PU6CG placement in their decay scheme). 237PU G 648.5 3 0.26 4 M1 0.158 237PUS G KC=0.125 $ LC=0.0246 237PU CG ICE(K) AP 0.03. 237PU G 696.2 3 0.20 4 M1 0.131 237PUS G KC= 0.104 $LC=0.0203 237PU CG ICE(K) AP 0.02. 237PU L 908.90 12 7/2+ H 237PU CL J$435.2G M1 to 7/2+ state, 504.8G M1 to 5/2+ state. 237PU E 4.08 19 6.338 21 237PUS E CK=0.7075$CL=0.21364 3$CM+=0.07890 1 237PU G 435.2 3 0.25 4 M1 0.462 237PUS G KC= 0.365 $LC= 0.0723 $MC=0.0176 $NC+=0.00654 237PU CG ICE(K)=0.10 2. 237PU G 455.8 3 0.09 2 M1 0.407 237PUS G KC= 0.322 $LC= 0.0638 $MC=0.0155 $NC+=0.00577 237PU CG ICE(K) AP 0.03. 237PU G 501.2 3 0.28 4 M1 0.315 237PUS G KC= 0.249 $LC= 0.0493 237PU CG ICE(K)=0.06 2. 237PU G 504.8 3 0.19 4 M1 0.309 237PUS G KC= 0.245 $LC= 0.0483 237PU CG ICE(K)=0.05 2. 237PU G 861.2 3 0.37 4 237PU G 908.8 2 2.60 15 237PU L 1000.6 3 (7/2) 237PU E 0.43 7 7.13 7 237PUS E CK=0.68770 8$CL=0.22732 6$CM+=0.08498 3 237PU G 720.4 5 0.24 5 237PU G 1000.6 3 0.19 5