237U 237PA B- DECAY 1974KA05 06NDS 200608 237U H TYP=FUL$AUT=M. S. Basunia$CIT=NDS 107, 3323 (2006)$CUT=15-Mar-2006$ 237U C 237PA sources were produced from 238U(N,PN) and 238U(G,P) reactions 237U 2C with 14-MeV neutrons and 21-MeV bremsstrahlung, respectively; 237U 3C Detector: several (number not available) Ge(Li) detectors, proportional 237U 4C counter; Measured: EG, IG, GG coin. 237U C See 1962Ve05 for the calculations of LOGFT value for the n 3/2[631] to 237U 2C p 1/2[530] first-forbidden BETA transition. 237U CB IB BETA feedings have been deduced from intensity balance 237U 2CB at each level. 237U CG E,RI From 1974Ka05. 237U CG M Assigned by the evaluator from the level scheme. 237U CL E(A) 1/2[631] band member. 237U CL E(B) K=1/2 band member. 237U CL E(D) K=1/2 band member. 237U CL E(C) 1/2[501] band member. 237U CL J From adopted levels. 237PA P 0.0 (1/2+) 8.7 M 2 225E+1 10 237U N 0.341 34 1.0 1.0 237U CN NR Normalization factor of 0.34 4 to convert the relative 237U 2CN GAMMA intensities to absolute intensities was deduced by 1974Ka05 237U 3CN from their measurement of absolute photon intensity: 237U 4CN SUMOF IG(498.7 LE EG LE 554.9)=28.3% 237U PN 3 237U G 701.0 5 0.4 2 237U L 0.0 1/2+ 6.75 D 1 A 237U B 2.25E+3 10 19 10 7.06 24 237U S B EAV=813 41 237U CB IB deduced from transition intensities of 237U 2CB gammas feeding the GS band. IB=19% 10 is for the total BETA feeding 237U 3CB the GS and the 11.3-KEV level. 237U CB E from 1974Ka05. 237U L 11.3 3 3/2+ A 237U B 237U L 56.2 3 5/2+ A 237U G 45.0 5 0.052 22 166 65 237U S G LC=122 54 $ MC=33 15 237U CG RI TI=8.7 11 obtained from intensity balance at the 56.2-KEV 237U 2CG level and CC=166 65 deduced in 242PU A DECAY yield RI=0.052 22. 237U 3CG The 45.0-KEV peak in GAMMA spectrum of 1974Ka05 included a 236PA GAMMA. 237U 4CG The 237PA and 236PA contributions could not be determined (1974Ka05). 237U CG EG=44.86 10 is adopted from 241PU A DECAY. 237U L 540.7 2 1/2- B 237U B 24 3 6.51 11 237U S B EAV=595 40 237U CB E(B-)=1508 was measured in coincidence with the 529- 237U 2CB and 541-KEV GAMMA's (1982GiZX (unpublished)). 237U G 529.4 2 44 4 [E1] 0.0121 237U S G KC=0.0094 $ LC=0.00168 237U G 540.7 2 27 3 [E1] 0.0116 237U S G KC=0.0093 $ LC=0.00166 237U L 554.9 2 3/2- B 237U B 0.9 9 7.9 5 237U S B EAV=589 40 237U G 498.7 2 7.1 9 [E1] 0.0136 237U S G KC=0.0110 $ LC=0.0019 $ MC=0.00047 $ NC+=0.00017 237U G 543.6 5 0.7 3 [E1] 0.0115 237U S G KC=0.0093 $LC=0.00166 237U G 554.9 2 4.5 5 [E1] 0.0110 237U S G KC=0.0089 $ LC=0.00159 237U L 734.0 2 (1/2-) D 237U B 2.1 5 7.38 15 237U S B EAV=518 40 237U G 179.1 2 0.5 1 [M1,E2] 2.8 17 237U CG CC(E2)=1.16, CC(M1)=4.50. 237U S G KC=1.9 17 $ LC=0.704 6 $ MC=0.067 6 237U G 722.6 2 2.4 4 [E1] 0.00673 237U G 734.0 2 1.9 4 [E1] 0.00654 237U L 865.0 2 1/2- C 237U B 53 6 5.83 13 237U S B EAV=467 39 237U CB E(B-)=1216 was measured in coincidence with the 237U 2CB 865-KEV GAMMA (1982GiZX (unpublished)). 237U G 310.1 2 5.1 7 [M1,E2] 0.57 40 237U CG CC CC(M1)=0.973, CC(E2)=0.174. 237U S G KC=0.42 35 $ LC=0.11 4 $ MC=0.028 8 $ NC+=0.010 3 237U G 853.7 2 100 [E1] 0.00497 237U S G KC=0.00405 $ LC=0.00069 237U G 865.0 2 46 5 [E1] 0.00486 237U S G KC=0.00395 $LC=0.00068 237U CG RI(865G)/RI(853G)=0.23 12 was measured in (N,G), a factor 237U 2CG of 2 smaller than the value given here. 237U L 903.3 6 (3/2-) C 237U B 0.51 18 7.81 20 237U S B EAV=452 39 237U G 847.1 5 1.5 5 [E1] 0.00504 237U L 1344.7 5 (1/2-) 237U B 0.27 11 7.48 25 237U S B EAV=287 37 237U G 1333.2 5 0.50 25 237U G 1344.8 5 0.30 15 237U L 1407.4 5 (1/2+) 237U B 0.27 11 7.4 3 237U S B EAV=264 37 237U G 1395.9 5 0.50 25 237U G 1407.5 5 0.30 15