148CE 148LA B- DECAY 1983GI04 26NDS 202601
148CE H TYP=FUL$AUT=N. NICA$CIT=NDS 208, 1 (2026)$CUT=17-Jan-2026$
148CE c 1983Gi04: {+148}La produced at TRISTAN mass separator facility
148CE2c through {+235}U(n{-th},F) reaction at High Flux Beam Reactor (HFBR) at
148CE2c Brookhaven National Laboratory (BNL) at a flux of about
148CE2c 1.5|*10{+10} neutrons/(cm{+2}s). Used moving tape, HPGe and Ge(Li)
148CE2c detectors. Measured |g, ce, |g|g, |g|g(t), |g|g(|q) at six angles:
148CE2c 15\|', 30\|', 45\|', 60\|', 75\|', and 90\|'.
148CE c Others: |g, ce, |g|g, |g|g(t), |g|g(|q) (1982PfZZ),
148CE2c |g|g(|q,H), |b, |b|g (1982Br23)
148CE c |b{+-} feeding was determined assuming no |b{+-} decay to g.s.
148CE c Decay scheme is that of 1983Gi04 and is incomplete.
148CE cB IB$From 1983Gi04 (who assumed no g.s. |b{+-} feeding) slightly adjusted
148CE2cB by evaluator because of slightly different conversion coefficients
148CE2cB (the intensities of uncertain gammas were included in the intensity
148CE2cB balances). However because of large Q(|b{+-}), |b{+-} decay
148CE2cB may populate many >2550 levels of {+148}Ce. Possible |g's from these
148CE3cB levels (unobserved yet) may change the adopted balance of intensity
148CE4cB for observed levels. Therefore, the adopted I|b should be considered as
148CE5cB an upper limit of real I|b, and log| {Ift} as a lower limit of real
148CE6cB values of log| {Ift}
148CE cL E$From a least-squares fit to E|g data (reduced |h{+2}=2.1>
148CE2cL critical |h{+2}=1.8)
148CE cL J,T$Adopted values
148CE dG CC$From BrIcc v2.3e (17-Jun-2020) 2008Ki07, "Frozen Orbitals" appr.
148CE DB EAV,LOGFT$FROM BetaShape v2.4 (Jun-2024) 2023MO21.
148LA P 0.0 (2-) 1.34 S 7 7690 22
148LA cP QP$From 2021Wa16
148CE N 0.0557 101.0 1.0 1.0
148CE cN NR from |SI(|g+ce)(g.s.)=100 and assuming no |b{+-} feeding to
148CExcN g.s.
148CE PN 3
148CE G 921.31 1310 2
148CE2 G %IG=0.56 12
148CE G 2031.17 2021 2
148CE2 G %IG=1.17 11
148CE G 2219.89 2527 2
148CE2 G %IG=1.50 12
148CE L 0.0 0+ 56.8 S 3
148CE L 158.467 5 2+ 0.97 NS 2
148CE2 L G=0.37 6 (1986Gi05)
148CE cL G from |g|g(|q,H)
148CE B 12.4 6.3
148CES B EAV=3341 10
148CE G 158.468 5 1000 20E2 0.407 6 N
148CES G KC=0.293 4$LC=0.0896 13$MC=0.01972 28
148CES G NC=0.00425 6$OC=0.000618 9$PC=1.713E-5 24
148CE2 G %IG=55.7 4
148CE cG M from adopted |g's
148CE cG E from 1979Bo26
148CE L 453.45 5 4+ 1.2 NS LT
148CE B 1.8 9.1 1U
148CES B EAV=3170 10
148CE G 295.07 9 120 2[E2] 0.0513 7
148CES G KC=0.0412 6$LC=0.00802 11$MC=0.001726 24
148CES G NC=0.000376 5$OC=5.71E-5 8$PC=2.71E-6 4
148CE2 G %IG=6.68 16
148CE L 760.32 4 (1-)
148CE cL J 1- preferred; 1+,2+ are possible
148CE B 14.0 6.1
148CES B EAV=3060 10
148CE G 601.88 6137 2
148CE2 G %IG=7.63 17
148CE G 760.30 6154 7 N
148CE2 G %IG=8.6 4
148CE L 770.43 6 0+
148CE cL J$from |g(|q) of the 612|g-158|g cascade identifying unambiguously
148CE2cL spins 0+->2+->0+ for 770, 158 and g.s. levels based on measured
148CE2cL A{-2}=0.22 {I9}, A{-4}=1.02 {I17} compared with theoretical values
148CE2cL A{-2}=0.357, A{-4}=1.143 (1983Gi04)
148CE B 1.6 9.1 1U
148CES B EAV=3021 10
148CE G 611.81 752 1E2 0.00634 9
148CES G KC=0.00534 7$LC=0.000790 11$MC=0.0001665 23
148CES G NC=3.67E-5 5$OC=5.80E-6 8$PC=3.81E-7 5
148CE2 G %IG=2.90 8
148CE cG M$from |g|g(|q) and syst for |b-vibrational levels in A|?150
148CE2cG deformed nuclei
148CE L 841.39 5 (3-)
148CE cL J 3- preferred; 2+,3+,4+ are possible
148CE B 6.8 6.4
148CES B EAV=3022 10
148CE G 387.92 1025 1
148CE2 G %IG=1.39 6
148CE G 682.97 6116 9
148CE2 G %IG=6.5 5
148CE L 935.59 5 (2+)
148CE cL J 2+ preferred; 3,4+ are possible
148CE B 5.3 6.4
148CES B EAV=2978 10
148CE G 482.19 717 1
148CE2 G %IG=0.95 6
148CE G 777.16 6129 2
148CE2 G %IG=7.18 17
148CE L 989.90 4 (2+)
148CE cL J 2+
148CE B 10.6 6.1
148CES B EAV=2952 10
148CE G 54.24 0.50 17 S
148CE cG RI if E2 (|a|?18) I|g|?0.5, if M1 (|a|?7) I|g|?1.3
148CE cG TI from |g|g coin data
148CE G 536.38 169 1
148CE2 G %IG=0.50 +7-6
148CE G 831.33 693 5
148CE2 G %IG=5.18 29
148CE G 989.85 6168 5 N
148CE2 G %IG=9.35 30
148CE L 1116.62 5 (3+)
148CE cL J 3+ preferred; 2+,3-,4+ are possible
148CE B 2.4 6.7
148CES B EAV=2893 10
148CE G 663.20 7 27 1
148CE2 G %IG=1.50 6
148CE G 958.23 671 1
148CE2 G %IG=3.95 9
148CE L 1223.98 11(4+)
148CE cL J 4+ preferred; 2+,3 are possible
148CE B 0.5 9.4 1U
148CES B EAV=2808 10
148CE dB log| {If{+1u}t}=9.13 {I7}
148CE G 770.53 109 1
148CE2 G %IG=0.50 +7-6
148CE L 1368.89 5 (4+)
148CE B 6.4 8.2 1U
148CES B EAV=2740 10
148CE G 252.45 730 2
148CE2 G %IG=1.67 12
148CE G 378.93 4 71 7
148CE2 G %IG=4.0 4
148CE cG E from 1979Bo26
148CE G 433.32 820 1
148CE2 G %IG=1.11 6
148CE L 1415.61 7
148CE B 2.3 6.7
148CES B EAV=2753 10
148CE G 298.81 1413 1
148CE2 G %IG=0.72 6
148CE G 425.68 818 1
148CE2 G %IG=1.00 6
148CE G 1257.42 1411 1
148CE2 G %IG=0.61 6
148CE L 1456.88 25 ?
148CE B 0.8 7.1
148CES B EAV=2734 10
148CE G 1298.46 2515 1 ?
148CE2 G %IG=0.84 6
148CE L 1486.07 9 (4-)
148CE B 0.7 9.1
148CES B EAV=2685 10
148CE G 369.45 812 1
148CE2 G %IG=0.67 6
148CE L 1497.07 7 (2+,1)
148CE B 2.4 6.6
148CES B EAV=2715 10
148CE G 1338.64 832 2
148CE2 G %IG=1.78 12
148CE G 1496.97 1211 1 N
148CE2 G %IG=0.61 6
148CE L 1554.76 9
148CE B 1.2 6.9
148CES B EAV=2688 10
148CE G 713.37 129 1
148CE2 G %IG=0.50 +7-6
148CE G 794.44 1113 1
148CE2 G %IG=0.72 6
148CE L 1558.51 16 ?
148CE B 0.3 7.5
148CES B EAV=2686 10
148CE G 1105.06 156 1
148CE2 G %IG=0.33 6
148CE L 1584.00 12 ?
148CE B 0.9 7.0
148CES B EAV=2674 10
148CE G 1425.58 1116 1 ?
148CE2 G %IG=0.89 6
148CE L 1589.91 6 (2+,1)
148CE B 4.3 6.3
148CES B EAV=2672 10
148CE G 654.53 1114 4
148CE2 G %IG=0.78 24
148CE G 819.28 824 6
148CE2 G %IG=1.3 4
148CE G 1431.56 1024 1
148CE2 G %IG=1.34 6
148CE G 1589.93 1315 1 N
148CE2 G %IG=0.84 6
148CE L 1622.78 12 ?
148CE B 0.9 7.0
148CES B EAV=2656 10
148CE G 1464.36 1116 1 ?
148CE2 G %IG=0.89 6
148CE L 1625.98 10 ?
148CE B 0.3 7.5
148CES B EAV=2655 10
148CE G 257.09 9 6 1
148CE2 G %IG=0.33 6
148CE L 1728.39 11
148CE B 1.2 6.8
148CES B EAV=2607 10
148CE G 887.12 128 1
148CE2 G %IG=0.45 +7-6
148CE G 967.4 4 7 2
148CE2 G %IG=0.39 12
148CE G 1569.65 257 2
148CE2 G %IG=0.39 12
148CE L 1891.20 8 (2+,1)
148CE B 3.0 6.4
148CES B EAV=2531 10
148CE G 1130.95 1019 2
148CE2 G %IG=1.06 13
148CE G 1732.67 1612 1
148CE2 G %IG=0.67 6
148CE G 1891.02 1722 1 N
148CE2 G %IG=1.23 6
148CE L 1927.69 21 ?
148CE B 0.9 6.9
148CES B EAV=2513 10
148CE G 1769.27 2116 2 ?
148CE2 G %IG=0.89 13
148CE L 2144.48 15
148CE B 2.6 6.4
148CES B EAV=2412 10
148CE G 1303.30 302 2
148CE2 G %IG=0.11 11
148CE G 1985.93 1744 1
148CE2 G %IG=2.45 7
148CE L 2153.67 14(2+,1)
148CE B 4.0 6.2
148CES B EAV=2408 10
148CE G 1995.23 1659 2
148CE2 G %IG=3.29 13
148CE G 2153.56 2313 2 N
148CE2 G %IG=0.72 11
148CE L 2192.37 24 ?
148CE B 0.7 6.9
148CES B EAV=2390 10
148CE G 2033.95 2412 2 ?
148CE2 G %IG=0.67 12
148CE L 2252.23 14
148CE B 7.5 5.9
148CES B EAV=2362 10
148CE G 1316.69 188 1
148CE2 G %IG=0.45 +7-6
148CE G 2093.66 21126 2
148CE2 G %IG=7.02 16
148CE L 2550.36 21(2+,1)
148CE B 4.2 6.0
148CES B EAV=2222 10
148CE G 2391.94 2270 5
148CE2 G %IG=3.90 29
148CE G 2549.8 6 6 4 N
148CE2 G %IG=0.33 22