211PO    211PO IT DECAY (25.3 S)       1998MC03                  13NDS    201306
211PO  H TYP=FUL$AUT=J.K. Tuli, P. Blokhin, J. Kaur, J.Y. Lee and N. Sharma$
211PO2 H CIT=NDS 114, 661 (2013)$CUT=28-FEB-2013$
211PO c  Isomer seen in {+208}Pb({+9}Be,|a2n|g). Measured prompt and delayed |g,
211PO2c  |g|g(t), deduced isomer half-life
211PO DG CC$ FROM BrIcc v2.2 (31-Mar-2008) 2008Ki07, "Frozen Orbitals" appr.
211PO cG M,MR$ From Adopted Gammas
211PO cG RI$I(|g+ce)/(1+|a)
211PO cG TI$from decay scheme. I(|g+ce)(687|g)=I(|g+ce)(377|g).
211PO2cG I|g(1064|g)/I|g(377|g) =100 {I3}/4.6 {I3} from 1998Mc03
211PO cL J,T$ From Adopted Levels
211PO  P 1462      5 (25/2+)           25.3 S    4
211PO  N 1.0          1.0      0.00016 4
211PO PN                                                                     3
211PO  L    0.0        9/2+             0.516 S  3
211PO  L 687.2      4 11/2+
211PO  G 687.1     5    7.4    M1+E2     -0.20   2     0.0536 9  7.8
211POS G KC=0.0438 7$LC=0.00752 12$MC=0.00177 3$
211POS G NC=0.000455 7$OC=9.52E-5 15$PC=1.231E-5 19
211PO  L 1064.8     4 15/2-            14.0 NS   2
211PO  G 377.6     5    4.2     M2                     0.878     7.8
211POS G KC=0.668 10$LC=0.1584 24$MC=0.0390 6$
211POS G NC=0.01011 15$OC=0.00210 3$PC=0.000265 4
211PO  G 1064.9    5    90.8   E3                      0.01499   92.2
211POS G KC=0.01105 16$LC=0.00297 5$MC=0.000736 11$
211POS G NC=0.000190 3$OC=3.86E-5 6$PC=4.55E-6 7
211PO  L 1427.8     7  (17/2+)
211PO  G 363.0     5   98.0    (E1)                    0.0204    100
211POS G KC=0.01668 24$LC=0.00283 4$MC=0.000664 10$
211POS G NC=0.0001697 25$OC=3.48E-5 5$PC=4.26E-6 7
211PO  L 1462       5(25/2+)            25.3 S   4                           M
211PO2 L %A=99.984 4$ %IT=0.016 4$
211PO cL E$from |DQ(|a) of the |a groups from {+211}Po(1462 level) and
211PO2cL {+211}Po(g.s.) to {+207}Pb g.s.
211PO cL J$shell model; T{-1/2} and branching ratio indicate that the unobserved
211PO2cL 34-keV isomeric transition to (17/2+) level is probably an E4 or M4.
211PO cL T$weighted average of 24.2 s {I5} (1974Ba29), 25.5 s {I3} (1962Pe15).
211PO2cL 28 s {I1} (1982Bo04), 25 s {I2} (1962Ka15), 25 s (1954Sp32), 24.9 s 14
211PO3cL (1998Mc03).
211PO cL %A,%IT$measured I|a(7449.3) from {+211}Po g.s. decaying with
211PO2cL T{-1/2}=25.2 s (1989Ku08).
211PO  G 34        5           (E4)                    6.5E6  50   100         S
211POF G FL=1427.8
211PO cG E$|g not observed, deduced from level scheme (1989Ku08).
211PO cG M$ Weisskopf estimates suggest E4 or M4; |DJ|p from shell model
211PO2cG prediction suggests E4