Nuclear Wallet Card - Z( 91)


   Isotope[1]              delta      T1/2 or
  Z   El   A    Jpi[2]     (MeV)[3]   Abundance[4]   Decay Mode[5]
 === === ====   =======   =========  =============  =====================
  91 Pa  213                        5.3 ms +40-16   A
         214                           17 ms 3      A
         215               17.7        15 ms 4      A
         216               17.71      105 ms 12     A ~ 80%,EC ~ 20%
         217               17.04       3.4 ms 2     A
         217M              18.89       1.5 ms 2     A
         218               18.64      0.11 ms 2     A
         219     9/2-      18.52       53 NS 10     A
         220               20.37      0.78 us 16    A ?%
         221     9/2-      20.37      5.9 us 17     A
         222               22.05s      3.3 ms 3     A
         223               22.32        5 ms 1      A
         224               23.86      0.95 s 15     A 99.9%,EC 0.1%
         225               24.33       1.7 s 2      A
         226               26.01       1.8 m 2      A 74%,EC 26%
         227    (5/2-)    26.821       38.3 m 3     A 85%,EC 15%
         228     (3+)     28.874        22 h 1      EC 98.15%,A 1.85%
         229    (5/2+)    29.895       1.50 d 5     EC 99.52%,A 0.48%
         230     (2-)     32.166       17.4 d 5     EC 91.6%,B- 8.4%
                                                    A 3.2E-3%
         231     3/2-     33.420     32760 y 110    A,SF <=3.0E-10%
         232     (2-)     35.938       1.31 d 2     B-,EC 3.0E-3%
         233     3/2-     37.483      26.967 d 2    B-
         234      4+      40.337       6.70 h 5     B-
         234M    (0-)     40.411       1.17 m 3     B- 99.84%,IT 0.16%
         235    (3/2-)     42.32       24.5 m 2     B-
         236     1(-)      45.3        9.1 m 1      B-
         237    (1/2+)     47.64       8.7 m 2      B-
         238     (3-)      50.76       2.3 m 1      B-,SF <2.6E-6%
Previous Next Up