Nuclear Wallet Card - Z( 87)


   Isotope[1]              delta      T1/2 or
  Z   El   A    Jpi[2]     (MeV)[3]   Abundance[4]   Decay Mode[5]
 === === ====   =======   =========  =============  =====================
  87 Fr  201    (9/2-)      3.7s       48 ms 15     A,EC < 1%
         202     (3+)       3.1s       0.34 s 4     A <= 97%,EC >= 3%
         202M   (10-)       3.2s       ~ 0.34 s     A <= 94%,EC >= 6%
         203    (9/2-)      1.0s       0.55 s 2     A ~ 95%,EC ~ 5%
         204     (3+)       0.6        1.7 s 3      A ~ 80%,EC ~ 20%
         204M    (7+)       0.6        2.6 s 3      A
         204M   (10-)       0.9         ~ 1 s       A,IT
         205    (9/2-)     -1.2       3.85 s 10     A,EC < 1%
         206   (2+,3+)     -1.4        15.9 s 2     A ,EC
         206M    (7+)      -1.4        15.9 s ?     A <= 84%
         206M   (10-)      -0.7        0.7 s 1      A ,IT ?%
         207     9/2-      -2.93       14.8 s 1     A 95%,EC 5%
         208      7+       -2.67       59.1 s 3     A 90%,EC 10%
         209     9/2-      -3.80       50.0 s 3     A 89%,EC 11%
         210      6+       -3.35       3.18 m 6     A 60%,EC 40%
         211     9/2-      -4.16       3.10 m 2     A > 80%,EC < 20%
         212      5+       -3.56       20.0 m 6     EC 57%,A 43%
         213     9/2-     -3.564       34.6 s 3     A 99.45%,EC 0.55%
         214     (1-)     -0.974       5.0 ms 2     A
         214M    (8-)     -0.852      3.35 ms 5     A
         215     9/2-      0.304       86 NS 5      A
         216     (1-)      2.97       0.70 us 2     A,EC <2E-07%
         217     9/2-      4.301       16 us 2      A
         218     (1-)      7.046       1.0 ms 6     A
         218M              7.132      22.0 ms 5     A
         219     9/2-      8.608       20 ms 2      A
         220      1+      11.469       27.4 s 3     A 99.65%,B- 0.35%
         221     5/2-     13.269       4.9 m 2      A,B- < 0.1%,14C 9E-13%
         222      2-       16.34       14.2 m 3     B-
         223    3/2(-)    18.379      22.00 m 7     B- 99.99%,A 6.0E-3%
         224     1(-)      21.64      3.30 m 10     B-
         225     3/2-      23.85       4.0 m 2      B-
         226      1        27.3         48 s 1      B-
         227     1/2+      29.66       2.47 m 3     B-
         228      2-       33.3         39 s 1      B-
         229    (1/2+)    36.159C      50.2 s 4     B-
         230              40.011C      19.1 s 5     B-
         231              43.025C      17.5 s 8     B-
         232                            5 s 1       B-
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