Атомные ядра. Основные характеристики. Варламов В.В - 299 стр.

UptoLike

XX-A-m N JP
Масса
ядра,
MэВ
E
св
,
MэВ
ε,
MэВ
B
n
,
MэВ
B
p
,
MэВ
T
1/2
, Г,
распр-ть
Моды распада
299
Fr-212 125 5+ 197428.73 1646.6 7.8 7.5 2.1 20.0 м
e 57%,
α 43%
Fr-213 126 9/2- 198360.22 1654.7 7.8 8.1 2.2 34.82 с
α 99.44%,
e 0.56%
Fr-214 127 (1-) 199294.30 1660.2 7.8 5.5 2.5 5.0 мс α 100%
Fr-214-m
127 (8-) 199294.42 1660.1 7.8 3.35 мс α 100%
Fr-215 128 9/2- 200227.07 1667.0 7.8 6.8 2.7 86 нс α 100%
Fr-216 129 (1-) 201161.23 1672.4 7.7 5.4 3.1 0.70 ас
e <2.0E-7%,
α 100%
Fr-216-m
129 (3-) 201161.36 1672.3 7.7 71 нс α >50%
Fr-217 130 9/2- 202094.06 1679.1 7.7 6.7 3.2 19 ас α 100%
Fr-218 131 1- 203028.29 1684.5 7.7 5.3 3.9 1.0 мс α 100%
Fr-218-m
131 203028.38 1684.4 7.7 22.0 мс
α 100%,
IT
Fr-219 132 9/2- 203961.35 1691.0 7.7 6.5 3.9 20 мс α 100%
Fr-220 133 1+ 204895.71 1696.2 7.7 5.2 4.6 27.4 с
α 99.65%,
β- 0.35%
Fr-221 134 5/2- 205829.00 1702.5 7.7 6.3 4.6 4.9 м
α 100%,
β- <0.10%
Fr-222 135 2- 206763.56 1707.5 7.7 5.0 5.4 14.2 м β- 100%
Fr-223 136 3/2(-) 207697.09 1713.5 7.7 6.0 5.3 22.00 м
α 6.0E-3%,
β- 99.99%
Fr-224 137 1- 208631.86 1718.3 7.7 4.8 5.9 3.33 м β- 100%
Fr-225 138 3/2- 209565.50 1724.2 7.7 5.9 5.9 3.95 м β- 100%
Fr-226 139 1- 210500.56 1728.7 7.6 4.5 6.4 49 с β- 100%
                        Масса
                                 Eсв,      ε, Bn, Bp ,        T1/2, Г,
XX-A-m    N     JP      ядра,                                            Моды распада
                                 MэВ      MэВ MэВ MэВ        распр-ть
                        MэВ
                                                                           e 57%,
 Fr-212   125   5+     197428.73 1646.6    7.8   7.5   2.1   20.0 м
                                                                           α 43%
                                                                          α 99.44%,
 Fr-213   126   9/2-   198360.22 1654.7    7.8   8.1   2.2   34.82 с
                                                                           e 0.56%

 Fr-214   127   (1-)   199294.30 1660.2    7.8   5.5   2.5   5.0 мс        α 100%

Fr-214-m 127    (8-)   199294.42 1660.1    7.8               3.35 мс       α 100%

 Fr-215   128   9/2-   200227.07 1667.0    7.8   6.8   2.7    86 нс        α 100%

                                                                         e <2.0E-7%,
 Fr-216   129   (1-)   201161.23 1672.4    7.7   5.4   3.1   0.70 ас
                                                                           α 100%

Fr-216-m 129    (3-)   201161.36 1672.3    7.7                71 нс        α >50%

 Fr-217   130   9/2-   202094.06 1679.1    7.7   6.7   3.2    19 ас        α 100%

 Fr-218   131   1-     203028.29 1684.5    7.7   5.3   3.9   1.0 мс        α 100%

                                                                          α ≤100%,
Fr-218-m 131           203028.38 1684.4    7.7               22.0 мс
                                                                             IT

 Fr-219   132   9/2-   203961.35 1691.0    7.7   6.5   3.9    20 мс        α 100%

                                                                          α 99.65%,
 Fr-220   133   1+     204895.71 1696.2    7.7   5.2   4.6    27.4 с
                                                                          β- 0.35%
                                                                           α 100%,
 Fr-221   134   5/2-   205829.00 1702.5    7.7   6.3   4.6    4.9 м
                                                                          β- <0.10%

 Fr-222   135   2-     206763.56 1707.5    7.7   5.0   5.4   14.2 м        β- 100%

                                                                          α 6.0E-3%,
 Fr-223   136 3/2(-)   207697.09 1713.5    7.7   6.0   5.3   22.00 м
                                                                          β- 99.99%

 Fr-224   137   1-     208631.86 1718.3    7.7   4.8   5.9   3.33 м        β- 100%

 Fr-225   138   3/2-   209565.50 1724.2    7.7   5.9   5.9   3.95 м        β- 100%

 Fr-226   139   1-     210500.56 1728.7    7.6   4.5   6.4     49 с        β- 100%




                                    299