Атомные ядра. Основные характеристики. Варламов В.В - 309 стр.

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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
309
U-226 134 0+ 210497.96 1724.8 7.6 8.1 4.3 0.35 с α 100%
U-227 135 (3/2+) 211431.15 1731.2 7.6 6.4 4.3 1.1 м α 100%
U-228 136 0+ 212362.84 1739.1 7.6 7.9 4.9 9.1 м
α >95%,
e <5%
U-229 137 (3/2+) 213296.32 1745.2 7.6 6.1 5.0 58 м
e 80%,
α 20%
U-230 138 0+ 214228.22 1752.8 7.6 7.7 5.6 20.8 дн
22Ne
5E-12%,
SF <1E-10%,
α 100%
U-231 139 (5/2-) 215161.91 1758.7 7.6 5.9 5.7 4.2 дн
α 4.0E-3%,
e 100%
U-232 140 0+ 216094.21 1766.0 7.6 7.3 6.1 68.9 л
α 100%,
SF 9E-20%
U-233 141 5/2+
217028.01 1771.8 7.6 5.8 6.3 1.592E+5 л
24Ne
9E-10%,
SF <6.0E-9%,
α 100%,
28Mg
<1.E-13%
U-234 142 0+
217960.73 1778.6 7.6 6.8 6.6
0.0054%
2.455E+5 л
α 100%,
SF 1.6E-9%,
Ne 9E-12%,
Mg 1E-11%
U-235 143 7/2- 218895.00 1783.9 7.6 5.3 6.7
0.7204%
7.04E+8 л
28Mg
8.E-10%,
Ne 8.E-10%,
SF 7.0E-9%,
α 100%
U-235-m
143 1/2+ 218895.00 1783.9 7.6 26 м
IT 100%
U-236 144 0+ 219828.02 1790.4 7.6 6.5 7.2
2.342E7 л
SF 9.4E-8%,
α 100%
U-236-m
144 (0+)
219830.77 1787.7 7.6
120 нс
IT 87%,
SF 13%,
α <10%
                       Масса
                                Eсв,      ε, Bn, Bp ,         T1/2, Г,
XX-A-m   N     JP      ядра,                                             Моды распада
                                MэВ      MэВ MэВ MэВ         распр-ть
                       MэВ

U-226    134   0+     210497.96 1724.8    7.6   8.1   4.3     0.35 с       α 100%

U-227    135 (3/2+)   211431.15 1731.2    7.6   6.4   4.3     1.1 м        α 100%

                                                                           α >95%,
U-228    136   0+     212362.84 1739.1    7.6   7.9   4.9     9.1 м
                                                                            e <5%
                                                                           e ≈80%,
U-229    137 (3/2+)   213296.32 1745.2    7.6   6.1   5.0     58 м
                                                                           α ≈20%
                                                                            22Ne
                                                                           5E-12%,
U-230    138   0+     214228.22 1752.8    7.6   7.7   5.6    20.8 дн
                                                                         SF <1E-10%,
                                                                           α 100%
                                                                         α ≈4.0E-3%,
U-231    139 (5/2-)   215161.91 1758.7    7.6   5.9   5.7     4.2 дн
                                                                           e 100%
                                                                           α 100%,
U-232    140   0+     216094.21 1766.0    7.6   7.3   6.1     68.9 л
                                                                          SF 9E-20%
                                                                         24Ne
                                                                       9E-10%,
                                                                     SF <6.0E-9%,
U-233    141   5/2+   217028.01 1771.8    7.6   5.8   6.3 1.592E+5 л
                                                                        α 100%,
                                                                         28Mg
                                                                       <1.E-13%
                                                                        α 100%,
                                                             0.0054% SF 1.6E-9%,
U-234    142   0+     217960.73 1778.6    7.6   6.8   6.6
                                                            2.455E+5 л Ne 9E-12%,
                                                                       Mg 1E-11%
                                                                        28Mg
                                                                      8.E-10%,
                                                           0.7204%
U-235    143   7/2-   218895.00 1783.9    7.6   5.3   6.7           Ne ≈8.E-10%,
                                                          7.04E+8 л
                                                                    SF 7.0E-9%,
                                                                       α 100%

U-235-m 143    1/2+   218895.00 1783.9    7.6                 26 м ≈       IT 100%

                                                                         SF 9.4E-8%,
U-236    144   0+     219828.02 1790.4    7.6   6.5   7.2 2.342E7 л
                                                                           α 100%
                                                                           IT 87%,
U-236-m 144    (0+)   219830.77 1787.7    7.6                120 нс        SF 13%,
                                                                           α <10%




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