Атомные ядра. Основные характеристики. Варламов В.В - 318 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
318
Cf-243 145 (1/2+) 226363.91 1823.7 7.5 6.5 4.1 10.7 м
e ≈86%,
α ≈14%
Cf-244 146 0+ 227295.94 1831.3 7.5 7.5 4.5 19.4 м α ≤100%
Cf-245 147
(1/2+,
5/2+)
228229.34 1837.5 7.5 6.2 4.6 45.0 м
e 64%,
α 36%
Cf-246 148 0+
229161.54 1844.8 7.5 7.4 5.0
35.7 ч
e <4.0E-3%,
SF 2.5E-4%,
α 100%
Cf-247 149 (7/2+) 230095.08 1850.8 7.5 6.0 5.1 3.11 ч
e 99.97%,
α 0.04%
Cf-248 150 0+ 231027.67 1857.8 7.5 7.0 5.5 333.5 дн
SF 2.9E-3%,
α 100%
Cf-249 151 9/2- 231961.65 1863.4 7.5 5.6 5.6 351 л
SF 5.0E-7%,
α 100%
Cf-250 152 0+ 232894.59 1870.0 7.5 6.6 6.0 13.08 л
α 99.92%,
SF 0.08%
Cf-251 153 1/2+ 233829.05 1875.1 7.5 5.1 6.1 898 л
α 100%,
SF
Cf-252 154 0+ 234762.44 1881.3 7.5 6.2 6.5 2.645 л
α 96.91%,
SF 3.09%
Cf-253 155 (7/2+) 235697.21 1886.1 7.5 4.8 6.5 17.81 дн
β- 99.69%,
α 0.31%
Cf-254 156 0+ 236630.74 1892.1 7.4 6.0 6.8 60.5 дн
SF 99.69%,
α 0.31%
Cf-255 157 (7/2+) 237565.70 1896.7 7.4 4.6 6.9 85 м β- 100%
Cf-256 158 0+
238499.39 1902.6 7.4 5.9
12.3 м
SF 100%,
α ≈1.0E-6%,
β- <1%
Z = 99 эйнштейний
Es-240 141 223572.17 1795.5 7.5 1.2 1 с
e?,
α?
Es-241 142 224503.31 1803.9 7.5 8.4 1.5 8 с
α,
e
Es-242 143 225435.96 1810.8 7.5 6.9 1.7 13.5 с
α >0%,
e >0% 
                         Масса
                                    Eсв,     ε, Bn, Bp ,           T1/2, Г,
XX-A-m   N      JP       ядра,                                                Моды распада
                                    MэВ     MэВ MэВ MэВ           распр-ть
                         MэВ
                                                                                e ≈86%,
Cf-243   145 (1/2+)     226363.91 1823.7        7.5   6.5   4.1    10.7 м
                                                                                α ≈14%

Cf-244   146    0+      227295.94 1831.3        7.5   7.5   4.5    19.4 м       α ≤100%

               (1/2+,                                                           e 64%,
Cf-245   147            228229.34 1837.5        7.5   6.2   4.6    45.0 м
               5/2+)                                                            α 36%
                                                                              e <4.0E-3%,
Cf-246   148    0+      229161.54 1844.8        7.5   7.4   5.0    35.7 ч     SF 2.5E-4%,
                                                                                α 100%
                                                                               e 99.97%,
Cf-247   149 (7/2+)     230095.08 1850.8        7.5   6.0   5.1    3.11 ч
                                                                                α 0.04%
                                                                              SF 2.9E-3%,
Cf-248   150    0+      231027.67 1857.8        7.5   7.0   5.5   333.5 дн
                                                                                α 100%
                                                                              SF 5.0E-7%,
Cf-249   151   9/2-     231961.65 1863.4        7.5   5.6   5.6    351 л
                                                                                α 100%
                                                                               α 99.92%,
Cf-250   152    0+      232894.59 1870.0        7.5   6.6   6.0   13.08 л
                                                                               SF 0.08%
                                                                                α 100%,
Cf-251   153   1/2+     233829.05 1875.1        7.5   5.1   6.1    898 л
                                                                                   SF
                                                                               α 96.91%,
Cf-252   154    0+      234762.44 1881.3        7.5   6.2   6.5   2.645 л
                                                                               SF 3.09%
                                                                               β- 99.69%,
Cf-253   155 (7/2+)     235697.21 1886.1        7.5   4.8   6.5   17.81 дн
                                                                                α 0.31%
                                                                              SF 99.69%,
Cf-254   156    0+      236630.74 1892.1        7.4   6.0   6.8   60.5 дн
                                                                               α 0.31%

Cf-255   157 (7/2+)     237565.70 1896.7        7.4   4.6   6.9    85 м         β- 100%

                                                                               SF 100%,
Cf-256   158    0+      238499.39 1902.6        7.4   5.9          12.3 м     α ≈1.0E-6%,
                                                                                β- <1%
                                 Z = 99    эйнштейний
                                                                                  e?,
Es-240   141            223572.17 1795.5        7.5         1.2     1с
                                                                                  α?
                                                                                   α,
Es-241   142            224503.31 1803.9        7.5   8.4   1.5     8с
                                                                                   e
                                                                                α >0%,
Es-242   143            225435.96 1810.8        7.5   6.9   1.7    13.5 с
                                                                                e >0%




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