Атомные ядра. Основные характеристики. Варламов В.В - 319 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
319
Es-243 144 226367.23 1819.1 7.5 8.3 1.8 21 с
e ≤70%,
α ≥30%
Es-244 145 227299.98 1826.0 7.5 6.8 2.2 37 с
e 96%,
α 4%
Es-245 146 (3/2-) 228231.88 1833.6 7.5 7.7 2.3 1.1 м
e 60%,
α 40%
Es-246 147 229164.84 1840.2 7.5 6.6 2.8 7.7 м
e 3.0E-3%,
e 90.10%,
α 9.90%
Es-247 148 (7/2+) 230097.04 1847.6 7.5 7.4 2.8 4.55 м
e ≈93%,
α ≈7%
Es-247-m
148 230097.04 1847.6 7.5 625 дн α
Es-248 149 (2-,0+) 231030.22 1854.0 7.5 6.4 3.1 27 м
e 99.70%,
α ≈0.25%
Es-249 150 7/2+ 231962.60 1861.2 7.5 7.2 3.3 102.2 м
e 99.43%,
α 0.57%
Es-250 151 (6+) 232896.14 1867.2 7.5 6.0 3.8 8.6 ч
e >97%,
α <3%
Es-250-m
151 1(-) 232896.14 1867.2 7.5 2.22 ч e ≤100%
Es-251 152 (3/2-) 233828.92 1874.0 7.5 6.8 3.9 33 ч
e 99.50%,
α 0.50%
Es-252 153 (5-) 234763.19 1879.3 7.5 5.3 4.1 471.7 дн
e 22%,
α 78%
Es-253 154 7/2+ 235696.41 1885.6 7.5 6.3 4.3 20.47 дн
SF 8.7E-6%,
α 100%
Es-254 155 (7+) 236630.88 1890.7 7.4 5.1 4.6 275.7 дн
SF <3.0E-6%,
α ≈100%,
β- 1.7E-4%,
e
Es-254-m
155 2+
236630.96 1890.6 7.4
39.3 ч
β- 98%,
IT <3%,
α 0.32%,
e 0.08%,
SF <0.05% 
                       Масса
                                Eсв,      ε, Bn, Bp ,        T1/2, Г,
XX-A-m   N     JP      ядра,                                            Моды распада
                                MэВ      MэВ MэВ MэВ        распр-ть
                       MэВ
                                                                          e ≤70%,
Es-243   144          226367.23 1819.1    7.5   8.3   1.8     21 с
                                                                          α ≥30%
                                                                          e 96%,
Es-244   145          227299.98 1826.0    7.5   6.8   2.2     37 с
                                                                           α 4%
                                                                          e 60%,
Es-245   146 (3/2-)   228231.88 1833.6    7.5   7.7   2.3    1.1 м
                                                                          α 40%
                                                                         e 3.0E-3%,
Es-246   147          229164.84 1840.2    7.5   6.6   2.8    7.7 м       e 90.10%,
                                                                          α 9.90%
                                                                          e ≈93%,
Es-247   148 (7/2+)   230097.04 1847.6    7.5   7.4   2.8    4.55 м
                                                                           α ≈7%

Es-247-m 148          230097.04 1847.6    7.5               625 дн           α

                                                                         e 99.70%,
Es-248   149 (2-,0+) 231030.22 1854.0     7.5   6.4   3.1    27 м
                                                                         α ≈0.25%
                                                                         e 99.43%,
Es-249   150   7/2+   231962.60 1861.2    7.5   7.2   3.3   102.2 м
                                                                          α 0.57%
                                                                          e >97%,
Es-250   151   (6+)   232896.14 1867.2    7.5   6.0   3.8    8.6 ч
                                                                           α <3%

Es-250-m 151   1(-)   232896.14 1867.2    7.5                2.22 ч       e ≤100%

                                                                         e 99.50%,
Es-251   152 (3/2-)   233828.92 1874.0    7.5   6.8   3.9     33 ч
                                                                          α 0.50%
                                                                          e 22%,
Es-252   153   (5-)   234763.19 1879.3    7.5   5.3   4.1   471.7 дн
                                                                          α 78%
                                                                        SF 8.7E-6%,
Es-253   154   7/2+   235696.41 1885.6    7.5   6.3   4.3   20.47 дн
                                                                          α 100%
                                                                        SF <3.0E-6%,
                                                                          α ≈100%,
Es-254   155   (7+)   236630.88 1890.7    7.4   5.1   4.6   275.7 дн
                                                                         β- 1.7E-4%,
                                                                               e
                                                                          β- 98%,
                                                                          IT <3%,
Es-254-m 155   2+     236630.96 1890.6    7.4                39.3 ч       α 0.32%,
                                                                          e 0.08%,
                                                                         SF <0.05%




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