Атомные ядра. Основные характеристики. Варламов В.В - 315 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
315
Cm-234 138 0+ 217967.26 1766.9 7.6 8.6 3.7 51 с
e ≈20%,
SF ≈40%,
α ≈40%
Cm-235 139 218899.94 1773.8 7.5 6.9 3.9 5 м
e?,
α?
Cm-236 140 0+ 219831.42 1781.9 7.6 8.1 4.1
e,
α
Cm-237 141 220764.30 1788.6 7.5 6.7 4.2 20 м ≈
e?,
α?
Cm-238 142 0+ 221695.92 1796.5 7.5 8.0 4.5 2.4 ч
e ≥90%,
α ≤10%
Cm-239 143 (7/2-) 222629.20 1802.8 7.5 6.3 4.5 2.9 ч ≈
e 100%,
α <0.10%
Cm-240 144 0+ 223561.23 1810.3 7.5 7.5 5.0 27 дн
SF 3.9E-6%,
α >99.50%,
e <0.50%
Cm-241 145 1/2+ 224494.70 1816.4 7.5 6.1 5.1 32.8 дн
α 1%,
e 99%
Cm-241-m
145 224497.00 1814.1 7.5 15.3 нс
SF 100%
Cm-242 146 0+
225427.30 1823.4 7.5 7.0 5.4
162.8 дн
SF 6.2E-6%,
α 100%,
34SI 1.E-14%
Cm-243 147 5/2+ 226361.17 1829.1 7.5 5.7 5.6 29.1 л
SF 5.3E-9%,
α 99.71%,
e 0.29%
Cm-243-m
147 226363.07 1827.2 7.5 42 нс
SF ≤100%
Cm-244 148 0+ 227293.93 1835.9 7.5 6.8 6.0 18.1 л
α 100%,
SF 1.4E-4%
Cm-244-m
148 0+ 227293.93 1835.9 7.5 500 нс >
SF ≤100%
Cm-244-m
148 6+ 227294.97 1834.8 7.5 34 мс
IT 100%
Cm-245 149 7/2+ 228227.98 1841.4 7.5 5.5 6.2 8500 л
SF 6.1E-7%,
α 100%
Cm-246 150 0+ 229161.09 1847.9 7.5 6.5 6.6 4760 л
SF 0.03%,
α 99.97% 
                       Масса
                                Eсв,      ε, Bn, Bp ,        T1/2, Г,
XX-A-m   N     JP      ядра,                                            Моды распада
                                MэВ      MэВ MэВ MэВ        распр-ть
                       MэВ
                                                                          e ≈20%,
Cm-234   138   0+     217967.26 1766.9    7.6   8.6   3.7     51 с       SF ≈40%,
                                                                          α ≈40%
                                                                            e?,
Cm-235   139          218899.94 1773.8    7.5   6.9   3.9     5м
                                                                            α?
                                                                             e,
Cm-236   140   0+     219831.42 1781.9    7.6   8.1   4.1
                                                                             α
                                                                            e?,
Cm-237   141          220764.30 1788.6    7.5   6.7   4.2   20 м ≈
                                                                            α?
                                                                          e ≥90%,
Cm-238   142   0+     221695.92 1796.5    7.5   8.0   4.5    2.4 ч
                                                                          α ≤10%
                                                                          e 100%,
Cm-239   143 (7/2-)   222629.20 1802.8    7.5   6.3   4.5   2.9 ч ≈
                                                                         α <0.10%
                                                                        SF 3.9E-6%,
Cm-240   144   0+     223561.23 1810.3    7.5   7.5   5.0    27 дн      α >99.50%,
                                                                         e <0.50%
                                                                           α 1%,
Cm-241   145   1/2+   224494.70 1816.4    7.5   6.1   5.1   32.8 дн
                                                                           e 99%

Cm-241-m 145          224497.00 1814.1    7.5               15.3 нс       SF 100%

                                                                        SF 6.2E-6%,
Cm-242   146   0+     225427.30 1823.4    7.5   7.0   5.4   162.8 дн      α 100%,
                                                                        34SI 1.E-14%
                                                                        SF 5.3E-9%,
Cm-243   147   5/2+   226361.17 1829.1    7.5   5.7   5.6    29.1 л      α 99.71%,
                                                                          e 0.29%

Cm-243-m 147          226363.07 1827.2    7.5                42 нс       SF ≤100%

                                                                         α 100%,
Cm-244   148   0+     227293.93 1835.9    7.5   6.8   6.0    18.1 л
                                                                        SF 1.4E-4%

Cm-244-m 148   0+     227293.93 1835.9    7.5               500 нс >     SF ≤100%

Cm-244-m 148   6+     227294.97 1834.8    7.5                34 мс        IT 100%

                                                                        SF 6.1E-7%,
Cm-245   149   7/2+   228227.98 1841.4    7.5   5.5   6.2   8500 л
                                                                          α 100%
                                                                         SF 0.03%,
Cm-246   150   0+     229161.09 1847.9    7.5   6.5   6.6   4760 л
                                                                         α 99.97%



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