ВУЗ:
Составители:
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
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