Liste der Isotope/Ordnungszahl 51 bis Ordnungszahl 60

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Liste der Isotope ist die Übersichtsseite, um komfortabel auf alle Elemente zugreifen zu können. Dort wird auch der Aufbau erklärt und die Legende zur Tabelle ist auch dort zu finden. Zerfallsenergien wurden mit den angegebenen Massen und dem Masse-Energie-Äquivalent von neu berechnet.[1]

51 Antimon

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
104Sb 7,4 s 12,20 (εβ+), 8,00 (εp), 0,31 (p) εβ+ ≈ 100, εp < 7, p < 1
105Sb 1,12 s 9,44 (εβ+), 0,483 (p) εβ+ ≈ 100, p = ?
106Sb 4+
107Sb 7,9 (εβ+), 1,5 (α) 5/2+ εβ+ = ?, α = ?
108Sb 7,4 s 9,51 (εβ+) (4+) εβ+ ≈ 100, εp = ?
109Sb 17,0 s 6,38 (5/2+) εβ+
110Sb 23,0 s 8,30 3+ εβ+
111Sb 75 s 5,10 (5/2+) εβ+
112Sb 51,4 s 7,055 3+ εβ+
113Sb 6,67 min 3,905 5/2+ εβ+
114Sb 3,49 min 5,880 3+ εβ+
115Sb 32,1 min 3,030 5/2+ εβ+
115m1Sb 6,2 ns 1,300 11/2− IT
115m2Sb 159 ns 2,796 19/2− IT
115m3Sb 4,1 ns 3,660 25/2+ IT
116Sb 15,8 min 4,707 3+ εβ+
116m1Sb 60,3 min 5,090 8− εβ+
117Sb 2,80 h 1,757 5/2+ εβ+
117m1Sb 355 µs 3,131 5/2+ IT
118Sb 3,6 min 3,657 1+ εβ+
118m1Sb 5,00 h 3,907 8− εβ+
119Sb 38,19 h 0,594 5/2+ ε
119m1Sb 0,85 s (25/2+) IT
120Sb 15,89 min 2,681 1+ εβ+
120m1Sb 5,76 d 2,681 8− εβ+
121Sb stabil SF 5/2+ 057,36
122Sb 2,7238 d 1,979 (β−), 1,620 (εβ+) 2− β− = 97,59, εβ+ = 2,41
122m1Sb 0,53 ms 0,137 5+ IT
122m2Sb 4,191 min 0,164 (8) – IT
123Sb stabil SF 7/2+ 042,64
124Sb 60,20 d 2,905 3− β−
124m1Sb 93 s 0,011 (IT), 2,916 (β−) 5+ IT = 75, β− = 25
124m2Sb 20,2 min 0,037 (8)− IT
125Sb 2,7582 a 0,767 7/2+ β−
126Sb 12,46 d 3,670 (8)− β−
126m1Sb 19,15 min 3,688 (β−), 0,016 (IT) (5)+ β− = 86, IT = 14
126m2Sb 11 s 0,040 (3)− IT
127Sb 3,85 d 1,581 7/2+ β−
128Sb 9,01 h 4,380 8− β−
128m1Sb 10,4 min 4,380 (β−), 0,0 (IT) 5+ β− = 96,4, IT = 3,6
129Sb 4,40 h 2,380 7/2+ β−
129m1Sb 17,7 min 4,231 (β−), 1,851 (IT) (19/2−) β− = 85, IT = 15
130Sb 39,5 min 4,96 (8−) β−
130m1Sb 6,3 min 4,96 (5)+ β−
131Sb 23,03 min 3,19 (7/2+) β−
132Sb 2,79 min 5,29 (4+) β−
132m1Sb 4,10 min 5,29 (8−) β−
133Sb 2,5 min 4,003 (7/2+) β−
133m1Sb 3 µs 4,365 IT
133m2Sb 16 µs 4,527 IT
134Sb 0,78 s 8,42 (0−) β−
134m1Sb 10,23 s 8,42 (β−), 0,91 (β−) (7−) β− ≈ 100, β−n = 0,091
135Sb 1,71 s 8,12 (β−), 4,62 (β−n) (7/2+) β− ≈ 100, β−n = 16,4
136Sb 0,82 s 9,3 (β−), 4,7 (β−n) β− ≈ 100, β−n = 24,0, β−2n = ?

52 Tellur

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
106Te 60 µs 4,32 0+ α
107Te 3,1 ms 4,008 (α), 10,1 (εβ+) α > 70, εβ+ < 30
108Te 2,1 s 6,8 (εβ+), 3,442 (α) 0+ εβ+ = 51, α = 49, β+p = 2,4
109Te 4,6 s 8,68 (εβ+), 3,23 (α) εβ+ = 96,1, α = 3,9, εp = ?
110Te 18,6 s 5,25 (εβ+), 2,723 (α) 0+ εβ+ ≈ 100, α ≈ 0,003
111Te 19,3 s 7,37 (εβ+), 5,07 (εp) (5/2+) εβ+ ≈ 100, εp = ?
112Te 2,0 min 4,35 0+ εβ+
113Te 1,7 min 6,10 (7/2+) εβ+
114Te 15,2 min 2,80 0+ εβ+
115Te 5,8 min 4,64 7/2+ εβ+
115m1Te 6,7 min 4,66 (εβ+), 0,02 (IT) (1/2)+ εβ+ < 100, IT = ?
116Te 2,49 h 1,51 0+ εβ+
117Te 62 min 3,535 1/2+ εβ+
117m1Te 103 ms 0,261 11/2− IT
118Te 6,00 d 0,278 0+ ε
119Te 16,03 h 2,293 1/2+ εβ+
119m1Te 4,70 d 2,554 (εβ+), 0,261 (IT) 11/2− εβ+ ≈ 100, IT < 0,008
120Te stabil 2ε 0+ 000,096
121Te 16,78 d 1,040 1/2+ εβ+
121m1Te 154 d 0,294 (IT), 1,334 (εβ+) 11/2− IT = 88,6, εβ+ = 11,4
122Te stabil SF 0+ 002,603
123Te stabil ε 0,051 1/2+ ε 000,908
123m1Te 119,7 d 0,248 11/2− IT
124Te stabil SF 0+ 004,816
125Te stabil SF 1/2+ 007,139
125m1Te 57,40 d 0,145 11/2− IT
126Te stabil SF 0+ 018,95
127Te 9,35 h 0,698 3/2+ β−
127m1Te 109 d 0,088 (IT), 0,786 (β−) 11/2− IT = 97,6, β− = 2,4
128Te 7,2·1024 a 0,867 0+ 2β 031,69
129Te 69,6 min 1,498 3/2+ β−
129m1Te 33,6 d 0,105 (IT), 1,604 (β−) 11/2− IT = 63, β− = 37
130Te 7,9·1020 a 2,528 0+ 2β− 033,80
131Te 25,0 min 2,233 3/2+ β−
131m1Te 30 h 2,415 (β−), 0,182 (IT) 11/2− β− = 77,8, IT = 22,2
132Te 3,204 d 0,493 0+ β−
133Te 12,5 min 2,920 (3/2+) β−
133m1Te 55,4 min 3,254 (β−), 0,334 (IT) (11/2−) β− = 82,5, IT = 17,5
134Te 41,8 min 1,56 0+ β−
135Te 19,0 s 5,96 (7/2−) β−
136Te 17,5 s 5,07 (β−), 1,29 (β−n) 0+ β− ≈ 100, β−n = 1,1
137Te 2,49 s 6,94 (β−), 1,87 (β−n) (7/2−) β− ≈ 100, β−n = 2,69
138Te 1,4 s 6,37 (β−), 2,50 (β−n) 0+ β− ≈ 100, β−n = 6,3

53 Iod

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
108I 36 ms 4,03 (α) (1) α = 91, p < 1
109I 100 µs 0,82 p
110I 0,65 s 11,9 (εβ+), 3,58 (α), 8,6 (εp), 17,7 (εα) εβ+ = 83, α = 17, εp = 11, εα = 1,1
111I 2,5 s 8,50 (εβ+), 3,28 (α) (5/2+) εβ+ ≈ 100, α ≈ 0,1
112I 3,42 s 10,20 (εβ+), 2,99 (α) εβ+ ≈ 100, α ≈ 0,0012
113I 6,6 s 7,20 (εβ+), 2,71 (α) (5/2+) εβ+ ≈ 100, εα =  ?, α = 3,310·10−7
114I 2,1 s 9,1 (εβ+), 4,3 (εp) 1+ εβ+ ≈ 100, εp = ?
114m1I 6,2 s 9,366 (εβ+), 0,266 (IT) (7) εβ+ = ?, IT = ?
115I 1,3 min 5,90 (5/2+) εβ+
116I 2,91 s 7,75 1+ εβ+
116m1I 3,27 µs (7−)
117I 2,22 min 4,67 (5/2)+ εβ+
118I 13,7 min 7,04 2− εβ+
118m1I 8,5 min 7,144 (εβ+), 0,104 (IT) (7−) εβ+ < 100, IT > 0
119I 19,1 min 3,510 5/2+ εβ+
120I 81,0 min 5,615 2− εβ+
120m1I 53 min 5,615 4, 5, 6, 7, 8 εβ+
121I 2,12 h 2,270 5/2+ εβ+
122I 3,63 min 4,234 1+ εβ+
122m1I 80 µs
123I 13,27 h 1,242 5/2+ εβ+
124I 4,1760 d 3,160 2− εβ+
125I 59,408 d 0,027 5/2+ ε
126I 13,11 d 2,155 (εβ+), 1,258 (β−) 2− εβ+ = 56,3, β− = 43,7
127I stabil SF 5/2+ 100
128I 24,99 min 2,118 (β−), 1,251 (εβ+) 1+ β− = 93,1, εβ+ = 6,9
129I 1,57·107 a 0,194 7/2+ β−
130I 12,36 h 2,949 5+ β−
130m1I 9,0 min 0,040 (IT), 2,989 (β−) 2+ IT = 84, β− = 16
131I 8,02070 d 0,606 7/2+ β−
132I 2,295 h 3,577 4+ β−
132m1I 1,387 h 0,120 (IT), 3,697 (β−) (8−) IT = 86, β− = 14
133I 20,8 h 1,770 7/2+ β−
133m1I 9 s 1,634 (19/2−) IT
134I 52,5 min 4,170 (4)+ β−
134m1I 3,60 min 0,316 (IT), 4,486 (β−) (8) – IT = 97,7, β− = 2,3
135I 6,57 h 2,648 7/2+ β−
136I 83,4 s 6,93 (1−) β−
136m1I 46,9 s 7,57 (6−) β−
137I 24,5 s 5,88 (β−), 1,85 (β−n) (7/2+) β− ≈ 100, β−n = 6,97
138I 6,49 s 7,82 (β−), 2,01 (β−n) (2−) β− ≈ 100, β−n = 5,5
139I 2,29 s 6,806 (β−), 3,21 (β−n) (7/2+) β− ≈ 100, β−n = 9,9
140I 0,86 s 8,76 (β−), 3,34 (β−n) (4) β− ≈ 100, β−n = 9,3
141I 0,43 s 7,8 (β−), 4,4 (β−n) β− ≈ 100, β−n = 21,2

54 Xenon

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
110Xe 0,60 µs 3,886 (α) 0+ εβ+ = ?, α = ?
111Xe 0,74 s 10,60 (εβ+), 3,72 (α) εβ+ = ?, α = ?
112Xe 2,7 s 7,20 (εβ+), 3,317 (α) 0+ εβ+ = 99,2, α = 0,8
113Xe 2,74 s 9,06 (εβ+), 7,91 (εp), 3,10 (α), ? (εα) εβ+ ≈ 100, α ≈ 0,011, εp = 7, εα ≈ 0,007
114Xe 10,0 s 5,9 0+ εβ+
115Xe 18 s 8,0 (εβ+), 6,2 (εp) (5/2+) εβ+ ≈ 100, εp = 0,34, εα = 0,0003
116Xe 59 s 4,66 0+ εβ+
117Xe 61 s 6,44 (εβ+), 4,02 (εp) 5/2(+) εβ+ ≈ 100, εp = 0,0029
118Xe 3,8 min 2,9 0+ εβ+
119Xe 5,8 min 5,0 (5/2+) εβ+
120Xe 40 min 1,96 0+ εβ+
121Xe 40,1 min 3,73 5/2(+) εβ+
122Xe 20,1 h 0,89 0+ ε
123Xe 2,08 h 2,676 (1/2)+ εβ+
124Xe 1,8 · 1022 a 0+ 2ε 000,10
125Xe 16,9 h 1,652 (1/2)+ εβ+
125m1Xe 57 s 0,253 (9/2)− IT
126Xe stabil 2ε 0+ 000,09
127Xe 36,4 d 0,662 1/2+ ε
127m1Xe 69,2 s 0,297 9/2− IT
128Xe stabil SF 0+ 001,91
129Xe stabil SF 1/2+ 026,4
129m1Xe 8,88 d 0,236 11/2− IT
130Xe stabil SF 0+ 004,1
131Xe stabil SF 3/2+ 021,2
131m1Xe 11,84 d 0,164 11/2− IT
132Xe stabil SF 0+ 026,9
132m1Xe 8,39 ms 2,752 (10+) IT
133Xe 5,243 d 0,427 3/2+ β−
133m1Xe 2,19 d 0,233 11/2− IT
134Xe stabil 2β 0+ 010,4
134m1Xe 290 ms 1,965 7− IT
135Xe 9,14 h 1,151 3/2+ β−
135m1Xe 15,29 min 0,527 (IT), 1,678 (β−) 11/2− IT = 99,996, β− = 0,004
136Xe > 1022 a 0+ 008,9
137Xe 3,818 min 4,172 7/2− β−
138Xe 14,08 min 2,770 0+ β−
139Xe 39,68 s 5,057 3/2− β−
140Xe 13,60 s 4,06 0+ β−
141Xe 1,73 s 6,15 (β−), 0,67 (β−n) 5/2(−) β− ≈ 100, β−n = 0,044
142Xe 1,22 s 5,04 (β−) 0+ β− ≈ 100, β−n = 0,406
143Xe 0,30 s 7,31 (β−) 5/2− β−
144Xe 1,15 s 6,1 0+ β−
145Xe 0,9 s β− ≈ 100, β−n = ?
146Xe 146 ms 0+ β−
147Xe 130 ms

55 Caesium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
113Cs 17 µs 0,974 (5/2+) p ≈ 100, εβ+ ≈ 0,03
114Cs 0,57 s 9,3 (εβ+), 3,36 (α), 9,3 (εp), 15,3 (εα) (1+) εβ+ ≈ 100, α = 0,018, εp = 7, εα = 0,16
115Cs 1,4 s 8,8 (εβ+), 5,8 (εp) εβ+ ≈ 100, εp ≈ 0,07
116Cs 3,84 s 10,5 >4+ εβ+ ≈ 100, εp = 0,44, εα = 0,08
116m1Cs 0,70 s 10,5 (εβ+), 6,7 (εp), 12,4 (εα) (1+) εβ+ ≈ 100, εp = 0,28, εα = 0,049
117Cs 8,4 s 7,52 (9/2+) εβ+
117m1Cs 6,5 s 7,67 (3/2+) εβ+
118Cs 14 s 9,3 (εβ+), 4,73 (εp), 11,08 (εα) 2 εβ+ ≈ 100, εp < 4,2·10−2, εα < 2,4·10−3
118m1Cs 17 s 9,3 (εβ+), 4,73 (εp), 11,08 (εα) (7−) εβ+ ≈ 100, εp < 4,2·10−2, εα < 2,4·10−3
119Cs 43,0 s 6,33 9/2+ εβ+
119m1Cs 30,4 s 6,33 3/2(+) εβ+
120Cs 64 s 7,92 (εβ+) 2 εβ+
120m1Cs 57 s 7,92 (εβ+), 2,47 (εp) εβ+ ≈ 100, εp = 7·10−6, εα = 2,0·10−5
121Cs 155 s 5,40 3/2(+) εβ+
121m1Cs 122 s 5,468 (εβ+), 0,068 (IT) 9/2(+) εβ+ = 83, IT = 17
122Cs 21,0 s 7,050 1+ εβ+
122m1Cs 3,70 min 7,126 8− εβ+
122m2Cs 0,36 s 0,127 (5)− IT
123Cs 5,94 min 4,200 1/2+ εβ+
123m1Cs 1,64 s 0,157 (11/2)− IT
124Cs 30,8 s 5,951 1+ εβ+
124m1Cs 6,3 s 0,463 (7)+ IT
125Cs 45 min 3,092 (1/2+) εβ+
126Cs 1,64 min 4,826 1+ εβ+
127Cs 6,25 h 2,085 1/2+ εβ+
128Cs 3,66 min 3,930 1+ εβ+
129Cs 32,06 h 1,196 1/2+ εβ+
130Cs 29,21 min 2,983 (εβ+), 0,373 (β−) 1+ εβ+ = 98,4, β− = 1,6
130m1Cs 3,46 min 0,163 (IT), 3,146 (εβ+) 5− IT = 99,84, εβ+ = 0,16
131Cs 9,689 d 0,352 5/2+ ε
132Cs 6,479 d 2,120 2+ εβ+ = 98,13, β− = 1,87
133Cs stabil SF 7/2+ 100
134Cs 2,0648 a 2,059 (β−), 1,229 (ε) 4+ β− ≈ 100, ε = 0,0003
134m1Cs 2,903 h 0,139 8− IT
135Cs 2,3·106 a 0,269 7/2+ β−
135m1Cs 53 min 1,633 19/2− IT
136Cs 13,16 d 2,548 5+ β−
136m1Cs 19 s ? (IT), 2,548 (β−) 8− IT = ?, β− = ?
137Cs 30,17 a 1,176 7/2+ β−
138Cs 33,41 min 5,373 3− β−
138m1Cs 2,91 min 5,453 (β−), 0,080 (IT) 6− β− = 19, IT = 81
139Cs 9,27 min 4,213 7/2+ β−
140Cs 63,7 s 6,219 1− β−
141Cs 24,94 s 5,255 (β−), 0,735 (β−n) 7/2+ β− ≈ 100, β−n = 0,029
142Cs 1,70 s 7,306 (β−), 1,337 (β−n) 0− β− ≈ 100, β−n = 0,091
143Cs 1,78 s 6,243 (β−), 2,048 (β−n) 3/2+ β− ≈ 100, β−n = 1,62
144Cs 1,01 s 8,465 (β−), 2,56 (β−n) 1 β− ≈ 100, β−n = 3,17
144m1Cs 1 s 8,465 (≥4) β− = ?
145Cs 0,594 s 7,89 (β−), 3,55 (β−n) 3/2+ β− ≈ 100, β−n = 13,8
146Cs 0,321 s 9,38 (β−), 4,32 (β−n) 1− β− ≈ 100, β−n = 14,2
147Cs 0,225 s 9,25 (β−), 4,74 (β−n) (3/2+) β− ≈ 100, β−n = 43
148Cs 158 ms 10,5 (β−) β− ≈ 100, β−n = 25

56 Barium

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
114Ba 0,43 s 8,9 (εβ+), 3,6 (α) 0+ εβ+ ≈ 100, α = ?, 12C ≈ 3·10−5
115Ba 0,4 s 11,0 εβ+
116Ba 0,3 s 8,2 0+ εβ+
117Ba 1,75 s 9,5 (εβ+), 8,7 (εp), 11,7 (εα) (3/2) εβ+ ≈ 100, εp = ?, εα =  ?
118Ba 5,5 s 6,4 0+ εβ+
119Ba 5,4 s 8,1 (εβ+), 6,2 (εp) (5/2+) εβ+ ≈ 100, εp < 25
120Ba 32 s 5,0 0+ εβ+
121Ba 29,7 s 6,8 (εβ+), 4,2 (εp) 5/2(+) εβ+ ≈ 100, εp = 0,02
122Ba 1,95 min 3,8 0+ εβ+
123Ba 2,7 min 5,5 5/2+ εβ+
124Ba 11,0 min 2,64 0+ εβ+
125Ba 3,5 min 4,60 1/2(+) εβ+
126Ba 100 min 1,673 0+ εβ+
127Ba 12,7 min 3,450 1/2+ εβ+
127m1Ba 1,9 s 0,080 7/2− IT
128Ba 2,43 d 0,521 0+ ε
129Ba 2,23 h 2,432 1/2+ εβ+
129m1Ba 2,16 h 2,440 (εβ+), 0,008 (IT) 7/2+ εβ+ < 100, IT = ?
130Ba stabil ?? 0+ 000,106
130m1Ba 11 ms 2,475 8− IT
131Ba 11,50 d 1,370 1/2+ εβ+
131m1Ba 14,6 min 0,187 9/2− IT
132Ba stabil 2ε 0+ 000,101
133Ba 10,51 a 0,517 1/2+ ε
133m1Ba 38,9 h 0,288 (IT), 0,805 (ε) 11/2− IT ≈ 100, ε = 0,0096
134Ba stabil SF 0+ 002,417
134m1Ba 2,63 µs (10+)
135Ba stabil SF 3/2+ 006,592
135m1Ba 28,7 h 0,268 11/2− IT
136Ba stabil SF 0+ 007,854
136m1Ba 0,3084 s 2,031 7− IT
137Ba stabil SF 3/2+ 011,23
137m1Ba 2,552 min 0,662 11/2− IT
138Ba stabil SF 0+ 071,70
139Ba 83,06 min 2,317 7/2− β−
140Ba 12,752 d 1,047 0+ β−
141Ba 18,27 min 3,216 3/2− β−
142Ba 10,6 min 2,212 0+ β−
143Ba 14,33 s 4,243 5/2− β−
144Ba 11,5 s 3,12 (β−), 1,66 (β−n) 0+ β− = 96,4, β−n = 3,6
145Ba 4,31 s 4,93 5/2− β−
146Ba 2,22 s 4,12 0+ β−
147Ba 0,893 s 5,75 (β−), 0,40 (β−n) (3/2+) β− ≈ 100, β−n = 0,06
148Ba 0,607 s 5,12 (β−), 1,12 (β−n) 0+ β− = 99,6, β−n = 0,4
149Ba 0,344 s 7,3 (β−), 1,1 (β−n) β− = 99,57, β−n = 0,43
150Ba 0,3 s 6,6 (β−) 0+ β− ≈ 100, β−n = ?

57 Lanthan

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
120La 2,8 s 11,2 (εβ+), 7,4 (εp) εβ+
121La 5,3 s 7,9 εβ+ ≈ 100, εp = ?
122La 8,7 s 9,7 (εβ+), 5,3 (εp) εβ+ ≈ 100, εp = ?
123La 17 s 6,9 εβ+
124La 29 s 8,8 εβ+
124m1La 1 s εβ+
125La 76 s 5,6 (11/2−) εβ+
126La 54 s 7,6 εβ+
127La 5,1 min 4,69 (11/2−) εβ+
127m1La 3,7 min 4,705 (εβ+), 0,015 (IT) (3/2+) εβ+ ≈ 100, IT = ?
128La 5,0 min 6,70 (5+) εβ+
128m1La 560 ms (1+, 2+) εβ+
129La 11,6 min 3,72 3/2+ εβ+
129m1La 0,56 s 0,172 11/2− IT
130La 8,7 min 5,60 3(+) εβ+
131La 59 min 2,96 3/2+ εβ+
132La 4,8 h 4,71 2− εβ+
132m1La 24,3 min 0,188 (IT), 4,898 (εβ+) 6− IT = 76, εβ+ = 24
133La 3,912 h 2,23 5/2+ εβ+
134La 6,45 min 3,71 1+ εβ+
135La 19,5 h 1,20 5/2+ εβ+
136La 9,87 min 2,87 1+ εβ+
136m1La 114 ms 0,23 IT
137La 6·104 a 0,60 7/2+ ε
138La 1,05·1011 a 1,044 (β−), 1,737 (εβ+) 5+ β− = 33,6 , εβ+ = 66,4 000,0902
139La stabil SF 7/2+ 099,9098
140La 1,6781 d 3,762 3− β−
141La 3,92 h 2,502 (7/2+) β−
142La 91,1 min 4,505 2− β−
143La 14,2 min 3,425 (7/2)+ β−
144La 40,8 s 5,54 (3−) β−
145La 24,8 s 4,12 (5/2+) β−
146La 6,27 s 6,55 2− β−
146m1La 10,0 s 6,55 (6−) β−
147La 4,015 s 4,95 (β−), 0,40 (β−n) (5/2+) β− ≈ 100, β−n = 0,035
148La 1,05 s 7,26 (β−), 0,95 (β−n) (2−) β− ≈ 100, β−n = 0,11
149La 1,05 s 5,5 (β−), 1,1 (β−n) β− ≈ 100, β−n = 1,43
150La 0,86 s 7,8 (β−), 1,5 (β−n) β− ≈ 100, β−n = 2,7
152La >150 ns 9,1 β−

58 Cer

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
123Ce 3,2 s 8,6 (εβ+), 6,9 (εp) (5/2) εβ+ ≈ 100, εp = ?
124Ce 6 s 5,6 0+ εβ+
125Ce 9,0 s 7,3 (εβ+), 5,2 (εp) (5/2+) εβ+ ≈ 100, εp = ?
126Ce 50 s 4,4 0+ εβ+
127Ce 31 s 6,1 (5/2+) εβ+
128Ce 4,1 s 3,2 0+ εβ+
129Ce 3,5 min 5,05 5/2+ εβ+
130Ce 25 min 2,2 0+ εβ+
131Ce 10,2 min 4,0 (7/2+) εβ+
131m1Ce 5,0 min 4,0 (1/2+) εβ+
132Ce 3,51 h 1,29 (εβ+), 2,341 (IT) 0+ εβ+
132m1Ce 13 ms 2,34 (8−,9−) IT
133Ce 97 min 2,90 1/2+ εβ+
133m1Ce 4,9 h 2,937 9/2− εβ+
134Ce 3,16 d 0,500 0+ ε
135Ce 17,7 h 2,026 1/2(+) εβ+
135m1Ce 20 s 0,446 11/2(−) IT
136Ce stabil 2ε 0+ 000,19
137Ce 9,0 h 1,222 3/2+ εβ+
137m1Ce 34,4 h 0,254 (IT), 1,476 (εβ+) 11/2− IT = 99,22, εβ+ = 0,78
138Ce stabil 2ε 0+ 000,25
138m1Ce 8,65 ms 2,129 (IT) 7− IT
139Ce 137,640 d 0,278 3/2+ ε
139m1Ce 54,8 s 0,754 11/2− IT
140Ce stabil SF 0+ 088,48
141Ce 32,501 d 0,581 7/2− β−
142Ce 5·1016 a α = ?, 2β = ? 011,08
143Ce 33,039 h 1,462 3/2− β−
144Ce 284,893 d 0,319 0+ β−
145Ce 3,01 min 2,54 (3/2)− β−
146Ce 13,52 min 1,04 0+ β−
147Ce 56,4 s 3,29 (5/2−) β−
148Ce 56 s 2,06 0+ β−
149Ce 5,3 s 4,19 (3/2−) β−
150Ce 4,0 s 3,01 0+ β−
151Ce 1,02 s 5,4 β−
152Ce 1,4 s 4,5 0+ β−

59 Praseodym

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
124Pr 1,2 s 11,6 (εβ+), 8,3 (εp) εβ+ ≈ 100, εp = ?
125Pr 3,3 s εβ+
126Pr 3,14 s 10,4 (εβ+), 6,3 (εp) (3,4,5) εβ+ ≈ 100, εp = ?
127Pr 4,2 s 7,5 (11/2−) εβ+
128Pr 3,1 s 9,3 (εβ+), 4,5 (εp) 4,5,6 εβ+ ≈ 100, εp = ?
129Pr 30 s 6,3 (3/2+) εβ+
130Pr 40,0 s 8,1 εβ+
131Pr 1,53 min 5,25 (3/2+) εβ+
131m1Pr 5,7 s 0,125 (IT), 5,402 (εβ+) (11/2−) IT = 95, εβ+ = 5
132Pr 1,6 min 7,1 εβ+
133Pr 6,5 min 4,3 (3/2+) εβ+
134Pr 17 min 6,2 2− εβ+
134m1Pr 11 min 6,2 (5−) εβ+
135Pr 24 min 3,72 3/2(+) εβ+
136Pr 13,1 min 5,126 2+ εβ+
137Pr 1,28 h 2,702 5/2+ εβ+
138Pr 1,45 min 4,437 1+ εβ+
138m1Pr 2,12 h 4,801 7− εβ+
139Pr 4,41 h 2,129 5/2+ εβ+
140Pr 3,39 min 3,388 1+ εβ+
141Pr stabil SF 5/2+ 100
142Pr 19,12 h 2,162 (β−), 0,745 (εβ+) 2− β− ≈ 100, ε = 0,0164
142m1Pr 14,6 min 0,004 5− IT
143Pr 13,57 d 0,934 7/2+ β−
144Pr 17,28 min 2,997 0− β−
144m1Pr 7,2 min 0,059 (IT), 3,056 (β−) 3− IT ≈ 100, β− = 0,07
145Pr 5,984 h 1,805 7/2+ β−
146Pr 24,15 min 4,20 (2)− β−
147Pr 13,4 min 2,69 (3/2+) β−
148Pr 2,27 min 4,93 1− β−
148m1Pr 2,0 min 5,02 (4) β−
149Pr 2,26 min 3,397 (5/2+) β−
150Pr 6,19 s 5,69 (1)− β−
151Pr 18,90 s 4,1 (3/2−) β−
152Pr 3,63 s 6,4 (4−) β−
153Pr 4,28 s 5,5 β−
154Pr 2,3 s 7,9 (3+, 2+) β−

60 Neodym

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Iso­top Halbwerts­zeit Zerfallsenergie
(MeV) 		Spin /
Parität 		Zerfallsart(en)
(%) 		NH
(%) 		Masse
(u)
127Nd 1,8 s 9,0 (εβ+), 8,0 (εp) εβ+ ≈ 100, εp = ?
128Nd 4 s 6,1 0+ εβ+ ≈ 100, εp = ?
129Nd 7 s 7,8 (εβ+), 6,11 (εp) (5/2+) εβ+ ≈ 100, εp = ?
130Nd 28 s 5,0 0+ εβ+
131Nd 27 s 6,56 (εβ+), 4,3 (εp) (5/2) εβ+ ≈ 100, εp = ?
132Nd 1,75 min 3,7 0+ β+
133Nd 70 s 5,6 (7/2+) εβ+
133m1Nd 70 s (1/2)+ εβ+ = ?, IT = ?
134Nd 8,5 min 2,77 0+ εβ+
134m1Nd 410 µs 2,293 (8)−
135Nd 12,4 min 4,80 9/2(−) εβ+
135m1Nd 5,5 min 4,856 (1/2+) εβ+
136Nd 50,65 min 2,21 0+ εβ+
137Nd 38,5 min 3,69 1/2+ εβ+
137m1Nd 1,60 s 0,52 11/2− IT
138Nd 5,04 h 1,10 0+ ε
139Nd 29,7 min 2,79 3/2+ εβ+
139m1Nd 5,50 h 3,021 (εβ+), 0,231 (IT) 11/2− εβ+ = 88,2, IT = 11,8
140Nd 3,37 d 0,222 0+ ε
140m1Nd 0,6 ms 2,221 7− IT
141Nd 2,49 h 1,823 3/2+ εβ+
141m1Nd 62,0 s 0,757 (IT), 2,580 (εβ+) 11/2− IT > 99,95, εβ+ < 0,05
142Nd stabil SF 0+ 027,13
143Nd stabil α 7/2− 012,18
144Nd 2,29·1015 a 1,905 0+ α 023,80
145Nd stabil α 7/2− 008,30
146Nd stabil α,2β 0+ 017,19
147Nd 10,98 d 0,896 5/2− β−
148Nd stabil α,2β 0+ 005,76
149Nd 1,728 h 1,691 5/2− β−
150Nd 1,1·1019 a 3,367 0+ 2β− = ? 005,64
151Nd 12,44 min 2,442 3/2+ β−
152Nd 11,4 min 1,11 0+ β−
153Nd 31,6 s 3,60 (3/2)− β−
154Nd 25,9 s 2,74 0+ β−
155Nd 8,9 s 5,0 β−
156Nd 5,47 s 4,1 0+ β−

Quellen

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  1. ↑ Datenquelle

Siehe auch Liste der Isotope#Weblinks

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