Isotopes of Rubidium (Z=37)

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Isotope Half-life Spin Parity Decay Mode(s) or Abundance
71Rb
72Rb
73Rb
74Rb 64.9 ms(0+) %EC+%B+=100
75Rb 19.0 s(3/2-,5/2-) %EC+%B+=100
76Rb 36.5 s 1(-) %EC+%B+=100
77Rb 3.77 m 3/2- %EC+%B+=100
78Rb 17.66 m 0(+) %EC+%B+=100
78m1Rb 5.74 m 4(-) %EC+%B+=90 2, %IT=10 2
79Rb 22.9 m 5/2+ %EC+%B+=100
80Rb 34 s 1+ %EC+%B+=100
81Rb 4.576 h3/2- %EC+%B+=100
81m1Rb 30.5 m 9/2+ %IT=97.6 6, %EC+%B+ =2.4 6
82Rb 1.273 m1+ %EC+%B+=100
82m1Rb 6.472 h5- %EC+%B+=100, %IT<0.33
83Rb 86.2 d5/2- %EC=100
83m1Rb 7.8 ms9/2+ %IT=?, %EC+%B+=?
84Rb 32.77 d2- %B-=3.8 5, %EC+%B+=96.2 5
84m1Rb 20.26 m6- %IT=100
85Rb stable5/2- %Abundance=72.165 20
86Rb 18.631 d2- %B-=99.9948 5, %EC=0.0052 5
86m1Rb 1.017 m6- %IT=100
87Rb 4.75e10 y3/2- %Abundance=27.835 20, %B-=100
88Rb 17.78 m2- %B-=100
89Rb 15.15 m3/2- %B-=100
90Rb 158 s0- %B-=100
90m1Rb 258 s3- %B-=97.4 4, %IT=2.6 4
91Rb 58.4 s3/2(-) %B-=100
92Rb 4.492 s0- %B-=100, %B-N=0.0107 5
93Rb 5.84 s5/2- %B-=100, %B-N=1.39 7
94Rb 2.702 s3(-) %B-=100, %B-N=10.4 4
95Rb 377.5 ms5/2- %B-=100, %B-N=8.73 20
96Rb 0.199 s2+ %B-=100, %B-N=13.8 9
97Rb 169.9 ms 3/2(+) %B-=100, %B-N=25.1 8
98Rb 114 ms(1,0) %B-=100, %B-N=13.6 5 , %B-2N=0.051 7
98m1Rb 96 ms (4,5) %B-=100
99Rb 50.3 ms(5/2+) %B-=100, %B-N=20.7 23
100Rb 51 ms %B-=100, %B-N=6 3 , %B-2N=0.16 8
101Rb 32 ms (3/2+) %B-=100, %B-N=28 4
102Rb 37 ms %B-=100 , %B-N=18 8
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory
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