Isotopes of Bromine (Z=35)

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Isotope Half-life Spin Parity Decay Mode(s) or Abundance
67Br
68Br 1.5 us (3+) %P=?
69Br
70Br 79.1 ms %EC+%B+=100
70m1Br 2.2 s %EC+%B+=100
71Br 21.4 s5/2- %EC+%B+=100
72Br 78.6 s3+ %EC+%B+=100
72m1Br 10.6 s1- %IT ~ 100, %EC+%B+=?
73Br 3.4 m1/2- %EC+%B+=100
74Br 25.4 m(0-) %EC+%B+=100
74m1Br 46 m4(+) %EC+%B+=100
75Br 96.7 m 3/2- %EC+%B+=100
76Br 16.2 h 1- %EC+%B+=100
76m1Br 1.31 s (4)+ %IT > 99.4, %EC+%B+ < 0.6
77Br 57.036 h 3/2- %EC+%B+=100
77m1Br 4.28 m 9/2+ %IT=100
78Br 6.46 m 1+ %EC+%B+=100, %B- < 0.01
78m1Br 119.2 us (4+)
79Br stable 3/2- %Abundance=50.69 7
79m1Br 4.86 s 9/2+ %IT=100
80Br 17.68 m 1+ %B-=91.7 2, %EC+%B+=8.3 2
80m1Br 4.4205 h 5- %IT=100
81Br stable3/2- %Abundance=49.31 7
82Br 35.30 h5- %B-=100
82m1Br 6.13 m2- %IT=97.6 3, %B-=2.4 3
83Br 2.40 h3/2- %B-=100
84Br 31.80 m2- %B-=100
84m1Br 6.0 m6- %B-=100
85Br 2.90 m3/2- %B-=100
86Br 55.1 s(2-) %B-=100
87Br 55.60 s3/2- %B-=100, %B-N=2.52 7
88Br 16.34 s(1,2-) %B-=100, %B-N=6.58 18
89Br 4.348 s(3/2-,5/2-) %B-=100, %B-N=13.8 4
90Br 1.91 s %B-N=25.2 9, %B-=100
91Br 0.541 s %B-=100, %B-N=18.3 13
92Br 0.343 s (2-) %B-=100, %B-N=33 3
93Br 102 ms(5/2-) %B-=100, %B-N=10 +5-3
94Br 70 ms %B-=100, %B-N=30 10
95Br (3/2-) %B-=?
96Br %B-=?
97Br (3/2-) %B-=?
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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