Isotopes of Cerium (Z=58)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
119Ce
120Ce 0+
121Ce
122Ce
123Ce 3.2 s(5/2) %EC+%B+=100, %ECP=?
124Ce 6 s0+ %EC+%B+=100
125Ce 9.0 s(5/2+) %EC+%B+=100, %ECP=?
126Ce 50 s0+ %EC+%B+=100
127Ce 31 s (5/2+) %EC+%B+=100
128Ce 4.1 s0+ %EC+%B+=100
129Ce 3.5 m 5/2+ %EC+%B+=100
130Ce 25 m 0+ %EC+%B+=100
131Ce 10.2 m (7/2+) %EC+%B+=100
131m1Ce 5.0 m (1/2+) %EC+%B+=100
132Ce 3.51 h0+ %EC+%B+=100
132m1Ce 13 ms (8-,9-) %IT=100
133Ce 97 m 1/2+ %EC+%B+=100
133m1Ce 4.9 h 9/2- %EC+%B+=100
134Ce 3.16 d 0+ %EC=100
135Ce 17.7 h1/2(+) %EC+%B+=100
135m1Ce 20 s11/2(-) %IT=100
136Ce stable0+ %Abundance=0.19 1
137Ce 9.0 h3/2+ %EC+%B+=100
137m1Ce 34.4 h11/2- %IT=99.22 3, %EC+%B+=0.78 3
138Ce stable0+ %Abundance=0.25 1
138m1Ce 8.65 ms7- %IT=100
139Ce 137.640 d3/2+ %EC=100
139m1Ce 54.8 s11/2- %IT=100
140Ce stable0+ %Abundance=88.48 10
141Ce 32.501 d7/2- %B-=100
142Ce 5e+16 y0+ %Abundance=11.08 10
143Ce 33.039 h3/2- %B-=100
144Ce 284.893 d0+ %B-=100
145Ce 3.01 m(3/2)- %B-=100
146Ce 13.52 m0+ %B-=100
147Ce 56.4 s(5/2-) %B-=100
148Ce 56 s0+ %B-=100
149Ce 5.3 s (3/2-) %B-=100
150Ce 4.0 s0+ %B-=100
151Ce 1.02 s %B-=100
152Ce 1.4 s 0+ %B-=100
153Ce
154Ce 0+
155Ce
156Ce 0+
157Ce
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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