Nuclear Wallet Card - Z( 87)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
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87 Fr 201 (9/2-) 3.7s 48 ms 15 A,EC < 1%
202 (3+) 3.1s 0.34 s 4 A <= 97%,EC >= 3%
202M (10-) 3.2s ~ 0.34 s A <= 94%,EC >= 6%
203 (9/2-) 1.0s 0.55 s 2 A ~ 95%,EC ~ 5%
204 (3+) 0.6 1.7 s 3 A ~ 80%,EC ~ 20%
204M (7+) 0.6 2.6 s 3 A
204M (10-) 0.9 ~ 1 s A,IT
205 (9/2-) -1.2 3.85 s 10 A,EC < 1%
206 (2+,3+) -1.4 15.9 s 2 A ,EC
206M (7+) -1.4 15.9 s ? A <= 84%
206M (10-) -0.7 0.7 s 1 A ,IT ?%
207 9/2- -2.93 14.8 s 1 A 95%,EC 5%
208 7+ -2.67 59.1 s 3 A 90%,EC 10%
209 9/2- -3.80 50.0 s 3 A 89%,EC 11%
210 6+ -3.35 3.18 m 6 A 60%,EC 40%
211 9/2- -4.16 3.10 m 2 A > 80%,EC < 20%
212 5+ -3.56 20.0 m 6 EC 57%,A 43%
213 9/2- -3.564 34.6 s 3 A 99.45%,EC 0.55%
214 (1-) -0.974 5.0 ms 2 A
214M (8-) -0.852 3.35 ms 5 A
215 9/2- 0.304 86 NS 5 A
216 (1-) 2.97 0.70 us 2 A,EC <2E-07%
217 9/2- 4.301 16 us 2 A
218 (1-) 7.046 1.0 ms 6 A
218M 7.132 22.0 ms 5 A
219 9/2- 8.608 20 ms 2 A
220 1+ 11.469 27.4 s 3 A 99.65%,B- 0.35%
221 5/2- 13.269 4.9 m 2 A,B- < 0.1%,14C 9E-13%
222 2- 16.34 14.2 m 3 B-
223 3/2(-) 18.379 22.00 m 7 B- 99.99%,A 6.0E-3%
224 1(-) 21.64 3.30 m 10 B-
225 3/2- 23.85 4.0 m 2 B-
226 1 27.3 48 s 1 B-
227 1/2+ 29.66 2.47 m 3 B-
228 2- 33.3 39 s 1 B-
229 (1/2+) 36.159C 50.2 s 4 B-
230 40.011C 19.1 s 5 B-
231 43.025C 17.5 s 8 B-
232 5 s 1 B-
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