This is an archive of past discussions about Isotopes of polonium. Do not edit the contents of this page. If you wish to start a new discussion or revive an old one, please do so on the current talk page.
This article is part of Wikipedia:Wikiproject Isotopes. Please keep style and phrasings consistent across the set of pages. For later reference and improved reliability, data from all considered multiple sources is collected here. References are denoted by these letters:
(A) G. Audi, O. Bersillon, J. Blachot, A.H. Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003). — Where this source indicates a speculative value, the # mark is also applied to values with weak assignment arguments from other sources, if grouped together. An asterisk after the A means that a comment of some importance may be available in the original.
(B) National Nuclear Data Center, Brookhaven National Laboratory, information extracted from the NuDat 2.1 database. (Retrieved Sept. 2005, from the code of the popup boxes).
(C) David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes. — The CRC uses rounded numbers with implied uncertainties, where this concurs with the range of another source it is treated as exactly equal in this comparison.
(D) More specific level data from reference B's Levels and Gammas database.
(E) Same as B but excitation energy replaced with that from D.
Z N refs symbol half-life spin excitation energy
84 104 A |Po-188 |430(180) µs |0+
84 104 B |Po-188 |0.40(+20-15) ms |0+
84 104 C |Po-188 |0.30 ms |
84 105 A |Po-189 |5(1) ms |3/2-#
84 105 BC |Po-189 |5(1) ms |
84 106 AB |Po-190 |2.46(5) ms |0+
84 106 C |Po-190 |2.4 ms |
84 107 A |Po-191 |22(1) ms |3/2-#
84 107 B |Po-191 |22(1) ms |(3/2-)
84 107 C |Po-191 |22 ms |
84 107 A |Po-191m |98(8) ms |(13/2+) |34(12) keV
84 107 E |Po-191m |93(3) ms |(13/2+) |130(21) keV
84 107 C |Po-191m |93. ms |
84 108 A |Po-192 |32.2(3) ms |0+
84 108 B |Po-192 |33.2(14) ms |0+
84 108 C |Po-192 |34. ms |
84 108 A |Po-192m |~1 µs |12+# |2600(500)# keV
84 109 A |Po-193 |420(40) ms |3/2-#
84 109 B |Po-193 |243(+11-10) ms |(13/2+)
84 109 C |Po-193 |0.45 s |
84 109 B |Po-193m |370(+46-40) ms |(3/2-) |0 MeV
84 109 D |Po-193m |0.42(4) s |(3/2-) |0+X keV
84 109 A |Po-193m |240(10) ms |(13/2+) |100(30)# keV
84 109 D |Po-193m |0.24(1) s |(13/2+) |0+Y keV
84 109 C |Po-193m |0.24 s |
84 110 ABC |Po-194 |0.392(4) s |0+
84 110 A |Po-194m |15(2) µs |(11-) |2525(2) keV
84 111 A |Po-195 |4.64(9) s |3/2-#
84 111 B |Po-195 |4.64(9) s |(3/2-)
84 111 C |Po-195 |4.6 s |
84 111 A |Po-195m |1.92(2) s |13/2+# |110(50) keV
84 111 E |Po-195m |1.92(2) s |(13/2+) |~230 keV
84 111 C |Po-195m |1.9 s |
84 112 A |Po-196 |5.56(12) s |0+
84 112 BC |Po-196 |5.8(2) s |0+
84 112 A |Po-196m |850(90) ns |(11-) |2490.5(17) keV
84 112 D |Po-196m |850(90) ns |11- |2492 keV
84 113 A |Po-197 |53.6(10) s |(3/2-)
84 113 B |Po-197 |84(16) s |(3/2-)
84 113 C |Po-197 |53. s |(3/2-)
84 113 A |Po-197m |25.8(1) s |(13/2+) |230(80)# keV
84 113 E |Po-197m |32(2) s |(13/2+) |204# keV
84 113 C |Po-197m |25.8 s |13/2+
84 114 AB |Po-198 |1.77(3) min |0+
84 114 C |Po-198 |1.76 min |0+
84 114 AD |Po-198m1|200(20) ns |11- |2565.92(20) keV
84 114 A |Po-198m2|750(50) ns |12+ |2691.86(20) keV
84 114 D |Po-198m2|0.75(5) µs |12+ |2691.86(20)+X keV
84 115 A |Po-199 |5.48(16) min |(3/2-)
84 115 B |Po-199 |4.58(52) min |(3/2-)
84 115 C |Po-199 |5.2 min |(3/2-)
84 115 A |Po-199m |4.17(4) min |13/2+ |312.0(28) keV
84 115 E |Po-199m |4.13(43) min |13/2+ |310 keV
84 115 C |Po-199m |4.2 min |13/2+
84 116 A |Po-200 |11.5(1) min |0+
84 116 B |Po-200 |10.9(11) min |0+
84 116 C |Po-200 |11.5 min |0+
84 117 AB |Po-201 |15.3(2) min |3/2-
84 117 C |Po-201 |8.9 min |13/2-
84 117 A |Po-201m |8.9(2) min |13/2+ |424.1(24) keV
84 117 E |Po-201m |8.9(2) min |13/2+ |424(3) keV
84 117 C |Po-201m |8.9 min |13/2+
84 118 AB |Po-202 |44.7(5) min |0+
84 118 C |Po-202 |45. min |0+
84 118 AD |Po-202m |>200 ns |11- |2626.7(7) keV
84 119 AB |Po-203 |36.7(5) min |5/2-
84 119 C |Po-203 |35. min |5/2-
84 119 A |Po-203m1|45(2) s |13/2+ |641.49(17) keV
84 119 E |Po-203m1|45(2) s |13/2+ |641.68(17) keV
84 119 C |Po-203m1|1.2 min |13/2+
84 119 D |Po-203m2|>200 ns | |2158.5(6) keV
84 120 ABC |Po-204 |3.53(2) h |0+
84 121 AC |Po-205 |1.66(2) h |5/2-
84 121 B |Po-205 |1.74(8) h |5/2-
84 121 D |Po-205m1|310(60) ns |1/2- |143.166(17) keV
84 121 A |Po-205m2|645 µs |13/2+ |880.30(4) keV
84 121 D |Po-205m2|0.645(20) ms |13/2+ |880.31(7) keV
84 121 A |Po-205m3|58(1) ms |19/2- |1461.20(21) keV
84 121 D |Po-205m3|57.4(9) ms |19/2- |1461.21(21) keV
84 121 D |Po-205m4|115(10) ns |29/2- |3087.2(4) keV
84 122 ABC |Po-206 |8.8(1) d |0+
84 122 AD |Po-206m1|222(10) ns |(8+)# |1585.85(11) keV
84 122 AD |Po-206m2|1.05(6) µs |(9-)# |2262.22(14) keV
84 123 ABC |Po-207 |5.80(2) h |5/2-
84 123 D |Po-207m1|205(10) ns |1/2- |68.573(14) keV
84 123 A |Po-207m2|49 µs |13/2+ |1115.073(16) keV
84 123 D |Po-207m2|49(4) µs |13/2+ |1115.073(16) keV
84 123 AE |Po-207m3|2.79(8) s |19/2- |1383.15(6) keV
84 123 C |Po-207m3|2.8 s |19/2-
84 124 ABC |Po-208 |2.898(2) a |0+
84 125 ABC |Po-209 |102(5) a |1/2-
84 126 ABC |Po-210 |138.376(2) d |0+
84 126 D |Po-210m |263(5) ns |16+ |5057.61(4) keV
84 127 ABC |Po-211 |0.516(3) s |9/2+
84 127 A |Po-211m1|25.2(6) s |(25/2+) |1462(5) keV
84 127 E |Po-211m1|25.2(6) s |(25/2+) |1462(6) keV
84 127 C |Po-211m1|25.2 s |25/2+
84 127 A |Po-211m2|0.25(7) µs |(31/2-) |2135(5) keV
84 127 D |Po-211m2|243(21) ns |(31/2-) |2135.7(9) keV
84 127 A |Po-211m3|2(1) µs |(43/2+) |4874(5) keV
84 127 D |Po-211m3|2.8(7) µs |(43/2+) |4873.3(17) keV
84 128 A |Po-212 |299(2) ns |0+
84 128 B |Po-212 |45.1(6) s |(18+)
84 128 C |Po-212 |0.298 µs |0+
84 128 A |Po-212m |45.1(6) s |(18+) |2911(12) keV
84 128 D |Po-212m |45.1(6) s |(18+) |2922(15) keV
84 128 C |Po-212m |45. s |16+
84 129 A |Po-213 |4.2(8) µs |9/2+
84 129 BC |Po-213 |3.65(4) µs |9/2+
84 130 AB |Po-214 |164.3(20) µs |0+
84 130 C |Po-214 |163.7 µs |0+
84 131 AB |Po-215 |1.781(4) ms |9/2+
84 131 C |Po-215 |1.780 ms |(9/2+)
84 132 ABC |Po-216 |0.145(2) s |0+
84 133 A |Po-217 |1.47(5) s |5/2+#
84 133 B |Po-217 |1.53(5) s |(9/2+)
84 133 C |Po-217 |<10. s |
84 134 A |Po-218 |3.10(1) min |0+
84 134 B |Po-218 |3.10(2) min |0+
84 134 C |Po-218 |3.04 min |0+
84 135 A |Po-219 |2# min [>300 ns] |7/2+#
84 135 B |Po-219 |~2 min |
84 136 A |Po-220 |40# s [>300 ns] |0+
84 136 B |Po-220 |>300 ns |0+
