Difference between revisions of "Template:Actinides vs fission products"
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blackwiki>DocWatson42 m (Performed minor clean up on punctuation.) |
blackwiki>DocWatson42 m (Performed minor clean up on punctuation.) |
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! | ! | ||
! | ! | ||
| − | ! style="text-align:center; background:#e8e8e8; " | | + | ! style="text-align:center; background:#e8e8e8; " | 4–6 |
| rowspan=3 style="vertical-align:top; border-left:1px solid black; padding:1px 0 1px 1px;" | † | | rowspan=3 style="vertical-align:top; border-left:1px solid black; padding:1px 0 1px 1px;" | † | ||
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| {{Iso1|[[Uranium-234|234]]|U<sup>№</sup>|5}} | | {{Iso1|[[Uranium-234|234]]|U<sup>№</sup>|5}} | ||
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| − | ! class="nowrap" style="text-align:center; background:#e8e8e8;" | | + | ! class="nowrap" style="text-align:center; background:#e8e8e8;" | 150k–250k |
| rowspan="5" style="vertical-align:top; border-left:1px solid black; padding:2ex 0 1px 1px;" | ‡ | | rowspan="5" style="vertical-align:top; border-left:1px solid black; padding:2ex 0 1px 1px;" | ‡ | ||
| {{Iso1|[[Technetium-99|99]]|Tc<sup>₡</sup>|5}} | | {{Iso1|[[Technetium-99|99]]|Tc<sup>₡</sup>|5}} | ||
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| {{Iso1|[[Plutonium-242|242]]|Pu|5}} | | {{Iso1|[[Plutonium-242|242]]|Pu|5}} | ||
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| − | ! style="text-align:center; background:#e8e8e8;" | | + | ! style="text-align:center; background:#e8e8e8;" | 327k–375k |
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| {{Iso1|[[Selenium-79|79]]|Se<sup>₡</sup>|5}} | | {{Iso1|[[Selenium-79|79]]|Se<sup>₡</sup>|5}} | ||
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! style="text-align:center; background:#e8e8e8;" | 80M | ! style="text-align:center; background:#e8e8e8;" | 80M | ||
| colspan="4" rowspan="2" align="center" bgcolor=#ffffdd style="border-width:1px; border-style:dashed" | | | colspan="4" rowspan="2" align="center" bgcolor=#ffffdd style="border-width:1px; border-style:dashed" | | ||
| − | ...nor beyond 15.7M<ref>Excluding those | + | ...nor beyond 15.7M<ref>Excluding those "[[Primordial nuclide|classically stable]]" isotopes with half-lives significantly in excess of <sup>232</sup>Th, e.g. while <sup>113m</sup>Cd has a half-life of only fourteen years, that of <sup>113</sup>Cd is nearly eight [[Orders of magnitude (numbers)#1015|quadrillion]].</ref> |
|- | |- | ||
| {{Iso1|[[Thorium-232|232]]|Th<sup>№</sup>|9}} | | {{Iso1|[[Thorium-232|232]]|Th<sup>№</sup>|9}} | ||
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№ [[naturally occurring radioactive material]] (NORM)<br/> | № [[naturally occurring radioactive material]] (NORM)<br/> | ||
þ [[Neutron poison|neutron poison]] (thermal neutron capture cross section greater than 3k barns)<br/> | þ [[Neutron poison|neutron poison]] (thermal neutron capture cross section greater than 3k barns)<br/> | ||
| − | <nowiki>†</nowiki> range | + | <nowiki>†</nowiki> range 4a–97a: [[Medium-lived fission product]]<br/> |
<nowiki>‡</nowiki> over 200ka: [[Long-lived fission product]] | <nowiki>‡</nowiki> over 200ka: [[Long-lived fission product]] | ||
|}<noinclude> | |}<noinclude> | ||
Revision as of 04:30, 30 October 2013
Actinides and fission products by half-life
| ||||||||
|---|---|---|---|---|---|---|---|---|
| Actinides[1] by decay chain | Half-life range (a) |
Fission products by yield[2] | ||||||
| 4n | 4n+1 | 4n+2 | 4n+3 | |||||
| 4.5–7% | 0.04–1.25% | <0.001% | ||||||
| 228Ra№ | 4–6 | † | 155Euþ | |||||
| 244Cm | 241Puƒ | 250Cf | 227Ac№ | 10–29 | 90Sr | 85Kr | 113mCdþ | |
| 232Uƒ | 238Pu | 243Cmƒ | 29–97 | 137Cs | 151Smþ | 121mSn | ||
| 249Cfƒ | 242mAmƒ | 141–351 |
No fission products | |||||
| 241Am | 251Cfƒ[3] | 430–900 | ||||||
| 226Ra№ | 247Bk | 1.3k–1.6k | ||||||
| 240Pu | 229Th | 246Cm | 243Am | 4.7k–7.4k | ||||
| 245Cmƒ | 250Cm | 8.3k–8.5k | ||||||
| 239Puƒ | 24.1k | |||||||
| 230Th№ | 231Pa№ | 32k–76k | ||||||
| 236Npƒ | 233Uƒ | 234U№ | 150k–250k | ‡ | 99Tc₡ | 126Sn | ||
| 248Cm | 242Pu | 327k–375k | 79Se₡ | |||||
| 1.53M | 93Zr | |||||||
| 237Np | 2.1M–6.5M | 135Cs₡ | 107Pd | |||||
| 236U | 247Cmƒ | 15M–24M | 129I₡ | |||||
| 244Pu№ | 80M |
...nor beyond 15.7M[4] | ||||||
| 232Th№ | 238U№ | 235Uƒ№ | 0.7G–14G | |||||
|
Legend for superscript symbols | ||||||||
References
- ↑ Plus radium (element 88). While actually a sub-actinide, it immediately precedes actinium (89) and follows a three element gap of instability after polonium (84) where no isotopes have half-lives of at least four years (the longest-lived isotope in the gap is radon-222 with a half life of less than four days). Radium's longest lived isotope, at a notable 1600 years, thus merits the element's inclusion here.
- ↑ Specifically from thermal neutron fission of U-235, e.g. in a typical nuclear reactor.
- ↑ This is the heaviest isotope with a half-life of at least four years before the "Sea of Instability".
- ↑ Excluding those "classically stable" isotopes with half-lives significantly in excess of 232Th, e.g. while 113mCd has a half-life of only fourteen years, that of 113Cd is nearly eight quadrillion.
Usage
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See also
| The above documentation is transcluded from Template:Actinides vs fission products/doc. (edit | history) Editors can experiment in this template's sandbox (edit | diff) and testcases (create) pages. Please add categories to the /doc subpage. Subpages of this template. |