Template:Thorium series

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[edit] Thorium series

The 4n chain of Th-232 is commonly called the "thorium series". In the following charts, the letter 'a' represents a year.

nuclide	historic name (short)	historic name (long)	decay mode	half life	energy released, MeV	product of decay
252Cf			α	2.645 a	6.1181	248Cm
248Cm			α	3.4×105 a	6.260	244Pu
244Pu			α	8×107 a	4.589	240U
240U			β-	14.1 h	.39	240Np
240Np			β-	1.032 h	2.2	240Pu
244Cm			α	18 a	5.8048	240Pu
240Pu			α	6561 a	5.1683	236U
236U			α	2.3·107 a	4.494	232Th
232Th	Th	Thorium	α	1.405·1010 a	4.081	228Ra
228Ra	MsTh1	Mesothorium 1	β-	5.75 a	0.046	228Ac
228Ac	MsTh2	Mesothorium 2	β-	6.25 h	2.124	228Th
228Th	RdTh	Radiothorium	α	1.9116 a	5.520	224Ra
224Ra	ThX	Thorium X	α	3.6319 d	5.789	220Rn
220Rn	Tn	Thoron	α	55.6 s	6.404	216Po
216Po	ThA	Thorium A	α	0.145 s	6.906	212Pb
212Pb	ThB	Thorium B	β-	10.64 h	0.570	212Bi
212Bi	ThC	Thorium C	β- 64.06% α 35.94%	60.55 min	2.252 6.208	212Po 208Tl
212Po	ThC'	Thorium C'	α	299 ns	8.955	208Pb
208Tl	ThC"	Thorium C"	β-	3.053 min	4.999	208Pb
208Pb		.	stable	.	.