銩的同位素

**主要的銩同位素**
標準原子質量（英语：Standard atomic weight） (Ar, 標準)	168.934219(5);
←Er（68）	Yb（70）→
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銩（原子量：168.934219(5)）的同位素，其中有1個同位素是在觀測上穩定的。

圖表编辑

符號	Z（ p ）	N（ n ）	同位素質量（u）	半衰期^{[n 1]}	衰變方式^[2]^{[n 2]}	衰變產物^{[n 3]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
符號	激發能量			半衰期^{[n 1]}	衰變方式^[2]^{[n 2]}	衰變產物^{[n 3]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
¹⁴⁵Tm	69	76	144.97007(43)#	3.1(3) µs			(11/2-)
¹⁴⁶Tm	69	77	145.96643(43)#	240(30) ms	p	¹⁴⁵Er	(6-)
¹⁴⁶Tm	69	77	145.96643(43)#	240(30) ms	β⁺ （不常見）	¹⁴⁶Er	(6-)
^146mTm	71(6) keV			72(23) ms	p	¹⁴⁵Er	(10+)
^146mTm	71(6) keV			72(23) ms	β⁺ （不常見）	¹⁴⁶Er	(10+)
¹⁴⁷Tm	69	78	146.96096(32)#	0.58(3) s	β⁺ (85%)	¹⁴⁷Er	11/2-
¹⁴⁷Tm	69	78	146.96096(32)#	0.58(3) s	p (15%)	¹⁴⁶Er	11/2-
^147mTm	60(5) keV			360(40) µs			3/2+
¹⁴⁸Tm	69	79	147.95784(43)#	0.7(2) s	β⁺	¹⁴⁸Er	(10+)
^148mTm				0.7 s
¹⁴⁹Tm	69	80	148.95272(32)#	0.9(2) s	β⁺ (99.74%)	¹⁴⁹Er	(11/2-)
¹⁴⁹Tm	69	80	148.95272(32)#	0.9(2) s	β⁺, p (.26%)	¹⁴⁸Ho	(11/2-)
¹⁵⁰Tm	69	81	149.94996(21)#	3# s	β⁺	¹⁵⁰Er	(1+)
^150m1Tm	140(140)# keV			2.20(6) s	β⁺ (98.8%)	¹⁵⁰Er	(6-)
^150m1Tm	140(140)# keV			2.20(6) s	β⁺, p (1.2%)	¹⁴⁹Ho	(6-)
^150m2Tm	810(140)# keV			5.2(3) ms			(10+)
¹⁵¹Tm	69	82	150.945483(22)	4.17(10) s	β⁺	¹⁵¹Er	(11/2-)
^151m1Tm	92(7) keV			6.6(14) s	β⁺	¹⁵¹Er	(1/2+)
^151m2Tm	2655.67(22) keV			451(24) ns			(27/2-)
¹⁵²Tm	69	83	151.94442(8)	8.0(10) s	β⁺	¹⁵²Er	(2#)-
^152m1Tm	100(80)# keV			5.2(6) s	β⁺	¹⁵²Er	(9)+
^152m2Tm	2555.05(19)+X keV			294(12) ns			(17+)
¹⁵³Tm	69	84	152.942012(20)	1.48(1) s	α (91%)	¹⁴⁹Ho	(11/2-)
¹⁵³Tm	69	84	152.942012(20)	1.48(1) s	β⁺ (9%)	¹⁵³Er	(11/2-)
^153mTm	43.2(2) keV			2.5(2) s	α (92%)	¹⁴⁹Ho	(1/2+)
^153mTm	43.2(2) keV			2.5(2) s	β⁺ (8%)	¹⁵³Er	(1/2+)
¹⁵⁴Tm	69	85	153.941568(15)	8.1(3) s	β⁺ (56%)	¹⁵⁴Er	(2-)
¹⁵⁴Tm	69	85	153.941568(15)	8.1(3) s	α (44%)	¹⁵⁰Ho	(2-)
^154mTm	70(50) keV			3.30(7) s	α (90%)	¹⁵⁰Ho	(9+)
^154mTm	70(50) keV			3.30(7) s	β⁺ (10%)	¹⁵⁴Er	(9+)
¹⁵⁵Tm	69	86	154.939199(14)	21.6(2) s	β⁺ (98.1%)	¹⁵⁵Er	(11/2-)
¹⁵⁵Tm	69	86	154.939199(14)	21.6(2) s	α (1.9%)	¹⁵¹Ho	(11/2-)
^155mTm	41(6) keV			45(3) s	β⁺ (92%)	¹⁵⁵Er	(1/2+)
^155mTm	41(6) keV			45(3) s	α (8%)	¹⁵¹Ho	(1/2+)
¹⁵⁶Tm	69	87	155.938980(17)	83.8(18) s	β⁺ (99.93%)	¹⁵⁶Er	2-
¹⁵⁶Tm	69	87	155.938980(17)	83.8(18) s	α (.064%)	¹⁵²Er	2-
^156mTm	203.6(5) keV			~400 ns			(11-)
¹⁵⁷Tm	69	88	156.93697(3)	3.63(9) min	β⁺	¹⁵⁷Er	1/2+
¹⁵⁸Tm	69	89	157.936980(27)	3.98(6) min	β⁺	¹⁵⁸Er	2-
^158mTm	50(100)# keV			~20 ns			(5+)
¹⁵⁹Tm	69	90	158.93498(3)	9.13(16) min	β⁺	¹⁵⁹Er	5/2+
¹⁶⁰Tm	69	91	159.93526(4)	9.4(3) min	β⁺	¹⁶⁰Er	1-
^160m1Tm	70(20) keV			74.5(15) s	IT (85%)	¹⁶⁰Tm	5(+#)
^160m1Tm	70(20) keV			74.5(15) s	β⁺ (15%)	¹⁶⁰Er	5(+#)
^160m2Tm	98.2+X keV			~200 ns			(8)
¹⁶¹Tm	69	92	160.93355(3)	30.2(8) min	β⁺	¹⁶¹Er	7/2+
^161m1Tm	7.4(2) keV			5# min			1/2+
^161m2Tm	78.20(3) keV			110(3) ns			7/2-
¹⁶²Tm	69	93	161.933995(28)	21.70(19) min	β⁺	¹⁶²Er	1-
^162mTm	130(40) keV			24.3(17) s	IT (82%)	¹⁶²Tm	5+
^162mTm	130(40) keV			24.3(17) s	β⁺ (18%)	¹⁶²Er	5+
¹⁶³Tm	69	94	162.932651(6)	1.810(5) h	β⁺	¹⁶³Er	1/2+
¹⁶⁴Tm	69	95	163.93356(3)	2.0(1) min	β⁺	¹⁶⁴Er	1+
^164mTm	10(6) keV			5.1(1) min	IT (80%)	¹⁶⁴Tm	6-
^164mTm	10(6) keV			5.1(1) min	β⁺ (20%)	¹⁶⁴Er	6-
¹⁶⁵Tm	69	96	164.932435(4)	30.06(3) h	β⁺	¹⁶⁵Er	1/2+
¹⁶⁶Tm	69	97	165.933554(13)	7.70(3) h	β⁺	¹⁶⁶Er	2+
^166mTm	122(8) keV			340(25) ms	IT	¹⁶⁶Tm	6-
¹⁶⁷Tm	69	98	166.9328516(29)	9.25(2) d	ε	¹⁶⁷Er	1/2+
^167m1Tm	179.480(19) keV			1.16(6) µs			(7/2)+
^167m2Tm	292.820(20) keV			0.9(1) µs			7/2-
¹⁶⁸Tm	69	99	167.934173(3)	93.1(2) d	β⁺ (99.99%)	¹⁶⁸Er	3+
¹⁶⁸Tm	69	99	167.934173(3)	93.1(2) d	β⁻ (.01%)	¹⁶⁸Yb	3+
¹⁶⁹Tm	69	100	168.9342133(27)	觀測上穩定^{[n 4]}			1/2+	1.0000
¹⁷⁰Tm	69	101	169.9358014(27)	128.6(3) d	β⁻ (99.86%)	¹⁷⁰Yb	1-
¹⁷⁰Tm	69	101	169.9358014(27)	128.6(3) d	ε (.14%)	¹⁷⁰Er	1-
^170mTm	183.197(4) keV			4.12(13) µs			(3)+
¹⁷¹Tm	69	102	170.9364294(28)	1.92(1) a	β⁻	¹⁷¹Yb	1/2+
^171mTm	424.9560(15) keV			2.60(2) µs			7/2-
¹⁷²Tm	69	103	171.938400(6)	63.6(2) h	β⁻	¹⁷²Yb	2-
¹⁷³Tm	69	104	172.939604(5)	8.24(8) h	β⁻	¹⁷³Yb	(1/2+)
^173mTm	317.73(20) keV			10(3) µs			(7/2-)
¹⁷⁴Tm	69	105	173.94217(5)	5.4(1) min	β⁻	¹⁷⁴Yb	(4)-
¹⁷⁵Tm	69	106	174.94384(5)	15.2(5) min	β⁻	¹⁷⁵Yb	(1/2+)
¹⁷⁶Tm	69	107	175.94699(11)	1.85(3) min	β⁻	¹⁷⁶Yb	(4+)
¹⁷⁷Tm	69	108	176.94904(32)#	90(6) s	β⁻	¹⁷⁷Yb	(7/2-)
¹⁷⁸Tm	69	109	177.95264(43)#	30# s	β⁻	¹⁷⁸Yb
¹⁷⁹Tm	69	110	178.95534(54)#	20# s	β⁻	¹⁷⁹Yb	1/2+#
¹⁸⁰Tm	69	111	179.95902(43)#	3# s	β⁻	¹⁸⁰Yb
¹⁸¹Tm	69	112	180.96195(54)#	7# s	β⁻	¹⁸¹Yb	1/2+#
¹⁸²Tm^[3]	69	113	181.96619(54)#
¹⁸³Tm^[3]	69	114

備註：畫上#號的數據代表沒有經過實驗的証明，只是理論推測而已，而用括號括起來的代表數據不確定性。

←	同位素列表	→
铒的同位素	銩的同位素	鐿的同位素

註釋编辑

^ Bold for isotopes with half-lives longer than the age of the universe (nearly stable)
^ Abbreviations:
ε: Electron capture
IT: Isomeric transition
^ Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)
^ Believed to undergo α decay to ¹⁶⁵Ho

参考文獻编辑

^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 （英语）.
^ 存档副本. [2015-09-20]. （原始内容存档于2017-02-19）.
^ ^3.0 ^3.1 Tarasov, O. B.; Gade, A.; Fukushima, K.; et al. Observation of New Isotopes in the Fragmentation of ¹⁹⁸Pt at FRIB. Physical Review Letters. 2024, 132 (072501). doi:10.1103/PhysRevLett.132.072501.

Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties （页面存档备份，存于互联网档案馆）, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database （页面存档备份，存于互联网档案馆） (retrieved Sept. 2005).
- 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.

[2] Bold for isotopes with half-lives longer than the age of the universe (nearly stable)

[4] Abbreviations:
ε: Electron capture
IT: Isomeric transition

[5] Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)

[6] Believed to undergo α decay to ¹⁶⁵Ho

[CIAAW2021-1] Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 （英语）.

[3] 存档副本. [2015-09-20]. （原始内容存档于2017-02-19）.

[PRL132.7-7] 3.0 ^3.1 Tarasov, O. B.; Gade, A.; Fukushima, K.; et al. Observation of New Isotopes in the Fragmentation of ¹⁹⁸Pt at FRIB. Physical Review Letters. 2024, 132 (072501). doi:10.1103/PhysRevLett.132.072501.

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