ホルミウムの同位体

さらに見る 同位体核種, Z(p) ...

同位体核種	Z(p)	N(n)	同位体質量 (u)	半減期	核スピン数	天然存在比
同位体核種	励起エネルギー			半減期	核スピン数	天然存在比
¹⁴⁰Ho	67	73	139.96854(54)#	6(3) ms	8+#
¹⁴¹Ho	67	74	140.96310(54)#	4.1(3) ms	(7/2-)
^141mHo	66(2) keV			6.4(8) µs	(1/2+)
¹⁴²Ho	67	75	141.95977(54)#	400(100) ms	(6 to 9)
¹⁴³Ho	67	76	142.95461(43)#	300# ms [>200 ns]	11/2-#
¹⁴⁴Ho	67	77	143.95148(32)#	0.7(1) s
¹⁴⁵Ho	67	78	144.94720(32)#	2.4(1) s	(11/2-)
^145mHo	100(100)# keV			100# ms	5/2+#
¹⁴⁶Ho	67	79	145.94464(21)#	3.6(3) s	(10+)
¹⁴⁷Ho	67	80	146.94006(3)	5.8(4) s	(11/2-)
¹⁴⁸Ho	67	81	147.93772(14)	2.2(11) s	(1+)
^148m1Ho	400(100)# keV			9.49(12) s	(6)-
^148m2Ho	690(100)# keV			2.35(4) ms	(10+)
¹⁴⁹Ho	67	82	148.933775(20)	21.1(2) s	(11/2-)
^149m1Ho	48.80(20) keV			56(3) s	(1/2+)
^149m2Ho	7200(350) keV			>=100 ns
¹⁵⁰Ho	67	83	149.933496(15)	76.8(18) s	2-
^150m1Ho	-10(50) keV			23.3(3) s	(9)+
^150m2Ho	~8000 keV			751 ns
¹⁵¹Ho	67	84	150.931688(13)	35.2(1) s	11/2(-)
^151mHo	41.0(2) keV			47.2(10) s	1/2(+)
¹⁵²Ho	67	85	151.931714(15)	161.8(3) s	2-
^152m1Ho	160(1) keV			50.0(4) s	9+
^152m2Ho	3019.59(19) keV			8.4(3) µs	19-
¹⁵³Ho	67	86	152.930199(6)	2.01(3) min	11/2-
^153m1Ho	68.7(3) keV			9.3(5) min	1/2+
^153m2Ho	2772 keV			229(2) ns	(31/2+)
¹⁵⁴Ho	67	87	153.930602(9)	11.76(19) min	2-
^154mHo	238(30) keV			3.10(14) min	8+
¹⁵⁵Ho	67	88	154.929103(19)	48(1) min	5/2+
^155mHo	141.97(11) keV			880(80) µs	11/2-
¹⁵⁶Ho	67	89	155.92984(5)	56(1) min	4-
^156m1Ho	100(50)# keV			7.8(3) min	(9+)
^156m2Ho	52.4(5) keV			9.5(15) s	1-
¹⁵⁷Ho	67	90	156.928256(26)	12.6(2) min	7/2-
¹⁵⁸Ho	67	91	157.928941(29)	11.3(4) min	5+
^158m1Ho	67.200(10) keV			28(2) min	2-
^158m2Ho	180(70)# keV			21.3(23) min	(9+)
¹⁵⁹Ho	67	92	158.927712(4)	33.05(11) min	7/2-
^159mHo	205.91(5) keV			8.30(8) s	1/2+
¹⁶⁰Ho	67	93	159.928729(16)	25.6(3) min	5+
^160m1Ho	59.98(3) keV			5.02(5) h	2-
^160m2Ho	197(16) keV			3 s	(9+)
¹⁶¹Ho	67	94	160.927855(3)	2.48(5) h	7/2-
^161mHo	211.16(3) keV			6.76(7) s	1/2+
¹⁶²Ho	67	95	161.929096(4)	15.0(10) min	1+
^162mHo	106(7) keV			67.0(7) min	6-
¹⁶³Ho	67	96	162.9287339(27)	4570(25) a	7/2-
^163mHo	297.88(7) keV			1.09(3) s	1/2+
¹⁶⁴Ho	67	97	163.9302335(30)	29(1) min	1+
^164mHo	139.77(8) keV			38.0(10) min [37.5(+15-5) min]	6-
¹⁶⁵Ho	67	98	164.9303221(27)	STABLE	7/2-	1.0000
¹⁶⁶Ho	67	99	165.9322842(27)	26.83(2) h	0-
^166m1Ho	5.985(18) keV			1.20(18)E+3 a	(7)-
^166m2Ho	190.9052(20) keV			185(15) µs	3+
¹⁶⁷Ho	67	100	166.933133(6)	3.003(18) h	7/2-
^167mHo	259.34(11) keV			6.0(10) µs	3/2+
¹⁶⁸Ho	67	101	167.93552(3)	2.99(7) min	3+
^168m1Ho	59(1) keV			132(4) s	(6+)
^168m2Ho	143.4(2) keV			>4 µs	(1)-
^168m3Ho	192.6(2) keV			108(11) ns	1+
¹⁶⁹Ho	67	102	168.936872(22)	4.72(10) min	7/2-
¹⁷⁰Ho	67	103	169.93962(5)	2.76(5) min	6+#
^170mHo	120(70) keV			43(2) s	(1+)
¹⁷¹Ho	67	104	170.94147(64)	53(2) s	7/2-#
¹⁷²Ho	67	105	171.94482(43)#	25(3) s
¹⁷³Ho	67	106	172.94729(43)#	10# s	7/2-#
¹⁷⁴Ho	67	107	173.95115(54)#	8# s
¹⁷⁵Ho	67	108	174.95405(64)#	5# s	7/2-#

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).
Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.

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