홀뮴 동위 원소

**홀뮴 동위 원소**는 자연계에 존재하는 것과 인공적으로 만들어진 것이 있다. 자연계에 존재하는 홀뮴의 안정 동위 원소는 1종으로 165Ho이 100% 존재한다. 인공적으로 만들어진 홀뮴의 동위 원소는 140Ho부터 175Ho까지 합성되었는데, 이들 중 163Ho의 반감기가 4570년으로 가장 길다. 166m1Ho은 들떠 있지만 반감기는 1200년이나 된다.
# 표
{| class="wikitable" | 핵자
수 ! Z(p) ! N(n) !
동위 원소 질량 (u)
! rowspan="2" | 반감기 ! rowspan="2" | 붕괴
방식url-status=약어:
ε: 전자 포획
IT: 이성질핵 전이 ! rowspan="2" | 붕괴 생성
동위 원소안정 동위 원소는 굵은 글씨로 표기 ! rowspan="2" | 핵
스핀 ! rowspan="2" | 자연계에 존재하는
동위 원소
범위
(몰 분율) ! rowspan="2" | 자연계에 존재하는
최대 범위
(몰 분율) |- ! colspan="3" | 들뜬 에너지 |- | 140Ho | | 67 | | 73 | 139.96854(54)# | 6(3) ms | | | 8+# | | |- | 141Ho | | 67 | | 74 | 140.96310(54)# | 4.1(3) ms | | | (7/2-) | | |- | | 141mHo | colspan="3" | 66(2) keV | 6.4(8) µs | | | (1/2+) | | |- | rowspan=2|142Ho | rowspan=2 | 67 | rowspan=2 | 75 | rowspan=2|141.95977(54)# | rowspan=2|400(100) ms | β+ | 142Dy | rowspan=2|(6~9) | rowspan=2| | rowspan=2| |- | p | 141Dy |- | 143Ho | | 67 | | 76 | 142.95461(43)# | 300# ms
[>200 ns] | β+ | 143Dy | 11/2-# | | |- | rowspan=2|144Ho | rowspan=2 | 67 | rowspan=2 | 77 | rowspan=2|143.95148(32)# | rowspan=2|0.7(1) s | β+ | 144Dy | rowspan=2| | rowspan=2| | rowspan=2| |- | β+, p | 143Tb |- | 145Ho | | 67 | | 78 | 144.94720(32)# | 2.4(1) s | β+ | 145Dy | (11/2-) | | |- | | 145mHo | colspan="3" | 100(100)# keV | 100# ms | | | 5/2+# | | |- | rowspan=2|146Ho | rowspan=2 | 67 | rowspan=2 | 79 | rowspan=2|145.94464(21)# | rowspan=2|3.6(3) s | β+ | 146Dy | rowspan=2|(10+) | rowspan=2| | rowspan=2| |- | β+, p (드묾) | 145Tb |- | rowspan=2|147Ho | rowspan=2 | 67 | rowspan=2 | 80 | rowspan=2|146.94006(3) | rowspan=2|5.8(4) s | β+ | 147Dy | rowspan=2|(11/2-) | rowspan=2| | rowspan=2| |- | β+, p (드묾) | 146Tb |- | 148Ho | | 67 | | 81 | 147.93772(14) | 2.2(11) s | β+ | 148Dy | (1+) | | |- | rowspan=2 | 148m1Ho | rowspan=2 colspan="3" | 400(100)# keV | rowspan=2|9.49(12) s | β+ (99.92%) | 148Dy | rowspan=2|(6)- | rowspan=2| | rowspan=2| |- | β+, p (0.08%) | 147Tb |- | | 148m2Ho | colspan="3" | 690(100)# keV | 2.35(4) ms | | | (10+) | | |- | 149Ho | | 67 | | 82 | 148.933775(20) | 21.1(2) s | β+ | 149Dy | (11/2-) | | |- | | 149m1Ho | colspan="3" | 48.80(20) keV | 56(3) s | β+ | 149Dy | (1/2+) | | |- | | 149m2Ho | colspan="3" | 7200(350) keV | >=100 ns | | | | | |- | 150Ho | | 67 | | 83 | 149.933496(15) | 76.8(18) s | β+ | 150Dy | 2- | | |- | | 150m1Ho | colspan="3" | -10(50) keV | 23.3(3) s | β+ | 150Dy | (9)+ | | |- | | 150m2Ho | colspan="3" | ~8000 keV | 751 ns | | | | | |- | rowspan=2|151Ho | rowspan=2 | 67 | rowspan=2 | 84 | rowspan=2|150.931688(13) | rowspan=2|35.2(1) s | β+ (78%) | 151Dy | rowspan=2|11/2(-) | rowspan=2| | rowspan=2| |- | α (22%) | 147Tb |- | rowspan=2 | 151mHo | rowspan=2 colspan="3" | 41.0(2) keV | rowspan=2|47.2(10) s | α (77%) | 147Tb | rowspan=2|1/2(+) | rowspan=2| | rowspan=2| |- | β+ (22%) | 151Dy |- | rowspan=2|152Ho | rowspan=2 | 67 | rowspan=2 | 85 | rowspan=2|151.931714(15) | rowspan=2|161.8(3) s | β+ (88%) | 152Dy | rowspan=2|2- | rowspan=2| | rowspan=2| |- | α (12%) | 148Tb |- | | 152m1Ho | colspan="3" | 160(1) keV | 50.0(4) s | | | 9+ | | |- | | 152m2Ho | colspan="3" | 3019.59(19) keV | 8.4(3) µs | | | 19- | | |- | rowspan=2|153Ho | rowspan=2 | 67 | rowspan=2 | 86 | rowspan=2|152.930199(6) | rowspan=2|2.01(3) min | β+ (99.94%) | 153Dy | rowspan=2|11/2- | rowspan=2| | rowspan=2| |- | α (0.05%) | 149Tb |- | rowspan=2 | 153m1Ho | rowspan=2 colspan="3" | 68.7(3) keV | rowspan=2|9.3(5) min | β+ (99.82%) | 153Dy | rowspan=2|1/2+ | rowspan=2| | rowspan=2| |- | α (0.18%) | 149Tb |- | | 153m2Ho | colspan="3" | 2772 keV | 229(2) ns | | | (31/2+) | | |- | rowspan=2|154Ho | rowspan=2 | 67 | rowspan=2 | 87 | rowspan=2|153.930602(9) | rowspan=2|11.76(19) min | β+ (99.98%) | 154Dy | rowspan=2|2- | rowspan=2| | rowspan=2| |- | α (0.02%) | 150Tb |- | rowspan=3 | 154mHo | rowspan=3 colspan="3" | 238(30) keV | rowspan=3|3.10(14) min | β+ (99.99%) | 154Dy | rowspan=3|8+ | rowspan=3| | rowspan=3| |- | α (0.001%) | 150Tb |- | IT (드묾) | 154Ho |- | 155Ho | | 67 | | 88 | 154.929103(19) | 48(1) min | β+ | 155Dy | 5/2+ | | |- | | 155mHo | colspan="3" | 141.97(11) keV | 880(80) µs | | | 11/2- | | |- | 156Ho | | 67 | | 89 | 155.92984(5) | 56(1) min | β+ | **156Dy** | 4- | | |- | rowspan=2 | 156m1Ho | rowspan=2 colspan="3" | 100(50)# keV | rowspan=2|7.8(3) min | β+ | **156Dy** | rowspan=2|(9+) | rowspan=2| | rowspan=2| |- | IT | 156Ho |- | | 156m2Ho | colspan="3" | 52.4(5) keV | 9.5(15) s | | | 1- | | |- | 157Ho | | 67 | | 90 | 156.928256(26) | 12.6(2) min | β+ | 157Dy | 7/2- | | |- | rowspan=2|158Ho | rowspan=2 | 67 | rowspan=2 | 91 | rowspan=2|157.928941(29) | rowspan=2|11.3(4) min | β+ (93%) | **158Dy** | rowspan=2|5+ | rowspan=2| | rowspan=2| |- | α (7%) | 154Tb |- | rowspan=2 | 158m1Ho | rowspan=2 colspan="3" | 67.200(10) keV | rowspan=2|28(2) min | IT (81%) | 158Ho | rowspan=2|2- | rowspan=2| | rowspan=2| |- | β+ (19%) | **158Dy** |- | | 158m2Ho | colspan="3" | 180(70)# keV | 21.3(23) min | | | (9+) | | |- | 159Ho | | 67 | | 92 | 158.927712(4) | 33.05(11) min | β+ | 159Dy | 7/2- | | |- | | 159mHo | colspan="3" | 205.91(5) keV | 8.30(8) s | IT | 159Ho | 1/2+ | | |- | 160Ho | | 67 | | 93 | 159.928729(16) | 25.6(3) min | β+ | **160Dy** | 5+ | | |- | rowspan=2 | 160m1Ho | rowspan=2 colspan="3" | 59.98(3) keV | rowspan=2|5.02(5) h | IT (65%) | 160Ho | rowspan=2|2- | rowspan=2| | rowspan=2| |- | β+ (35%) | **160Dy** |- | | 160m2Ho | colspan="3" | 197(16) keV | 3 s | | | (9+) | | |- | 161Ho | | 67 | | 94 | 160.927855(3) | 2.48(5) h | ε | **161Dy** | 7/2- | | |- | | 161mHo | colspan="3" | 211.16(3) keV | 6.76(7) s | IT | 161Ho | 1/2+ | | |- | 162Ho | | 67 | | 95 | 161.929096(4) | 15.0(10) min | β+ | **162Dy** | 1+ | | |- | rowspan=2 | 162mHo | rowspan=2 colspan="3" | 106(7) keV | rowspan=2|67.0(7) min | IT (62%) | 162Ho | rowspan=2|6- | rowspan=2| | rowspan=2| |- | β+ (38%) | **162Dy** |- | 163Ho | | 67 | | 96 | 162.9287339(27) | 4570(25) a | ε | **163Dy** | 7/2- | | |- | | 163mHo | colspan="3" | 297.88(7) keV | 1.09(3) s | IT | 163Ho | 1/2+ | | |- | rowspan=2|164Ho | rowspan=2 | 67 | rowspan=2 | 97 | rowspan=2|163.9302335(30) | rowspan=2|29(1) min | ε (60%) | **164Dy** | rowspan=2|1+ | rowspan=2| | rowspan=2| |- | β- (40%) | 164Er |- | | 164mHo | colspan="3" | 139.77(8) keV | 38.0(10) min
[37.5(+15-5) min] | IT | 164Ho | 6- | | |- | 165Ho | | 67 | | 98 | 164.9303221(27) | colspan=3 align=center|**관찰상 안정**α 붕괴를 통해 161Tb으로 붕괴할 수 있다. | 7/2- | 1.0000 | |- | 166Ho | | 67 | | 99 | 165.9322842(27) | 26.83(2) h | β- | **166Er** | 0- | | |- | | 166m1Ho | colspan="3" | 5.985(18) keV | 1,200(180) a | β- | **166Er** | (7)- | | |- | | 166m2Ho | colspan="3" | 190.9052(20) keV | 185(15) µs | | | 3+ | | |- | 167Ho | | 67 | | 100 | 166.933133(6) | 3.003(18) h | β- | **167Er** | 7/2- | | |- | | 167mHo | colspan="3" | 259.34(11) keV | 6.0(10) µs | | | 3/2+ | | |- | 168Ho | | 67 | | 101 | 167.93552(3) | 2.99(7) min | β- | **168Er** | 3+ | | |- | rowspan=2 | 168m1Ho | rowspan=2 colspan="3" | 59(1) keV | rowspan=2|132(4) s | IT (99.5%) | 168Ho | rowspan=2|(6+) | rowspan=2| | rowspan=2| |- | β- (0.5%) | **168Er** |- | | 168m2Ho | colspan="3" | 143.4(2) keV | >4 µs | | | (1)- | | |- | | 168m3Ho | colspan="3" | 192.6(2) keV | 108(11) ns | | | 1+ | | |- | 169Ho | | 67 | | 102 | 168.936872(22) | 4.72(10) min | β- | 169Er | 7/2- | | |- | 170Ho | | 67 | | 103 | 169.93962(5) | 2.76(5) min | β- | **170Er** | 6+# | | |- | | 170mHo | colspan="3" | 120(70) keV | 43(2) s | β- | **170Er** | (1+) | | |- | 171Ho | | 67 | | 104 | 170.94147(64) | 53(2) s | β- | 171Er | 7/2-# | | |- | 172Ho | | 67 | | 105 | 171.94482(43)# | 25(3) s | β- | 172Er | | | |- | 173Ho | | 67 | | 106 | 172.94729(43)# | 10# s | β- | 173Er | 7/2-# | | |- | 174Ho | | 67 | | 107 | 173.95115(54)# | 8# s | | | | | |- | 175Ho | | 67 | | 108 | 174.95405(64)# | 5# s | | | 7/2-# | | |}