터븀 동위 원소

자연계에 존재하는 **터븀** 혹은 **테르븀**의 동위 원소는 1종으로 159Tb이 100% 존재한다. 우라늄과 토륨의 자발 핵분열로 생성되는 생성되는 161Tb은 반감기가 6.9일로 자연계에 미량 존재한다. 터븀의 인공 동위 원소는 135Tb부터 171Tb까지 합성되었다. 이들 중 157Tb은 반감기가 71년 158Tb은 180년의 반감기를 가지고 있어서 터븀의 인공 동위 원소들 중 반감기가 가장 길다.
# 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 |- | 135Tb | | 65 | | 70 | | 0.94(+33-22) ms | | | (7/2-) | | |- | 136Tb | | 65 | | 71 | 135.96138(64)# | 0.2# s | | | | | |- | 137Tb | | 65 | | 72 | 136.95598(64)# | 600# ms | | | 11/2-# | | |- | rowspan=2|138Tb | rowspan=2 | 65 | rowspan=2 | 73 | rowspan=2|137.95316(43)# | rowspan=2|800# ms [>200 ns] | β+ | 138Gd | rowspan=2| | rowspan=2| | rowspan=2| |- | p | 137Gd |- | 139Tb | | 65 | | 74 | 138.94829(32)# | 1.6(2) s | β+ | 139Gd | 11/2-# | | |- | rowspan=2|140Tb | rowspan=2 | 65 | rowspan=2 | 75 | rowspan=2|139.94581(86) | rowspan=2|2.4(2) s | β+ (99.74%) | 140Gd | rowspan=2|5 | rowspan=2| | rowspan=2| |- | β+, p (0.26%) | 139Eu |- | 141Tb | | 65 | | 76 | 140.94145(11) | 3.5(2) s | β+ | 141Gd | (5/2-) | | |- | | 141mTb | colspan="3" | 0(200)# keV | 7.9(6) s | β+ | 141Gd | 11/2-# | | |- | rowspan=2|142Tb | rowspan=2 | 65 | rowspan=2 | 77 | rowspan=2|141.93874(32)# | rowspan=2|597(17) ms | β+ | 142Gd | rowspan=2|1+ | rowspan=2| | rowspan=2| |- | β+, p | 141Eu |- | rowspan=2 | 142m1Tb | rowspan=2 colspan="3" | 280.2(10) keV | rowspan=2|303(17) ms | IT (99.5%) | 142Tb | rowspan=2|(5-) | rowspan=2| | rowspan=2| |- | β+ (0.5%) | 142Gd |- | | 142m2Tb | colspan="3" | 621.4(11) keV | 15(4) µs | | | | | |- | 143Tb | | 65 | | 78 | 142.93512(6) | 12(1) s | β+ | 143Gd | (11/2-) | | |- | | 143mTb | colspan="3" | 0(100)# keV | <21 s | β+ | 143Gd | 5/2+# | | |- | rowspan=2|144Tb | rowspan=2 | 65 | rowspan=2 | 79 | rowspan=2|143.93305(3) | rowspan=2|~1 s | β+ | 144Gd | rowspan=2|1+ | rowspan=2| | rowspan=2| |- | β+, p (드묾) | 143Eu |- | rowspan=3 | 144m1Tb | rowspan=3 colspan="3" | 396.9(5) keV | rowspan=3|4.25(15) s | IT (66%) | 144Tb | rowspan=3|(6-) | rowspan=3| | rowspan=3| |- | β+ (34%) | 144Gd |- | β+, p (<1%) | 143Eu |- | | 144m2Tb | colspan="3" | 476.2(5) keV | 2.8(3) µs | | | (8-) | | |- | | 144m3Tb | colspan="3" | 517.1(5) keV | 670(60) ns | | | (9+) | | |- | | 144m4Tb | colspan="3" | 544.5(6) keV | <300 ns | | | (10+) | | |- | 145Tb | | 65 | | 80 | 144.92927(6) | 20# min | β+ | 145Gd | (3/2+) | | |- | | 145mTb | colspan="3" | 0(100)# keV | 30.9(7) s | β+ | 145Gd | (11/2-) | | |- | 146Tb | | 65 | | 81 | 145.92725(5) | 8(4) s | β+ | 146Gd | 1+ | | |- | | 146m1Tb | colspan="3" | 150(100)# keV | 24.1(5) s | β+ | 146Gd | 5- | | |- | | 146m2Tb | colspan="3" | 930(100)# keV | 1.18(2) ms | | | (10+) | | |- | 147Tb | | 65 | | 82 | 146.924045(13) | 1.64(3) h | β+ | 147Gd | 1/2+# | | |- | | 147mTb | colspan="3" | 50.6(9) keV | 1.87(5) min | β+ | 147Gd | (11/2)- | | |- | 148Tb | | 65 | | 83 | 147.924272(15) | 60(1) min | β+ | 148Gd | 2- | | |- | | 148m1Tb | colspan="3" | 90.1(3) keV | 2.20(5) min | β+ | 148Gd | (9)+ | | |- | | 148m2Tb | colspan="3" | 8618.6(10) keV | 1.310(7) µs | | | (27+) | | |- | rowspan=2|149Tb | rowspan=2 | 65 | rowspan=2 | 84 | rowspan=2|148.923246(5) | rowspan=2|4.118(25) h | β+ (83.3%) | 149Gd | rowspan=2|1/2+ | rowspan=2| | rowspan=2| |- | α (16.7%) | 145Eu |- | rowspan=2 | 149mTb | rowspan=2 colspan="3" | 35.78(13) keV | rowspan=2|4.16(4) min | β+ (99.97%) | 149Gd | rowspan=2|11/2- | rowspan=2| | rowspan=2| |- | α (0.022%) | 145Eu |- | rowspan=2|150Tb | rowspan=2 | 65 | rowspan=2 | 85 | rowspan=2|149.923660(8) | rowspan=2|3.48(16) h | β+ (99.95%) | 150Gd | rowspan=2|(2-) | rowspan=2| | rowspan=2| |- | α (0.05%) | 146Eu |- | rowspan=2 | 150mTb | rowspan=2 colspan="3" | 457(29) keV | rowspan=2|5.8(2) min | β+ | 150Gd | rowspan=2|9+ | rowspan=2| | rowspan=2| |- | IT (드묾) | 150Tb |- | rowspan=2|151Tb | rowspan=2 | 65 | rowspan=2 | 86 | rowspan=2|150.923103(5) | rowspan=2|17.609(1) h | β+ (99.99%) | 151Gd | rowspan=2|1/2(+) | rowspan=2| | rowspan=2| |- | α (0.0095%) | 147Eu |- | rowspan=2 | 151mTb | rowspan=2 colspan="3" | 99.54(6) keV | rowspan=2|25(3) s | IT (93.8%) | 151Tb | rowspan=2|(11/2-) | rowspan=2| | rowspan=2| |- | β+ (6.2%) | 151Gd |- | rowspan=2|152Tb | rowspan=2 | 65 | rowspan=2 | 87 | rowspan=2|151.92407(4) | rowspan=2|17.5(1) h | β+ | ***152Gd*** | rowspan=2|2- | rowspan=2| | rowspan=2| |- | α (7×10−7%) | 148Eu |- | | 152m1Tb | colspan="3" | 342.15(16) keV | 0.96 µs | | | 5- | | |- | rowspan=2 | 152m2Tb | rowspan=2 colspan="3" | 501.74(19) keV | rowspan=2|4.2(1) min | IT (78.8%) | 152Tb | rowspan=2|8+ | rowspan=2| | rowspan=2| |- | β+ (21.2%) | ***152Gd*** |- | 153Tb | | 65 | | 88 | 152.923435(5) | 2.34(1) d | β+ | 153Gd | 5/2+ | | |- | | 153mTb | colspan="3" | 163.175(5) keV | 186(4) µs | | | 11/2- | | |- | rowspan=2|154Tb | rowspan=2 | 65 | rowspan=2 | 89 | rowspan=2|153.92468(5) | rowspan=2|21.5(4) h | β+ (99.9%) | **154Gd** | rowspan=2|0(+#) | rowspan=2| | rowspan=2| |- | β- (0.1%) | 154Dy |- | rowspan=3 | 154m1Tb | rowspan=3 colspan="3" | 12(7) keV | rowspan=3|9.4(4) h | β+ (78.2%) | **154Gd** | rowspan=3|3- | rowspan=3| | rowspan=3| |- | IT (21.8%) | 154Tb |- | β- (0.1%) | 154Dy |- | | 154m2Tb | colspan="3" | 200(150)# keV | 22.7(5) h | | | 7- | | |- | | 154m3Tb | colspan="3" | 0+Z keV | 513(42) ns | | | | | |- | 155Tb | | 65 | | 90 | 154.923505(13) | 5.32(6) d | ε | **155Gd** | 3/2+ | | |- | rowspan=2|156Tb | rowspan=2 | 65 | rowspan=2 | 91 | rowspan=2|155.924747(5) | rowspan=2|5.35(10) d | β+ | **156Gd** | rowspan=2|3- | rowspan=2| | rowspan=2| |- | β- (드묾) | **156Dy** |- | | 156m1Tb | colspan="3" | 54(3) keV | 24.4(10) h | IT | 156Tb | (7-) | | |- | | 156m2Tb | colspan="3" | 88.4(2) keV | 5.3(2) h | | | (0+) | | |- | 157Tb | | 65 | | 92 | 156.9240246(27) | 71(7) a | ε | **157Gd** | 3/2+ | | |- | rowspan=2|158Tb | rowspan=2 | 65 | rowspan=2 | 93 | rowspan=2|157.9254131(28) | rowspan=2|180(11) a | β+ (83.4%) | **158Gd** | rowspan=2|3- | rowspan=2| | rowspan=2| |- | β- (16.6%) | **158Dy** |- | rowspan=3 | 158m1Tb | rowspan=3 colspan="3" | 110.3(12) keV | rowspan=3|10.70(17) s | IT (99.39%) | 158Tb | rowspan=3|0- | rowspan=3| | rowspan=3| |- | β- (0.6%) | **158Dy** |- | β+ (0.01%) | **158Gd** |- | | 158m2Tb | colspan="3" | 388.37(15) keV | 0.40(4) ms | | | 7- | | |- | 159Tb핵분열 생성물 | | 65 | | 94 | 158.9253468(27) | colspan=3 align=center|**안정**이론상으로 자발 핵분열을 할 수 있다. | 3/2+ | 1.0000 | |- | 160Tb | | 65 | | 95 | 159.9271676(27) | 72.3(2) d | β- | **160Dy** | 3- | | |- | 161Tb | | 65 | | 96 | 160.9275699(28) | 6.906(19) d | β- | **161Dy** | 3/2+ | | |- | 162Tb | | 65 | | 97 | 161.92949(4) | 7.60(15) min | β- | **162Dy** | 1- | | |- | 163Tb | | 65 | | 98 | 162.930648(5) | 19.5(3) min | β- | **163Dy** | 3/2+ | | |- | 164Tb | | 65 | | 99 | 163.93335(11) | 3.0(1) min | β- | **164Dy** | (5+) | | |- | 165Tb | | 65 | | 100 | 164.93488(21)# | 2.11(10) min | β- | 165mDy | 3/2+# | | |- | 166Tb | | 65 | | 101 | 165.93799(11) | 25.6(22) s | β- | 166Dy | | | |- | 167Tb | | 65 | | 102 | 166.94005(43)# | 19.4(27) s | β- | 167Dy | 3/2+# | | |- | 168Tb | | 65 | | 103 | 167.94364(54)# | 8.2(13) s | β- | 168Dy | 4-# | | |- | 169Tb | | 65 | | 104 | 168.94622(64)# | 2# s | β- | 169Dy | 3/2+# | | |- | 170Tb | | 65 | | 105 | 169.95025(75)# | 3# s | β- | 170Dy | | | |- | 171Tb | | 65 | | 106 | 170.95330(86)# | 500# ms | β- | 171Dy | 3/2+# | | |} group="n"