Vissza Astrojan csillagászati képgyűjteményhez

Isotopes of the Element Terbium

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
159100%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
1350.94 millisecondsProton Emission100.00%
136No Data AvailableElectron Capture (suspected)No Data Available
137No Data AvailableElectron Capture (suspected)No Data Available
Proton Emission (suspected)No Data Available
138>= 200 nanoseconds   Electron Capture100.00%
Proton EmissionNo Data Available
1391.6 secondsElectron CaptureNo Data Available
Electron Capture with
delayed Proton Emission (suspected)  
No Data Available
1402.0 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.26%
1413.5 secondsElectron Capture100.00%
141m7.9 secondsElectron Capture100.00%
142597 millisecondsElectron Capture with
delayed Proton Emission
2.2×10-3 %
Electron Capture100.00%
142m303 millisecondsIsomeric Transition100.00%
14312 secondsElectron Capture100.00%
143m< 21 secondsElectron CaptureNo Data Available
144≈ 1 secondsElectron Capture100.00%
144m4.25 secondsIsomeric Transition66.00%
Electron Capture34.00%
145No Data AvailableElectron Capture (suspected)No Data Available
145m30.9 secondsElectron Capture100.00%
1468 secondsElectron Capture100.00%
146m23 secondsElectron Capture100.00%
146m11.18 millisecondsIsomeric Transition100.00%
1471.64 hoursElectron Capture100.00%
147m1.83 minutesElectron Capture100.00%
14860 minutesElectron Capture100.00%
148m2.20 minutesElectron Capture100.00%
1494.118 hoursElectron Capture83.30%
Alpha Decay16.70%
149m4.16 minutesElectron Capture99.98%
Alpha Decay0.02%
1503.48 hoursElectron Capture100.00%
Alpha Decay< 0.05%
150m5.8 minutesElectron CaptureNo Data Available
15117.609 hoursElectron Capture99.99%
Alpha Decay9.5×10-3 %
151m25 secondsIsomeric Transition93.40%
Electron Capture6.60%
15217.5 hoursElectron Capture100.00%
Alpha Decay< 7.0×10-7 %
152m4.2 minutesIsomeric Transition78.80%
Electron Capture21.20%
1532.34 daysElectron Capture100.00%
15421.5 hoursElectron Capture100.00%
Beta-minus Decay< 0.10%
154m22.7 hoursElectron Capture98.20%
Isomeric Transition1.80%
154m19.4 hoursElectron Capture78.20%
Isomeric Transition21.80%
Beta-minus Decay< 0.10%
1555.32 daysElectron Capture100.00%
1565.35 daysElectron Capture100.00%
156m24.4 hoursIsomeric Transition100.00%
156m15.3 hoursElectron Capture> 0.00%
Isomeric Transition< 100.00%
15771 yearsElectron Capture100.00%
158180 yearsElectron Capture83.40%
Beta-minus Decay16.60%
158m10.70 secondsIsomeric Transition100.00%
Beta-minus Decay< 0.60%
Electron Capture< 0.01%
158m10.40 millisecondsIsomeric Transition100.00%
159STABLE--
16072.3 daysBeta-minus Decay100.00%
1616.89 daysBeta-minus Decay100.00%
1627.60 minutesBeta-minus Decay100.00%
16319.5 minutesBeta-minus Decay100.00%
1643.0 minutesBeta-minus Decay100.00%
1652.11 minutesBeta-minus Decay100.00%
16625.1 secondsBeta-minus Decay100.00%
16719.4 secondsBeta-minus Decay100.00%
1688.2 secondsBeta-minus Decay100.00%
169No Data AvailableBeta-minus Decay (suspected)No Data Available
170No Data AvailableBeta-minus Decay (suspected)No Data Available
171No Data AvailableBeta-minus Decay (suspected)No Data Available