Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15268Er84   Erbium
J(π)=0+
T1/2=10.30 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -60.493935
(0.009432)		 -60.540 -0.390
BE 1234.135 1234.181
BE/A 8.119 8.120
<R2ch>1/2 = 5.0843 ± 0.0257 fm [3]
Charge-density Distribution [6]

β2= -0.084
β3= 0.000
β4= 0.014
β6= -0.001
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay4934.38
β- - decay-8723.33
β+ - decay2083.07
e-capture3105.07
1p - decay-4160.35
2p - decay-5762.51
1n - decay-10298.95
2n - decay-18805.26
2β- - decay-14173.18
β-,n-17787.48
β-,2n-30145.50
β-,d-15798.32
β-,t-21702.08
β-,α-4927.64
β-,n,α-15233.01
EC,p969.15
EC,2p-3966.32
EC,α7612.41
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
α-energies
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
-0.6(6)2184
+5(2)4521
  
[1] National Nuclear Data Center, Evaluated Nuclear Structure Data File, https://www.nndc.bnl.gov/ensdf/.
[2] M. Wang, G. Audi, A.H. Wapstra, F.G. Kondev, M. MacCormick, X. Xu, and B. Pfeiffer, Chinese Physics C, 2012, vol. 36, pp. 1603-2014.
[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.
[4] P. Möller, A.J. Sierk, T. Ichikawa, H. Sagawa, Atomic Data and Nuclear Data Tables, 2016, vol. 109-110, pp. 1-204.
[5] N.J. Stone, https://www-nds.iaea.org/publications/indc/indc-nds-0658/; Atomic Data and Nuclear Data Tables, 2016, vol. 111-112, pp. 1–28.
[6] H. de Vries, C.W. de Jager, C. de Vries, Atomic Data and Nuclear Data Tables, 1987, vol. 36, pp. 495-536.
[7] B. Pritychenko, M. Birch, B. Singh, M. Horoi, Atomic Data and Nuclear Data Tables, 2016, vol. 107, pp. 1–139; 2017, vol. 114, pp. 371–374.
[8] T. Kibedi and R.H. Spear, Atomic Data and Nuclear Data Tables, 2002, vol. 80, pp. 35-82.