Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15868Er90   Erbium
J(π)=0+
T1/2=2.29 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -65.303808
(0.025219)		 -65.520 1.820
BE 1287.373 1287.589
BE/A 8.148 8.149
<R2ch>1/2 = 5.1761 ± 0.0312 fm [3]
Charge-density Distribution [6]

β2= 0.227
β3= 0.000
β4= 0.032
β6= -0.006
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2664.97
β- - decay-6600.58
β+ - decay-139.44
e-capture882.56
1p - decay-5762.24
2p - decay-9353.47
1n - decay-9985.69
2n - decay-17236.02
2β- - decay-9293.51
β-,n-14638.90
β-,2n-24617.39
β-,d-14229.09
β-,t-18044.60
β-,α-3089.36
β-,n,α-10787.68
EC,p-3169.21
EC,2p-9791.75
EC,α2426.94
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
γ-energies
 
μ (nm) Q (b) E* (keV)
0.72(11)192
B(E2)↑ = 3.41 ( 13) e2b2,    β 0  = 0.2703 (52)
2

  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.