Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15668Er88   Erbium
J(π)=0+
T1/2=19.50 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -64.210384
(0.024639)		 -64.230 1.600
BE 1270.137 1270.156
BE/A 8.142 8.142
<R2ch>1/2 = 5.1429 ± 0.0285 fm [3]
Charge-density Distribution [6]

β2= 0.205
β3= 0.000
β4= 0.028
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 - decay3482.66
β- - decay-7381.37
β+ - decay245.92
e-capture1267.92
1p - decay-5460.23
2p - decay-8394.71
1n - decay-10072.71
2n - decay-17748.06
2β- - decay-10951.86
β-,n-15655.81
β-,2n-25925.79
β-,d-14741.12
β-,t-18687.97
β-,α-3036.21
β-,n,α-11083.97
EC,p-2344.45
EC,2p-8632.73
EC,α4080.97
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)
0.80(12)345
B(E2)↑ = 1.645 ( 80) e2b2,    β 0  = 0.1893 (46)
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.