Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15768Er89   Erbium
J(π)=3/2-
T1/2=18.65 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -63.389417
(0.025028)		 -63.920 1.700
BE 1277.387 1277.918
BE/A 8.136 8.140
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.216
β3= 0.000
β4= 0.030
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 - decay3328.27
β- - decay-4653.21
β+ - decay2419.12
e-capture3441.12
1p - decay-5200.08
2p - decay-8812.45
1n - decay-7250.33
2n - decay-17323.04
2β- - decay-9963.83
β-,n-14631.70
β-,2n-22906.15
β-,d-14316.10
β-,t-15734.25
β-,α-801.99
β-,n,α-10286.55
EC,p-150.12
EC,2p-6717.99
EC,α5498.59
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 155.4 keV
T1/2 = 76.00 ms
IT
100%
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+0.92(1)0
-0.414(3)0
0.4(4)266+x
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.