Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
16668Er98   Erbium
J(π)=0+
T1/2=stable
Abundance: 33.503% 36
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -64.925569
(0.00203)		 -65.040 0.090
BE 1351.565 1351.679
BE/A 8.142 8.143
<R2ch>1/2 = 5.2516 ± 0.0031 fm [3]
Charge-density Distribution [6]

β2= 0.285
β3= 0.000
β4= 0.007
β6= -0.023
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay829.70
β- - decay-3037.63
β+ - decay-2877.01
e-capture-1855.01
1p - decay-7316.30
2p - decay-13536.91
1n - decay-8476.47
2n - decay-15126.58
2β- - decay-3330.22
β-,n-10068.02
β-,2n-19164.41
β-,d-12119.65
β-,t-14708.76
β-,α-1309.63
β-,n,α-8225.20
EC,p-8603.30
EC,2p-17426.94
EC,α-1675.86
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 19.60
Scattering 14.20
 
μ (nm) Q (b) E* (keV)
2.2(3)786
-2.7(9)265
-1.9(4)81
+0.649(10)81
+0.632(10)81
+1.14(8)265
+1.26(6)265
+1.72(9)545
+1.6(2)545
+1.55(7)545
+0.74(5)786
+0.56(9)786
+2.2(2)911
+1.9(3)911
+2.1(4)911
+1.5(2)1216
+2.8(4)1350
+2.0(8)1350
B(E2)↑ = 5.748 ( 89) e2b2,    β 0  = 0.3396 (26)
2

B(E3)↑ = 0.061 ( 10) e2b3,    β 0  = 0.053 (0)
3

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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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