Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
14863Eu85   Europium
J(π)=5-
T1/2=54.50 d
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -76.299378
(0.010032)
-75.780 0.910
BE 1221.567 1221.047
BE/A 8.254 8.250
<R2ch>1/2 = 5.0045 ± 0.0097 fm [3]
Charge-density Distribution [6]

β2= 0.151
β3= 0.000
β4= 0.045
β6= 0.016
Excited States[1]
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Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2691.65
β- - decay-30.02
β+ - decay2014.65
e-capture3036.65
1p - decay-4322.37
2p - decay-11423.17
1n - decay-6826.28
2n - decay-15324.56
- - decay-5768.03
β-,n-9014.07
β-,2n-16356.41
β-,d-12317.62
β-,t-13257.60
β-3241.21
β-,n,α-7278.84
EC,p-4546.48
EC,2p-9951.66
EC,α5023.54
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)
+0.35(6)0
+2.340(10)0
2.2(4)0
2.1(3)0
+6.12(5)720
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.