Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15263Eu89   Europium
J(π)=3-
T1/2=13.52 y
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -72.887371
(0.001717)
-73.970 1.370
BE 1250.440 1251.523
BE/A 8.227 8.234
<R2ch>1/2 = 5.1064 ± 0.0066 fm [3]
Charge-density Distribution [6]

β2= 0.226
β3= 0.000
β4= 0.070
β6= -0.007
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay1552.80
β- - decay1818.95
β+ - decay852.56
e-capture1874.56
1p - decay-5600.77
2p - decay-13868.91
1n - decay-6306.70
2n - decay-14238.15
- - decay-2171.01
β-,n-6770.68
β-,2n-13266.33
β-,d-11231.21
β-,t-11396.66
β-4023.83
β-,n,α-4117.53
EC,p-6791.02
EC,2p-13786.33
EC,α2095.50
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 45.5998 keV
T1/2 = 9.31 h
β+, EC
27%
β-
73%
E = 147.86 keV
T1/2 = 1.60 h
IT
100%
β- endpoint energies
β+ endpoint energies
γ-energies
σ (b)
Capture12800.00
Total70000.00
 
μ (nm) Q (b) E* (keV)
+2.72(3)0
-1.9401(8)0
-1.950(12)0
-1.96(6)0
-1.9414(13)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.