Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
13356Ba77   Barium
J(π)=1/2+
T1/2=10.55 y
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -87.553588
(0.000994)		 -86.930 0.380
BE 1117.228 1116.604
BE/A 8.400 8.396
<R2ch>1/2 = 4.8286 ± 0.0047 fm [3]
Charge-density Distribution [6]

β2= 0.151
β3= 0.000
β4= -0.016
β6= -0.003
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-1282.43
β- - decay-2059.17
β+ - decay-504.69
e-capture517.31
1p - decay-7686.34
2p - decay-13717.96
1n - decay-7189.90
2n - decay-17012.27
2β- - decay-5135.30
β-,n-11901.22
β-,2n-19926.90
β-,d-14005.33
β-,t-15241.62
β-,α-2479.20
β-,n,α-12118.19
EC,p-5563.66
EC,2p-14688.84
EC,α-1471.38
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 288.252 keV
T1/2 = 1.62 d
EC
0.0104%		IT
99.9896%
γ-energies
 
μ (nm) Q (b) E* (keV)
+0.96(6)288
0.77167(2)0
-0.769(3)0
-0.777(14)0
+0.51(7)12
-0.91(5)288
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.