Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
11855Cs63   Cesium
J(π)=2
T1/2=14.00 s
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -68.409367
(0.012753)
-68.600 2.640
BE 977.796 977.987
BE/A 8.286 8.288
<R2ch>1/2 = 4.7832 ± 0.0092 fm [3]
Charge-density Distribution [6]

β2= 0.260
β3= -0.013
β4= 0.064
β6= -0.008
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay1961.73
β- - decay-6055.33
β+ - decay8647.65
e-capture9669.65
1p - decay-1513.03
2p - decay-5495.13
1n - decay-9987.58
2n - decay-22488.97
- - decay-18788.30
β-,n-18858.94
β-,2n-29854.93
β-,d-19482.03
β-,t-23660.13
β--3748.34
β-,n,α-16701.90
EC,p4737.68
EC,2p2281.56
EC,α11054.27
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 0+x keV
T1/2 = 17.00 s
β+, EC
100%
EC, p
0.042%
ECα
0.0024%
   
μ (nm) Q (b) E* (keV)
5.4(11)(0)
+3.876(5)(0)
+1.31(17)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.