Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
12155Cs66   Cesium
J(π)=3/2(+)
T1/2=2.58 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -77.102331
(0.01429)		 -77.280 2.740
BE 1010.703 1010.881
BE/A 8.353 8.354
<R2ch>1/2 = 4.7769 ± 0.0078 fm [3]
Charge-density Distribution [6]

β2= 0.250
β3= 0.000
β4= 0.012
β6= -0.011
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay908.85
β- - decay-6357.46
β+ - decay4356.62
e-capture5378.62
1p - decay-2218.91
2p - decay-7914.80
1n - decay-11284.99
2n - decay-20939.88
2β- - decay-14832.26
β-,n-16284.96
β-,2n-28654.81
β-,d-17932.94
β-,t-23642.73
β-,α-5341.86
β-,n,α-14551.77
EC,p-638.18
EC,2p-4499.15
EC,α5568.16
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 68.5 keV
T1/2 = 2.03 m
β+, EC
83%		IT
17%
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+5.41(3)~36m
0.79(2)0
+0.770(4)0
+2.53(13)~36
+0.79(4)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.