Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
21186Rn125   Radon
J(π)=1/2-
T1/2=14.60 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -8.755009
(0.00683)		 -8.740 -7.940
BE 1644.522 1644.507
BE/A 7.794 7.794
<R2ch>1/2 = 5.585 ± 0.0176 fm [3]
Charge-density Distribution [6]

β2= 0.000
β3= 0.000
β4= 0.000
β6= 0.000
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay5965.39
β- - decay-4615.16
β+ - decay1869.78
e-capture2891.78
1p - decay-4072.35
2p - decay-6967.44
1n - decay-7221.77
2n - decay-15968.78
2β- - decay-9586.96
β-,n-13493.77
β-,2n-21129.62
β-,d-12961.85
β-,t-14049.55
β-,α2047.03
β-,n,α-6822.19
EC,p-91.35
EC,2p-5074.89
EC,α8874.17
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)
1.6(2)8855+y
0.19(2)1578+x
+0.601(7)0
+7.75(8)1578+x
+17.8(2)3926+x
+15.9(4)5246+y
+18.8(2)6100+y
+19.6(2)8855+y
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.