Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
19885At113   Astatine
J(π)=(3+)
T1/2=4.20 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -6.721
(0.051)		 -6.640 -0.620
BE 1538.343 1538.262
BE/A 7.769 7.769
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= -0.207
β3= 0.000
β4= 0.015
β6= -0.001
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay6890.10
β- - decay-5490.61
β+ - decay7729.89
e-capture8751.89
1p - decay-651.93
2p - decay-3289.97
1n - decay-8448.07
2n - decay-18950.97
2β- - decay-15869.93
β-,n-16268.33
β-,2n-24834.60
β-,d-15944.04
β-,t-18194.94
β-,α1858.71
β-,n,α-8857.64
EC,p5677.00
EC,2p4061.60
EC,α15061.50
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 102 keV
T1/2 = 1.21 s
α
84%		β+, EC
16%
α-energies
    
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.