Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
21885At133   Astatine
J(π)=
T1/2=1.50 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 8.099083
(0.011621)		 8.530 -3.010
BE 1684.949 1684.518
BE/A 7.729 7.727
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.090
β3= -0.139
β4= 0.055
β6= 0.012
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay6874.01
β- - decay2881.27
β+ - decay-1281.76
e-capture-259.76
1p - decay-5075.24
2p - decay-12352.91
1n - decay-4368.14
2n - decay-10301.04
2β- - decay1039.68
β-,n-3631.11
β-,2n-8296.72
β-,d-7294.11
β-,t-5595.82
β-,α10143.82
β-,n,α4256.00
EC,p-7919.91
EC,2p-13958.95
EC,α5854.93
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.