Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
21585At130   Astatine
J(π)=9/2-
T1/2=100.00 µs
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -1.254862
(0.006843)
-0.740 -5.110
BE 1670.089 1669.574
BE/A 7.768 7.765
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.011
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 - decay8178.40
β- - decay-86.63
β+ - decay-1736.77
e-capture-714.77
1p - decay-4074.26
2p - decay-10602.59
1n - decay-5946.76
2n - decay-10818.30
- - decay-1573.21
β-,n-5006.75
β-,2n-11699.54
β-,d-7811.36
β-,t-7576.84
β-8752.40
β-,n,α4201.67
EC,p-7344.07
EC,2p-12631.25
EC,α6811.50
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.