Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
22989Ac140   Actinium
J(π)=(3/2+)
T1/2=1.04 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 30.698209
(0.011654)		 31.110 -0.200
BE 1748.005 1747.593
BE/A 7.633 7.631
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.185
β3= -0.028
β4= 0.113
β6= 0.021
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay4452.51
β- - decay1111.47
β+ - decay-2872.33
e-capture-1850.33
1p - decay-5532.99
2p - decay-13565.57
1n - decay-6269.48
2n - decay-11295.48
2β- - decay799.90
β-,n-4145.38
β-,2n-11250.68
β-,d-8288.54
β-,t-8562.04
β-,α6279.04
β-,n,α1374.72
EC,p-9959.90
EC,2p-16765.66
EC,α1739.13
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
γ-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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.