Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
23489Ac145   Actinium
J(π)=
T1/2=44.00 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 44.84119
(0.013972)		 44.980 -0.600
BE 1774.218 1774.080
BE/A 7.582 7.582
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.226
β3= 0.000
β4= 0.095
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 - decay2905.72
β- - decay4226.78
β+ - decay-3074.12
e-capture-2052.12
1p - decay-6770.16
2p - decay-15722.81
1n - decay-4538.14
2n - decay-10455.83
2β- - decay4500.90
β-,n-1963.72
β-,2n-6750.09
β-,d-7448.89
β-,t-5871.42
β-,α7900.02
β-,n,α1796.52
EC,p-11481.85
EC,2p-19108.03
EC,α368.25
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
       
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.