Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
23189Ac142   Actinium
J(π)=1/2+
T1/2=7.50 m
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess 35.762849
(0.013041)
36.090 -0.260
BE 1759.083 1758.756
BE/A 7.615 7.614
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.205
β3= 0.000
β4= 0.103
β6= 0.010
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay3652.17
β- - decay1945.34
β+ - decay-3475.67
e-capture-2453.67
1p - decay-6042.46
2p - decay-14489.51
1n - decay-6146.83
2n - decay-11077.96
- - decay2336.96
β-,n-3172.66
β-,2n-9966.49
β-,d-8071.02
β-,t-8083.30
β-6158.53
β-,n,α1597.11
EC,p-11036.76
EC,2p-18177.59
EC,α452.08
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.