Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4518Ar27   Argon
J(π)=5/2-,7/2-
T1/2=21.48 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -29.770796
(0.000512)		 -29.850 1.380
BE 378.898 378.977
BE/A 8.420 8.422
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= -0.154
β3= 0.000
β4= -0.038
β6= -0.040
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-13187.12
β- - decay6844.88
β+ - decay-12433.08
e-capture-11411.08
1p - decay-16450.07
2p - decay-32153.34
1n - decay-5168.84
2n - decay-13903.59
2β- - decay11041.43
β-,n-2060.57
β-,2n-9337.97
β-,d-10896.65
β-,t-10297.89
β-,α-4888.47
β-,n,α-12709.15
EC,p-27855.60
EC,2p-49028.66
EC,α-27215.96
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.