Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4418Ar26   Argon
J(π)=0+
T1/2=11.87 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -32.673255
(0.001584)		 -33.350 2.020
BE 373.729 374.406
BE/A 8.494 8.509
<R2ch>1/2 = 3.4454 ± 0.0046 fm [3]
Charge-density Distribution [6]

β2= -0.144
β3= 0.000
β4= -0.039
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-12260.31
β- - decay3108.27
β+ - decay-13085.56
e-capture-12063.56
1p - decay-15639.63
2p - decay-29613.51
1n - decay-8734.75
2n - decay-14393.18
2β- - decay8795.47
β-,n-4169.13
β-,2n-13793.79
β-,d-11386.24
β-,t-14555.51
β-,α-7540.31
β-,n,α-13369.23
EC,p-27766.83
EC,2p-48261.03
EC,α-27023.77
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
γ-energies
 
B(E2)↑ = 0.0358 ( +36) e2b2,    β 0  = 0.246 ( +12)
 -222 -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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.