Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4018Ar22   Argon
J(π)=0+
T1/2=stable
Abundance: 99.6035% 25
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -35.03989464
(0.00000224)		 -36.900 2.790
BE 343.810 345.671
BE/A 8.595 8.642
<R2ch>1/2 = 3.4274 ± 0.0026 fm [3]
Charge-density Distribution [6]

β2= -0.031
β3= 0.000
β4= 0.000
β6= -0.039
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-6800.67
β- - decay-1504.37
β+ - decay-8504.12
e-capture-7482.12
1p - decay-12528.70
2p - decay-22756.71
1n - decay-9869.00
2n - decay-16467.67
2β- - decay-193.44
β-,n-9303.97
β-,2n-22381.71
β-,d-13460.74
β-,t-19042.01
β-,α-7942.74
β-,n,α-16522.52
EC,p-19166.58
EC,2p-34948.37
EC,α-17213.80
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 0.66
 
μ (nm) Q (b) E* (keV)
-0.2(2)1461
-0.03(8)1461
-0.04(6)1461
+0.01(4)1461
B(E2)↑ = 0.0332 ( 17) e2b2,    β 0  = 0.2519 (66)
2

B(E3)↑ = 0.0087 ( 10) e2b3,    β 0  = 0.314 (0)
3

  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.