Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
3818Ar20   Argon
J(π)=0+
T1/2=stable
Abundance: 0.0629% 7
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -34.71482
(0.000195)		 -35.140 2.680
BE 327.343 327.768
BE/A 8.614 8.625
<R2ch>1/2 = 3.4028 ± 0.0019 fm [3]
Charge-density Distribution [6]

β2= 0.000
β3= 0.000
β4= 0.000
β6= 0.000
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-7208.03
β- - decay-5914.03
β+ - decay-5938.77
e-capture-4916.77
1p - decay-10242.30
2p - decay-18628.70
1n - decay-11838.47
2n - decay-20625.88
2β- - decay-12656.25
β-,n-17985.89
β-,2n-33440.32
β-,d-17618.94
β-,t-26617.18
β-,α-12699.60
β-,n,α-24207.65
EC,p-15107.45
EC,2p-29041.83
EC,α-12591.06
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 0.80
Scattering 1.50
 
μ (nm) Q (b) E* (keV)
+2.2(22)3937
+0.5(2)2167
B(E2)↑ = 0.01245 ( 42) e2b2,    β 0  = 0.1595 (27)
2

B(E3)↑ = 0.01 ( 3) e2b3,    β 0  = 0.354 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.