Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
3618Ar18   Argon
J(π)=0+
T1/2=stable
Abundance: 0.3336% 21
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -30.23154
(0.000027)		 -29.570 3.220
BE 306.717 306.055
BE/A 8.520 8.502
<R2ch>1/2 = 3.3905 ± 0.0023 fm [3]
Charge-density Distribution [6]

β2= -0.255
β3= 0.000
β4= -0.109
β6= -0.002
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-6640.91
β- - decay-12814.44
β+ - decay-1731.56
e-capture-709.56
1p - decay-8507.00
2p - decay-14877.85
1n - decay-15255.43
2n - decay-27995.85
2β- - decay-23780.32
β-,n-27129.91
β-,2n-45154.10
β-,d-24988.91
β-,t-35797.01
β-,α-19321.73
β-,n,α-33661.58
EC,p-8674.36
EC,2p-20260.88
EC,α-8351.60
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 5.20
Scattering 73.70
 
μ (nm) Q (b) E* (keV)
+1.0(4)1970
+0.11(6)1970
B(E2)↑ = 0.0301 ( +20) e2b2,    β 0  = 0.2573 ( +87)
 -112 -48

B(E3)↑ = 0.0111 ( 11) e2b3,    β 0  = 0.394 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.