Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
3719K18   Potassium
J(π)=3/2+
T1/2=1.23 s
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -24.800199
(0.000094)		 -25.060 2.700
BE 308.575 308.834
BE/A 8.340 8.347
<R2ch>1/2 = 3.4189 ± 0.0298 fm [3]
Charge-density Distribution [6]

β2= -0.062
β3= 0.000
β4= -0.022
β6= -0.037
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-6221.76
β- - decay-11664.10
β+ - decay5125.41
e-capture6147.41
1p - decay-1857.66
2p - decay-10364.66
1n - decay-15454.43
2n - decay-29769.91
2β- - decay-28284.13
β-,n-26420.31
β-,2n-45730.76
β-,d-26762.97
β-,t-38529.96
β-,α-17840.77
β-,n,α-33096.01
EC,p-2567.22
EC,2p-10532.02
EC,α-639.28
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
g=+1.5(1)1379
+0.20321(6)0
+0.106(4)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.