Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4119K22   Potassium
J(π)=3/2+
T1/2=stable
Abundance: 6.7302% 44
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -35.55954329
(0.0000038)		 -37.480 2.750
BE 351.619 353.540
BE/A 8.576 8.623
<R2ch>1/2 = 3.4479 ± 0.0161 fm [3]
Charge-density Distribution [6]

β2= -0.032
β3= 0.000
β4= 0.000
β6= -0.010
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-6222.92
β- - decay-421.62
β+ - decay-3514.07
e-capture-2492.07
1p - decay-7808.65
2p - decay-20337.35
1n - decay-10095.35
2n - decay-17894.95
2β- - decay-6917.06
β-,n-8784.42
β-,2n-24419.41
β-,d-14888.02
β-,t-21708.55
β-,α-7036.76
β-,n,α-15824.17
EC,p-15290.77
EC,2p-26975.23
EC,α-11088.07
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 1.46
 
μ (nm) Q (b) E* (keV)
7(3)4983
3.0(5)2774
4.5(10)2528
+4.42(5)1294
+0.21489274(12)0
+0.2148701(2)0
+0.0711(7)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.