Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4219K23   Potassium
J(π)=2-
T1/2=12.36 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -35.022026
(0.000106)		 -36.800 3.080
BE 359.153 360.931
BE/A 8.551 8.594
<R2ch>1/2 = 3.4476 ± 0.0132 fm [3]
Charge-density Distribution [6]

β2= -0.053
β3= 0.000
β4= -0.011
β6= 0.001
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-7648.84
β- - decay3525.25
β+ - decay-1621.39
e-capture-599.39
1p - decay-9243.52
2p - decay-22042.21
1n - decay-7533.78
2n - decay-17629.13
2β- - decay-2900.81
β-,n-7955.40
β-,2n-16318.20
β-,d-14622.20
β-,t-16164.60
β-,α-2732.07
β-,n,α-14570.54
EC,p-15003.87
EC,2p-26762.22
EC,α-10585.77
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)
-1.1425(6)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.