Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
3819K19   Potassium
J(π)=3+
T1/2=7.64 m
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -28.800754
(0.000195)
-28.410 2.930
BE 320.646 320.256
BE/A 8.438 8.428
<R2ch>1/2 = 3.4243 ± 0.026 fm [3]
Charge-density Distribution [6]

β2= -0.042
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-6785.57
β- - decay-6742.22
β+ - decay4892.03
e-capture5914.03
1p - decay-5142.11
2p - decay-13856.74
1n - decay-12071.85
2n - decay-27526.29
- - decay-24254.68
β-,n-23735.95
β-,2n-38492.17
β-,d-24519.35
β-,t-32577.63
β--12847.33
β-,n,α-29912.63
EC,p-4328.27
EC,2p-12714.66
EC,α-1294.00
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 130.4 keV
T1/2 = 924.00 ms
β+, EC
100%
E = 3458.14 keV
T1/2 = 21.95 µs
IT
100%
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+3.836(14)3458
+1.371(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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.