Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4220Ca22   Calcium
J(π)=0+
T1/2=stable
Abundance: 0.647% 23
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -38.547243
(0.000149)		 -40.890 2.190
BE 361.896 364.239
BE/A 8.617 8.672
<R2ch>1/2 = 3.5086 ± 0.0019 fm [3]
Charge-density Distribution [6]

β2= 0.000
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-6257.32
β- - decay-6426.06
β+ - decay-4547.25
e-capture-3525.25
1p - decay-10276.70
2p - decay-18085.35
1n - decay-11480.66
2n - decay-19843.46
2β- - decay-13442.51
β-,n-17976.10
β-,2n-34166.47
β-,d-16836.52
β-,t-26214.31
β-,α-12171.35
β-,n,α-24243.21
EC,p-12768.77
EC,2p-25567.47
EC,α-11174.09
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 0.68
Scattering 1.20
 
μ (nm) Q (b) E* (keV)
-2.49(9)3189
+0.08(12)1525
-0.19(8)1525
B(E2)↑ = 0.0369 ( 20) e2b2,    β 0  = 0.2312 (62)
2

B(E3)↑ = 0.011 ( 18) e2b3,    β 0  = 0.303 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.