Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
4020Ca20   Calcium
J(π)=0+
T1/2=stable
Abundance: 96.94% 16
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -34.846386
(0.000021)		 -35.420 1.980
BE 342.052 342.626
BE/A 8.551 8.566
<R2ch>1/2 = 3.4778 ± 0.0012 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-7039.75
β- - decay-14323.01
β+ - decay-2332.93
e-capture-1310.93
1p - decay-8328.20
2p - decay-14709.57
1n - decay-15634.98
2n - decay-28930.49
2β- - decay-25995.93
β-,n-28744.94
β-,2n-46442.95
β-,d-25923.55
β-,t-36660.08
β-,α-19854.19
β-,n,α-34169.66
EC,p-8893.23
EC,2p-19626.33
EC,α-7749.30
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 0.41
Scattering 3.01
 
μ (nm) Q (b) E* (keV)
+2.6(5)4492
+1.6(3)3737
+1.6(3)3737
B(E2)↑ = 0.00924 ( 68) e2b2,    β 0  = 0.1196 (44)
2

B(E3)↑ = 0.0184 ( 20) e2b3,    β 0  = 0.411 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.