Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
104Be6   Beryllium
J(π)=0+
T1/2=1.51e+6 y
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 12.607488
(0.000081)		    
BE 64.976  
BE/A 6.498  
<R2ch>1/2 = 2.361 ± 0.017 fm [3]
Charge-density Distribution [6]

β2=
β3=
β4=
β6=
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-7409.51
β- - decay556.83
β+ - decay-21467.17
e-capture-20445.17
1p - decay-19636.41
2p - decay-33580.19
1n - decay-6812.26
2n - decay-8476.78
2β- - decay-3091.20
β-,n-7880.26
β-,2n-26456.65
β-,d-5469.85
β-,t-18111.28
β-,α-3904.26
β-,n,α-9567.56
EC,p-35617.44
EC,2p 
EC,α-31693.16
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 3368.03 keV
T1/2 = 125.00 fs
IT
100%
E = 5958.39 keV
T1/2 = 55.00 fs
IT
100%
E = 5959.9 keV
T1/2 = -1
IT
100%
E = 6179.3 keV
T1/2 = 800.00 fs
IT
100%
E = 6263.3 keV
T1/2 = -1
IT
100%
E = 7542 keV
T1/2 = 0.006 MeV
α
3.5%
E = 9560 keV
T1/2 = 0.141 MeV
α
0.16%
β- endpoint energies
σ (b)
Capture 0.00
 
B(E2)↑ = 0.00467 ( +23) e2b2,    β 0  = 1.071 ( +26)
 -182 -20

  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.