Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
8434Se50   Selenium
J(π)=0+
T1/2=3.26 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -75.947721
(0.001961)		 -75.800 -0.570
BE 727.339 727.191
BE/A 8.659 8.657
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.075
β3= 0.000
β4= -0.010
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-8837.32
β- - decay1835.40
β+ - decay-11116.20
e-capture-10094.20
1p - decay-13567.40
2p - decay-25110.65
1n - decay-8678.45
2n - decay-14496.40
2β- - decay6491.68
β-,n-5005.58
β-,2n-14593.01
β-,d-11489.47
β-,t-14508.48
β-,α-6158.13
β-,n,α-12807.82
EC,p-22260.32
EC,2p-37595.04
EC,α-19148.99
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
γ-energies
 
B(E2)↑ = 0.105 ( 15) e2b2,    β 0  = 0.145 (10)
2

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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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