Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
7634Se42   Selenium
J(π)=0+
T1/2=stable
Abundance: 9.37% 29
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -75.25195
(0.000016)		 -75.600 4.100
BE 662.073 662.421
BE/A 8.711 8.716
<R2ch>1/2 = 4.1395 ± 0.0016 fm [3]
Charge-density Distribution [6]

β2= -0.248
β3= 0.000
β4= -0.033
β6= 0.011
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-5090.95
β- - decay-4962.85
β+ - decay-3982.61
e-capture-2960.61
1p - decay-9506.76
2p - decay-16407.51
1n - decay-11153.77
2n - decay-19181.35
2β- - decay-6237.74
β-,n-14216.10
β-,2n-26106.27
β-,d-16174.41
β-,t-21974.33
β-,α-9447.02
β-,n,α-17855.06
EC,p-10684.02
EC,2p-21780.37
EC,α-9088.63
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
  
σ (b)
Capture 85.00
Scattering 18.40
 
μ (nm) Q (b) E* (keV)
2.6(4)1332
0.70(12)1216
+0.8(2)559
+0.8(2)559
+0.80(5)559
-0.34(7)559
B(E2)↑ = 0.432 ( +15) e2b2,    β 0  = 0.3133 ( +55)
 -62 -20

B(E3)↑ = 0.032 ( 7) e2b3,    β 0  = 0.168 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.