Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
7734Se43   Selenium
J(π)=1/2-
T1/2=stable
Abundance: 7.63% 16
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -74.599485
(0.000063)
-75.280 3.830
BE 669.491 670.172
BE/A 8.695 8.704
<R2ch>1/2 = 4.1395 ± 0.0018 fm [3]
Charge-density Distribution [6]

β2= -0.258
β3= 0.000
β4= -0.031
β6= 0.012
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-5726.86
β- - decay-1364.64
β+ - decay-1705.20
e-capture-683.20
1p - decay-9597.11
2p - decay-17320.52
1n - decay-7418.84
2n - decay-18572.60
- - decay-4429.97
β-,n-12381.68
β-,2n-21634.93
β-,d-15565.67
β-,t-17336.05
β--6071.60
β-,n,α-16865.85
EC,p-8675.63
EC,2p-20712.94
EC,α-7325.09
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 161.9223 keV
T1/2 = 17.36 s
IT
100%
γ-energies
σ (b)
Capture 42.00
Scattering 8.43
 
μ (nm) Q (b) E* (keV)
+1.0(3)439
+1.12(3)250
0.5350743(3)0
+0.5350422(6)0
+0.76(5)250
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.