Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
18476Os108   Osmium
J(π)=0+
T1/2=5.60e+13 y
Abundance: 0.02% 1
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -44.256643
(0.001343)
-44.810 -1.500
BE 1469.921 1470.474
BE/A 7.989 7.992
<R2ch>1/2 = 5.3823 ± 0.0022 fm [3]
Charge-density Distribution [6]

β2= 0.220
β3= 0.000
β4= -0.068
β6= -0.005
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2957.02
β- - decay-4645.76
β+ - decay-1053.96
e-capture-31.96
1p - decay-5734.43
2p - decay-10586.93
1n - decay-8663.90
2n - decay-15790.17
- - decay-6917.74
β-,n-12124.60
β-,2n-21347.53
β-,d-12783.23
β-,t-15656.45
β--844.15
β-,n,α-8167.98
EC,p-5178.47
EC,2p-12401.43
EC,α2254.61
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
 
σ (b)
Capture 3000.00
 
μ (nm) Q (b) E* (keV)
-2.7(12)120
B(E2)↑ = 3.214 ( 79) e2b2,    β 0  = 0.2121 (26)
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.