Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
19276Os116   Osmium
J(π)=0+
T1/2=stable
Abundance: 40.78% 19
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -35.883945
(0.002726)
-35.890 -3.400
BE 1526.119 1526.125
BE/A 7.949 7.949
<R2ch>1/2 = 5.4126 ± 0.0015 fm [3]
Charge-density Distribution [6]

β2= 0.164
β3= 0.000
β4= -0.077
β6= 0.018
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay361.03
β- - decay-1046.27
β+ - decay-5317.16
e-capture-4295.16
1p - decay-8820.89
2p - decay-16081.05
1n - decay-7558.39
2n - decay-13317.10
- - decay408.30
β-,n-7244.37
β-,2n-15270.89
β-,d-10310.17
β-,t-11845.25
β-710.07
β-,n,α-5161.57
EC,p-11996.81
EC,2p-21948.98
EC,α-4696.85
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 2015.4 keV
T1/2 = 5.90 s
IT
87%
β-
13%
E = 4113.8 keV
T1/2 = 190.00 ns
IT
100%
γ-energies
σ (b)
Capture 2.00
 
μ (nm) Q (b) E* (keV)
-0.7(3)489
-0.96(3)206
+0.79(2)206
+0.58(4)489
+1.56(12)580
+1.7(4)910
B(E2)↑ = 2.03 ( 10) e2b2,    β 0  = 0.1639 (40)
2

B(E3)↑ = 0.131 ( 9) e2b3,    β 0  = 0.06 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.