Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
18876Os112   Osmium
J(π)=0+
T1/2=stable
Abundance: 13.24% 8
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -41.13927
(0.001506)
-41.310 -2.110
BE 1499.089 1499.260
BE/A 7.974 7.975
<R2ch>1/2 = 5.3993 ± 0.0011 fm [3]
Charge-density Distribution [6]

β2= 0.198
β3= 0.000
β4= -0.085
β6= 0.014
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2143.39
β- - decay-2787.85
β+ - decay-3142.43
e-capture-2120.43
1p - decay-7209.73
2p - decay-13206.46
1n - decay-7989.56
2n - decay-14279.49
- - decay-3310.19
β-,n-9661.16
β-,2n-18107.07
β-,d-11272.56
β-,t-13279.19
β-660.58
β-,n,α-5824.22
EC,p-8522.02
EC,2p-17107.50
EC,α-722.65
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
 
σ (b)
Capture 4.70
Scattering 7.70
 
μ (nm) Q (b) E* (keV)
+1.69(9)2121
+1.0(3)633
-1.46(4)155
+0.58(2)155
0.61(3)155
+0.60(3)155
+1.43(14)478
+0.78(7)633
+2.5(4)940
+1.6(5)966
-0.17(11)1771
B(E2)↑ = 2.5 ( 36) e2b2,    β 0  = 0.1844 (13)
2

B(E3)↑ = 0.147 ( 8) e2b3,    β 0  = 0.065 (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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.