Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
18580Hg105   Mercury
J(π)=1/2-
T1/2=49.10 s
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -26.175551
(0.015536)
-26.380 0.560
BE 1456.782 1456.987
BE/A 7.874 7.876
<R2ch>1/2 = 5.4397 ± 0.0031 fm [3]
Charge-density Distribution [6]

β2= -0.146
β3= 0.000
β4= -0.004
β6= 0.001
Excited States[1]
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Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay5773.92
β- - decay-6417.64
β+ - decay4669.23
e-capture5691.23
1p - decay-3145.84
2p - decay-4981.20
1n - decay-7898.17
2n - decay-18513.62
- - decay-14634.27
β-,n-17373.60
β-,2n-25730.85
β-,d-15506.68
β-,t-17548.60
β--729.23
β-,n,α-11077.42
EC,p3874.25
EC,2p-550.28
EC,α10871.15
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 99.3 keV
T1/2 = 21.60 s
β+, EC
46%
IT
54%
α
0.03%
α-energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+0.2(3)99.3
+0.509(4)0
-1.017(9)99.3
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.