Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
21484Po130   Polonium
J(π)=0+
T1/2=164.30 µs
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -4.469603
(0.001527)
-4.160 -6.200
BE 1666.015 1665.705
BE/A 7.785 7.784
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.000
β3= 0.000
β4= 0.000
β6= 0.000
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay7833.48
β- - decay-1090.17
β+ - decay-4291.81
e-capture-3269.81
1p - decay-6528.33
2p - decay-11500.36
1n - decay-5887.82
2n - decay-10243.16
- - decay-150.16
β-,n-5961.71
β-,2n-11984.38
β-,d-7236.23
β-,t-6987.24
β-7897.00
β-,n,α3292.38
EC,p-8556.99
EC,2p-17496.64
EC,α2351.51
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 609.316 keV
T1/2 = -1
α
0.00026%
IT
100%
E = 1274.766 keV
T1/2 = -1
α
0.0015%
IT
100%
E = 1543.372 keV
T1/2 = -1
α
0.0017%
IT
100%
E = 1661.279 keV
T1/2 = -1
α
0.0034%
IT
100%
E = 1729.609 keV
T1/2 = -1
α
0.00011%
IT
100%
E = 1847.443 keV
T1/2 = -1
α
0.0012%
IT
100%
E = 2017.309 keV
T1/2 = -1
α
0.0014%
IT
100%
E = 2147.83 keV
T1/2 = -1
α
0.02%
IT
99.98%
E = 2266.41 keV
T1/2 = -1
α
0.033%
IT
99.97%
E = 2447.702 keV
T1/2 = -1
α
0.005%
IT
100%
α-energies
 
B(E2)↑ = 0.794 ( 0) e2b2,    β 0  = 0.0863 (0)
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.