Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
21384Po129   Polonium
J(π)=9/2+
T1/2=3.72 µs
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -6.65308
(0.003094)
-6.410 -7.310
BE 1660.127 1659.884
BE/A 7.794 7.793
<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 - decay8536.14
β- - decay-73.88
β+ - decay-2444.84
e-capture-1422.84
1p - decay-5825.07
2p - decay-10739.78
1n - decay-4355.34
2n - decay-10363.55
- - decay-955.13
β-,n-6096.56
β-,2n-11148.82
β-,d-7356.62
β-,t-5650.15
β-9180.21
β-,n,α1720.47
EC,p-6394.87
EC,2p-15153.12
EC,α4559.66
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 440.45 keV
T1/2 = 93.00 ps
α
0.001%
α-energies
γ-energies
    
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.