Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
17172Hf99   Hafnium
J(π)=7/2(+)
T1/2=12.10 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -55.431345
(0.028876)		 -55.490 0.710
BE 1379.298 1379.357
BE/A 8.066 8.066
<R2ch>1/2 = 5.3041 ± 0.0049 fm [3]
Charge-density Distribution [6]

β2= 0.274
β3= 0.000
β4= -0.008
β6= -0.016
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2734.66
β- - decay-3711.04
β+ - decay1376.60
e-capture2398.60
1p - decay-5413.31
2p - decay-9632.24
1n - decay-7248.79
2n - decay-16857.06
2β- - decay-8345.18
β-,n-13364.94
β-,2n-21283.48
β-,d-13850.12
β-,t-15020.56
β-,α-355.08
β-,n,α-9906.53
EC,p-1955.65
EC,2p-8733.74
EC,α4687.77
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 21.93 keV
T1/2 = 29.50 s
IT
100%
    
μ (nm) Q (b) E* (keV)
+3.46(3)0
-0.674(12)0
+0.526(16)22
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.