Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
9641Nb55   Niobium
J(π)=6+
T1/2=23.35 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -85.606827
(0.00323)		 -84.490 2.910
BE 828.377 827.261
BE/A 8.629 8.617
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.172
β3= 0.000
β4= 0.036
β6= -0.005
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-3214.67
β- - decay3186.84
β+ - decay-1184.25
e-capture-162.25
1p - decay-7234.27
2p - decay-17831.98
1n - decay-6893.07
2n - decay-15380.22
2β- - decay213.63
β-,n-5967.47
β-,2n-13336.55
β-,d-12373.29
β-,t-13343.61
β-,α427.94
β-,n,α-8206.83
EC,p-11684.54
EC,2p-21339.11
EC,α-5164.37
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
4.975(4)0
4.976(4)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.