Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
22593Np132   Neptunium
J(π)=
T1/2=3.60 ms
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 31.587793
(0.071622)		 31.240 -0.220
BE 1711.701 1712.049
BE/A 7.608 7.609
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.132
β3= -0.139
β4= 0.070
β6= 0.006
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay8786.52
β- - decay-4709.97
β+ - decay3187.89
e-capture4209.89
1p - decay-1415.25
2p - decay-5311.24
1n - decay-8359.51
2n - decay-15154.81
2β- - decay-10729.93
β-,n-11751.27
β-,2n-20482.56
β-,d-12147.87
β-,t-14380.97
β-,α4679.93
β-,n,α-1842.37
EC,p436.10
EC,2p-2376.36
EC,α12224.50
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
       
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.