Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
23291Pa141   Protactinium
J(π)=(2-)
T1/2=1.32 d
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess 35.947972
(0.007735)
36.440 -0.890
BE 1765.404 1764.912
BE/A 7.610 7.607
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.206
β3= 0.000
β4= 0.116
β6= 0.013
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay4626.69
β- - decay1337.14
β+ - decay-522.77
e-capture499.23
1p - decay-5158.57
2p - decay-12468.41
1n - decay-5549.28
2n - decay-12369.41
- - decay-1412.96
β-,n-5930.81
β-,2n-11809.59
β-,d-9362.47
β-,t-8900.18
β-6750.78
β-,n,α-354.51
EC,p-7103.91
EC,2p-13146.37
EC,α4580.84
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
γ-energies
σ (b)
Capture 464.00
Fission 700.00
 
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.