Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
22388Ra135   Radium
J(π)=3/2+
T1/2=11.43 d
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 17.234808
(0.002501)		 17.560 -1.260
BE 1713.823 1713.498
BE/A 7.685 7.684
<R2ch>1/2 = 5.7113 ± 0.0181 fm [3]
Charge-density Distribution [6]

β2= 0.132
β3= -0.139
β4= 0.083
β6= 0.008
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay5979.01
β- - decay-591.85
β+ - decay-2171.21
e-capture-1149.21
1p - decay-6403.95
2p - decay-11815.89
1n - decay-5158.07
2n - decay-11872.03
2β- - decay-2151.24
β-,n-7458.20
β-,2n-13431.22
β-,d-8865.09
β-,t-7985.49
β-,α6191.36
β-,n,α-320.83
EC,p-6428.26
EC,2p-14125.95
EC,α4412.68
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
α-energies
γ-energies
σ (b)
Capture 130.00
Fission 0.70
 
μ (nm) Q (b) E* (keV)
+1.21(3)0
+0.271(2)0
+0.43(6)50
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.