Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
19787Fr110   Francium
J(π)=(7/2-)
T1/2=600.00 µs
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess  
 
10.320 0.910
BE   1511.666
BE/A   7.673
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= -0.247
β3= 0.000
β4= 0.023
β6= 0.007
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay8095.10
β- - decay-9919.97
β+ - decay7777.97
e-capture8799.97
1p - decay831.00
2p - decay-718.00
1n - decay-10871.30
2n - decay-20382.60
- - decay-20149.93
β-,n-19041.27
β-,2n-30432.56
β-,d-17375.66
β-,t-22009.77
β--1184.87
β-,n,α-10426.17
EC,p7230.96
EC,2p6631.97
EC,α16195.06
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.