Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
274111Rg163   Roentgenium
J(π)=
T1/2=12.00 ms
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess 144.617
(0.177)
142.040 -6.710
BE 1980.084 1982.661
BE/A 7.227 7.236
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.222
β3= 0.000
β4= -0.093
β6= 0.000
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay11478.10
β- - decay-4589.96
β+ - decay4419.97
e-capture5441.97
1p - decay-1055.00
2p - decay-3543.00
1n - decay-6090.30
2n - decay-14298.60
- - decay-13029.93
β-,n-13211.26
β-,2n-20452.56
β-,d-11291.66
β-,t-13039.76
β-7512.86
β-,n,α-714.90
EC,p2820.96
EC,2p1031.97
EC,α17102.07
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
α-energies
    
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.