Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
258101Md157   Mendelevium
J(π)=
T1/2=51.50 d
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess 91.688349
(0.004619)
91.310 -3.740
BE 1911.695 1912.073
BE/A 7.410 7.411
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.241
β3= 0.000
β4= -0.013
β6= -0.026
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay7271.30
β- - decay209.38
β+ - decay239.31
e-capture1261.31
1p - decay-4191.39
2p - decay-10076.65
1n - decay-5380.11
2n - decay-11911.25
- - decay-3095.58
β-,n-6633.35
β-,2n-12278.14
β-,d-8904.32
β-,t-8105.75
β-8359.13
β-,n,α1843.27
EC,p-5003.69
EC,2p-9930.69
EC,α7921.39
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 0+x keV
T1/2 = 57.00 m
EC
70%
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.