Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
22995Am134   Americium
J(π)=
T1/2=900.00 ms
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess  
 
42.240 0.260
BE   1731.769
BE/A   7.562
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.206
β3= 0.000
β4= 0.103
β6= 0.020
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay8575.10
β- - decay-5529.96
β+ - decay3637.97
e-capture4659.97
1p - decay-1359.00
2p - decay-4798.00
1n - decay-8601.30
2n - decay-15912.60
- - decay-11709.93
β-,n-12981.26
β-,2n-21922.56
β-,d-12905.66
β-,t-15249.76
β-3865.14
β-,n,α-3176.17
EC,p1070.96
EC,2p-1398.03
EC,α12805.07
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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.