Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
24295Am147   Americium
J(π)=1-
T1/2=16.02 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess 55.469876
(0.001797)		 55.580 -2.710
BE 1823.466 1823.356
BE/A 7.535 7.535
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.237
β3= 0.000
β4= 0.086
β6= -0.024
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay5588.51
β- - decay664.49
β+ - decay-270.73
e-capture751.27
1p - decay-4776.11
2p - decay-11425.88
1n - decay-5537.62
2n - decay-12184.70
2β- - decay-2265.05
β-,n-6304.97
β-,2n-12398.25
β-,d-9177.77
β-,t-8872.08
β-,α6880.06
β-,n,α-119.76
EC,p-6081.14
EC,2p-11824.53
EC,α5735.83
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 48.6 keV
T1/2 = 141.00 y
α
0.45%		IT
99.55%		SF
0.0000000047%
E = 2200 keV
T1/2 = 14.00 ms
SF
100%
α-energies
β- endpoint energies
γ-energies
σ (b)
Capture 2000.00
Fission 2100.00
 
μ (nm) Q (b) E* (keV)
+6.7(4)49
-2.44((3)0
+0.3879(15)0
+1.00(5)49
-1.14(8)[I=2]2200
-1.14(8)[I=3]2200
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.