Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15564Gd91   Gadolinium
J(π)=3/2-
T1/2=stable
Abundance: 14.8% 12
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -72.06925
(0.001624)		 -72.750 1.230
BE 1273.054 1273.734
BE/A 8.213 8.218
<R2ch>1/2 = 5.1319 ± 0.0041 fm [3]
Charge-density Distribution [6]

β2= 0.249
β3= 0.000
β4= 0.087
β6= -0.002
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay81.45
β- - decay-819.75
β+ - decay-1274.13
e-capture-252.13
1p - decay-7621.07
2p - decay-14088.20
1n - decay-6435.21
2n - decay-15329.92
2β- - decay-2914.21
β-,n-9984.83
β-,2n-16898.87
β-,d-12322.99
β-,t-12312.73
β-,α157.86
β-,n,α-7773.59
EC,p-6903.76
EC,2p-15999.69
EC,α-1108.80
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 121.05 keV
T1/2 = 31.97 ms
IT
100%
γ-energies
σ (b)
Capture60900.00
Scattering 60.00
 
μ (nm) Q (b) E* (keV)
+1.27(5)105
+0.110(8)87
+1.27(3)0
-0.2572(4)0
-0.2591(5)0
-0.525(2)87
-0.518(5)87
-0.533(4)87
+0.143(5)105
+0.4(4)146
+1.2(3)252
+1.5(3)392
+1.9(3)534
+2.6(5)730
+2.2(9)897
+2.9(10)1142
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.