Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
9639Y57   Yttrium
J(π)=0-
T1/2=5.34 s
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -78.341593
(0.006383)
-76.650 3.840
BE 822.677 820.985
BE/A 8.570 8.552
<R2ch>1/2 = 4.3402 ± 0.0099 fm [3]
Charge-density Distribution [6]

β2= 0.308
β3= 0.000
β4= 0.011
β6= -0.013
Excited States[1]
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Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-5993.97
β- - decay7103.05
β+ - decay-6433.77
e-capture-5411.77
1p - decay-10508.34
2p - decay-24356.80
1n - decay-5201.57
2n - decay-12131.35
- - decay7265.30
β-,n-751.30
β-,2n-7213.26
β-,d-9124.42
β-,t-9063.70
β-2100.93
β-,n,α-5185.35
EC,p-19736.75
EC,2p-31571.86
EC,α-11997.21
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 1140 keV
T1/2 = 9.60 s
β-
100%
β- endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+6.57(3)1140
-0.98(11)1140
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.