Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
7937Rb42   Rubidium
J(π)=5/2+
T1/2=22.90 m
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -70.802985
(0.002142)
-71.310 4.270
BE 679.491 679.998
BE/A 8.601 8.608
<R2ch>1/2 = 4.2321 ± 0.0095 fm [3]
Charge-density Distribution [6]

β2= 0.355
β3= 0.000
β4= -0.020
β6= 0.015
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-4120.77
β- - decay-5326.06
β+ - decay2617.26
e-capture3639.26
1p - decay-3912.41
2p - decay-12146.18
1n - decay-11938.87
2n - decay-22115.09
- - decay-12446.03
β-,n-15700.31
β-,2n-29142.11
β-,d-19108.16
β-,t-25273.67
β--8904.23
β-,n,α-18967.32
EC,p-4639.90
EC,2p-10781.54
EC,α-1058.44
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+5.03(7)97
+3.36(4)0
+3.3579(12)0
-0.12(4)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.