Neutron Activation Cross-Section Graphs

1957 ◽  
Vol 29 (8) ◽  
pp. 1171-1174 ◽  
Author(s):  
W. W. Meinke ◽  
R. S. Maddock
Keyword(s):  
Neutron Activation ◽  
Cross Section ◽  
Activation Cross Section

Neutron activation cross section for Ni isotopes at 14·8 MeV

1985 ◽  
Vol 35 (10) ◽  
pp. 1128-1137 ◽  
Author(s):  
I. Ribanský ◽  
J. Krištiak ◽  
L. Stoeva ◽  
C. Panteleev
Keyword(s):  
Neutron Activation ◽  
Cross Section ◽  
Activation Cross Section

Neutron activation resonance integrals of 74Se, 78Se, 80Se, 81Br, 127I, 130Te, 138Ba, 140Ce, and 142Ce

1968 ◽  
Vol 46 (22) ◽  
pp. 2473-2483 ◽  
Author(s):  
M. D. Ricabarra ◽  
R. Turjanski ◽  
G. H. Ricabarra ◽  
C. B. Bigham
Keyword(s):  
Neutron Activation ◽  
Cross Section ◽  
Thermal Activation ◽  
Resonance Integral ◽  
Secondary Standard ◽  
Activation Cross Section ◽  
Neutron Spectra ◽  
Relative Activation ◽  
Γ Ray ◽  
Activation Rates

A lithium-drift germanium γ-ray spectrometer has been used to make accurate intercomparisons of the ratio of resonance-integral to thermal-activation cross section by measuring cadmium ratios or relative activation rates in two different neutron spectra. The standard, gold, or secondary standard, indium, was mixed uniformly in the samples and the activities resolved with the spectrometer. Expressed as Westcott s0 values, the results relative to s0 = 17.7 for gold were as follows: 74Se = 10.3 ± 0.1, 78Se = 12.3 ± 0.3, 80Se = 2.65 ± 0.02, 81Br = 24.3 ± 0.5, 127I = 27.8 ± 0.5, 130Te = 2.10 ± 0.07, 138Ba = 0.649 ± 0.004, 140Ce = 0.476 ± 0.003, 142Ce = 0.865 ± 0.005.

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