Measurement of the thermal neutron capture cross section by Be9 using the neutron flux from a nuclear research reactor and the AMS technique

2020 ◽  
Vol 102 (4) ◽  
Author(s):  
D. J. Marín-Lámbarri ◽  
J. García-Ramírez ◽  
E. Sánchez-Zúñiga ◽  
S. Padilla ◽  
L. Acosta ◽  
...  
Keyword(s):  
Neutron Flux ◽  
Cross Section ◽  
Neutron Capture ◽  
Capture Cross Section ◽  
Research Reactor ◽  
Nuclear Research ◽  
Thermal Neutron Capture ◽  
Capture Cross ◽  
Neutron Capture Cross Section ◽  
Nuclear Research Reactor

THERMAL NEUTRON CAPTURE CROSS-SECTION OF Na23 AND Mn55

1953 ◽  
Vol 31 (3) ◽  
pp. 204-206 ◽  
Author(s):  
Rosalie M. Bartholomew ◽  
R. C. Hawkings ◽  
W. F. Merritt ◽  
L. Yaffe
Keyword(s):  
Thermal Neutron ◽  
Cross Section ◽  
Cross Sections ◽  
Neutron Capture ◽  
Half Life ◽  
Capture Cross Section ◽  
Thermal Neutron Capture ◽  
Capture Cross ◽  
Neutron Capture Cross Section ◽  
Capture Cross Sections

The thermal neutron capture cross sections of Na23 and Mn55 have been determined using the activation method. The values are 0.53 ± 0.03 and 12.7 ± 0.3 barns respectively with respect to σAul97 = 93 barns. These agree well with recent pile oscillator results. The half-life for Mn56 is found to be 2.576 ± 0.002 hr.

THE THERMAL NEUTRON CAPTURE CROSS SECTION OF AU198 AND THE HALF-LIFE OF AU199

1955 ◽  
Vol 33 (8) ◽  
pp. 457-465 ◽  
Author(s):  
R. E. Bell ◽  
R. L. Graham ◽  
L. Yaffe
Keyword(s):  
Thermal Neutron ◽  
Cross Section ◽  
Neutron Capture ◽  
Half Life ◽  
Capture Cross Section ◽  
Neutron Cross Section ◽  
Thermal Neutron Capture ◽  
Capture Cross ◽  
Neutron Capture Cross Section ◽  
Thermal Neutron Cross Section

The thermal neutron capture cross section of radioactive Au198 has been measured by the activation method as 26,000 ± 1200 barns, assuming 99 barns for the thermal neutron cross section of Au197. Metallic Au197 was bombarded in fluxes up to 9 × 1013 thermal neutrons cm.−2 sec.−1 to produce a mixture of Au198 and Au199 by the successive neutron capture reactions Au197(n, γ)Au198(n, γ)Au199. The ratio of the Au199 activity to Au198 activity so produced yields σc(Au197). In a preliminary experiment, the half-life of Au199 was measured as 3.148 ± 0.010 days.

scholarly journals The thermal neutron capture cross section of 129I

2007 ◽  
Author(s):  
T. Belgya ◽  
O. Bouland ◽  
G. Noguere ◽  
A. Plompen ◽  
P. Schillebeeckx ◽  
...  
Keyword(s):  
Thermal Neutron ◽  
Cross Section ◽  
Neutron Capture ◽  
Capture Cross Section ◽  
Thermal Neutron Capture ◽  
Capture Cross ◽  
Neutron Capture Cross Section
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