New Measurements and the Associated Unfolding Methodologies to Characterize the Caliban Pulsed Reactor Cavity Neutron Spectrum by the Foil Activation Method

2012 ◽  
Vol 9 (3) ◽  
pp. 104020 ◽  
Author(s):  
X. Jacquet ◽  
P. Casoli ◽  
N. Authier ◽  
G. Rousseau ◽  
C. Barsu
Keyword(s):  
Neutron Spectrum ◽  
Activation Method ◽  
Pulsed Reactor ◽  
Foil Activation

NEUTRON SPECTRUM ANALYSES BY FOIL ACTIVATION METHOD FOR HIGH-ENERGY PROTON BEAMS

2009 ◽  
Author(s):  
CHEOL HO PYEON ◽  
HIROSHI SHIGA ◽  
KAZUAKI ABE ◽  
HIROSHI YASHIMA ◽  
TSUYOSHI MISAWA ◽  
...  
Keyword(s):  
Neutron Spectrum ◽  
High Energy ◽  
Activation Method ◽  
High Energy Proton ◽  
Proton Beams ◽  
Energy Proton ◽  
Foil Activation

Neural Networks for the Neutron Spectrum Determination Based on the Foil Activation Method

2002 ◽  
Vol 41 (Part 1, No. 4A) ◽  
pp. 2191-2194 ◽  
Author(s):  
Satoru Endo ◽  
Eiji Yoshida ◽  
Yusuke Yoshitake ◽  
Wenyi Zhang ◽  
Kazuo Fujikawa ◽  
...  
Keyword(s):  
Neural Networks ◽  
Neutron Spectrum ◽  
Activation Method ◽  
Foil Activation

A study of atmospheric neutrons by the resonance detector method

1968 ◽  
Vol 46 (10) ◽  
pp. S1038-S1040
Author(s):  
Yu. E. Efimov ◽  
A. M. Romanov
Keyword(s):  
Neutron Spectrum ◽  
Neutron Energy ◽  
Epithermal Neutron ◽  
Geomagnetic Latitude ◽  
Activation Method ◽  
Indium Foil ◽  
Lower Hemisphere ◽  
Epithermal Neutrons ◽  
Foil Activation ◽  
Detector Method

The possibilities and the conditions of using resonance detectors for investigation of slow neutrons in the atmosphere are discussed. The epithermal neutron fluxes from the lower hemisphere were measured by means of the indium foil activation method in June 1966 at the geomagnetic latitude 47°. Assuming the epithermal atmospheric neutron spectrum to be Φ(E) = Φ0/E and expressing the neutron energy in eV, we obtain the following values of Φ0 (neutron cm−2 s−1) from our measurements: 0.078 ± 0.019 (at a depth x = 40 g cm−2), 0.049 ± 0.015 (x = 22 g cm−2), 0.023 ± 0.010 (x = 8 g cm−2). It is pointed out that resonance detectors can be used to study the spectra of epithermal neutrons in nonequilibrium atmospheric layers.

scholarly journals Retrospective neutron spectrum determination of a (30 MeV D, Be) source using the multi-foil activation technique and STAYSL-PNNL

2018 ◽  
Vol 318 (1) ◽  
pp. 375-380
Author(s):  
John J. Goodell ◽  
Christine M. Egnatuk ◽  
Stephen W. Padgett ◽  
Bryan B. Bandong ◽  
Kevin E. Roberts ◽  
...  
Keyword(s):  
Neutron Spectrum ◽  
Activation Technique ◽  
Foil Activation

Cross section measurements for the reactions of fast neutrons with indium

1976 ◽  
Vol 54 (7) ◽  
pp. 757-765 ◽  
Author(s):  
D. C. Santry ◽  
J. P. Butler
Keyword(s):  
Neutron Flux ◽  
Cross Section ◽  
Neutron Spectrum ◽  
Cross Sections ◽  
Fission Neutron ◽  
Activation Method ◽  
Fast Neutrons ◽  
Fission Neutron Spectrum

Excitation curves for the reactions 115In(n,n′) 115Inm, 113In(n,n′)113Inm, and 115In(n,2n)114Inm have been measured by the activation method. The neutron flux at energies below 5.1 MeV was determined with a calibrated neutron long counter while at higher energies, measurements were made relative to the known cross section for the 32S(n,p) reaction. Effective cross sections for a 235U fission-neutron spectrum calculated from our measured excitation curves are 173 ± 9 mb for 115In(n,n′)115Inm, 123 ± 24 mb for 113In(n,n′)113Inm, and 0.64 ± 0.06 mb for 115In(n,2n)114Inm.

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