Precision Neutron Total Cross-Sectional Measurements for Natural Carbon at Reactor Neutron-Filtered Beams {WEB}

Precision Neutron Total Cross-Sectional Measurements for Natural Carbon at Reactor Neutron-Filtered Beams {WEB} PDF Author:
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Category :
Languages : en
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Precision Neutron Total Cross-Sectional Measurements for Natural Carbon at Reactor Neutron-Filtered Beams

Precision Neutron Total Cross-Sectional Measurements for Natural Carbon at Reactor Neutron-Filtered Beams PDF Author: O. Gritzay
Publisher:
ISBN:
Category : Carbon
Languages : en
Pages : 7

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An experimental investigation of the total neutron cross section for natural carbon was made at Kyiv Research Reactor using neutron-filtered beams with energies 24, 59, and 148 keV. The intense neutron beams formed by composite neutron filters at reactor horizontal channels )had fluxes of about 106 to 107 neutron/cm2 s at the fixed neutron energies, which enabled us to measure the neutron cross sections with accuracy better than 1 %. Transmission method was used in these measurements. The results of the measurements are presented together with the analysis of the known previous experimental data and the evaluated nuclear data from ENDF libraries. Sample thickness dependence of the observed neutron cross section, measured at the 148-keV filter, has been detected which hypothetically may be connected with existence of a very strong resonance in the 13C neutron cross section in the energy range 119 to 157 keV.

September 1777-May 1778: Letters D20780-D21221

September 1777-May 1778: Letters D20780-D21221 PDF Author:
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ISBN:
Category :
Languages : en
Pages :

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Reactor Dosimetry

Reactor Dosimetry PDF Author: David W. Vehar
Publisher: ASTM International
ISBN:
Category : Science
Languages : en
Pages : 536

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"The latest edition of this popular ASTM series provides an extensive overview of the latest advances in reactor dosimetry. As operating nuclear power reactors have aged and continue to operate on extended operating licenses, new pressure vessel surveillance techniques have been required. Eastern European pressurized water reactors, especially those of the VVER-440 type, continue to have greater concerns about steel embrittlement, because of higher neutron radiation exposures than most Western European and US reactors. Accordingly, broader dosimetry studies are being made on the VVER reactors through retrospective dosimetry, ex-vessel dosimetry, and careful re-analysis of previously reported data."--Publisher's website.

Neutron Cross Section Data for Carbon

Neutron Cross Section Data for Carbon PDF Author: M. Kalos
Publisher:
ISBN:
Category : Carbon
Languages : en
Pages : 30

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A tabulation is made of total and elastic scattering cross sections together with Legendre coefficients for elastic angular distributions for neutron scattering by carbon, in the range 0.33 to 18.0 Mev.

Neutron Cross Sections and Technology

Neutron Cross Sections and Technology PDF Author: David T. Goldman
Publisher:
ISBN:
Category : Neutron cross sections
Languages : en
Pages : 674

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Iron-Filtered Neutron Beams

Iron-Filtered Neutron Beams PDF Author:
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Category :
Languages : en
Pages :

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Neutron Total Cross Section Measurement at WNR. [215 to 250 MeV Experimental Techniques].

Neutron Total Cross Section Measurement at WNR. [215 to 250 MeV Experimental Techniques]. PDF Author:
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Languages : en
Pages :

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The techniques involved in measuring fast-neutron total cross sections at the Weapons Neutron Facility (WNR) of the Los Alamos Scientific Laboratory are described. Results of total cross section measurements on natural carbon covering the range 2.5 to 250 MeV are presented. 16 references.

Neutron Resonance Cross Section Analysis in Filtered Neutron Beams

Neutron Resonance Cross Section Analysis in Filtered Neutron Beams PDF Author: William Raymond Bohl
Publisher:
ISBN:
Category : Neutron cross sections
Languages : en
Pages : 400

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Neutron Cross Section Measurements for the Fast Breeder Program. [Summaries of Research Activities at Gaerttner Linac Laboratory].

Neutron Cross Section Measurements for the Fast Breeder Program. [Summaries of Research Activities at Gaerttner Linac Laboratory]. PDF Author:
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Category :
Languages : en
Pages :

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This research was concerned with the measurement of neutron cross sections of importance to the Fast Breeder Reactor. The capture and total cross sections of fission products (/sup 101/ /sup 102/ /sup 104/Ru, /sup 143/ /sup 145/Nd, /sup 149/Sm, /sup 95/ /sup 97/Mo, Cs, Pr, Pd, /sup 107/Pd, /sup 99/Tc) and tag gases (Kr, /sup 78/ /sup 80/Kr) were measured up to 100 keV. Filtered neutron beams were used to measure the capture cross section of /sup 238/U (with an Fe filter) and the total cross section of Na (with a Na filter). A radioactive neutron capture detector was developed. A list of publications is included.