Re-measurement of the Neutron-induced Gamma-ray Production Cross Sections for Iron in the Energy Range 850 KeV Less Than Or Equal to E/sub N/ Less Than Or Equal to 20. 0 MeV. [Tables].

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Book Synopsis Re-measurement of the Neutron-induced Gamma-ray Production Cross Sections for Iron in the Energy Range 850 KeV Less Than Or Equal to E/sub N/ Less Than Or Equal to 20. 0 MeV. [Tables]. by :

Download or read book Re-measurement of the Neutron-induced Gamma-ray Production Cross Sections for Iron in the Energy Range 850 KeV Less Than Or Equal to E/sub N/ Less Than Or Equal to 20. 0 MeV. [Tables]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Values of the gamma-ray production cross sections for neutron interactions with iron as reported by previous investigators have differed by as much as a factor of 1.5 or more at neutron energies greater than about 5 MeV. Because of this discrepancy, the measurements were repeated at ORNL using the ORELA as a pulsed source of neutrons with energies between 850 keV and 20 MeV. The data were obtained using a NaI(Tl) gamma-ray spectrometer oriented at an angle of 125° to the incident neutron beam. The sample was positioned in the beam at a distance of 47.35 meters from the neutron source. The resulting data, presented as differential cross sections (d2sigma/d.cap omega.dE) for gamma rays between 0.7 and 10.5 MeV, show good agreement with some previously published data, but are significantly different from previous ORNL measurements for neutron energies greater than 5 MeV.

ERDA Energy Research Abstracts

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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ERDA Energy Research Abstracts

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ISBN 13 :
Total Pages : 1680 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 694 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cross Section Standards for Neutron-induced Gamma-ray Production in the MeV Energy Range

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (893 download)

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Book Synopsis Cross Section Standards for Neutron-induced Gamma-ray Production in the MeV Energy Range by :

Download or read book Cross Section Standards for Neutron-induced Gamma-ray Production in the MeV Energy Range written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma-ray cross section standards for neutron-induced reactions are important in enabling the accurate determination of absolute cross sections from relative measurements of gamma-ray production. In our work we observed a need for improvement in these standards. In particular there are large discrepancies between evaluations of the {sup nat}Fe(n, n1'[gamma]) cross section for the 847-keV gamma ray. We have performed (1) absolute cross section measurements, (2) measurements relative to the {sup nat}Cr(n, n1'[gamma]) 1434-keV gamma ray, and (3) comparisons using measured total and elastic scattering cross sections to refine our knowledge of the Fe cross section and the closely linked inelastic channel cross section for Fe. Calculation of integral tests of the cross section libraries may indicate that adjustment of the angular distributions of the neutron elastic and inelastic scattering may be needed.

Evaluation of 235U Neutron Cross Section and Gamma Ray Production for ENDF/B-V

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ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Evaluation of 235U Neutron Cross Section and Gamma Ray Production for ENDF/B-V by : M. R. Bhat

Download or read book Evaluation of 235U Neutron Cross Section and Gamma Ray Production for ENDF/B-V written by M. R. Bhat and published by . This book was released on 1980 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutron Cross Sections in the Energy Range 100 Ev It E/sub N /It 100 Kev

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ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Neutron Cross Sections in the Energy Range 100 Ev It E/sub N /It 100 Kev by :

Download or read book Neutron Cross Sections in the Energy Range 100 Ev It E/sub N /It 100 Kev written by and published by . This book was released on 1966 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:

INIS Atomindex

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ISBN 13 :
Total Pages : 1126 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis INIS Atomindex by :

Download or read book INIS Atomindex written by and published by . This book was released on 1977 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutron Cross Sections and Related Measurements

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ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Neutron Cross Sections and Related Measurements by :

Download or read book Neutron Cross Sections and Related Measurements written by and published by . This book was released on 1966 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1406 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1977 with total page 1406 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government reports annual index

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ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Government reports annual index by :

Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mn(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 2 and 20. 0 MeV.

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Book Synopsis Mn(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 2 and 20. 0 MeV. by :

Download or read book Mn(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 2 and 20. 0 MeV. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Differential cross sections for the neutron-induced gamma-ray production from natural manganese were measured for incident neutron energies between 0.2 and 20.0 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons, and a NaI spectrometer, to detect the gamma rays at 125°. The data presented are the double differential cross section, d2sigma/d.cap omega.dE, for gamma-ray energies between 0.22 and 10.6 MeV for coarse intervals in incident neutron energy. The integrated yield of gamma rays of energies greater than 220 keV with higher resolution in the neutron energy is also presented. The experimental results are compared with the Evaluated Neutron Data Files (ENDF). 24 figures, 21 tables.

Neutron and Gamma Ray Production

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ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Neutron and Gamma Ray Production by :

Download or read book Neutron and Gamma Ray Production written by and published by . This book was released on 1973 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Th(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 3 and 20. 0 MeV. [. Gamma. Spectra, Excitation Functions].

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Book Synopsis Th(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 3 and 20. 0 MeV. [. Gamma. Spectra, Excitation Functions]. by :

Download or read book Th(n, X. Gamma.) Reaction Cross Section for Incident Neutron Energies Between 0. 3 and 20. 0 MeV. [. Gamma. Spectra, Excitation Functions]. written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Differential cross sections for the neutron-induced gamma-ray production from thorium were measured for incident neutron energies between 0.3 and 20.0 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons, and a NaI spectrometer, to detect the gamma rays at 125/sup 0/. The data presented are the double differential cross section, d/sup 2/sigma/d.cap omega.dE, for gamma-ray energies between 0.3 and 10.6 MeV for coarse intervals in incident neutron energy. The integrated yield of gamma rays of energies greater than 300 keV with higher resolution in the neutron energy is also presented. 23 figures, 21 tables.

Cr(n, X$gamma$) Reaction Cross Section for Incident Neutron Energies Between 0.2 and 20.0 MeV.

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Book Synopsis Cr(n, X$gamma$) Reaction Cross Section for Incident Neutron Energies Between 0.2 and 20.0 MeV. by :

Download or read book Cr(n, X$gamma$) Reaction Cross Section for Incident Neutron Energies Between 0.2 and 20.0 MeV. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Differential cross sections for the neutron-induced gamma-ray production from natural chromium have been measured for incident neutron energies between 0.2 and 20.0 MeV. The Oak Ridge Linear Accelerator (ORELA) was used to provide the neutrons and a NaI spectrometer to detect the gamma rays at the laboratory angle of 125$sup 0$. The data presented are the double differential cross section, d$sup 2$sigma/d$Omega$dE, for gamma-ray energies between 0.3 and 10.6 MeV for coarse intervals in incident neutron energy. The integrated yield of gamma rays of energies greater than 300 keV and higher resolution in the neutron energy is also presented. The experimental results are compared with the Evaluated Neutron Data Files (ENDF). 23 figures, cross section tables (auth).

Cross Sections for Production of 70 Discrete-energy Gamma Rays Created by Neutron Interactions with Sup 56 Fe for E Sub N to 40 MeV

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ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (893 download)

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Book Synopsis Cross Sections for Production of 70 Discrete-energy Gamma Rays Created by Neutron Interactions with Sup 56 Fe for E Sub N to 40 MeV by :

Download or read book Cross Sections for Production of 70 Discrete-energy Gamma Rays Created by Neutron Interactions with Sup 56 Fe for E Sub N to 40 MeV written by and published by . This book was released on 1990 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Alternate Approach to the 239Pu(n,2n) Cross Section

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ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (682 download)

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Book Synopsis Alternate Approach to the 239Pu(n,2n) Cross Section by :

Download or read book Alternate Approach to the 239Pu(n,2n) Cross Section written by and published by . This book was released on 2000 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using existing experimental data for neutron-induced total, elastic, inelastic, reaction and fission cross sections, as well as results from nuclear model calculations and evaluations from nuclear reaction data libraries, we derived an estimate for the cross sections for the 235U(n,2n) and 239Pu(n,2n) reactions for the neutron energy range from threshold to approximately 12 MeV. In effect, our approach is based on subtracting the fission and inelastic cross sections from the total reaction cross section where the difference is expected to yield the (n,2n) cross section. In addition to this subtraction approach, a ratio method and a differential method have also been explored. For 235U(n,2n), as a test case, we arrive at a cross section consistent with previous measurements, and for 239Pu(n,2n) we obtain a peak value of 400 " 60 mb for the incident neutron energy range of 10 (less-than or equal to) E{sub n} (less-than or equal to) 12 MeV.