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Neutron Cross Sections - 1st Edition - ISBN: 9781483229935, 9781483282756

Neutron Cross Sections

1st Edition

Author: Donald J. Hughes
Editors: R. A. Charpie J. V. Dunworth
eBook ISBN: 9781483282756
Imprint: Pergamon
Published Date: 1st January 1965
Page Count: 192
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Neutron Cross Sections presents the principles of cross-section measurement and use, as well as sufficient theory so that the general behavior of cross sections is made understandable. This compilation is a direct result of experiences connected with the collection and evaluation of cross-section data during the past eight years at ""Sigma Centre"", Brookhaven National Laboratory. Here, experimental results received from laboratories throughout the world are carefully evaluated and compiled in the curves and tables of the large volume Neutron Cross Sections, The most recent version of the compilation, known as BNL 325, appeared 1 July 1955, and Supplement 1 to BNL 325 was published on 1 January 1957. The compilation itself consists almost completely of cross sections at specific energies, shown in the form of curves or tables, with only brief explanatory texts. The text opens with discussions of the general properties of cross sections and principles of nuclear structure that are important to the understanding of cross-section behavior. Separate chapters follow that describe specific techniques for measuring cross sections along with experimental results involving fast neutrons, resonance neutrons, resonances in fissionable materials, and thermal neutrons.

Table of Contents


1. Types of Cross Sections and Principles of Measurement

Simple Definition of Cross Section as Nuclear Area

Cross-Section Nomenclature

General Principles of Cross-Section Measurement

Survey of Experimental Results

Basic Applications of Cross Sections

References for Additional Information

2. Cross Sections and Nuclear Structure

Radii and Masses of Nuclei

The Compound Nucleus

Nuclear Energy Levels

Quantum-Mechanical Analysis of Cross Sections

Nuclear Models

The Black Nucleus

The Cloudy Crystal Ball

References for Additional Information

3. Fast Neutrons

Sources of Fast Neutrons

Total Cross Sections—Experimental

Total Cross Sections and the Cloudy Crystal Ball

Nonelastic Cross Sections

Inelastic Scattering

Reaction Cross Sections

Angular Distributions

Cross Sections for Fission Neutrons

References for Additional Information

4. Neutron Resonances

The Breit-Wigner Formula

Resonance Neutron Sources

Determination of Resonance Parameters

Results of Resonance Analysis

Level Spacings

Radiation Widths

Neutron Widths and r0n/D Ratio

Nuclear Radii

Applications of Resonance Parameter Data

References for Additional Information

5. Resonances in Fissionable Nuclides

Techniques for Fission Measurements

Parameters of Fissionable Nuclides




Theory of Fission Cross Sections

Applications of Fission Parameters

References for Additional Information

6. Thermal Neutrons

Optics of Slow Neutron Scattering

Sources of Thermal Neutrons

Measurements with Maxwell Distribution

Thermal Cross Sections of Fissionable Nuclides

Lattice Vibration Scattering

References for Additional Information

Appendix 1. Constant and Conversion Factors

Appendix 2. Atomic Masses of Light Nuclides

Appendix 3. References for Cross Section Curves



No. of pages:
© Pergamon 1965
1st January 1965
eBook ISBN:

About the Author

Donald J. Hughes

About the Editors

R. A. Charpie

J. V. Dunworth

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