Measurement of Total Kinetic Energy and Fragment Mass Distribution in Neutron Induced Fission of Thorium-232 and Uranium-233 PDF Download
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Author: Daniel J. Higgins
Publisher:
ISBN:
Category : Ionization chambers
Languages : en
Pages : 118
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Author: Daniel J. Higgins
Publisher:
ISBN:
Category : Ionization chambers
Languages : en
Pages : 118
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Author: A. B. Smith
Publisher:
ISBN:
Category : Fission products
Languages : en
Pages : 44
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Book Description
The distribution of the kinetic energy of fragments emitted as a result of the neutron-induced fission of Th-232 has been determined. Incident neutron energies of 1475 plus or minus 35 kev and 1600 plus or minus 35 kev were used. The distributions determined at the two incident neutron energies are identical. The measured total average fragment kinetic energy was l55 plus or minus 4.5 Mev. The most probable fragment mass ratio is 1.47 plus or minus 0.05, and the average kinetic energies of the light and heavy fragments are 95 plus or minus 2 and 60 plus or minus 3 Mev, respectively. The experimental results were related to the known systematics of neutron-induced and spontaneous fission. The effect of collective nuclear rotations at the saddle point is discussed, with particular emphasis on fission from specific rotational bands.
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Category :
Languages : en
Pages :
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Author: Dana L. Duke
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ISBN:
Category : Force and energy
Languages : en
Pages : 108
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 133
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This Ph. D. dissertation describes a measurement of the change in mass distributions and average total kinetic energy (TKE) release with increasing incident neutron energy for fission of 235U and 238U. Although fission was discovered over seventy-five years ago, open questions remain about the physics of the fission process. The energy of the incident neutron, En, changes the division of energy release in the resulting fission fragments, however, the details of energy partitioning remain ambiguous because the nucleus is a many-body quantum system. Creating a full theoretical model is difficult and experimental data to validate existing models are lacking. Additional fission measurements will lead to higher-quality models of the fission process, therefore improving applications such as the development of next-generation nuclear reactors and defense. This work also paves the way for precision experiments such as the Time Projection Chamber (TPC) for fission cross section measurements and the Spectrometer for Ion Determination in Fission (SPIDER) for precision mass yields.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 612
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Author: Martin Deutsch
Publisher:
ISBN:
Category : Nuclear fission
Languages : en
Pages : 20
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Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 548
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Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 646
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Author: United States. Energy Research and Development Administration. Technical Information Center
Publisher:
ISBN:
Category : Force and energy
Languages : en
Pages : 1682
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