Annual Technical Progress Report [electronic resource].
- Published
- Washington, D.C. : United States. Office of the Assistant Secretary for Nuclear Energy, 2002.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy. - Physical Description
- vp : digital, PDF file
- Additional Creators
- North Carolina State University, United States. Office of the Assistant Secretary for Nuclear Energy, and United States. Department of Energy. Office of Scientific and Technical Information
Access Online
- Restrictions on Access
- Free-to-read Unrestricted online access
- Summary
- This report describes the results generated during phase 1 of this project. During this phase, the main tools that are used to compute the thermal neutron scattering kernels for graphite, beryllium, beryllium oxide, zirconium hydride, light water, polyethylene were implemented and tested. This includes a modified NJOY/LEAPR code system, the GASKET code, and the ab initio condensed matter codes VASP and PHONON. Thermal neutron scattering kernels were generated for graphite, beryllium, beryllium oxide. In the case of graphite, new phonon spectra were examined. The first is a spectrum based on experiments performed at Oak Ridge National Laboratory in the early seventies, and the second is generated using the ab initio methods. In the case of beryllium, and beryllium oxide, a synthetic approach for generating the phonon spectra was implemented. In addition, significant progress was made on an experiment to benchmark the graphite scattering kernels was made. The simulations of this experiment show that differences on the order of a few percent, in Pu-239 detector responses, can be expected due to the use of different scattering kernels. (B204) NOT A FINAL REPORT
- Report Numbers
- E 1.99:doesf22514apr01
doesf22514apr01 - Subject(s)
- Other Subject(s)
- Benchmarks
- Beryllium
- Beryllium Oxides
- Gaskets
- Graphite
- Kernels
- Phonons
- Polyethylenes
- Progress Report
- Scattering
- Spectra
- Thermal Neutrons
- Zirconium Hydrides
- Neutron Scattering
- Thermal
- Scattering Law
- Generation Iv Nuclear Reactor
- Safety
- Slowing Down
- Graphite
- Beryllium
- Beryllium Oxide
- Zirconium Hydride
- Light Water
- Polyethylene
- Note
- Published through SciTech Connect.
10/02/2002.
"doesf22514apr01"
"NERI 01-140"
Ayman I. Hawari. - Type of Report and Period Covered Note
- Annual; Annual; 09/01/2001 - 08/31/2002
- Funding Information
- FG03-02SF22514
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