Evaluating the effect of varying flux group endpoints on reaction rates of 238U
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
This acts as a short note on the effects of varying the value of the endpoints of the thermal, epithermal, and fast flux groups. As expected, varying these endpoints can alter the value of the cross-section for a given nuclide. This effect is quantified in this note for an important nuclide in reactor simulations, 238U. Uranium-238 is responsible for the production of Plutonium in most reactors, making it critical to understand all of the 238U capture modes leading to Plutonium. We explicitly quantify the reaction rates for 238U that are altered when we use a given research reactor flux and vary the endpoint definitions of said flux as well as the reactor position.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 1169135
- Report Number(s):
- LA-UR-15-20514
- Country of Publication:
- United States
- Language:
- English
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