Characterization of the Neutron Fields in the Lawrence Livermore National Laboratory (LLNL) Radiation Calibration Laboratory Low Scatter Facility
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
The issuance of Part 10 CFR 835 (2007) with revised radiation weighting factors and the installation of a new Hopewell N40 irradiator necessitated a re-characterization of the neutron fields in RCL's Low Scatter Calibration Facility (B255, Room 183 A). The emission rates of the RCL's two 252Cf calibration sources were re-evaluated and the updated emission rates are provided in Appendix A. The neutron dose rates from the new Hopewell N40 irradiator configuration were evaluated using three different instruments. the measurement methodology and the experimental set up as well as calibration of the instruments are discussed in detail.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 1127184
- Report Number(s):
- LLNL-TR-416056
- Country of Publication:
- United States
- Language:
- English
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