FREYA-a new Monte Carlo code for improved modeling of fission chains
Description/Abstract
A new simulation capability for modeling of individual fission events and chains and the transport of fission products in materials is presented. FREYA ( Fission Yield Event Yield Algorithm ) is a Monte Carlo code for generating fission events providing correlated kinematic information for prompt neutrons, gammas, and fragments. As a standalone code, FREYA calculates quantities such as multiplicity-energy, angular, and gamma-neutron energy sharing correlations. To study materials with multiplication, shielding effects, and detectors, we have integrated FREYA into the general purpose Monte Carlo code MCNP. This new tool will allow more accurate modeling of detector responses including correlations and the development of SNM detectors with increased sensitivity.
| Creator/Author: | Hagmann, C A ; Randrup, J ; Vogt, R L |
|---|---|
| Publication Date: | 2012 Jun 12 |
| OSTI Identifier: | OSTI ID: 1046121 |
| Report Number(s): | LLNL-PROC-561431 |
| DOE Contract Number: | W-7405-ENG-48 |
| Other Number(s): | TRN: US1203925 |
| Resource Type: | Conference |
| Resource Relation: | Conference: Presented at: SORMA-West 2012, Oakland, CA, United States, May 14 - May 17, 2012 |
| Research Org: | Lawrence Livermore National Laboratory (LLNL), Livermore, CA |
| Sponsoring Org: | USDOE |
| Subject: | 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ALGORITHMS; CHAIN REACTIONS; FISSION; FISSION PRODUCTS; FISSION YIELD; MONTE CARLO METHOD; PROMPT NEUTRONS; SIMULATION |
| Country of Publication: | United States |
| Language: | English |
| Format: | Size: PDF-file: 6 pages; size: 1.5 Mbytes |
| Update Date: | 2012 Dec 05 |
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