FREYA-a new Monte Carlo code for improved modeling of fission chains
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.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 1046121
- Report Number(s):
- LLNL-PROC-561431
- Country of Publication:
- United States
- Language:
- English
Similar Records
Comparison of the Performance of Various Correlated Fission Multiplicity Monte Carlo Codes
Correlated Production and Analog Transport of Fission Neutrons and Photons Using Fission Models FREYA, FIFRELIN, and the Monte Carlo Code TRIPOLI-4
Using the MCNP6.2 Correlated Fission Multiplicity Models, CGMF and FREYA
Journal Article
·
Fri Jul 01 00:00:00 EDT 2016
· Transactions of the American Nuclear Society
·
OSTI ID:23042745
Correlated Production and Analog Transport of Fission Neutrons and Photons Using Fission Models FREYA, FIFRELIN, and the Monte Carlo Code TRIPOLI-4
Journal Article
·
Tue Apr 10 20:00:00 EDT 2018
· IEEE Transactions on Nuclear Science
·
OSTI ID:1491634
Using the MCNP6.2 Correlated Fission Multiplicity Models, CGMF and FREYA
Journal Article
·
Sat Jul 01 00:00:00 EDT 2017
· Transactions of the American Nuclear Society
·
OSTI ID:23050293