Application of a Java-based, univel geometry, neutral particle Monte Carlo code to the searchlight problem
A univel geometry, neutral particle Monte Carlo transport code, written entirely in the Java programming language, is under development for medical radiotherapy applications. The code uses ENDF-VI based continuous energy cross section data in a flexible XML format. Full neutron-photon coupling, including detailed photon production and photonuclear reactions, is included. Charged particle equilibrium is assumed within the patient model so that detailed transport of electrons produced by photon interactions may be neglected. External beam and internal distributed source descriptions for mixed neutron-photon sources are allowed. Flux and dose tallies are performed on a univel basis. A four-tap, shift-register-sequence random number generator is used. Initial verification and validation testing of the basic neutron transport routines is underway. The searchlight problem was chosen as a suitable first application because of the simplicity of the physical model. Results show excellent agreement with analytic solutions. Computation times for similar numbers of histories are comparable to other neutron MC codes written in C and FORTRAN.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- DOE - SC
- DOE Contract Number:
- DE-AC07-99ID-13727
- OSTI ID:
- 911119
- Report Number(s):
- INEEL/CON-04-02529; TRN: US0704404
- Resource Relation:
- Conference: Monte Carlo 2005 Topical Meeting,Chattanooga, Tennessee,04/17/2005,04/21/2005
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CHARGED PARTICLES
CROSS SECTIONS
ELECTRONS
FORTRAN
GEOMETRY
JAVA
NEUTRAL PARTICLES
NEUTRON TRANSPORT
NEUTRONS
PATIENTS
PHOTONS
PHOTONUCLEAR REACTIONS
PROGRAMMING LANGUAGES
RADIOTHERAPY
TESTING
TRANSPORT
VALIDATION
VERIFICATION