Abstract
Detailed modeling of photon and electron transport is advantageous in radiotherapy and dosimetry. MultiTrans radiation transport code is based on tree multigrid technique and SP3 approximation. The standard SP3 approximation has been extended into a form that takes into account anisotropic group-to-group scattering. A first collision source method has been implemented. Applicability range of standard and extended SP3 approximations in coupled photon-electron transport problems is examined by comparing calculated doses with deterministic MultiTrans and stochastic EGS4 radiation transport codes.
| Original language | English |
|---|---|
| Pages (from-to) | 9-14 |
| Journal | Radiation Physics and Chemistry |
| Volume | 76 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 2007 |
| MoE publication type | A1 Journal article-refereed |
Funding
This work is partly based on methods developed in study of applicability of the tree multigrid technique to boron neutron capture therapy (BNCT) dose planning. We wish to thank the managing committee of this previous project for several useful advice and insight into the problem. Authors also acknowledge the financial support from Tekes, the National Technology Agency of Finland.
Keywords
- EGS4
- MultiTrans
- Photon-electron transport