Heavy charged-particle interaction data for radiotherapy

An IAEA Nuclear Data Section Co-ordinated Research Project 2007-2010

NAPC Nuclear Data Section

NAHU Dosimetry and Medical Radiation Physics Section

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The summary report INDC(NDS)-0504 of consultants’ meeting on Nuclear Data of Charged-Particle Interactions for Medical Therapy Applications is available. The meeting was held at the IAEA Headquarters in Vienna, Austria on 20-22 November 2006.

Summary The Co-ordinated Research Project on "Heavy charged-particle interaction data for radiotherapy" has been initiated to provide nuclear data that quantifies heavy charged-particle interactions with materials relevant to radiotherapy, from beam generation and collimation to the interaction of the beams with patients and detectors. The recommended data will be carefully checked against experimental charged-particle interaction data and computer-based Monte Carlo simulations.

Objective: To improve the quality of the heavy charged-particle interaction data for patient dose delivery calculations in radiotherapy.

Specific Research Objectives (Purpose) - To incorporate available experimental information on charged-particle interactions into evaluated nuclear data files or nuclear data parameterizations, - to make available existing experimental information on charged-particle data interaction relevant to radiotherapy and recommend nuclear data parameterizations and evaluated data, which can be processed and used by Monte Carlo code developers and users worldwide, - to define and make available recommended hadronic physics settings for Monte Carlo transport codes and applications, - to activate available human resources and to facilitate interaction and sharing of work within the community in a timely and professional manner. Data libraries of charged-particle interactions are needed to validate the calculations using nuclear models and for direct use in other type of calculations. There are several available Monte-Carlo particle transport codes with the capability to treat the transport of nucleons, electrons, photons and heavy ions. We expect that most of the existing codes (MCNPX, GEANT4, SHIELD-HIT, FLUKA, PHITS, etc) will be modified so that they could benefit from the use of updated cross-section libraries.

Announcements

The first Research Coordination meeting of this CRP will be held in Vienna on 6-9 November 2007

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