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  • Title: HETC radiation transport code development for cosmic ray shielding applications in space.
    Author: Townsend LW, Miller TM, Gabriel TA.
    Journal: Radiat Prot Dosimetry; 2005; 116(1-4 Pt 2):135-9. PubMed ID: 16604614.
    Abstract:
    In order to facilitate three-dimensional analyses of space radiation shielding scenarios for future space missions, the Monte Carlo radiation transport code HETC is being extended to include transport of energetic heavy ions, such as are found in the galactic cosmic ray spectrum in space. Recently, an event generator capable of providing nuclear interaction data for use in HETC was developed and incorporated into the code. The event generator predicts the interaction product yields and production angles and energies using nuclear models and Monte Carlo techniques. Testing and validation of the extended transport code has begun. In this work, the current status of code modifications, which enable energetic heavy ions and their nuclear reaction products to be transported through thick shielding, are described. Also, initial results of code testing against available laboratory beam data for energetic heavy ions interacting in thick targets are presented.
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