Simulation of ALTEA calibration data with PHITS, FLUKA and GEANT4
La Tessa, C. and Di Fino, L. and Larosa, M. and Lee, K. and Mancusi, D. and Matthiä, Daniel and Narici, L. and Zaconte, V. (2009) Simulation of ALTEA calibration data with PHITS, FLUKA and GEANT4. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms , 267 (21-22), pp. 3549-3557. Elsevier. DOI: 10.1016/j.nimb.2009.06.086. ISSN 0168-583X.
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The ALTEA-Space detector has been calibrated by testing its response to several monochromatic beams. These measurements provided energy-deposition spectra in silicon of 100, 600 and 1000 MeV/nucleon C-12 and 200 and 600 MeV/nucleon Ti-48. The results have been compared to three Monte Carlo transport codes, namely PHITS, GEANT4 and FLUKA. Median, full width at half maximum (FWHM) and interquartile range (IQR) have been calculated for all datasets to characterize location, width and asymmetry of the energy-deposition spectra. Particular attention has been devoted to the influence of δ rays on the shape of the energy-deposition spectrum, both with the help of analytical calculations and Monte Carlo simulations. The two approaches proved that, in this range of projectile charge, projectile energy and detector size, the leakage of secondary electrons might introduce a difference between the energy-loss and energy-deposition spectrum, in particular by changing the location, width and symmetry of the distribution. The overall agreement between the Monte Carlo predictions and the measurements is fair and makes PHITS, FLUKA and GEANT4 all possible candidates for simulating ALTEA-Space experiment.
|Title:||Simulation of ALTEA calibration data with PHITS, FLUKA and GEANT4|
|Journal or Publication Title:||Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 3549-3557|
|Keywords:||ALTEA, PHITS, FLUKA, GEANT4, Monte Carlo, Energy spectrum, δ rays|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research area:||Space|
|DLR - Program:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||W - Vorhaben Strahlenbiologie (old)|
|Institutes and Institutions:||Institute of Aerospace Medicine > Radiation Biology|
|Deposited By:||Kerstin Kopp|
|Deposited On:||01 Dec 2009 14:13|
|Last Modified:||20 Mar 2013 19:42|
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