Simulation studies of delta-ray backgrounds in a Compton-Scatter Transition Radiation Detector
Abstract
In order to evaluate the response to cosmic-ray nuclei of a Compton-Scatter Transition Radiation Detector in the proposed ACCESS space-based mission, a hybrid Monte Carlo simulation using GEANT3 and an external transition radiation (TR) generator routine was constructed. This simulation was employed to study the effects of delta-ray production induced by high-energy nuclei and to maximize the ratio of TR to δ-ray background. The results demonstrate the ability of a Compton-Scatter Transition Radiation Detector to measure nuclei from boron to iron up to Lorentz factors γ∼105, taking into account the steeply falling power-law cosmic ray spectra.
- Publication:
-
Nuclear Instruments and Methods in Physics Research A
- Pub Date:
- July 2006
- DOI:
- 10.1016/j.nima.2006.02.164
- arXiv:
- arXiv:physics/0601020
- Bibcode:
- 2006NIMPA.563..303K
- Keywords:
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- Physics - Instrumentation and Detectors;
- Physics - Space Physics
- E-Print:
- Presented at TRDs for the 3rd millennium: Third Workshop on advanced Transition Radiation Detectors for accelerator and space applications, Ostuni, Italy, September 2005, 4 pages, 2 figures
