Lesson plan
PERDaix
PERDaix (Proton Electron Radiation Detector Aix-la-Chapelle) is a novel, small and light weight magnetic spectrometer to measure the charge and mass dependent solar modulation periodically for deeper understanding of cosmic rays. For a better understanding of sources and acceleration of cosmic particles direct measurements of cosmic rays are necessary. Also for a better understanding of the solar modulation which is expected to follow the 22-year solar cycle, time dependent measurements are needed. PERDaix is a newly designed detector which is constructed by the Department of Physics 1b, RWTH Aachen University. Being proposed to the German Space Agency in November 2009 for a participation in the BEXUS Program (Rocket and Balloon Experiments for University Students) after a first canceled flight attempt in October 2010 the actual flight took place as a post-BEXUS-campaign flight opportunity in November 2010. The detector is able to measure charged particles in the energy range of 0.5 GeV to 5 GeV. PERDaix uses a time of flight system, a scintillating fiber tracker with silicon photomultiplier (SiPM) readout, and a transition radiation detector in combination with a permanent magnet to measure particle fluxes. The BEXUS balloons are launched at Esrange Space Center near Kiruna, Sweden.…
Article summary
PERDaix (Proton Electron Radiation Detector Aix-la-Chapelle) is a novel, small and light weight magnetic spectrometer to measure the charge and mass dependent solar modulation periodically for deeper understanding of cosmic rays. For a better understanding of sources and acceleration of cosmic particles direct measurements of cosmic rays are necessary. Also for a better understanding of the solar modulation which is expected to follow the 22-year solar cycle, time dependent measurements are needed. PERDaix is a newly designed detector which is constructed by the Department of Physics 1b, RWTH Aachen University. Being proposed to the German Space Agency in November 2009 for a participation in the BEXUS Program (Rocket and Balloon Experiments for University Students) after a first canceled flight attempt in October 2010 the actual flight took place as a post-BEXUS-campaign flight opportunity in November 2010. The detector is able to measure charged particles in the energy range of 0.5 GeV to 5 GeV. PERDaix uses a time of flight system, a scintillating fiber tracker with silicon photomultiplier (SiPM) readout, and a transition radiation detector in combination with a permanent magnet to measure particle fluxes. The BEXUS balloons are launched at Esrange Space Center near Kiruna, Sweden.…
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.