Physics – Nuclear Physics
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007nuphs.166...43c&link_type=abstract
Nuclear Physics B Proceedings Supplements, Volume 166, p. 43-49.
Physics
Nuclear Physics
Scientific paper
We are preparing the CALorimetric Electron Telescope, CALET, mission for the Japanese Experiment Module Exposed Facility, JEM-EF, of the International Space Station. The scientific objective is to reveal unresolved problems in high-energy phenomena of the Universe by carrying out a precise measurement of the electrons in 1 GeV˜10 TeV and the γ-rays in 20 MeV ˜ several TeV. The CALET has a unique capability to measure the electrons and γ-rays over 1 TeV since the hadron rejection power might be as much as ˜10 and the energy resolution of electromagnetic particles better than a few % over 100 GeV. Therefore, it is promising to detect the change of energy spectra related to the acceleration, source and propagation of cosmic-rays and the γ-ray line signature expected from dark matter annihilation. We will discuss not only the science but the techniques, the observation and the current status of project. The CALET is expected to be launched around 2012 by the Japanese H-II Transfer Vehicle, HTV, and to be on orbit for three years.
CALET Collaboration
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