Cosmic ray science has proved to be a very active field, with several important results from recent space-based instruments. Next generation experiments will explore the multi-TeV energy range, trying to cope with the mass and power budget constraints of artificial satellites that limits the collecting area thus reducing the available statistics at the highest energy. With the aim to improve the compromise between area and mass, we propose a new concept for a cosmic-ray telescope in which the detector elements are organized in bars along the 3 axis. In this way we can also maintain a good event shower sampling (for direction and energy reconstruction) and a relatively small number of channels (required power) as the detector size increases. A possible implementation of the concept is also evaluated with a Geant4 simulation.
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