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Cari koleksi dengan cepat sesuai kebutuhan Anda.The GRAINE project (Gamma-Ray Astro-Imager with Nuclear Emulsion) has been developed for the observation of cosmic γ -rays in the energy range 10MeV–100 GeV with a precise (0.08◦ at 1–2 GeV), polarization-sensitive, large-aperture-area (∼10m2) emulsion telescope by repeated long-duration balloon flights. In 2011, the first balloon-borne experiment was successfully performe…