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Hardware and Software developments for H.E. astroparticle physics
Low-energy antideuterons in cosmic rays offer a clean probe for dark matter annihilation and primordial antimatter in the Galaxy. The extremely low astrophysical background makes even a few detected events highly significant. Current limits from BESS Polar-II stand at Φ_d̄ < 6.7 × 10⁻⁵ (m²sr s GeV/n)⁻¹ for 163–1100 MeV/n, while experiments like AMS-02 and GAPS continue the search with improved...
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