Anti-helium flux as a signature for antimatter globular clusters in our Galaxy |
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| Authors: | K M Belotsky Yu A Golubkov M Yu Khlopov R V Konoplich A S Sakharov |
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| Institution: | (1) Moscow State Engineering Physics Institute (Technical University), Kashirskoe sh. 31, Moscow, 115409, Russia;(2) Institute of Applied Mathematics and Center for CosmoParticle Physics “Cosmion”, Russia;(3) Institute of Nuclear Physics and “Cosmion”, Moscow State University, Russia;(4) Moscow State Engineering Physics Institute and Institute of Applied Mathematics and “Cosmion”, Russia;(5) Moscow State Engineering Physics Institute and “Cosmion”, Moscow, Russia |
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| Abstract: | The Alpha Magnetic Spectrometer experiment is shown to be sensitive to test the hypothesis on the existence of antimatter globular cluster in our Galaxy. The hypothesis follows from the analysis of possible tests for the mechanisms of baryosynthesis and uses antimatter domains in the matter-dominated Universe as the probe for the physics underlying the origin of matter. The interval of masses for the antimatter in our Galaxy is fixed from below by the condition of antimatter domain survival in the matter-dominated Universe and from above by the observed gamma-ray flux. For this interval, the expected fluxes of anti-helium-3 and anti-helium-4 are calculated with account for their interaction with the matter in the Galaxy. |
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