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Possible Dark Matter Annihilation Signal in the AMS-02 Antiproton Data

Yuan, Qiang; Fan, Yi-Zhong; Tsai, Yue-Lin Sming +1 more

Using the latest AMS-02 cosmic-ray antiproton flux data, we search for a potential dark matter annihilation signal. The background parameters about the propagation, source injection, and solar modulation are not assumed a priori but based on the results inferred from the recent B / C ratio and proton data measurements instead. The possible dark ma…