Abstract
Abstract The possibility of directly detecting ultrahigh-energy (UHE) weakly interacting massive particles (WIMPs) are considered by the WIMPs’ interaction with the nuclei in the air. Because neutrinos dominate the events from the spherical crown near the Extreme Universe Space Observatory on board the Japanese Experiment Module (JEM-EUSO), all the events from this region are ignored in my work. Then the numbers of UHE WIMPs and neutrinos detected by JEM-EUSO are evaluated at different energies (1 PeV < E < 100 EeV) in 10 years, respectively. If the energy thresholds are taken to be 20 EeV, neutrino events can be almost rejected in the detection of UHE WIMPs. According to my evaluation, O(10–100) UHE WIMP events can be detected by JEM-EUSO at energies above 70 EeV in 10 years.
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