Abstract
Dirac first suggested the existence of magnetic monopoles approximately 90 years ago. From there onward, experimental detection of magnetic monopoles became an important assignment for both physicists and astronomers. A few unusual events in detecting cosmic magnetic monopoles have been reported. However, there are no repeated events. Most recently, searches for magnetic monopoles with the European Large Hadron Collider excluded the existence of monopoles with masses lower than approximately 0.5 TeV. The searches for cosmic magnetic monopoles with the MACRO, IceCube and Auger experiments found no candidate events in data. The upper limits on the flux of magnetic monopoles from low velocity to ultrarelativistic velocity can be obtained from these experiments. This letter summarizes the existing results from the experimental detection of magnetic monopoles. We also discuss the possibility of searching for cosmic magnetic monopoles with a large high-altitude air shower observatory. Finally, we propose launching a mission to detect cosmic magnetic monopoles in space.
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