After 14 years of ANTARES data, no magnetic monopole candidates were found, yielding 90% confidence flux upper limits down to about 6e-19 cm^-2 s^-1 sr^-1.
Long-term monitoring of the ANTARES optical module efficiencies using $^{40}\mathrm{K}$ decays in sea water
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abstract
Cherenkov light induced by radioactive decay products is one of the major sources of background light for deep-sea neutrino telescopes such as ANTARES. These decays are at the same time a powerful calibration source. Using data collected by the ANTARES neutrino telescope from mid 2008 to 2017, the time evolution of the photon detection efficiency of optical modules is studied. A modest loss of only 20% in 9 years is observed. The relative time calibration between adjacent modules is derived as well.
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Search for Magnetic Monopoles with the Complete ANTARES Dataset
After 14 years of ANTARES data, no magnetic monopole candidates were found, yielding 90% confidence flux upper limits down to about 6e-19 cm^-2 s^-1 sr^-1.