Using seven years of IceCube data, no neutrino counterparts are found in the directions of the three ANITA candidate events, and upper limits rule out bright TeV to PeV point-source emission.
Looking at the axionic dark sector with ANITA
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abstract
The ANITA experiment has recently observed two anomalous events emerging from well below the horizon. Even though they are consistent with tau cascades, a high energy Standard Model or Beyond the Standard Model explanation is challenging and in tension with other experiments. We study under which conditions the reflection of generic radio pulses can reproduce these signals. We propose that these pulses can be resonantly produced in the ionosphere via axion-photon conversion. This naturally explains the direction and polarization of the events and avoids other experimental bounds.
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astro-ph.HE 1years
2019 1verdicts
ACCEPT 1representative citing papers
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A search for IceCube events in the direction of ANITA neutrino candidates
Using seven years of IceCube data, no neutrino counterparts are found in the directions of the three ANITA candidate events, and upper limits rule out bright TeV to PeV point-source emission.