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Supersymmetric sphaleron configurations as the origin of the perplexing ANITA events

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arxiv 1812.01520 v2 pith:HQXAZMUB submitted 2018-12-04 hep-ph astro-ph.HE

Supersymmetric sphaleron configurations as the origin of the perplexing ANITA events

classification hep-ph astro-ph.HE
keywords anitaeventssupersymmetricanglesconfigurationsearthlargelong-lived
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The ANITA experiment has observed two air shower events with energy ~ 500 PeV emerging from the Earth with exit angles of ~ 30 degrees. We explain ANITA events as arising from neutrino-induced supersymmetric sphaleron transitions. These high-multiplicity configurations could contain a large number of long-lived supersymmetric fermions, which can traverse the Earth and decay in the atmosphere to initiate upward-pointing air showers at large angles above the horizon. We comment on the sensitivity of new generation LHC detectors, designed to searching for displaced decays of beyond standard model long-lived particles, to test our model.

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