Microscopic black hole detection in UHECR: the double bang signature

Details Microscopic black hole detection in UHECR: the double bang signature Microscopic black hole detection in UHECR: the double bang signature

2004-05-06

arxiv.org/abs/hep-ph/0405056v2

Astropart.Phys.22:399-407,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

revised version, 5 figures

Scientific paper

10.1016/j.astropartphys.2004.09.

According to recent conjectures on the existence of large extra dimensions in our universe, black holes may be produced during the interaction of Ultra High Energy Cosmic Rays with the atmosphere. However, and so far, the proposed signatures are based on statistical effects, not allowing identification on an event by event basis, and may lead to large uncertainties. In this note, events with a double bang topology, where the production and instantaneous decay of a microscopic black hole (first bang) is followed, at a measurable distance, by the decay of an energetic tau lepton (second bang) are proposed as an almost background free signature. The characteristics of these events and the capability of large cosmic ray experiments to detect them are discussed.

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