Magnetised quark nuggets in the atmosphere
T. Sloan, J. Pace VanDevender, Tracianne B. Neilsen, Robert L. Baskin,, Gabriel Fronk, Criss Swaim, Rinat Zakirov, and Haydn Jones

TL;DR
This study searched for magnetised quark nuggets in the Earth's atmosphere using acoustic signals in the Great Salt Lake, setting new limits on their flux and comparing results with existing models.
Contribution
First acoustic search for magnetised quark nuggets in a natural environment, establishing flux limits and comparing with theoretical formation models.
Findings
No MQN events detected
Set new upper limits on MQN flux
Results consistent with existing models
Abstract
A search for magnetised quark nuggets (MQN) is reported using acoustic signals from hydrophones placed in the Great Salt Lake (GSL) in the USA. No events satisfying the expected signature were seen. This observation allows limits to be set on the flux of MQNs penetrating the atmosphere and depositing energy in the GSL. The expected signature of the events was derived from pressure pulses caused by high-explosive cords between the lake surface and bottom at various locations in the GSL. The limits obtained from this search are compared with those obtained from previous searches and are compared to models for the formation of MQNs.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Pulsars and Gravitational Waves Research · Radio Astronomy Observations and Technology
