Kavli Affiliate: Renxin Xu
| First 5 Authors: Haoyang Qi, Renxin Xu, , ,
| Summary:
This article discusses strong nuggets (SNs) which means strong interaction
condensed matter clusters with a mass of about $10^6,$g. They may originate
from the early universe, supernova, pulsar merger event, and so on. Depending
on the equation of state, the SNs could be stable and even be one of the
candidates for dark matter. In order to detect SNs which hitting the Earth or
the Moon at a non-relativistic velocity, a new messenger, the acoustic array,
is analysed. The results of the calculations show that the impact signal of an
SN can be detected at a distance of about 30 kilometers from the nugget’s
trajectory. By using microphone boxes, hydrophones or seismographs to construct
an array in the bedrock, ocean or on the Moon, it is possible to reconstruct
the velocity, mass, and interacting cross section of SNs, and then constrain
also the nature of supra-nuclear matter. The acoustic array can also be used
for distributed acoustic sensing of meteorites or earthquakes. The sonar
localisation system on the proposed High-energy Underwater Neutrino Telescope
(HUNT) is suggested as a pathfinder for acoustic array detection.
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