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Limits on the flux of nuclearites and other heavy compact objects from the “Pi of the Sky" project
Physical Review Letters ( IF 8.385 ) Pub Date : 
Lech Wiktor Piotrowski; Katarzyna Małek; Lech Mankiewicz; Marcin Sokołowski; Grzegorz Wrochna; Adam Zadrożny; Aleksander Filip Żarnecki

Many theories predict existence of very heavy compact objects, that in terms of sizes would belong to the realms of nuclear or atomic physics, but in terms of masses could extend to the macroscopic world, reaching kilograms, tones or more. They could be relics of the early Universe or fundamental objects of particle physics, and in many cases they would serve as a candidate for Dark Matter. If they exist, it is likely that they reach our planet with high speeds and cross the atmosphere. Due to their high mass to size ratio and huge energy, in many cases they would leave behind a trail in form of sound and seismic waves, etches, or light in transparent media. Here we show results of a search for such objects in visual photographs of the sky taken by the “Pi of the Sky” experiment, exemplified with most stringent limits on flux of incoming so-called nuclearites of the masses spanning between 100 g and 100 kg. The general nature of presented limits should allow to constrain many specific models predicting existence of heavy compact objects and both particle physics and astrophysical processes leading to their creation, and their sources.
更新日期:2020-07-31

 

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