| Oct 13, 2023 |
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(Nanowerk Information) Showers in bogs convey us consolation; showers from area convey astrophysicists pleasure. Osaka Metropolitan College scientists have noticed, with their novel methodology, cosmic-ray intensive air showers with unprecedented precision, opening the door to new insights into the Universe’s most energetic particles.
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When a excessive vitality cosmic ray collides with the Earth’s environment, it generates an unlimited variety of particles referred to as an in depth air bathe. A analysis staff led by Affiliate Professor Toshihiro Fujii from the Graduate Faculty of Science and Nambu Yoichiro Institute of Theoretical and Experimental Physics at Osaka Metropolitan College, together with graduate pupil Fraser Bradfield, has found that the prime-focus huge area digicam mounted on the Subaru Telescope, located atop the Mauna Kea volcano in Hawaii, can seize these intensive air showers with extraordinarily excessive decision.
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The findings have been revealed in Scientific Experiences (“Observing cosmic-ray intensive air showers with a silicon imaging detector”).
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| An instance of a cosmic-ray intensive air bathe recorded by the Subaru Telescope. The highlighted tracks, that are largely aligned in comparable instructions, present the bathe particles induced from a high-energy cosmic ray. (Picture: Nationwide Astronomical Observatory of Japan, Hyper Suprime-Cam (HSC) Collaboration)
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The Subaru Telescope was designed for observational astronomy. Cosmic rays, showing as “tracks” on the noticed pictures and obscuring the focused stars or galaxies, are dismissed as noise by typical astronomical information processing. Nevertheless, this staff’s analysis focuses on that very “noise.” Analyzing roughly 17,000 pictures captured between 2014 and 2020, the analysis staff pinpointed 13 pictures that contained intensive air showers. These pictures displayed a far bigger variety of particle tracks than typical.
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“With standard commentary strategies, it’s difficult to differentiate between the varieties of particles that represent intensive air showers,” defined Professor Fujii. “Our methodology, alternatively, has the potential to find out the character of particular person particles.”
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Professor Fujii added, “Moreover, by integrating our methodology with standard approaches, we hope to advance our understanding of in depth air showers. This system could permit us to seek for darkish matter or different unique particles, providing extra insights into the transition of the Universe right into a matter-dominated period.”
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