EAS-TOP cosmic ray experiment

EAS-TOP cosmic ray experiment

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This image is part of the feature Gran Sasso

Credit: TOMMASO GUICCIARDINI/INFN/SCIENCE PHOTO LIBRARY

Caption: Cosmic rays research. The detectors of the EAS-TOP (Extensive Air Showers) experiment on the Gran Sasso massif, Italy, at an altitude of 2017 metres. The apparatus seen here is used to detect the high- energy particles such as protons, pions and neutrons present in the cosmic rays. Cosmic rays continuously hit the Earth and as they interact with the atoms in the upper atmosphere produce secondary showers of lower energy particles such as muons, electrons and neutrinos. EAS-TOP is able to "see" these secondary showers. It works in conjunction with the Gran Sasso Laboratory situated underneath the mountain.

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Keywords: cosmic ray, eas-top, eas-top experiment, extensive air showers, gran sasso, particle physics research, physics, rays

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