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SUMMARY:VIRTUAL INPA SEMINAR | Alessio Porcelli (Ghent University)
DESCRIPTION:Speaker: Alessio Porcelli (Ghent University) \nTitle: Method To Measure The Cosmic Rays Mass Composition With IceCube/IceTop \nAbstract: \nThere is an intrinsic difficulty in measuring the mass of Cosmic rays at Ultra-High Energy. The only possible way involves measuring the Extensive Air Showers (EAS) characteristics produced by hadronic interactions of the incoming particle (primary) with the atmosphere: it behaves as a calorimeter producing secondary particles. EAS are characterized by a longitudinal profile along the shower development and a lateral one at the ground around the shower core. In the latter distribution\, because of the shower physics\, the information of the mass is delivered by the muon component. \nIceTop is part of the IceCube experiment\, sited at the geographic South Pole. While the latter consists of 86 strings drilled inside the ice covering a kilometer cube to detect neutrinos from astrophysical origins\, the former are stations on the top of such strings used to veto atmospheric neutrinos. IceTop consists of 81 stations\, each with two water Cherenkov detectors with two Photomultiplier Tubes each\, able to detect Cherenkov light produced by the crossing charged particles. This setup of detectors can also be used to measure the EAS lateral distribution\, letting IceCube be able to measure also Cosmic Rays with energies above 1 PeV and up to 1 EeV. \nTwo different approaches will be presented in the seminar\, using IceTop alone or together with the in-ice part of IceCube. Moreover\, improvement attempts will be depicted: analysis strategies and the incoming extension IceCube-Gen2. \n\nJoin Zoom Meeting  \nhttps://lbnl.zoom.us/j/93261885135?pwd=aFlsU1lHMGpHTE5SNlJaNTZENzBlQT09  \nMeeting ID: 932 6188 5135  \nPasscode: 113108
URL:https://inpa.lbl.gov/event/no-virtual-inpa-seminar-friday-july-9-2021/
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