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Ultrahigh Energy Cosmic Rays Detection

C. Aramo, Istituto Nazionale, Fisica Nucleare, Sezione Napoli

Open publisher page 3 citations

Abstract

Abstract. The paper describes methods used for the detection of cosmic rays with energies above 10 18 eV (UHECR, UltraHigh Energy Cosmic Rays). It had been anticipated there would be a cutoff in the energy spectrum of primary cosmic rays around 3·10 19 eV induced by their interaction with the 2.7 ◦ K primordial photons. This has become known as the GZK cutoff. However, several showers have been detected with estimated primary energy exceeding this limit.

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What this paper is about

Abstract. The paper describes methods used for the detection of cosmic rays with energies above 10 18 eV (UHECR, UltraHigh Energy Cosmic Rays). It had been anticipated there would be a cutoff in the energy spectrum of primary cosmic rays around 3·10 19 eV induced by their interaction with the 2.7 ◦ K primordial photons. This has become known as the GZK cutoff. However, several showers have been detected with estimated primary energy exceeding this limit.

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Available abstract

Abstract. The paper describes methods used for the detection of cosmic rays with energies above 10 18 eV (UHECR, UltraHigh Energy Cosmic Rays). It had been anticipated there would be a cutoff in the energy spectrum of primary cosmic rays around 3·10 19 eV induced by their interaction with the 2.7 ◦ K primordial photons. This has become known as the GZK cutoff. However, several showers have been detected with estimated primary energy exceeding this limit.

Key concepts: Cosmic ray, Physics, Cutoff, Ultra-high-energy cosmic ray, Photon, COSMIC cancer database, Cosmic ray spallation, Energy spectrum

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