Observation of the suppression of the flux of cosmic rays above 4x10^19eV
NAGIOS: RODERIC FUNCIONANDO

Observation of the suppression of the flux of cosmic rays above 4x10^19eV

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Observation of the suppression of the flux of cosmic rays above 4x10^19eV

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The Pierre Auger Collaboration; Pastor Carpi, Sergio; Pinto, Teguayco
This document is a artículoDate2008

Este documento está disponible también en : http://hdl.handle.net/10550/47920
The energy spectrum of cosmic rays above 2.5x10^18eV, derived from 20,000 events recorded at the Pierre Auger Observatory, is described. The spectral index gamma of the flux, J ~ E^-gamma, at energies between 4x10^18eV and 4x10^19eV is 2.69+-0.02(stat)+-0.06(syst), steepening to 4.2+-0.4(stat)+-0.06(syst) at higher energies, consistent with the prediction by Greisen and by Zatsepin and Kuz'min.

    The Pierre Auger Collaboration Pastor Carpi, Sergio Pinto, Teguayco 2008 Observation of the suppression of the flux of cosmic rays above 4x10^19eV Physical Review Letters 101 6 061101-1 061101-7
http://dx.doi.org/10.1103/PhysRevLett.101.061101

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