NewLogo 07 2018

Most precise measurement of the cosmic-ray energy spectrum at ultra-high energies

Recently, the Pierre Auger Collaboration has presented the most precise measurement of the cosmic-ray (CR) energy spectrum at ultra-high energies using the events recorded over more than 14 years by the surface detector (SD). The data set consists on 215,030 events with zenith angles below 60° and energies larger than 2.5x1018 eV.

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L' Oréal Prize-Brazil for Women in Science for collaborator Rita de Cássia dos Anjos

L' Oréal Prize-Brazil for collaborator Rita de Cássia dos Anjos

We are delighted to inform that our colleague and collaborator Dr Rita de Cássia dos Anjos was indicated for the L' Oréal Prize-Brazil for Women in Science 2020 in the category of Physics.

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Cosmic-ray anisotropies in right ascension measured by the Pierre Auger Observatory

In a recent publication, the Pierre Auger Observatory has presented measurements of the large-scale cosmic-ray (CR) anisotropies in right ascension, using data collected by the surface detector array over more than 14 years, up to 31st August 2018. The dataset covers the energy range from ~0.03 EeV up to the highest detected energies.

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Directional sensitivity of the Pierre Auger Observatory to sources of UHE neutrinos

In the second paper of a series of two devoted to the search for Ultra-High Energy (UHE) neutrinos at the Pierre Auger Observatory, the Pierre Auger Collaboration has addressed the sensitivity of the Surface Detector array (SD) to steady and transient point sources of UHE neutrinos as a function of declination.

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A new method for the estimation of the "invisible" energy

This data-based method Improves the accuracy on the determination of the energy of cosmic rays with the Pierre Auger Observatory by 5%.

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20th Anniversary of the Pierre Auger Observatory

Malargüe, Argentina    
14-16 November 2019

About 300 scientists and guests from all over the world celebrated the 20th anniversary of the Pierre Auger Observatory with a ceremony and a scientific symposium at the site of the Observatory in Argentina. The Pierre Auger Observatory has been built to study ultra-high energy cosmic rays, particles of the highest energies ever observed.

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