Sep 8 – 14, 2019
Toyama International Conference Center
Japan timezone

Latest results of the Pierre Auger Observatory

Sep 11, 2019, 2:30 PM
204 (Toyama International Conference Center)


Toyama International Conference Center
Oral presentation in parallel session High energy astrophysics, cosmic rays/Multi-messenger HECR #5


Mrs Isabelle Lhenry-Yvon (Institut de Physique Nucléaire d'Orsay, IN2P3/CNRS)


The Pierre Auger Observatory, in Argentina, has been detecting for more than 15 years ultra-high energy cosmic rays with unprecedented statistics and data quality. Cosmic rays showers above $10^{17}$ eV are accurately measured with a large array of surface detectors covering 3000 km2 and fluorescence telescopes. The operation of a denser sub-array with enhanced triggers has extended the sensitivity of the Surface Detector to lower energies, allowing to measure the spectrum down to 1017.0eV . The most updated analysis concerning the spectrum, anisotropies and mass composition on more than 3 decades in energy will be presented , as well as the stringent limits on photons and neutrinos fluxes. To enlighten these results with a more precise knowledge of the mass composition , the Auger Prime project has been designed and is currently being deployed. The scientific prospects and technical choices will be addressed.

Primary author

Mrs Isabelle Lhenry-Yvon (Institut de Physique Nucléaire d'Orsay, IN2P3/CNRS)

Presentation materials