For example, TA physicists argue that — as most physicists expected — the highest energy rays are protons, whereas
Auger physicists argue they may include heavier atomic nuclei.
Not exact matches
But the evidence for an overall imbalance of the directions of cosmic rays in this new study is stronger, surpassing the so - called five sigma threshold for statistical significance, says Antonio Bueno, an astroparticle
physicist at the University of Granada in Spain and co-spokesperson for the 500 - member
Auger team.
But analyzing such sparse data is tricky, says Karl - Heinz Kampert, a
physicist at the University of Wuppertal in Germany and spokesman for the 500 - member
Auger team.
So far, says Paul Mantsch, a
physicist and project manager at
Auger, the observatory has seen about 50 of these ultrahigh - energy cosmic rays.
After his prizewinning work, he eventually turned his research to cosmic rays and he was a founding father of the Pierre
Auger Observatory, the world's largest cosmic - ray detector, which he conceptualized in 1992 with fellow
physicist from the University of Leeds Alan Watson.
Results from the Alpha Magnetic Spectrometer (AMS) on the International Space Station (ISS) will be the focus of the three day «AMS Days at CERN» meeting, an occasion that brings together many of the world's leading theoretical
physicists and principal investigators of some of the major experiments exploring the field of cosmic ray physics (IceCube, Pierre
Auger Observatory, Fermi - LAT, H.E.S.S. and CTA, the Telescope Array, JEM - EUSO, and ISS - CREAM).