14-16 September 2015
Castello Angioino, Gallipoli, ITALY
Europe/Rome timezone

Cosmic ray physics with ARGO—YBJ

14 Sep 2015, 10:30
Castello Angioino, Gallipoli, ITALY

Castello Angioino, Gallipoli, ITALY

Cosmic Ray and Astrophysical Neutrino Detection Cosmic Ray and Astrophysical Neutrino Detection


Paolo Montini (ROMA2)


The ARGO—YBJ experiment has been in stable data taking for more than five years at the Yangbajing cosmic ray observatory (Tibet, P.R. China, 4300 m a.s.l.). The detector collected about 5X10^11 events in a wide energy range from few TeVs up to the PeV region. In this work we summarize the latest results in cosmic ray physics particularly focusing on the cosmic ray energy spectrum. The results of the measurement of the all—particle and proton plus helium energy spectra in the energy region between 10^12 - 10^16 eV are discussed. A precise measurement of the cosmic ray energy spectrum and composition in this energy region allows a better understanding of the origin of the knee and provides a powerful cross—check among different experimental techniques.

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