Estimates of the cosmic gamma-ray flux at PeV to EeV energies from the EAS-MSU experiment dataстатья
Статья опубликована в журнале из списка RSCI Web of Science
Статья опубликована в журнале из перечня ВАК
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:Archival EAS-MSU data are searched for anomalous muonless events which may be caused by primary gamma-rays with energies between 10^15 and 10^18 eV. We consider a refined sample of high-quality data and confirm the previously reported detection of a non-zero gamma-ray flux at approximately 5*10^16 eV with a similar flux value but at somewhat lower ststistical significance, corresponding to a depletion of the sample. We present upper limits on the flux below and above these energies, including the first constraints in the range 10^16.5 - 10^17.5 eV never studied by any other experiment.