Estimating the Fraction of Gamma Quanta in the Primary Cosmic Ray Flux with Energies of ~1017 eV from the MSU EAS Array Dataстатья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:Using data from the MSU EAS array and model calculations, we search for events with abnor mally small fractions of muons with energies above 10 GeV in showers with particle numbers of > 2.10^7 and zenith angles of <10 degrees. We confirm with good statistical accuracy that the content of gamma quanta in the primary cosmic ray flux can be as high as 2% at energies of ~10^17 eV.