Measurement of the Cosmic Ray Energy Spectrum with IceTop-73

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dc.contributor.author Santander, Marcos
dc.date.accessioned 2019-07-02T14:24:50Z
dc.date.available 2019-07-02T14:24:50Z
dc.date.issued 2013-08-28 en_US
dc.identifier.citation Aartsen, M. G., et al. (2013): Measurement of the Cosmic Ray Energy Spectrum with IceTop-73. Physical Review D, 88(4). DOI: http://dx.doi.org/10.1103/PhysRevD.88.042004 en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/5867
dc.description.abstract We report on the measurement of the all-particle cosmic ray energy spectrum with the IceTop air shower array in the energy range from 1.58 PeV to 1.26 EeV. The IceTop air shower array is the surface component of the IceCube Neutrino Observatory at the geographical South Pole. The analysis was performed using only information from IceTop. The data used in this work were taken from June 1, 2010 to May 13, 2011. During that period the IceTop array consisted of 73 stations, compared to 81 in its final configuration. The measured spectrum exhibits a clear deviation from a single power law above the knee around 4 PeV and below 1 EeV. We observe spectral hardening around 18 PeV and steepening around 130 PeV. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.subject Cosmic rays en_US
dc.subject Neutrino, muon, pion, and other elementary particles; cosmic rays en_US
dc.subject Composition, energy spectra and interactions en_US
dc.subject Extensive air showers en_US
dc.title Measurement of the Cosmic Ray Energy Spectrum with IceTop-73 en_US
dc.type text en_US


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