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Journal article
Cosmic ray spectrum and composition from PeV to EeV using 3 years of data from IceTop and IceCube
Physical review. D, v 100(8)
2019
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We report on measurements of the all-particle cosmic ray energy spectrum and composition in the PeV to EeV energy range using 3 years of data from the IceCube Neutrino Observatory. The IceTop detector measures cosmic ray induced air showers on the surface of the ice, from which the energy spectrum of cosmic rays is determined by making additional assumptions about the mass composition. A separate measurement is performed when IceTop data are analyzed in coincidence with the high-energy muon energy loss information from the deep in-ice IceCube detector. In this measurement, both the spectrum and the mass composition of the primary cosmic rays are simultaneously reconstructed using a neural network trained on observables from both detectors. The performance and relative advantages of these two distinct analyses are discussed, including the systematic uncertainties and the dependence on the hadronic interaction models, and both all-particle spectra as well as individual spectra for elemental groups are presented.
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Details
- Title
- Cosmic ray spectrum and composition from PeV to EeV using 3 years of data from IceTop and IceCube
- Creators
- Maryon Ahrens - Oskar Klein-centrum för kosmopartikelfysik (OKC)Christian Bohm - Oskar Klein-centrum för kosmopartikelfysik (OKC)Kunal Deoskar - Oskar Klein-centrum för kosmopartikelfysik (OKC)Chad Finley - Oskar Klein-centrum för kosmopartikelfysik (OKC)Klas Hultqvist - Oskar Klein-centrum för kosmopartikelfysik (OKC)Erin O'Sullivan - Oskar Klein-centrum för kosmopartikelfysik (OKC)Christian Walck - Oskar Klein-centrum för kosmopartikelfysik (OKC)IceCube Collaboration
- Publication Details
- Physical review. D, v 100(8)
- Publisher
- Cold Spring Harbor Press
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000491993600001
- Scopus ID
- 2-s2.0-85074327913
- Other Identifier
- 991019169648204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Astronomy & Astrophysics
- Physics, Particles & Fields