A Two-Component Lateral Distribution Function for the Reconstruction of Air-Shower Events in IceTop
International Cosmic Ray Conference, pp. 357
Abstract
The surface component of the IceCube Neutrino Observatory, IceTop, consists of an array of ice-Cherenkov tanks measuring the electromagnetic signal as well as low-energy ($\sim\rm{GeV}$) muons from cosmic-ray air showers. In addition, accompanying high-energy (above a few 100$\,\rm{GeV}$) muons can be observed in coincidence in the deep in-ice detector. A combined measurement of the low- and high-energy muon content is of particular interest for tests of hadronic interaction models as well as for cosmic-ray mass discrimination. However, since IceTop does not feature dedicated muon detectors, an estimation of the low-energy muon component of individual air showers is challenging. In this work, a two-component lateral distribution function (LDF), using separate descriptions for the electromagnetic and muon lateral distributions of the detector signals, is introduced as a new approach for the estimation of low-energy muons in air showers on an event-by-event basis. The principle of the air-shower reconstruction using the two-component LDF, as well as its reconstruction performance with respect to primary energy and number of low-energy muons will be discussed.
Authors 99
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Karlsruhe Institute of Technology · RWTH Aachen University
Affiliation as printed
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, Germany
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Karlsruhe Institute of Technology · University of Alaska Anchorage · University of Utah · The University of Adelaide
Affiliation as printed
Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA
Department of Physics, University of Adelaide, Adelaide, 5005, Australia
Dept. of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Dr., Anchorage, AK 99508, USA
Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, Karlsruhe, Germany
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Affiliation as printed
Dept. of
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Affiliation as printed
Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
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Affiliation as printed
Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
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University of California, Berkeley
Affiliation as printed
Dept. of Physics, University of California, Berkeley, CA 94720, USA
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Affiliation as printed
Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
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Karlsruhe Institute of Technology · RWTH Aachen University
Affiliation as printed
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, Germany
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Affiliation as printed
Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
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Karlsruhe Institute of Technology · RWTH Aachen University
Affiliation as printed
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, Germany
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Georgia Institute of Technology
Affiliation as printed
School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Karlsruhe Institute of Technology · The University of Adelaide
Affiliation as printed
Department of Physics, University of Adelaide, Adelaide, 5005, Australia
Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, Karlsruhe, Germany
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Affiliation as printed
Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
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Karlsruhe Institute of Technology · The University of Adelaide
Affiliation as printed
Department of Physics, University of Adelaide, Adelaide, 5005, Australia
Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, Karlsruhe, Germany
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Affiliation as printed
Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
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Georgia Institute of Technology
Affiliation as printed
School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Massachusetts Institute of Technology
Affiliation as printed
Dept. of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Massachusetts Institute of Technology
Affiliation as printed
Dept. of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Affiliation as printed
Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
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Affiliation as printed
Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
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Georgia Institute of Technology
Affiliation as printed
School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Affiliation as printed
Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
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Karlsruhe Institute of Technology · RWTH Aachen University
Affiliation as printed
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, Germany
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Affiliation as printed
Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
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Massachusetts Institute of Technology
Affiliation as printed
Dept. of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Karlsruhe Institute of Technology · RWTH Aachen University
Affiliation as printed
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, Germany
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Affiliation as printed
Dept. of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
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Southern University and Agricultural and Mechanical College
Affiliation as printed
Dept. of Physics, Southern University, Baton Rouge, LA 70813, USA
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Humboldt-Universität zu Berlin
Affiliation as printed
Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
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