The Acoustic Module for the IceCube Upgrade
International Cosmic Ray Conference, pp. 1059
Abstract
The IceCube Neutrino Observatory will be upgraded with more than 700 additional optical sensor modules and new calibration devices. Improved calibration will enhance IceCube’s physics capabilities both at low and high neutrino energies. An important ingredient for good angular resolution of the observatory is precise calibration of the positions of optical sensors. Ten acoustic modules, which are capable of receiving and transmitting acoustic signals, will be attached to the strings. These signals can additionally be detected by compact acoustic sensors inside some of the optical sensor modules. With this system we aim for calibration of the detectors’ geometry with a precision better than 10 cm by means of trilateration of the propagation times of acoustic signals. This new method will allow for an improved and complementary geometry calibration with respect to previously used methods based on optical flashers and drill logging data. The longer attenuation length of sound compared to light makes the acoustic module a promising candidate for IceCube-Gen2, which may have optical sensors on strings with twice the current spacing. We present an overview of the technical design and tests of the system as well as analytical methods for determining the propagation times of the acoustic signals.
Authors 99
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Affiliation as printed
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B, RWTH Aachen University, D-52056 Aachen, Germany
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
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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
Dept. of Physics and Astronomy, University of Gent, B-9000 Gent, 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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Affiliation as printed
Department of Physics and Laboratory for Particle Physics and Cosmology , Harvard University , Cambridge , MA 02138 , 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
Université Libre de Bruxelles , Science Faculty CP230 , B-1050 Brussels , Belgium
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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
III. Physikalisches Institut B, RWTH Aachen University, D-52056 Aachen, Germany
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
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Affiliation as printed
Fakultät für Physik & Astronomie , Ruhr-Universität Bochum , D-44780 Bochum , Germany
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Affiliation as printed
Dept. of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
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Lawrence Berkeley National Laboratory · University of California, Berkeley
Affiliation as printed
Dept. of Physics , University of California , Berkeley , CA 94720 , USA
Lawrence Berkeley National Laboratory , Berkeley , CA 94720 , USA
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University of Alberta · Friedrich-Alexander-Universität Erlangen-Nürnberg
Affiliation as printed
Dept. of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1 26 Erlangen Centre for Astroparticle Physics,
Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
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Affiliation as printed
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , Germany
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Affiliation as printed
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B, RWTH Aachen University, D-52056 Aachen, Germany
III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
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Affiliation as printed
Dept. of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
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University of Alberta · Friedrich-Alexander-Universität Erlangen-Nürnberg
Affiliation as printed
Dept. of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1 26 Erlangen Centre for Astroparticle Physics,
Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
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Affiliation as printed
Department of Physics , University of Adelaide , Adelaide , 5005 , Australia
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Affiliation as printed
Department of Physics , University of Adelaide , Adelaide , 5005 , Australia
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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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Affiliation as printed
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , 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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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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Affiliation as printed
Vrije Universiteit Brussel (VUB) , Dienst ELEM , B-1050 Brussels , Belgium
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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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Affiliation as printed
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , Germany
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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
III. Physikalisches Institut , RWTH Aachen University , D-52056 Aachen , Germany
III. Physikalisches Institut B , RWTH Aachen University , D-52056 Aachen , Germany
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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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Southern University and Agricultural and Mechanical College
Affiliation as printed
Dept. of Physics , Southern University , Baton Rouge , LA 70813 , 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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