Overview of lunar detection of ultra-high energy particles and new plans for the SKA
The lunar technique is a method for maximising the collection area for ultra-high-energy (UHE) cosmic ray and neutrino searches. The method uses either ground-based radio telescopes or lunar orbiters to search for Askaryan emission from particles cascading near the lunar surface. While experiments u...
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doaj-f0b3fa21600a4899b9bb06455185c7c72021-08-02T13:40:56ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011350400110.1051/epjconf/201713504001epjconf_arena2017_04001Overview of lunar detection of ultra-high energy particles and new plans for the SKAJames Clancy W.0Alvarez-Muñiz Jaime1Bray Justin D.2Buitink Stijn3Dagkesamanskii Rustam D.4Ekers Ronald D.5Falcke HeinoGayley Ken6Huege Tim7Mevius Maaijke8Mutel Rob9Scholten OlafSpencer Ralph10ter Veen Sander11Winchen Tobias12ECAP, Univ. of Erlangen-NurembergDepto. de Física de Partículas & Instituto Galego de Física de Altas Enerxías, Univ. de Santiago de CompostelaSchool of Physics & Astronomy, Univ. of ManchesterAstrophysical Institute, Vrije Universiteit BrusselLPI, Russian Academy of SciencesCSIRO Astronomy & Space ScienceDept. of Physics & Astronomy, Univ. of IowaIKP, Karlsruhe Institut für TechnologieKernfysisch Versneller Instituut„ Univ. of GroningenDept. of Physics & Astronomy, Univ. of IowaSchool of Physics & Astronomy, Univ. of ManchesterDept. of Astrophysics/IMAPP, Radboud Univ. NijmegenAstrophysical Institute, Vrije Universiteit BrusselThe lunar technique is a method for maximising the collection area for ultra-high-energy (UHE) cosmic ray and neutrino searches. The method uses either ground-based radio telescopes or lunar orbiters to search for Askaryan emission from particles cascading near the lunar surface. While experiments using the technique have made important advances in the detection of nanosecond-scale pulses, only at the very highest energies has the lunar technique achieved competitive limits. This is expected to change with the advent of the Square Kilometre Array (SKA), the low-frequency component of which (SKA-low) is predicted to be able to detect an unprecedented number of UHE cosmic rays. In this contribution, the status of lunar particle detection is reviewed, with particular attention paid to outstanding theoretical questions, and the technical challenges of using a giant radio array to search for nanosecond pulses. The activities of SKA’s High Energy Cosmic Particles Focus Group are described, as is a roadmap by which this group plans to incorporate this detection mode into SKA-low observations. Estimates for the sensitivity of SKA-low phases 1 and 2 to UHE particles are given, along with the achievable science goals with each stage. Prospects for near-future observations with other instruments are also described.https://doi.org/10.1051/epjconf/201713504001 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
James Clancy W. Alvarez-Muñiz Jaime Bray Justin D. Buitink Stijn Dagkesamanskii Rustam D. Ekers Ronald D. Falcke Heino Gayley Ken Huege Tim Mevius Maaijke Mutel Rob Scholten Olaf Spencer Ralph ter Veen Sander Winchen Tobias |
spellingShingle |
James Clancy W. Alvarez-Muñiz Jaime Bray Justin D. Buitink Stijn Dagkesamanskii Rustam D. Ekers Ronald D. Falcke Heino Gayley Ken Huege Tim Mevius Maaijke Mutel Rob Scholten Olaf Spencer Ralph ter Veen Sander Winchen Tobias Overview of lunar detection of ultra-high energy particles and new plans for the SKA EPJ Web of Conferences |
author_facet |
James Clancy W. Alvarez-Muñiz Jaime Bray Justin D. Buitink Stijn Dagkesamanskii Rustam D. Ekers Ronald D. Falcke Heino Gayley Ken Huege Tim Mevius Maaijke Mutel Rob Scholten Olaf Spencer Ralph ter Veen Sander Winchen Tobias |
author_sort |
James Clancy W. |
title |
Overview of lunar detection of ultra-high energy particles and new plans for the SKA |
title_short |
Overview of lunar detection of ultra-high energy particles and new plans for the SKA |
title_full |
Overview of lunar detection of ultra-high energy particles and new plans for the SKA |
title_fullStr |
Overview of lunar detection of ultra-high energy particles and new plans for the SKA |
title_full_unstemmed |
Overview of lunar detection of ultra-high energy particles and new plans for the SKA |
title_sort |
overview of lunar detection of ultra-high energy particles and new plans for the ska |
publisher |
EDP Sciences |
series |
EPJ Web of Conferences |
issn |
2100-014X |
publishDate |
2017-01-01 |
description |
The lunar technique is a method for maximising the collection area for ultra-high-energy (UHE) cosmic ray and neutrino searches. The method uses either ground-based radio telescopes or lunar orbiters to search for Askaryan emission from particles cascading near the lunar surface. While experiments using the technique have made important advances in the detection of nanosecond-scale pulses, only at the very highest energies has the lunar technique achieved competitive limits. This is expected to change with the advent of the Square Kilometre Array (SKA), the low-frequency component of which (SKA-low) is predicted to be able to detect an unprecedented number of UHE cosmic rays.
In this contribution, the status of lunar particle detection is reviewed, with particular attention paid to outstanding theoretical questions, and the technical challenges of using a giant radio array to search for nanosecond pulses. The activities of SKA’s High Energy Cosmic Particles Focus Group are described, as is a roadmap by which this group plans to incorporate this detection mode into SKA-low observations. Estimates for the sensitivity of SKA-low phases 1 and 2 to UHE particles are given, along with the achievable science goals with each stage. Prospects for near-future observations with other instruments are also described. |
url |
https://doi.org/10.1051/epjconf/201713504001 |
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