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24 April 2024 |
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High-precision measurements of extensive air showers with the SKA | | T. Huege
; J.D. Bray
; S. Buitink
; R. Dallier
; R.D. Ekers
; H. Falcke
; A. Haungs
; C.W. James
; L. Martin
; B. Revenu
; O. Scholten
; F.G. Schröder
; A. Zilles
; | | Date: |
14 Aug 2015 | | Abstract: | As of 2023, the Square Kilometre Array will constitute the world’s largest
radio telescope, offering unprecedented capabilities for a diverse science
programme in radio astronomy. At the same time, the SKA will be ideally suited
to detect extensive air showers initiated by cosmic rays in the Earth’s
atmosphere via their radio emission. With its very dense and uniform antenna
spacing in a fiducial area of one km$^2$ and its large bandwidth of 50-350 MHz,
the low-frequency part of the SKA will provide very precise measurements of
individual cosmic ray air showers. These precision measurements will allow
detailed studies of the mass composition of cosmic rays in the energy region of
transition from a Galactic to an extragalactic origin. Also, the SKA will
facilitate three-dimensional "tomography" of the electromagnetic cascades of
air showers, allowing the study of particle interactions at energies beyond the
reach of the LHC. Finally, studies of possible connections between air showers
and lightning initiation can be taken to a new level with the SKA. We discuss
the science potential of air shower detection with the SKA and report on the
technical requirements and project status. | | Source: | arXiv, 1508.3465 | | Services: | Forum | Review | PDF | Favorites | |
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