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    Ionospheric propagation effects for UHE neutrino detection with the lunar Cherenkov technique

    Access Status
    Fulltext not available
    Authors
    McFadden, R.
    Ekers, Ronald
    Bray, J.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    McFadden, R. and Ekers, R. and Bray, J. 2011. Ionospheric propagation effects for UHE neutrino detection with the lunar Cherenkov technique. Proceedings of the 32nd International Cosmic Ray Conference, ICRC 2011. 4: pp. 284-287.
    Source Title
    Proceedings of the 32nd International Cosmic Ray Conference, ICRC 2011
    DOI
    10.7529/ICRC2011/V04/1322
    School
    Curtin Institute of Radio Astronomy (Engineering)
    URI
    http://hdl.handle.net/20.500.11937/15716
    Collection
    • Curtin Research Publications
    Abstract

    Lunar Cherenkov experiments aim to detect nanosecond pulses of Cherenkov emission produced during UHE cosmic ray or neutrino interactions in the lunar regolith. Pulses from these interactions are dispersed, and therefore reduced in amplitude, during propagation through the Earth's ionosphere. Pulse dispersion must therefore be corrected to maximise the received signal to noise ratio and subsequent chances of detection. The pulse dispersion characteristic may also provide a powerful signature to determine the lunar origin of a pulse and discriminate against pulses of terrestrial radio frequency interference (RFI). This characteristic is parameterised by the instantaneous Total Electron Content (TEC) of the ionosphere and therefore an accurate knowledge of the ionospheric TEC provides an experimental advantage for the detection and identification of lunar Cherenkov pulses. We present a new method to calibrate the dispersive effect of the ionosphere on lunar Cherenkov pulses using lunar Faraday rotation measurements combined with geomagnetic field models.

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