Response of nuclear track detector CR-39 to low energy muons

Thomas, H S P and Deas, R M and Kirkham, L N and Dodd, P M and Zemaityte, E and Hillier, A D and Neely, D (2021) Response of nuclear track detector CR-39 to low energy muons. Plasma Physics and Controlled Fusion, 63 (12). 124001. ISSN 0741-3335 (https://doi.org/10.1088/1361-6587/ac2558)

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Abstract

The effectiveness of the PolyAllyl Diglycol Carbonate (PADC) etched solid state nuclear track detector (SSNTD), commonly known as CR-39, as a muon detector is assessed. CR-39 is successfully used to detect higher rest mass particles such as neutrons and protons, and is, for example, widely used in neutron dosimetry applications. CR-39 is generally accepted as being less suitable to detect lower rest mass particles such as muons, and especially electrons, due mostly to their reduced momenta and consequently, reduced stopping power. However, there has been some evidence that CR-39 may have application in the detection of cosmic ray muons. Monte Carlo simulations indicate that CR-39 can detect muons with energies up to 2.8 MeV. Experimental data to demonstrate the ability of CR-39 to detect muons was acquired using the MuSR spectrometer station at the ISIS Neutron and Muon Source. Pits deposited in CR-39 generated by positive muons from the beamline have been characterised and compared with pits deposited by protons and neutrons from other sources. The extent to which a CR-39 SSNTD can discriminate muons from particles with different momenta and rest masses is discussed.

  • Item type:Article
    ID code:78306
    Dates:
    Date
    Event
    31 December 2021
    Published
    20 October 2021
    Published Online
    9 September 2021
    Accepted
    15 April 2021
    Submitted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:28 Oct 2021 10:52
    Last modified:09 Apr 2024 02:47
    URI:https://strathprints.strath.ac.uk/id/eprint/78306
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