Measurements of muon flux at 1070 metres vertical depth in the Boulby underground laboratory
M. Robinson (University of Sheffield), V. A. Kudryavtsev (University, of Sheffield), R. Luscher (Imperial College), J. E. McMillan (University of, Sheffield), P. K. Lightfoot (University of Sheffield), N. J. C. Spooner, (University of Sheffield)
TL;DR
This paper reports measurements of cosmic-ray muon flux and energy spectra at a deep underground laboratory, comparing experimental data with simulations to understand muon behavior at 1070 meters depth.
Contribution
First detailed measurement of muon flux and energy spectra at Boulby underground lab, with simulation validation and comparison.
Findings
Muon flux measured as (4.09+/-0.15)x10^-8 /cm^2/s
Energy deposition spectra obtained and analyzed
Simulation results agree with experimental data
Abstract
Measurements of cosmic-ray muon rates and energy deposition spectra in a one tonne liquid scintillator detector at 1070 metres vertical depth in the Boulby underground laboratory are discussed. In addition, the simulations used to model the detector are described. The results of the simulations are compared to the experimental data and conclusions given. The muon flux in the laboratory is found to be (4.09+/-0.15)x10^-8 /cm^2/s.
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