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  • PhysRevD.79.072002

    Rights statement: © 2009 The American Physical Society

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The neutrino flux prediction at MiniBooNE

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  • MiniBooNE Collaboration
Article number072002
<mark>Journal publication date</mark>15/04/2009
<mark>Journal</mark>Physical Review D – Particles and Fields
Issue number7
Number of pages38
Publication StatusPublished
<mark>Original language</mark>English


The booster neutrino experiment (MiniBooNE) searches for νμ→νe oscillations using the O(1  GeV) neutrino beam produced by the booster synchrotron at the Fermi National Accelerator Laboratory). The booster delivers protons with 8 GeV kinetic energy (8.89  GeV/c momentum) to a beryllium target, producing neutrinos from the decay of secondary particles in the beam line. We describe the Monte Carlo simulation methods used to estimate the flux of neutrinos from the beam line incident on the MiniBooNE detector for both polarities of the focusing horn. The simulation uses the Geant4 framework for propagating particles, accounting for electromagnetic processes and hadronic interactions in the beam line materials, as well as the decay of particles. The absolute double differential cross sections of pion and kaon production in the simulation have been tuned to match external measurements, as have the hadronic cross sections for nucleons and pions. The statistical precision of the flux predictions is enhanced through reweighting and resampling techniques. Systematic errors in the flux estimation have been determined by varying parameters within their uncertainties, accounting for correlations where appropriate.

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© 2009 The American Physical Society