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Hart, T.L.

Paper Title Page
RPPT058 Kaon Monitoring Using the MiniBooNE Little Muon Counter 3435
 
  • T.L. Hart
    Colorado University at Boulder, Boulder, Colorado
 
  The Little Muon Counter (LMC) is a permanent magnet spectrometer designed to constrain electron neutrino backgrounds to the MiniBooNE experiment's neutrino oscillation signal. Electron neutrinos from kaon decay are a background to the MiniBooNE signal mode of the oscillation of muon neutrinos to electron neutrinos. MiniBooNE uses collisions of 8 GeV protons from the Fermilab Booster accelerator on a beryllium target to generate a secondary beam of pions and kaons that decay to produce a neutrino beam. The LMC constrains the kaon content of the meson beam, and thus the electron neutrinos from kaon decays, through momenta measurements of muons originating from decays of secondary beam kaons and pions. The LMC, located 7 degrees off-axis from the secondary beam, can distinguish pionic muons from kaonic muons kinematically. A description of the LMC components; analysis milestones including track momenta, muon identification penetration depth, track projection plots, and event displays; and the status of the LMC are presented.