Study of Spherical Array Target for Long-Baseline Neutrino Experiment
Abstract
Spherical Array Target was studied by implementing the geometry in LBNE's Beam Simulation source code g4lbne version v3r2p4 and Monte Carlo. To compare with Nominal LBNE target, unoscillated Far Detector neutrino flux was produced using different parameters: sphere diameter 17mm and 13mm, different longitudinal positions, two interaction length and less, beam size R/3 and 1.7mm, and beam offset from 50 μm to 1mm. The 1.86 interaction length (901mm), 17mm diameter target, with beam size 1.7mm gives higher μ flux up to 10\% from 0-3.5 GeV, and suppresses flux up to 70\% at energy higher than 3.5 GeV.
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