Constraining the NuMI neutrino flux using inverse muon reactions in MINERvA
PHYSICAL REVIEW D(2021)
摘要
Inverse muon decay, nu(mu)e(-) -> mu(-)v(e), is a reaction whose cross section can be predicted with very small uncertainties. It has a neutrino energy threshold of approximate to 11 GeV and can be used to constrain the high-energy part of the flux in the NuMI neutrino beam. This reaction is the dominant source of events which only contain high-energy muons nearly parallel to the direction of the neutrino beam. We have isolated a sample of hundreds of such events in neutrino and antineutrino enhanced beams, and have constrained the predicted high-energy flux.
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关键词
Neutrino Detection,Neutrino Interactions
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