Neutrino Flux Predictions for the NuMI Beam
MINERvA Collaboration: L. Aliaga, M. Kordosky, T. Golan, O. Altinok,, L. Bellantoni, A. Bercellie, M. Betancourt, A. Bravar, H. Budd, M.F., Carneiro, G. A. Diaz, E. Endress, J. Felix, L. Fields, R. Fine, A. M. Gago,, R. Galindo, H. Gallagher, R. Gran, D. A. Harris, A. Higuera
TL;DR
This paper presents a highly precise prediction of the neutrino flux for the NuMI beamline, crucial for various neutrino experiments, by integrating extensive hadron production data and validating against in situ measurements.
Contribution
It introduces the most accurate neutrino flux prediction for the 1-10 GeV energy range by combining comprehensive hadron production data and in situ flux measurements.
Findings
Good agreement between prediction and measurements
Most precise flux prediction for the 1-10 GeV range
Enhanced understanding of neutrino flux uncertainties
Abstract
Knowledge of the neutrino flux produced by the Neutrinos at the Main Injector (NuMI) beamline is essential to the neutrino oscillation and neutrino interaction measurements of the MINERvA, MINOS+, NOvA and MicroBooNE experiments at Fermi National Accelerator Laboratory. We have produced a flux prediction which uses all available and relevant hadron production data, incorporating measurements of particle production off of thin targets as well as measurements of particle yields from a spare NuMI target exposed to a 120 GeV proton beam. The result is the most precise flux prediction achieved for a neutrino beam in the one to tens of GeV energy region. We have also compared the prediction to in situ measurements of the neutrino flux and find good agreement.
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