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  • Constraining the NuMI neutrino flux using inverse muon decay reactions in MINERvA
    Ruterbories, D; Z Ahmad Dar; Akbar, F; Ascencio, M V; Bashyal, A; Bercellie, A; Betancourt, M; Bodek, A; Bonilla, J L; Bravar, A; Budd, H; Caceres, G; Cai, T; Carneiro, M F; DÍaz, G A; da Motta, H; Felix, J; Fields, L; Filkins, A; Fine, R; Gago, A M; Gallagher, H; Ghosh, A; Gran, R; Harris, D A; Henry, S; Jena, D; Jena, S; Kleykamp, J; Kordosky, M; Last, D; T Le; Lozano, A; X -G Lu; Maher, E; Manly, S; Mann, W A; Mauger, C; McFarland, K S; McGowan, A M; Messerly, B; Miller, J; Morfín, J G; Naples, D; Nelson, J K; Nguyen, C; Norrick, A; Olivier, A; Paolone, V; Perdue, G N; K -J Plows; Ramírez, M A; Ray, H; Schellman, H; Solano Salinas, C J; H Su; Sultana, M; Syrotenko, V S; Valencia, E; Vaughan, N H; Waldron, A V; Yaeggy, B; Yang, K; Zazueta, L; The MINERvA Collaboration

    arXiv.org, 11/2021
    Paper, Journal Article

    Inverse muon decay, \(\nu_\mu e^-\to\mu^-\nu_e\), is a reaction whose cross-section can be predicted with very small uncertainties. It has a neutrino energy threshold of \(\approx 11\) 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 anti-neutrino enhanced beams, and have constrained the predicted high-energy flux.

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