Constraint of the MINERν A medium energy neutrino flux using neutrino-electron elastic scattering

MINERν A Collaboration

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11 Scopus citations

Abstract

Elastic neutrino scattering on electrons is a precisely known purely leptonic process that provides a standard candle for measuring neutrino flux in conventional neutrino beams. Using a total sample of 810 neutrino-electron scatters after background subtraction, the measurement reduces the normalization uncertainty on the νμ NuMI beam flux between 2 and 20 GeV from 7.6 to 3.9%. This is the most precise measurement of neutrino-electron scattering to date, will reduce uncertainties on MINERνA's absolute cross section measurements, and demonstrates a technique that can be used in future neutrino beams such as long baseline neutrino facility.

Original languageEnglish (US)
Article number092001
JournalPhysical Review D
Volume100
Issue number9
DOIs
StatePublished - Nov 5 2019

Bibliographical note

Funding Information:
This document was prepared by members of the A Collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. These resources included support for the A construction project, and support for construction also was granted by the U.S. National Science Foundation under Grant No. PHY-0619727 and by the University of Rochester. Support for participating scientists was provided by NSF and DOE (U.S.), by CAPES and CNPq (Brazil), by CoNaCyT (Mexico), by Proyecto Basal FB 0821, CONICYT PIA ACT1413, Fondecyt 3170845, and 11130133 (Chile), by CONCYTEC, DGI-PUCP, and IDI/IGI-UNI (Peru), and by the Latin American Center for Physics (CLAF). We thank the MINOS Collaboration for use of its near detector data. We thank the staff of Fermilab for support of the beam line, the detector, and computing infrastructure. Finally, we are grateful to Oleksandr Tomalak for gently pointing out an error in the radiative correction formulas in the Appendix.

Publisher Copyright:
© 2019 authors. Published by the American Physical Society.

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