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Measurement of neutrino flux from neutrino-electron elastic scattering

Park, J; Aliaga, L; Altinok, O; Bellantoni, L; Bercellie, A; Betancourt, M; Bodek, A; ... Zhang, D; + view all (2016) Measurement of neutrino flux from neutrino-electron elastic scattering. Physical Review D , 93 (11) , Article 112007. 10.1103/PhysRevD.93.112007. Green open access

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Abstract

Muon-neutrino elastic scattering on electrons is an observable neutrino process whose cross section is precisely known. Consequently a measurement of this process in an accelerator-based νμ beam can improve the knowledge of the absolute neutrino flux impinging upon the detector; typically this knowledge is limited to ∼10% due to uncertainties in hadron production and focusing. We have isolated a sample of 135±17 neutrino-electron elastic scattering candidates in the segmented scintillator detector of MINERvA, after subtracting backgrounds and correcting for efficiency. We show how this sample can be used to reduce the total uncertainty on the NuMI νμ flux from 9% to 6%. Our measurement provides a flux constraint that is useful to other experiments using the NuMI beam, and this technique is applicable to future neutrino beams operating at multi-GeV energies.

Type: Article
Title: Measurement of neutrino flux from neutrino-electron elastic scattering
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.93.112007
Publisher version: http://doi.org/10.1103/PhysRevD.93.112007
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10065111
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