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Measurement of neutrino flux from neutrino-electron elastic scattering

  • (MINERνA Collaboration)
  • University of Rochester
  • College of William and Mary
  • Pontifical Catholic Univ. of Peru
  • Tufts University
  • Fermi National Accelerator Laboratory
  • University of Geneva
  • Centro Brasileiro de Pesquisas Físicas
  • Hampton University
  • University of Pittsburgh
  • Slac National Acceleratory Laboratory
  • Universidad de Guanajuato
  • Northwestern University
  • Universidad Técnica Federico Santa Maria
  • University of Minnesota Duluth
  • University of Houston
  • Rutgers - The State University of New Jersey, New Brunswick
  • Massachusetts College of Liberal Arts
  • Illinois Institute of Technology
  • University of Florida
  • University of Michigan, Ann Arbor
  • Université d'Antananarivo
  • Oregon State University
  • Universidad Nacional de Ingenieriá
  • Otterbein University

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

62 Citas (Scopus)

Resumen

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.

Idioma originalInglés
Número de artículo112007
PublicaciónPhysical Review D
Volumen93
N.º11
DOI
EstadoPublicada - 10 jun. 2016

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