title: Measurement of ratios of νμ charged-current cross sections on C, Fe, and Pb to CH at neutrino energies 2-20 GeV.
abstract: We present measurements of ν(μ) charged-current cross section ratios on carbon, iron, and lead relative to a scintillator (CH) using the fine-grained MINERvA detector exposed to the NuMI neutrino beam at Fermilab. The measurements utilize events of energies 2<E(ν)<20 GeV, with ⟨E(ν)⟩ = 8 GeV, which have a reconstructed μ(-) scattering angle less than 17° to extract ratios of inclusive total cross sections as a function of neutrino energy E(ν) and flux-integrated differential cross sections with respect to the Bjorken scaling variable x. These results provide the first high-statistics direct measurements of nuclear effects in neutrino scattering using different targets in the same neutrino beam. Measured cross section ratios exhibit a relative depletion at low x and enhancement at large x. Both become more pronounced as the nucleon number of the target nucleus increases. The data are not reproduced by GENIE, a conventional neutrino-nucleus scattering simulation, or by the alternative models for the nuclear dependence of inelastic scattering that are considered.
authors: Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA.
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authors: BG
authors: Tice
authors: Department of Physics, Hampton University, Hampton, Virginia 23668, USA.
authors: M
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authors: Datta
authors: Department of Physics, University of Florida, Gainesville, Florida 32611, USA.
authors: J
authors: J
authors: Mousseau
authors: Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA and Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, Peru.
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authors: Aliaga
authors: Physics Department, Tufts University, Medford, Massachusetts 02155, USA.
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authors: Altinok
authors: Campus León y Campus Guanajuato, Universidad de Guanajuato, Lascurain de Retana No. 5, Col. Centro. Guanajuato 36000, Guanajuato, Mexico.
authors: M G
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authors: Barrios Sazo
authors: Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
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authors: Betancourt
authors: University of Rochester, Rochester, New York 14610, USA.
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authors: Bodek
authors: University of Geneva, Geneva, Switzerland.
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authors: Bravar
authors: Departamento de Física, Universidad Técnica Federico Santa María, Avenida España 1680 Casilla 110-V, Valparaíso, Chile.
authors: W K
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authors: Brooks
authors: University of Rochester, Rochester, New York 14610, USA.
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authors: Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, Peru.
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authors: Institute for Nuclear Research of the Russian Academy of Sciences, 117312 Moscow, Russia.
authors: A
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authors: Butkevich
authors: Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA and Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil.
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authors: Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil.
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authors: University of Rochester, Rochester, New York 14610, USA.
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authors: Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil.
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authors: da Motta
authors: Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA.
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authors: Devan
authors: Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
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authors: Díaz
authors: Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
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authors: Northwestern University, Evanston, Illinois 60208, USA.
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authors: Felix
authors: Northwestern University, Evanston, Illinois 60208, USA.
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authors: Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil.
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authors: Physics Department, Tufts University, Medford, Massachusetts 02155, USA.
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authors: Department of Physics, University of Minnesota-Duluth, Duluth, Minnesota 55812, USA.
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authors: Campus León y Campus Guanajuato, Universidad de Guanajuato, Lascurain de Retana No. 5, Col. Centro. Guanajuato 36000, Guanajuato, Mexico.
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authors: Higuera
authors: Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil and Universidad Nacional de Ingeniería, Apartado 31139 Lima, Peru.
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authors: Department of Physics, University of Texas, 1 University Station, Austin, Texas 78712, USA.
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authors: Jerkins
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authors: Kafka
authors: Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA.
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authors: Kordosky
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authors: Massachusetts College of Liberal Arts, 375 Church Street, North Adams, Massachusetts 01247, USA.
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authors: Martin Mari
authors: Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA and University of Rochester, Rochester, New York 14610, USA.
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authors: Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
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