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Measurement of the muon antineutrino double-differential cross section for quasielastic-like scattering on hydrocarbon at Eν∼3.5 GeV

  • Author(s): Patrick, CE
  • Aliaga, L
  • Bashyal, A
  • Bellantoni, L
  • Bercellie, A
  • Betancourt, M
  • Bodek, A
  • Bravar, A
  • Budd, H
  • Caceres, GFRV
  • Carneiro, MF
  • Chavarria, E
  • Da Motta, H
  • Dytman, SA
  • Díaz, GA
  • Felix, J
  • Fields, L
  • Fine, R
  • Gago, AM
  • Galindo, R
  • Gallagher, H
  • Ghosh, A
  • Gran, R
  • Han, JY
  • Harris, DA
  • Henry, S
  • Hurtado, K
  • Jena, D
  • Kleykamp, J
  • Kordosky, M
  • Le, T
  • Lu, XG
  • Maher, E
  • Manly, S
  • Mann, WA
  • Marshall, CM
  • McFarland, KS
  • McGowan, AM
  • Messerly, B
  • Miller, J
  • Mislivec, A
  • Morfín, JG
  • Mousseau, J
  • Naples, D
  • Nelson, JK
  • Norrick, A
  • Nowak, GM
  • Nuruzzaman
  • Paolone, V
  • Perdue, GN
  • Peters, E
  • Ramírez, MA
  • Ransome, RD
  • Ray, H
  • Ren, L
  • Rodrigues, PA
  • Ruterbories, D
  • Schellman, H
  • Solano Salinas, CJ
  • Sultana, M
  • Sánchez Falero, S
  • Teklu, AM
  • Valencia, E
  • Wolcott, J
  • Wospakrik, M
  • Yaeggy, B
  • Zhang, D
  • et al.
Abstract

© 2018 authors. We present double-differential measurements of antineutrino charged-current quasielastic scattering in the MINERvA detector. This study improves on a previous single-differential measurement by using updated reconstruction algorithms and interaction models and provides a complete description of observed muon kinematics in the form of a double-differential cross section with respect to muon transverse and longitudinal momentum. We include in our signal definition zero-meson final states arising from multinucleon interactions and from resonant pion production followed by pion absorption in the primary nucleus. We find that model agreement is considerably improved by a model tuned to MINERvA inclusive neutrino scattering data that incorporates nuclear effects such as weak nuclear screening and two-particle, two-hole enhancements.

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