Publications associated with T2K

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

Physical Review D American Physical Society 97 (2018) 052002-

CE Patrick, L Aliaga, A Bashyal, L Bellantoni, A Bercellie, M Betancourt, A Bravar, E Peters, MA Ramírez, RD Ransome, H Ray, L Ren, PA Rodrigues, D Ruterbories, H Schellman, CJ Solano Salinas, M Sultana, S Sánchez Falero, AM Teklu, E Valencia, J Wolcott, M Wospakrik, B Yaeggy, D Zhang

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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