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High-Statistics Measurement of Neutrino Quasielasticlike Scattering at 6 GeV on a Hydrocarbon TargetCarneiro, M F; Ruterbories, D; Ahmad Dar, Z; Akbar, F; Andrade, D A; Ascencio, M V; Badgett, W; Bashyal, A; Bercellie, A; Betancourt, M; Bonin, K; Bravar, A; Budd, H; Caceres, G; Cai, T; da Motta, H; Díaz, G A; Felix, J; Fields, L; Filkins, A; Fine, R; Gago, A M; Ghosh, A; Gran, R; Hahn, D; Harris, D A; Henry, S; Hylen, J; Jena, S; Jena, D; Joe, C; King, B; Kleykamp, J; Kordosky, M; Last, D; Le, T; LeClerc, J; Lozano, A; Lu, X-G; Maher, E; Manly, S; Mann, W A; McFarland, K S; McGivern, C L; McGowan, A M; Messerly, B; Miller, J; Morfín, J G; Murphy, M; Naples, D; Nelson, J K; Nguyen, C; Norrick, A; Olivier, A; Paolone, V; Perdue, G N; Riehecky, P; Schellman, H; Schlabach, P; Solano Salinas, C J; Su, H; Sultana, M; Syrotenko, V S; Torretta, D; Wret, C; Yaeggy, B; Yonehara, K; Zazueta, L
Physical review letters, 03/2020, Volume: 124, Issue: 12Journal Article
We measure neutrino charged-current quasielasticlike scattering on hydrocarbon at high statistics using the wideband Neutrinos at the Main Injector beam with neutrino energy peaked at 6 GeV. The double-differential cross section is reported in terms of muon longitudinal (p_{∥}) and transverse (p_{⊥}) momentum. Cross section contours versus lepton momentum components are approximately described by a conventional generator-based simulation, however, discrepancies are observed for transverse momenta above 0.5 GeV/c for longitudinal momentum ranges 3-5 and 9-20 GeV/c. The single differential cross section versus momentum transfer squared (dσ/dQ_{QE}^{2}) is measured over a four-decade range of Q^{2} that extends to 10 GeV^{2}. The cross section turnover and falloff in the Q^{2} range 0.3-10 GeV^{2} is not fully reproduced by generator predictions that rely on dipole form factors. Our measurement probes the axial-vector content of the hadronic current and complements the electromagnetic form factor data obtained using electron-nucleon elastic scattering. These results help oscillation experiments because they probe the importance of various correlations and final-state interaction effects within the nucleus, which have different effects on the visible energy in detectors.
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