Direct Measurement of Nuclear Dependence of Charged Current Quasielasticlike Neutrino Interactions Using MINERvA

M. Betancourt, A. Ghosh, T. Walton, O. Altinok, L. Bellantoni, A. Bercellie, A. Bodek, A. Bravar, T. Cai, D. A. Martinez Caicedo, M. F. Carneiro, S. A. Dytman, G. A. Díaz, J. Felix, L. Fields, R. Fine, R. Galindo, H. Gallagher, A. Ghosh, T. GolanR. Gran, D. A. Harris, A. Higuera, K. Hurtado, M. Kiveni, J. Kleykamp, T. Le, E. Maher, S. Manly, W. A. Mann, C. M. Marshall, K. S. McFarland, C. L. McGivern, A. M. McGowan, B. Messerly, J. Miller, A. Mislivec, J. G. Morfín, J. Mousseau, D. Naples, J. K. Nelson, A. Norrick, NULL Nuruzzaman, C. E. Patrick, G. N. Perdue, M. A. Ramirez, L. Ren, D. Rimal, P. A. Rodrigues, D. Ruterbories, H. Schellman, J. T. Sobczyk, C. J. Solano Salinas, S. Sánchez Falero, E. Valencia, J. Wolcott, M. Wospakrik, B. Yaeggy

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Charged-current νμ interactions on carbon, iron, and lead with a final state hadronic system of one or more protons with zero mesons are used to investigate the influence of the nuclear environment on quasielasticlike interactions. The transferred four-momentum squared to the target nucleus, Q2, is reconstructed based on the kinematics of the leading proton, and differential cross sections versus Q2 and the cross-section ratios of iron, lead, and carbon to scintillator are measured for the first time in a single experiment. The measurements show a dependence on the atomic number. While the quasielasticlike scattering on carbon is compatible with predictions, the trends exhibited by scattering on iron and lead favor a prediction with intranuclear rescattering of hadrons accounted for by a conventional particle cascade treatment. These measurements help discriminate between different models of both initial state nucleons and final state interactions used in the neutrino oscillation experiments.
Idioma originalEspañol
PublicaciónPhysical Review Letters
EstadoPublicada - 25 ago. 2017

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