High-Statistics Measurement of Neutrino Quasielasticlike Scattering at 6 GeV on a Hydrocarbon Target

M. F. Carneiro, D. Ruterbories, Z. Ahmad Dar, F. Akbar, D. A. Andrade, M. V. Ascencio, W. Badgett, A. Bashyal, A. Bercellie, M. Betancourt, K. Bonin, A. Bravar, H. Budd, G. Caceres, T. Cai, H. Da Motta, G. A. Díaz, J. Felix, L. Fields, A. FilkinsR. Fine, A. M. Gago, A. Ghosh, R. Gran, D. Hahn, D. A. Harris, S. Henry, J. Hylen, S. Jena, D. Jena, C. Joe, B. King, J. Kleykamp, M. Kordosky, D. Last, T. Le, J. Leclerc, A. Lozano, X. G. Lu, E. Maher, S. Manly, W. A. Mann, K. S. McFarland, C. L. McGivern, A. M. McGowan, B. Messerly, J. Miller, J. G. Morfín, M. Murphy, D. Naples, J. K. Nelson, C. Nguyen, A. Norrick, A. Olivier, V. Paolone, G. N. Perdue, P. Riehecky, H. Schellman, P. Schlabach, C. J. Solano Salinas, H. Su, M. Sultana, V. S. Syrotenko, D. Torretta, C. Wret, B. Yaeggy, K. Yonehara, L. Zazueta

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Abstract

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/dQQE2) is measured over a four-decade range of Q2 that extends to 10 GeV2. The cross section turnover and falloff in the Q2 range 0.3-10 GeV2 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.

Original languageEnglish (US)
Article number121801
JournalPhysical review letters
Volume124
Issue number12
DOIs
StatePublished - Mar 27 2020

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    Carneiro, 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., ... Zazueta, L. (2020). High-Statistics Measurement of Neutrino Quasielasticlike Scattering at 6 GeV on a Hydrocarbon Target. Physical review letters, 124(12), [121801]. https://doi.org/10.1103/PhysRevLett.124.121801