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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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
Issue number12
StatePublished - Mar 27 2020

Bibliographical note

Funding Information:
This manuscript was co-authored by members of the miner v a Collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U. S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. These resources included support for the miner v a construction project, and support for construction also was granted by the U.S. National Science Foundation under Grant No. PHY-0619727 and by the University of Rochester. Support for participating scientists was provided by NSF and DOE (U.S.), by CAPES and CNPq (Brazil), by CoNaCyT (Mexico), by Proyecto Basal FB 0821, CONICYT PIA ACT1413, Fondecyt 3170845, and 11130133 (Chile), by CONCYTEC, DGI-PUCP, and IDI/IGI-UNI (Peru), and by the Latin American Center for Physics (CLAF). We thank the MINOS Collaboration for use of its near detector data. Finally, we thank the staff of Fermilab for support of the beam line, the detector, and computing infrastructure.

Publisher Copyright:
© 2020 authors. Published by the American Physical Society.

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