Measurement of total and differential cross sections of neutrino and antineutrino coherent π ± production on carbon

A. Mislivec, A. Higuera, L. Aliaga, L. Bellantoni, A. Bercellie, M. Betancourt, A. BodeK, A. Bravar, H. Budd, G. F.R.V. Caceres, T. Cai, D. A. Martinez Caicedo, M. F. Carneiro, E. Chavarria, H. Da Motta, S. A. Dytman, G. A. Díaz, J. Felix, L. Fields, R. FineA. M. Gago, R. Galindo, H. Gallagher, A. Ghosh, R. Gran, D. A. Harris, K. Hurtado, D. Jena, J. Kleykamp, M. Kordosky, T. Le, E. Maher, S. Manly, W. A. Mann, C. M. Marshall, K. S. McFarland, B. Messerly, J. Miller, J. G. Morfín, J. Mousseau, D. Naples, J. K. Nelson, C. Nguyen, A. NorricK, Nuruzzaman, V. Paolone, G. N. Perdue, M. A. Ramírez, R. D. Ransome, H. Ray

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20 Scopus citations


Neutrino induced coherent charged pion production on nuclei, νμA→μ±π A, is a rare inelastic interaction in which the four-momentum squared transferred to the nucleus is nearly zero, leaving it intact. We identify such events in the scintillator of MINERvA by reconstructing |t| from the final state pion and muon momenta and by removing events with evidence of energetic nuclear recoil or production of other final state particles. We measure the total neutrino and antineutrino cross sections as a function of neutrino energy between 2 and 20 GeV and measure flux integrated differential cross sections as a function of Q2, Eπ, and θπ. The Q2 dependence and equality of the neutrino and antineutrino cross sections at finite Q2 provide a confirmation of Adler's partial conservation of axial current hypothesis.

Original languageEnglish (US)
Article number032014
JournalPhysical Review D
Issue number3
StatePublished - Feb 1 2018

Bibliographical note

Funding Information:
This document was prepared by members of the MINERvA 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 MINERvA construction project, and support for construction also was granted by the United States National Science Foundation under Award No. PHY-0619727 and by the University of Rochester. Support for participating scientists was provided by NSF and DOE (USA); 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 UDI/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.

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