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Phys Rev Lett. 2013 Jul 12;111(2):022502. doi: 10.1103/PhysRevLett.111.022502. Epub 2013 Jul 11.

Measurement of muon neutrino quasielastic scattering on a hydrocarbon target at Eν ~ 3.5 GeV.

Physical review letters

G A Fiorentini, D W Schmitz, P A Rodrigues, L Aliaga, O Altinok, B Baldin, A Baumbaugh, A Bodek, D Boehnlein, S Boyd, R Bradford, W K Brooks, H Budd, A Butkevich, D A Martinez Caicedo, C M Castromonte, M E Christy, H Chung, J Chvojka, M Clark, H da Motta, D S Damiani, I Danko, M Datta, M Day, R DeMaat, J Devan, E Draeger, S A Dytman, G A Díaz, B Eberly, D A Edmondson, J Felix, L Fields, T Fitzpatrick, A M Gago, H Gallagher, C A George, J A Gielata, C Gingu, B Gobbi, R Gran, N Grossman, J Hanson, D A Harris, J Heaton, A Higuera, I J Howley, K Hurtado, M Jerkins, T Kafka, J Kaisen, M O Kanter, C E Keppel, J Kilmer, M Kordosky, A H Krajeski, S A Kulagin, T Le, H Lee, A G Leister, G Locke, G Maggi, E Maher, S Manly, W A Mann, C M Marshall, K S McFarland, C L McGivern, A M McGowan, A Mislivec, J G Morfín, J Mousseau, D Naples, J K Nelson, G Niculescu, I Niculescu, N Ochoa, C D O'Connor, J Olsen, B Osmanov, J Osta, J L Palomino, V Paolone, J Park, C E Patrick, G N Perdue, C Peña, L Rakotondravohitra, R D Ransome, H Ray, L Ren, C Rude, K E Sassin, H Schellman, R M Schneider, E C Schulte, C Simon, F D Snider, M C Snyder, J T Sobczyk, C J Solano Salinas, N Tagg, W Tan, B G Tice, G Tzanakos, J P Velásquez, J Walding, T Walton, J Wolcott, B A Wolthuis, N Woodward, G Zavala, H B Zeng, D Zhang, L Y Zhu, B P Ziemer,

Affiliations

  1. Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil.

PMID: 23889389 DOI: 10.1103/PhysRevLett.111.022502

Abstract

We report a study of ν(μ) charged-current quasielastic events in the segmented scintillator inner tracker of the MINERvA experiment running in the NuMI neutrino beam at Fermilab. The events were selected by requiring a μ- and low calorimetric recoil energy separated from the interaction vertex. We measure the flux-averaged differential cross section, dσ/dQ², and study the low energy particle content of the final state. Deviations are found between the measured dσ/dQ² and the expectations of a model of independent nucleons in a relativistic Fermi gas. We also observe an excess of energy near the vertex consistent with multiple protons in the final state.

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