Abstract
We report a study of νμ 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.
| Original language | English |
|---|---|
| Article number | 022502 |
| Journal | Physical Review Letters |
| Volume | 111 |
| Issue number | 2 |
| DOIs | |
| State | Published - 11 Jul 2013 |
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