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Measurement of K+ production in charged-current nu(mu) interactions
Marshall, C. M. Bercellie, A. Bodek, A. Aliaga, L. Devan, J. Kordosky, M. Nelson, J. K. Norrick, A. Zhang, D.
Marshall, C. M.
Bercellie, A.
Bodek, A.
Aliaga, L.
Devan, J.
Kordosky, M.
Nelson, J. K.
Norrick, A.
Zhang, D.
Abstract
Production of K+ mesons in charged-current nu(mu) interactions on plastic scintillator (CH) is measured using MINERvA exposed to the low-energy NuMI beam at Fermilab. Timing information is used to isolate a sample of 885 charged-current events containing a stopping K+ which decays at rest. The differential cross section in K+ kinetic energy, d sigma/dT(K), is observed to be relatively flat between 0 and 500 MeV. Its shape is in good agreement with the prediction by the GENIE neutrino event generator when final-state interactions are included, however the data rate is lower than the prediction by 15%.
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2016-01-01
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measurement_of_K_.pdf
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Physics
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https://doi.org/10.1103/PhysRevD.94.012002