Abstract
Evidence is presented for diffractive production of ρ-mesons and of ρπ-systems invp and\(\bar \nu p\) chargedcurrent interactions. In the (anti-)neutrino energy range 10 GeV<E v <60 GeV the cross sections for diffractive ρ and diffractive ρπ production are found to be (0.64±0.14 (stat.)±0.08 (syst.))% and (0.28±0.08 (stat.)±0.04 (syst.))% of the charged-current cross section. The diffractive ρπ signal is consistent with being entirely due to diffractivea 1 production. However, the data cannot distinguish between diffractivea 1 and diffractive nonresonant ρπ production. The experimental distributions ofW, Q 2,x Bj andy Bj for diffractive ρ and ρπ events are consistent with model predictions.
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Jones, G.T., Jones, R.W.L., Kennedy, B.W. et al. Diffractive production of ρ-mesons and of ρπ-systems by neutrinos and antineutrinos on protons. Z. Phys. C - Particles and Fields 58, 375–386 (1993). https://doi.org/10.1007/BF01557695
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DOI: https://doi.org/10.1007/BF01557695