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Diffractive production of rho mesons and of rho pi systems by neutrinos and anti-neutrinos on protons

The WA21 collaboration Jones, G.T. ; Jones, R.W.L. ; Kennedy, B.W. ; et al.
Z.Phys.C 58 (1993) 375-386, 1993.
Inspire Record 363176 DOI 10.17182/hepdata.14426

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<Ev<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 diffractivea1 production. However, the data cannot distinguish between diffractivea1 and diffractive nonresonant ρπ production. The experimental distributions ofW, Q2,xBj andyBj for diffractive ρ and ρπ events are consistent with model predictions.

4 data tables
Table 1

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Table 2

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Production of Charmed Hadrons in Neutrino Proton and Anti-neutrino Proton Charged Current Interactions

The Birmingham-CERN-London-Munich-Oxford-London & WA21 collaborations Jones, G.T. ; Jones, R.W.L. ; Geiser, A. ; et al.
Z.Phys.C 36 (1987) 593, 1987.
Inspire Record 248865 DOI 10.17182/hepdata.41702

Usind data from avp and\(\bar v\)p experiment with BEBC at CERN, the rates for inclusive production ofD*+,Λc+ andD0 invp scattering and ofD*− in\(\bar v\)p scattering are measured. Some examples of the exclusive production ofD*+,Λc+ and∑c++ are given. The cross section for the reactionvp→μ−c++ is estimated.

4 data tables
Table 1

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Table 2

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Table 3

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