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Showing 1 to 8 of 8 for “"high energy photoproduction"”.
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High energy photoproduction of rho and phi vector mesons
We have studied the photoproduction of p and phi vector mesons from hydrogen in the Fermilab broad band neutral beam. Forward going two particle final states were detected in a multiparticle spectrometer consistIng of two analyzing magnets, a multiwire-proportional-chamber tracking system and a …
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High-Energy Photoproduction of the Rho and Rho' Vector Mesons
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High energy photoproduction of the p and p' vector mesons
… 41T=is dominated by the p'(1500). We measure the energy dependence of p photoproduction from Be and see no evidence for energy variation of the forward cross section in the range 30 to 160 GeV. The forward cross section is consistent with its average value dT / dt ~= 3.42=0.28 ub/GeV2 over the …
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Production of K+K - and ppbar pairs in high energy photoproduction
… we make precise measurements of the elastic phi photoproduction cross section between 35 GeV and 85 GeV. Between these limits, we see the elastic cross section rise by 25%. At K+K-masses higher than the phi, we see an enhancement centered at 1.72 ± .02 GeV, with a width of .12 ± .05 GeV. We …
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Production of Positive Kaon Negative Kaon and Ppbar Pairs in High Energy Photoproduction (phi-Prime)
Using the Fermilab broad-band neutral beam and a multi-particle spectrometer, we have investigated the channels: (UNFORMATTED TABLE FOLLOWS)
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Amplitude Analyses of the D meson(+),Dmeson(+)(s) Going to Kaon(-)kaon(+)pion(+) and D Meson(0) Going to Kaon(o)(s)kaon(+)kaon(-) Final States
… using the data collected by the Fermilab high energy photoproduction experiment E831(FOCUS), during 96--97. Our data are fit to a model consisting of a sum of Breit-Wigner amplitudes for the intermediate two-body resonant decay modes. We extract decay fractions and relative phases. The KsK …
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Nonleptonic decays of charm mesons
… presented using data collected by the Fermilab high energy photoproduction experiment E687. Our data are fit to a model consisting of a sum of constant and Breit-Wigner amplitudes for the intermediate three-body nonresonant and two-body resonant decay modes. We extract decay fractions and …
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Inclusive and Exclusive Compton Processes in Quantum Chromodynamics
… example of an inclusive process, we consider the high-energy photoproduction of massive muon pairs off the nucleon. We analyze the process in the framework of the QCD parton model, in which the usual parton distributions emerge as a tool to describe the nucleon in terms of quark and gluonic …