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Pion--Pion Scattering Experiments at Low Energy
D. Pocanic
This work reviews the available experimental information on the pi-pi scattering lengths, especially the recent near-threshold pi N -> pi pi N data from several laboratories and th…
Measurements of R=sigma_L/sigma_T for 0.03<x<0.1 and Fit to World Data
E143 collaboration
Measurements were made at SLAC of the cross section for scattering 29 GeV electrons from carbon at a laboratory angle of 4.5 degrees, corresponding to 0.03<x<0.1 and 1.3<Q^2<2.7 Ge…
Measurements of the Proton and Deuteron Spin Structure Functions g1 and g2
E143 collaboration
Measurements are reported of the proton and deuteron spin structure functions g1 at beam energies of 29.1, 16.2, and 9.7 GeV and g2 at a beam energy of 29.1 GeV. The integrals of g…
Low Energy Experiments on pi-pi Scattering
D. Pocanic
General interest in a precise determination of the threshold pi-pi amplitudes has recently increased markedly due to a controversy regarding the size of <0|qbar q|0>, the scalar qu…