Antiproton-proton elastic scattering was measured at c.m.s. energies {}s =546 and 1800 GeV in the range of four-momentum transfer squared 0.025-t0.29 GeV². The data are well described by the exponential form eᵇᵗ with a slope b=15.28±{}0.58 (16.98±{}0.25) GeV^-2 at {}s =546 (1800) GeV. The elastic scattering cross sections are, respectively, σₑₗ=12.87±{}0.30 and 19.70±{}0.85 mb.
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Abe et al. (1994) studied this question.
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