Elsevier

Physics Letters B

Volume 77, Issues 4–5, 28 August 1978, Pages 438-442
Physics Letters B

Measurements of πp elastic scattering in the coulomb interference region at high energies

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Abstract

The differential cross section has been measured at 30, 50, 80, 100, 120 and 140 GeV/c for 0.002 < |t| < 0.04 (GeV/c)2. The results show that the πp real part goes from negative to positive values below 80 GeV/c. The slope parameter in the t-region measured is significantly higher than what has been found −t = 0.2 (GeV/c)2.

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