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Hard collisions of spinning protons: Past, present and future


There will be a review of the history of polarized proton beams, and a discussion of the unexpected and still unexplained large transverse spin effects found in several high-energy proton-proton spin experiments at the ZGS, AGS and Fermilab. Next, there will be a discussion of present and possible future experiments on the violent elastic collisions of polarized protons at IHEP-Protvino's 70GeV U-70 accelerator in Russia and the new high-intensity 50GeV J-PARC facility being built at Tokai in Japan.

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Krisch, A.D. Hard collisions of spinning protons: Past, present and future. Eur. Phys. J. A 31, 417–423 (2007).

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  • 13.88.+e Polarization in interactions and scattering
  • 13.85.Dz Elastic scattering
  • 41.75.Ak Positive-ion beams