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Measurement of asymmetries in inclusive proton--proton scattering. [6 and 11. 8 GeV/c, baryon-exchange models]

Conference · · AIP (Am. Inst. Phys.) Conf. Proc.; (United States)
OSTI ID:7310442
The polarized proton beam at the Argonne ZGS was used to measure left-right asymmetries in the processes p up arrow + p ..-->.. ..pi../sup + -/, p, K/sup + -/, d + X at p/sub 0/ = 6 and 11.8 GeV/c and x identical with p*/sub l//p*/sub max/ = 0.1 to 0.9. For both pion charges, the asymmetries show considerable but different structure in u, the square of the four-momentum transfer between the incident proton and the outgoing pion. The data suggest that pions produced at large x in pp collisions result from a baryon exchange process. The asymmetries for inelastic proton scattering are about an order of magnitude smaller than those for pion production. The kaon asymmetries show indications of being sizeable but structureless.
Research Organization:
Rice Univ., Houston, TX
OSTI ID:
7310442
Conference Information:
Journal Name: AIP (Am. Inst. Phys.) Conf. Proc.; (United States) Journal Volume: 12
Country of Publication:
United States
Language:
English