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Comparison of spin asymmetries and cross sections in π production by 200 GeV polarized antiprotons and protons

Adams, DL; Corcorana, MD; Cranshaw, J; Nessi-Tedaldi, F; Nessi, M; Nguyen, C; ... Zanetti, A; + view all (1991) Comparison of spin asymmetries and cross sections in π production by 200 GeV polarized antiprotons and protons. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics , 261 (1-2) 201 - 206.

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Abstract

The single-spin asymmetry A(p̄p) for inclusive π production at 0.5<p<2 GeV/c by 200 GeV transversely-polarized anti-protons on protons has been measured at Fermilab over a wide range of x. We observe that A(p̄p) has the same sign, a similar x dependence, and about half the magnitude as A(pp) for π production by protons. We also present the ratio of the spin-averaged cross sections for π production by antiprotons and by protons.

Type:Article
Title:Comparison of spin asymmetries and cross sections in π production by 200 GeV polarized antiprotons and protons
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy

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