Proton proton spin correlations at charm threshold and quarkonium bound to nuclei
Jul, 1997
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Abstract:
The anomalous behavior of the spin-spin correlation at large momentum transfer in pp elastic scattering is described in terms of the degrees of freedom associated with the onset of the charm threshold. A non-perturbative analysis based on the symmetries of QCD is used to extract the relevant dynamics of the charmonium-proton interaction. The enhancement to pp amplitudes and their phase follow from analyticity and unitarity, giving a plausible explanation of the spin anomaly. The interaction between charmonium and light quarks in nuclei may form a distinct kind of nuclear matter, nuclear bound quarkonium.Note:
- 11 pages, Latex, 1 Postscript figure; introductory paragraphs modified, new paragraph included, new references added
- p p: elastic scattering
- p: polarized beam
- p: polarized target
- momentum transfer: high
- spin: correlation
- polarization: asymmetry
- quark: charm
- threshold
- scattering: quarkonium p
- quantum chromodynamics: low-energy theorem
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