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Colliding beams of 70% polarized protons at up to
GeV, with high luminosity, L = 2 × 1032
cm−2 sec−1, will represent a new and unique
laboratory for studying the proton. RHIC-Spin will be the first
polarized-proton collider and will be capable of copious production of jets,
directly produced photons, and W and Z bosons. Features will
include direct and precise measurements of the polarization of the gluons and
of
,
u, and d quarks in a polarized proton. Parity violation searches
for physics beyond the standard model will be competitive with unpolarized
searches at the Fermilab Tevatron. Transverse spin will explore transversity
for the first time, as well as quark-gluon correlations in the proton. Spin
dependence of the total cross section and in the Coulomb nuclear interference
region will be measured at collider energies for the first time. These
qualitatively new measurements can be expected to deepen our understanding of
the structure of matter and of the strong interaction.
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