Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-11-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
21 pages, 18 figures
Scientific paper
We present a comprehensive phenomenological study of heavy flavor distributions and correlations in longitudinally polarized proton-proton collisions at BNL-RHIC. All results are obtained with a flexible parton-level Monte Carlo program at next-to-leading order accuracy and include the fragmentation into heavy mesons, their subsequent semi-leptonic decays, and experimental cuts. Next-to-leading order QCD corrections are found to be significant for both cross sections and double-spin asymmetries. The sensitivity of heavy flavor measurements at BNL-RHIC to the gluon polarization of the nucleon is assessed. Electron-muon and muon-muon correlations turn out to be the most promising observables. Theoretical uncertainties are estimated by varying renormalization and factorization scales, heavy quark masses, and fragmentation parameters.
Riedl Johann
Sch{ä}fer Andreas
Stratmann Marco
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