Extracting the Gluon Piece of the Spin Puzzle: New Inclusive Jet Results from STAR

Details Extracting the Gluon Piece of the Spin Puzzle: New Inclusive Jet Results from STAR Extracting the Gluon Piece of the Spin Puzzle: New Inclusive Jet Results from STAR

2007-10-17

arxiv.org/abs/0710.3207v1

Phys. Rev. Lett. 100, 232003 (2008)

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 2 figures, 1 support file

Scientific paper

This contribution presents the most recent mid-rapidity inclusive jet results from 3 pb^-1 of data collected from longitudinally polarized proton collisions at sqrt(s)=200 GeV during the 2005 RHIC run. The inclusive jet asymmetry, a_LL, with it's increased transverse momentum range and precision, provides strong constraints on the gluon helicity distribution when compared with existing next-to-leading order perturbative QCD evaluations.

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