QCD CORRECTIONS TO DILEPTON PRODUCTION NEAR PARTONIC THRESHOLD IN PP SCATTERING.

Conference · Sun Oct 02 00:00:00 EDT 2005

OSTI ID:876634

SHIMIZU, H; STERMAN, G; VOGELSANG, W; YOKOYA, H

We present a recent study of the QCD corrections to dilepton production near partonic threshold in transversely polarized {bar p}p scattering, We analyze the role of the higher-order perturbative QCD corrections in terms of the available fixed-order contributions as well as of all-order soft-gluon resummations for the kinematical regime of proposed experiments at GSI-FAIR. We find that perturbative corrections are large for both unpolarized and polarized cross sections, but that the spin asymmetries are stable. The role of the far infrared region of the momentum integral in the resummed exponent and the effect of the NNLL resummation are briefly discussed.

• Research Organization: Brookhaven National Lab. (BNL), Upton, NY (United States)
• Sponsoring Organization: DOE/SC AND RIKEN
• DOE Contract Number: DE-AC02-98CH10886
• OSTI ID: 876634
• Report Number(s): BNL-75415-2006-CP; R&D Project: PO-3; KB-020-01; TRN: US200606%%593
• Resource Relation: Conference: 7TH INTERNATIONAL SYMPOSIUM ON RADIATIVE CORRECTIONS (RADCOR 2005); SHONAN VILLAGE, JAPAN; 20051002 through 20051007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CROSS SECTIONS
PRODUCTION
QUANTUM CHROMODYNAMICS
RADIATIVE CORRECTIONS
SCATTERING
SPIN