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PROMPT PHOTON PRODUCTION IN POLARIZED HADRON COLLISIONS.

PROMPT PHOTON PRODUCTION IN POLARIZED HADRON COLLISIONS.
Author:
Publisher:
Total Pages: 3
Release: 2000
Genre:
ISBN:

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We consider spin asymmetries for prompt photon production in collisions of longitudinally polarized hadrons. This reaction will be a key tool at the BNL-RHIC {rvec p}{rvec p} collider for determining the gluon spin density in a polarized proton. We study the effects of QCD corrections, such as all-order soft-gluon ''threshold'' resummations.


Deep Inelastic Scattering - Proceedings Of The 8th International Workshop

Deep Inelastic Scattering - Proceedings Of The 8th International Workshop
Author: John A Gracey
Publisher: World Scientific
Total Pages: 774
Release: 2001-02-22
Genre:
ISBN: 9814542717

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This volume focusses on four main topics: structure functions, tests of quantum chromodynamics, physics at the highest Q2 and p2T, and high energy scattering and diffraction. Comprehensive review articles on hadronic and photon structure, lepton-parton and parton-parton physics as well as future experimental opportunities are presented, together with a special lecture on HERA's legacy after the first decade of operation.


Polarized and Unpolarized Double Prommpt Photon Production in Next-to-leading Order QCD.

Polarized and Unpolarized Double Prommpt Photon Production in Next-to-leading Order QCD.
Author:
Publisher:
Total Pages:
Release: 2001
Genre:
ISBN:

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We calculate O([alpha][sub s]) corrections to inclusive and isolated double prompt photon production, both for the unpolarized case, and for longitudinal polarization of the incoming hadrons. The calculation is performed using purely analytical techniques for the inclusive case, and a combination of analytical and Monte Carlo techniques to perform the phase space integration in the isolated case. A brief phenomenological study is made of the process pp[r-arrow][gamma][gamma]X at CMS energies appropriate for the RHIC heavy ion collider. 21 refs., 8 figs.


Rapidity Correlations and [Delta]G from Prompt Photon Plus Jet Production in Polarized Pp Collisions

Rapidity Correlations and [Delta]G from Prompt Photon Plus Jet Production in Polarized Pp Collisions
Author:
Publisher:
Total Pages: 27
Release: 1997
Genre:
ISBN:

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A study of prompt photon plus associated jet production is performed at next-to-leading order (O([alpha][alpha]{sub s}2)) in QCD at √S = 200--500 GeV, appropriate for the RHIC polarized {rvec p}{rvec p} collider experiment. Momentum correlations between the jet and photon are examined and the utility of the process as a method for constraining the size and shape of the polarized gluon density of the proton [Delta]G is examined.


Rapidity Correlations And?G from Prompt Photon Plus Jet Production in Polarized Pp Collisions

Rapidity Correlations And?G from Prompt Photon Plus Jet Production in Polarized Pp Collisions
Author:
Publisher:
Total Pages:
Release: 1997
Genre:
ISBN:

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A study of prompt photon plus associated jet production is performed at next-to-leading order (O(??{sub s}2)) in QCD at √S=200--500 GeV, appropriate for the RHIC polarized {rvec p}{rvec p} collider experiment. Momentum correlations between the jet and photon are examined and the utility of the process as a method for constraining the size and shape of the polarized gluon density of the proton?G is examined.