Future of low-x forward physics at RHIC

Comparisons of particle production from high-energy ion collisions with next-to-leading order perturbative QCD calculations show good agreement down to moderate transverse momentum values. Distributions of azimuthal angle differences between coincident hadrons in these collisions support a partonic...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2005-08, Vol.43 (1-4), p.427-435
Main Authors: Bland, L. C., Bieser, F., Brown, R. L., Crawford, H. J., Derevshchikov, A. A., Drachenberg, J. L., Engelage, J., Eun, L., Gagliardi, C. A., Heppelmann, S., Judd, E. G., Kravtsov, V. I., Matulenko, Yu A., Meschanin, A. P., Morozov, D. A., Nogach, L. V., Nurushev, S. B., Ogawa, A., Perkins, C., Rakness, G., Shestermanov, K. E., Vasiliev, A. N.
Format: Article
Language:English
Subjects:
Atomic collisions
azimuthal angle
Distribution functions
elementary particle
Hadrons
particle acceleration
Particle production
parton distribution
Partons
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum chromodynamics
Relativistic Heavy Ion Collider
Transverse momentum
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Summary:Comparisons of particle production from high-energy ion collisions with next-to-leading order perturbative QCD calculations show good agreement down to moderate transverse momentum values. Distributions of azimuthal angle differences between coincident hadrons in these collisions support a partonic origin to the particle production, again down to moderate transverse momentum values. The rapidity dependence of inclusive and coincident particle production can therefore be used to probe parton distribution functions down to small momentum fractions where theory anticipates that parton saturation could be present. This paper describes how such experiments could be completed.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s2005-02334-6