High-density QCD and saturation of nuclear partons View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2003-11

AUTHORS

I. P. Ivanov, N. N. Nikolaev, W. Schäfer, B. G. Zakharov, V. R. Zoller

ABSTRACT

.We review the recent finding of the two-plateau momentum distribution of sea quarks in deep inelastic scattering off nuclei in the saturation regime. The diffractive plateau which dominates for small p measures precisely the momentum distribution of quarks in the beam photon, the rôle of the nucleus is simply to provide an opacity. The plateau for truly inelastic DIS exhibits a substantial nuclear broadening of the momentum distribution. Despite this nuclear broadening, the observed final-state and initial-state sea quark densities do coincide exactly. We emphasize how the saturated sea is generated from the nuclear-diluted Weizsäcker-Williams because of the anti-collinear splitting of gluons into sea quarks. More... »

PAGES

437-440

Identifiers

URI

http://scigraph.springernature.com/pub.10.1140/epja/i2002-10254-x

DOI

http://dx.doi.org/10.1140/epja/i2002-10254-x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1048715985


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