Dynamical parton distributions of the proton and small- x physics

Details Dynamical parton distributions of the proton and small- x physics Dynamical parton distributions of the proton and small- x physics

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995zphyc..67..433g&link_type=abstract

Zeitschrift für Physik C Particles and Fields, Volume 67, Issue 3, pp.433-447

Physics

571

Scientific paper

The perturbative properties of parton distributions generated radiatively from a valence-like input at some low resolution scale are discussed with the aim of explaining the physical aspects underlying the reliability of the predicted distributions in the small- x region. Aspects of higher-twist (shadowing) effects as well as small- x resummations are discussed. Utilizing recent improved data at x≳10-2 and a factorization scheme in which the heavy quarks c, b, ..., are not entailed among the intrinsic (massless) parton distributions, we readjust our valencelike input and provide parametrizations of the slightly modified dynamical LO and NLO(overline {MS} ,DIS) predictions for parton distributions.

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