Dynamical parton distributions of the proton and small-x physics | Zendy

M. Glück | Zendy; E. Reya | Zendy; A. Vogt | Zendy

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Dynamical parton distributions of the proton and small-x physics

Author(s) -

M. Glück,

E. Reya,

A. Vogt

Publication year - 1995

Publication title -

zeitschrift für physik c

Language(s) - English

Resource type - Journals

eISSN - 1431-5858

pISSN - 0170-9739

DOI - 10.1007/bf01624586

Subject(s) - parton , physics , massless particle , factorization , particle physics , twist , scale (ratio) , valence (chemistry) , proton , statistical physics , nuclear physics , quantum chromodynamics , quantum mechanics , mathematics , geometry , algorithm

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 atx≳10−2 and a factorization scheme in which the heavy quarksc, b, ..., arenot entailed among the intrinsic (massless) parton distributions, we readjust our valencelike input and provide parametrizations of the slightly modified dynamical LO and NLO(MS,DIS) predictions for parton distributions

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