Generalized parton distributions for large x
نویسندگان
چکیده
منابع مشابه
Large-N Summation of Chiral Logs for Generalized Parton Distributions
We demonstrate that in the region of Bjorken xBj ∼ m 2 π/(4πFπ) 2 and/or xBj ∼ |t|/(4πFπ) 2 the standard χPT for the pion GPDs fails and one must perform all order resummation of χPT. We perform such resummation in the large-N limit of the O(N + 1) extension of the chiral theory. Explicit resummation allows us to reveal novel phenomena – the form of the leading chiral correction to pion PDFs an...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2004
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2004.05.070