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Structure functions from renormalization group improved small x evolution
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DOI：10.1140/epjc/s10052-022-10523-6.png)
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摘要
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We perform the fit to the structure function F-2 data from HERA including terms due to the resummation at small x. The equation for the unintegrated gluon density is solved, previously established within the renormalization group improved small x framework. We find very good description of the structure function F-2 and its charm component F-2(c). The resulting unintegrated gluon density is found to be consistent with the calculations based on similar approaches available in the literature, with only slightly higher intercept value.
Keyword:
GLUON DISTRIBUTION-FUNCTIONS
DEEP-INELASTIC-SCATTERING
EP SCATTERING
POMERANCHUK SINGULARITY
PERTURBATION-THEORY
BFKL EQUATION
BARE POMERON
RESUMMATION
PROTON
FACTORIZATION
期刊
IF:
4.8
论文数:
1.8W
被引数:
4.7W
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