Structure functions from renormalization group improved small x evolution

Wanchen Li, Anna M. Staśto

Research output: Contribution to journalArticlepeer-review


We perform the fit to the structure function F2 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 F2 and its charm component F2c. 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.

Original languageEnglish (US)
Article number562
JournalEuropean Physical Journal C
Issue number6
StatePublished - Jun 2022

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)


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