From this comparison, we see that the effects of small- x resummation are likely to be significant only for the W and Z Drell–Yan data, where they could be as large as up to ∼ 5 % for ATLAS and CMS, and up to ∼ 8 % for the forward LHCb measurements, while they are most likely negligible for all other collider processes, such as jets, the Z p T , and top-quark pair production.
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Parton distributions with small-<i>x</i> resummation: evidence for BFKL dynamics in HERA data.
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