Linear vs. non-linear QCD evolution: from HERA data to LHC phenomenology - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles European Physical Journal C: Particles and Fields Year : 2012

Linear vs. non-linear QCD evolution: from HERA data to LHC phenomenology

Abstract

The very precise combined HERA data provides a testing ground in which the relevance of novel QCD regimes, other than the successful linear DGLAP evolution, in small-x inclusive DIS data can be ascertained. We present a study of the dependence of the AAMQS fits, based on the running coupling BK non-linear evolution equations (rcBK), on the fitted dataset. This allows for the identification of the kinematical region where rcBK accurately describes the data, and thus for the determination of its applicability boundary. We compare the rcBK results with NNLO DGLAP fits, obtained with the NNPDF methodology with analogous kinematical cuts. Further, we explore the impact on LHC phenomenology of applying stringent kinematical cuts to the low-x HERA data in a DGLAP fit.

Dates and versions

in2p3-00740426 , version 1 (10-10-2012)

Identifiers

Cite

J. L. Albacete, J. G. Milhano, P. Quiroga-Arias, J. Rojo. Linear vs. non-linear QCD evolution: from HERA data to LHC phenomenology. European Physical Journal C: Particles and Fields, 2012, 72 (9), pp.2131. ⟨10.1140/epjc/s10052-012-2131-x⟩. ⟨in2p3-00740426⟩
51 View
0 Download

Altmetric

Share

Gmail Facebook X LinkedIn More