Khanpour, Hamzeh and Goharipour, Muhammad and Guzey, Vadim (2018) Effects of next-to-leading order DGLAP evolution on generalized parton distributions of the proton and deeply virtual Compton scattering at high energy. European Physical Journal C: Particles and Fields, 78 (7). ISSN 1434-6044

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Abstract

We studied the effects of NLO Q2 evolution of generalized parton distributions (GPDs) using the aligned-jet model for the singlet quark and gluon GPDs at an initial evolution scale. We found that the skewness ratio for quarks is a slow logarithmic function of Q2, reaching rS=1.5−2 at Q2=100 GeV2 and rg≈1 for gluons in a wide range of Q2. Using the resulting GPDs, we calculated the DVCS cross section on the proton in NLO pQCD and found that this model in conjunction with modern parameterizations of proton PDFs (CJ15 and CT14) provides a good description of the available H1 and ZEUS data in a wide kinematic range.

Item Type:	Article
Additional Information:	This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3. Cite as: Khanpour, H., Goharipour, M. & Guzey, V. Effects of next-to-leading order DGLAP evolution on generalized parton distributions of the proton and deeply virtual Compton scattering at high energy. Eur. Phys. J. C 78, 7 (2018). https://doi.org/10.1140/epjc/s10052-017-5490-5
Keywords:	next-to-leading order DGLAP evolution; generalized parton distributions; proton and deeply virtual Compton scattering; high energy;
Academic Unit:	Faculty of Science and Engineering > Theoretical Physics
Item ID:	14776
Identification Number:	https://doi.org/10.1140/epjc/s10052-017-5490-5
Depositing User:	Hamzeh Khanpour
Date Deposited:	14 Sep 2021 14:52
Journal or Publication Title:	European Physical Journal C: Particles and Fields
Publisher:	Springer Verlag
Refereed:	Yes
Funders:	School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), University of Science and Technology of Mazandaran
URI:	Publisher
Use Licence:	This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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