Work

EKO: evolution kernel operators

Year: 2022

Type: article

Abstract: We present a new QCD evolution library for unpolarized parton distribution functions: . The program solves DGLAP equations up to next-to-next-to-leading order. The unique feature of is the computation of solution operators, which are independent of the boundary condition, can be stored and quickly applied to evolve several initial PDFs. The approach combines the power of N-space solutions with the flexibility of a x-space delivery, that allows for an easy interface with existing codes. The code is fully open source and written in Python, with a modular structure in order to facilitate usage, readability and possible extensions. We provide a set of benchmarks with similar available tools, finding good agreement.

Source: The European Physical Journal C

DOI: 10.1140/epjc/s10052-022-10878-w

Authors: Alessandro Candido, Felix Hekhorn, Giacomo Magni

Institutions: University of Milan, Istituto Nazionale di Fisica Nucleare, Sezione di Milano, National Institute for Subatomic Physics, Vrije Universiteit Amsterdam

Language: English

Topic: Quantum Chromodynamics and Particle Interactions

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: diamond

Funders: National Niemann-Pick Disease Foundation, European Commission, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, H2020 European Research Council

Awards: Proton strucure for discovery at the Large Hadron Collider, G2699834190, G434337789