hoppetv2 release note

Alexander Karlberg; Paolo Nason; Gavin Salam; Giulia Zanderighi; Frédéric Dreyer

doi:10.1140/epjc/s10052-025-15200-y

hoppetv2 release note

Alexander Karlberg
, Paolo Nason
, Gavin Salam
, Giulia Zanderighi
, Frédéric Dreyer

Chair of Particle Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We document the three main new features in the v2 release series of the hoppet parton distribution function evolution code, specifically support for N3LO QCD evolution in the variable flavour number scheme, for the determination of hadronic structure functions for massless quarks up to N3LO, and for QED evolution to an accuracy phenomenologically equivalent to NNLO QCD. Additionally we describe a new Python interface, CMake build option, functionality to save a hoppet table as an LHAPDF grid and update our performance benchmarks, including optimisations in interpolating PDF tables.

Original language	English
Article number	157
Journal	European Physical Journal C
Volume	86
Issue number	2
DOIs	https://doi.org/10.1140/epjc/s10052-025-15200-y
State	Published - Feb 2026

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JO - European Physical Journal C

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hoppetv2 release note

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