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EERAD3 version 2: QCD corrections in hadronic colour-singlet decays

by Benjamin Campillo Aveleira, Aude Gehrmann-De Ridder, Thomas Gehrmann, Nigel Glover, Gudrun Heinrich, Christian T. Preuss

Submission summary

Authors (as registered SciPost users): Gudrun Heinrich · Christian Tobias Preuss
Submission information
Preprint Link: https://arxiv.org/abs/2503.20610v1  (pdf)
Code repository: https://gitlab.com/eerad-team/releases
Code version: v2.0.0
Code license: GPL v3
Date submitted: April 14, 2025, 8:21 a.m.
Submitted by: Preuss, Christian Tobias
Submitted to: SciPost Physics Codebases
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Phenomenology
Approaches: Theoretical, Computational, Phenomenological

Abstract

We present a major update of the publicly available EERAD3 package to calculate perturbative corrections in the strong coupling in hadronic Higgs and Z-boson decays. We describe the theoretical framework underlying the numerical implementation and provide a guide to the usage of the program.

Current status:
Awaiting resubmission

Reports on this Submission

Report #2 by Anonymous (Referee 2) on 2025-6-25 (Invited Report)

Report

The paper documents an upgrade to eerad3, a fortran program for the evaluation of higher-order QCD corrections to event shapes and differential distribution in Higgs-boson decay, and $e^+e^-$ annihilation through a Z-boson or an off-shell photon. The software is able to provide predictions up to next-to-next-to-leading order in perturbation theory for final states of three jets. It has been used in the past for a multitude of analyses, and is a recognised tool for this type of problems. The upgrade includes technical advances and an improved interface. The usage of the software is well documented in the text. The code will remain value in the future.

Recommendation

Publish (easily meets expectations and criteria for this Journal; among top 50%)

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Report #1 by Anonymous (Referee 1) on 2025-6-9 (Invited Report)

Report

The manuscript documents version 2 of the program EERAD3, which can be
used to calculate observables related to $\gamma^\at/Z \rightarrow \mbox{jets}$
at NNLO and Higgs decays to jets at NLO.
The manuscript is very well structured and helps the user to run the program
EERAD3.
After a minor revision, I would recommend the manuscript for publication in SciPost Physics Codebases.

Requested changes

  1. It might be worth adding a short paragraph, describing exactly the changes with respect to version 1. The information given at the end of section 1 does not seem to be inline with the information given at the end of section 6.

  2. In the caption of table 1 one might define the abbreviation "HTL", which probably stands for heavy top loop.

Recommendation

Ask for minor revision

  • validity: -
  • significance: -
  • originality: -
  • clarity: -
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