# High Energy Physics

**URL:** https://discourse.julialang.org/c/domain/high-energy-physics/61.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

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## [About the High Energy Physics category](https://discourse.julialang.org/t/about-the-high-energy-physics-category/69015)

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**Author:** [@mbauman](https://discourse.julialang.org/u/mbauman)\
**Replies:** 0

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Discussion about use of Julia in High energy and nuclear physics. Related git organization: https://github.com/JuliaHEP Please include the “hep” tag when creating a topic.

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## [QCD paper using Julia](https://discourse.julialang.org/t/qcd-paper-using-julia/137620)

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**Author:** [@LeePhillips](https://discourse.julialang.org/u/LeePhillips)\
**Replies:** 0\
**Last updated:** [June 14, 2026, 3:25pm UTC](https://discourse.julialang.org/t/qcd-paper-using-julia/137620 "2026-06-14T15:25:23Z")

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“Numerical Hints for Dyon Condensation at θ=2π via Wilson-'t Hooft Loops in SU(2) Yang-Mills Theory” For those collecting science papers using Julia (or who have an interest in HEP theory). Uses the JuliaQCD package.

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## [New ROOT.jl release, v0.4.0](https://discourse.julialang.org/t/new-root-jl-release-v0-4-0/135036)

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**Author:** [@grasph](https://discourse.julialang.org/u/grasph)\
**Replies:** 0\
**Last updated:** [January 13, 2026, 8:48pm UTC](https://discourse.julialang.org/t/new-root-jl-release-v0-4-0/135036 "2026-01-13T20:48:26Z")

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Dear all, Version 0.4.0 of ROOT.jl, presented at the ROOT users’ workshop was released Today in the General registry. This version, originally planned for November and delayed due to an issue when using Julia 1.12 prev…

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## [How to setup Julia properly on Lxplus so that Julia Extension in VS Code works](https://discourse.julialang.org/t/how-to-setup-julia-properly-on-lxplus-so-that-julia-extension-in-vs-code-works/134254)

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**Author:** [@Aditya747S](https://discourse.julialang.org/u/Aditya747S)\
**Replies:** 4\
**Last updated:** [December 9, 2025, 1:11pm UTC](https://discourse.julialang.org/t/how-to-setup-julia-properly-on-lxplus-so-that-julia-extension-in-vs-code-works/134254 "2025-12-09T13:11:30Z")

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I have recently started using julia in lxplus and was wondering how to properly set it up. For example, is there a way to use the julia extension in lxplus, in order to run my julia files I currently have to give command…

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## [New ROOT.jl release, v0.3.3](https://discourse.julialang.org/t/new-root-jl-release-v0-3-3/130409)

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**Author:** [@grasph](https://discourse.julialang.org/u/grasph)\
**Replies:** 3\
**Last updated:** [July 4, 2025, 12:34pm UTC](https://discourse.julialang.org/t/new-root-jl-release-v0-3-3/130409 "2025-07-04T12:34:35Z")

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Hello, I am glad to announce you the first ROOT.jl release that uses the Julia package manager to automatically install the ROOT binaries (aka \_jll package). The release includes now by default the full set of ROOT cla…

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## [Julia for HEP now available via CVMFS](https://discourse.julialang.org/t/julia-for-hep-now-available-via-cvmfs/129737)

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**Author:** [@oschulz](https://discourse.julialang.org/u/oschulz)\
**Replies:** 5\
**Last updated:** [June 9, 2025, 11:48am UTC](https://discourse.julialang.org/t/julia-for-hep-now-available-via-cvmfs/129737 "2025-06-09T11:48:56Z")

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I’m happy to announce that we now have a HEP (particle physics) Julia distribution available via CVMFS (thanks for all the friendly help here!). Two container images registry.cern.ch/juliahep/juliahep-core:latest: A …

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## [Problem reading ROOT branch containing Strings with UnROOT.jl](https://discourse.julialang.org/t/problem-reading-root-branch-containing-strings-with-unroot-jl/115671)

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**Author:** [@GSavvidis](https://discourse.julialang.org/u/GSavvidis)\
**Replies:** 7\
**Last updated:** [June 18, 2024, 7:19am UTC](https://discourse.julialang.org/t/problem-reading-root-branch-containing-strings-with-unroot-jl/115671 "2024-06-18T07:19:47Z")

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Hello, I’m using Geant4 to simulate some decays and I’m saving the result in a root file which I then read with UnROOT.jl. I have the following code: using DrWatson quickactivate(@\_\_DIR\_\_) using UnROOT f = UnROOT.ROO…

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## [Reading ROOT file with Branches](https://discourse.julialang.org/t/reading-root-file-with-branches/112014)

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**Author:** [@Fourier](https://discourse.julialang.org/u/Fourier)\
**Replies:** 3\
**Last updated:** [March 23, 2024, 8:27pm UTC](https://discourse.julialang.org/t/reading-root-file-with-branches/112014 "2024-03-23T20:27:16Z")

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I have a root file with a tree, branches and leaves, like this: When I try to read it like using UnROOT like this: using UnROOT f = ROOTFile("out\_files/pienu00000-00.root") tree = LazyTree(f,"sim") I get a bounds …

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## [Progress in End-to-End Optimization of Detectors for Fundamental Physics with Differentiable Programming](https://discourse.julialang.org/t/progress-in-end-to-end-optimization-of-detectors-for-fundamental-physics-with-differentiable-programming/111024)

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**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 0\
**Last updated:** [March 1, 2024, 4:41pm UTC](https://discourse.julialang.org/t/progress-in-end-to-end-optimization-of-detectors-for-fundamental-physics-with-differentiable-programming/111024 "2024-03-01T16:41:42Z")

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This looks to be a very interesting paper https://lss.fnal.gov/archive/2023/pub/fermilab-pub-23-608-csaid-ppd.pdf In this article we examine recent developments in the research area concerning the creation of end-to-e…

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## [Writing ROOT Tree from Julia](https://discourse.julialang.org/t/writing-root-tree-from-julia/110902)

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**Author:** [@grasph](https://discourse.julialang.org/u/grasph)\
**Replies:** 0\
**Last updated:** [February 28, 2024, 2:27pm UTC](https://discourse.julialang.org/t/writing-root-tree-from-julia/110902 "2024-02-28T14:27:41Z")

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Hello, At the JuliaHEP workshop of last November the need for ROOT Tree write support in Julia using a binding to ROOT libraries was identified. TTree writing from Julia is now possible ! The ROOT wrapper example ship…

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## [Paper on Julia portiential for HEP](https://discourse.julialang.org/t/paper-on-julia-portiential-for-hep/99994)

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**Author:** [@grasph](https://discourse.julialang.org/u/grasph)\
**Replies:** 0\
**Last updated:** [June 7, 2023, 9:36am UTC](https://discourse.julialang.org/t/paper-on-julia-portiential-for-hep/99994 "2023-06-07T09:36:14Z")

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Please note, this announcement on the release of the preprint of an important paper: Julia potential for high energy physics computing. Questions and follow-up can be done here.

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## [Flux: trainmode!() and testmode!() needed?](https://discourse.julialang.org/t/flux-trainmode-and-testmode-needed/94155)

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**Author:** [@wsshin](https://discourse.julialang.org/u/wsshin)\
**Replies:** 3\
**Last updated:** [March 20, 2023, 9:16pm UTC](https://discourse.julialang.org/t/flux-trainmode-and-testmode-needed/94155 "2023-03-20T21:16:52Z")

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I started using Flux recently, and I am wondering when Flux.trainmode!() and Flux.testmode!() need to be called. Am I correct that these functions do not need to be called explicitly during normal training and testing, …

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## [Julia @ IN2P3-FR Computing center (CCINP3)](https://discourse.julialang.org/t/julia-in2p3-fr-computing-center-ccinp3/90813)

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**Author:** [@grasph](https://discourse.julialang.org/u/grasph)\
**Replies:** 13\
**Last updated:** [November 30, 2022, 12:38pm UTC](https://discourse.julialang.org/t/julia-in2p3-fr-computing-center-ccinp3/90813 "2022-11-30T12:38:40Z")

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Hello, We are working on setting up a Julia environment at the French IN2P3 computing center. Note: These resources are available to HEP physicists from French institutes with an account at the center. What is availa…

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## [From notebook to structured project in Julia](https://discourse.julialang.org/t/from-notebook-to-structured-project-in-julia/69200)

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**Author:** [@misha\_mikhasenko](https://discourse.julialang.org/u/misha_mikhasenko)\
**Replies:** 1\
**Last updated:** [October 5, 2021, 6:42am UTC](https://discourse.julialang.org/t/from-notebook-to-structured-project-in-julia/69200 "2021-10-05T06:42:13Z")

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Last week I was talking to students about a workflow for moving code from a notebook to a structured project with src/ , scripts/ , … using an example resonance-pole analysis. Just in case someone is interested, here is…