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Add MCnet project, UGlasgow org, and LHAPDF proposal (#1329)
* Add MCnet and LHAPDF project * Add to mentors, fix a (?) typo
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‎_gsocorgs/2023/uglasgow.md‎

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---
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title: "University of Glasgow"
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author: "Andy Buckley"
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layout: default
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organization: UofGlasgow
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logo: UGlasgow-logo.png
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description: |
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The [University of Glasgow](https://www.gla.ac.uk/) is a leading UK research university based in Scotland's largest city. We work on [particle physics experiments](https://www.gla.ac.uk/schools/physics/research/groups/particlephysicsexperiment/) from the LHC to neutrinos, particle theory from interpretations of Higgs and top-quark measurements to the strong force, and high-performance distributed computing.
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---
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{% include gsoc_proposal.ext %}

‎_gsocprojects/2023/project_MCnet.md‎

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---
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project: MCnet
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title: MCnet
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layout: default
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logo: mcnet-logo.png
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description: |
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[MCnet](http://montecarlonet.org) is a collaboration between the developers of
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the major collision-event modelling tools used at the [Large Hadron
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Collider](http://home.web.cern.ch/topics/large-hadron-collider) (LHC) and
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beyond. These codes are so-called "MC event generators", theoretical physics
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packages that perform quantum mechanics calculations and create simulated
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particle collisions. MC generators are an essential component
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of both modern particle physics experiments and theory, and provide a crucial
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bridge between those two communities. MCnet projects include both event
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generators themselves, and tools that connect them to both experiment and
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theory.
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summary: |
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[MCnet](http://montecarlonet.org) is a community linking the developers of
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particle-theory simulations with experimentalists and others who use and
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make tools for analysing the simulated events. Projects may be available
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from both aspects of the community.
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---
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{% include gsoc_project.ext %}

‎_gsocproposals/2023/proposal_MCnetLHAPDF.md‎

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---
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title: MCnet/LHAPDF - Test suite and coverage for parton density calculations
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layout: gsoc_proposal
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project: MCnet
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year: 2023
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organization:
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- UofGlasgow
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difficulty: easy
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duration: 175
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mentor_avail: June-October
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---
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# Description
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The Large Hadron Collider smashes protons into each other at the highest
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energies humanity has ever engineered. Protons are a very convenient type of
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particle for our high-energy beams : they are plentiful, and they don't lose
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(lots of) energy like electrons do when accelerated around the LHC ring. But
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they are not *fundamental* particles: they are made up of a tightly bound
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collection of smaller particles, and to make the most out of LHC experiments we
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need to understand both what we do and don't know about the internal structure
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of the proton that these objects induce. We encode this through so-called parton
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density functions, or PDFs.
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The [LHAPDF](https://lhapdf.hepforge.org) C++ library is the LHC's standard
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system for supplying PDF data to both experiments and theory
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calculations. Several years ago it was rewritten from scratch to make it more
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flexible and maintainable, but extensions are now needed. This project will put
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in place a far more complete regression-testing suite and code-coverage
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monitoring to ensure that these new developments preserve the current behaviours,
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which the whole LHC programme depends on being stable.
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## Task ideas
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This project will add continuous-integration (CI) tests in the GitLab system, to
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ensure that all aspects of the LHAPDF calculations are tested on a scalable rota,
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and introduce CI testing of code quality. The intention is to ensure the
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stability of LHAPDF established behaviours to high precision, to give required
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confidence when making new releases and developing new features. The project can
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also include more physics-oriented work for a suitable candidate.
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## Expected results and milestones
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* Familiarise with the LHAPDF framework from interface to calculation components;
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* Familiarise with current LHAPDF CI tests and the GitLab config system;
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* Design and present a new proposal of CI tests to provide feature coverage,
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with a CPU-efficient test schedule, targeting of change-driven tests, and
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a full-suite pre-release test-set;
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* Set up a Mac-based CI test worker, either virtual or physical, and incorporate
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in the test system;
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* Incorporate a trial SonarCloud scan of the LHAPDF codebase, to identify code
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quality issues.
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## Requirements
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* C++
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* Python
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* CI testing
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* git
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## Mentors
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* **[Andy Buckley](mailto:andy.buckley@cern.ch)**
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* [Max Knobbe](mailto:max.knobbe@uni-goettingen.de)
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## Links
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* [LHAPDF](https://lhapdf.hepforge.org)

‎gsoc/2023/mentors.md‎

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## Full Mentor List (Name, Email, Org)
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* Jack Y. Araz [jack.araz@durham.ac.uk](mailto:jack.araz@durham.ac.uk) IPPP
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* Andy Buckley [andy.buckley@gla.ac.uk](mailto:andy.buckley@gla.ac.uk) UofGlasgow
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* Benjamin Fuks [fuks@lpthe.jussieu.fr](mailto:fuks@lpthe.jussieu.fr) LPTHE
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* Benedikt Hegner [benedikt.hegner@cern.ch](mailto:benedikt.hegner@cern.ch) CERN

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