HSF Event Generator Tuning Workshop

27 Jun 2023, 15:00 → 28 Jun 2023, 18:50 Europe/Zurich

Efe Yazgan (National Taiwan University (TW)), Josh McFayden (University of Sussex), Markus Diefenthaler, Philip Ilten (University of Cincinnati (US))

Tuning plays a critical role in ensuring that the output of event generators best matches experimental data. However, tuning an event generator can be a complex task, as it requires a good understanding of the event generators, what data to use in tune, and the tools used to perform the tune itself. This workshop aims to bring together tuning tool experts as well as event generator experts to provide tutorials over two half days. The first day of the workshop will focus how event generator parameters can modify physics observables, while the second day will focus on the tuning tools.

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There are two tutorials. On the first day, we will be exploring how changing parameters in the Pythia model modifies observables, and on the second day we will be learning how to use RIVET and Professor. Both of the tutorials require Docker. To ensure everyone is ready for these tutorials, we ask that you please make sure that Docker is installed and working on your machine. Instructions on how to install Docker can be found here:

https://docs.docker.com/get-docker/

If you are using Windows, you will need to be able to run Linux containers. Instructions on how to do this can be found here:

https://learn.microsoft.com/en-us/virtualization/windowscontainers/quick-start/quick-start-windows-10-linux

Once you have Docker running, you can try starting the tutorial for Tuesday by running the following:

docker run --rm -u `id -u $USER` -v $PWD:$PWD -w $PWD -p 8888:8888 -it pythia8/tutorials:hsf23

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Workshop Notebook

Tuesday 27 June

1 Welcome

Generator Overview

2 Generator Overview

Speaker: Prof. Peter Skands (Monash University (AU))

23-HSF-GeneratorTuningIntro.pdf

16:00 Coffee Break

Collaboration Experience

3 CMS

Speaker: Sercan Sen (Istanbul Technical University (TR))

HSF_2023_CMS_SercanSen.pdf

4 ATLAS

Speaker: Deepak Kar (University of the Witwatersrand (ZA))

HSF-ATLAS.pdf

5 LHCb

Speaker: Ms Saliha Bashir (AGH University of Science and Technology (PL))

HSF-workshop_SB.pdf

6 ALICE

Speaker: Valentina Zaccolo (Universita e INFN Trieste (IT))

HSFWS_VZ.pdf

7 ePIC

Speaker: Markus Diefenthaler

Diefenthaler-ePIC-MCEGTuning.pdf

17:10 Coffee Break

Tutorial - Explore a Model

In this session we will explore how modifying parameters in Pythia modifies observable distributions. To run the tutorial, you must have Docker installed and running on your machine. To start the tutorial, run the following in a command line:

docker run --rm -u `id -u $USER` -v $PWD:$PWD -w $PWD -p 8888:8888 -it pythia8/tutorials:hsf23

Then, open a web browser and paste the URL given in the terminal to open up the Jupyter notebook.

8 Tutorial

In this session we will explore how modifying parameters in Pythia modifies observable distributions. To run the tutorial, you must have Docker installed and running on your machine. To start the tutorial, run the following in a command line:

docker run --rm -u `id -u $USER` -v $PWD:$PWD -w $PWD -p 8888:8888 -it pythia8/tutorials:hsf23

Then, open a web browser and paste the URL given in the terminal to open up the Jupyter notebook.

Speakers: Christian Preuss (ETH Zürich), Philip Ilten (University of Cincinnati (US))

Wednesday 28 June

Tuning Software Overview

9 Professor

https://gitlab.com/hepcedar/professor, https://arxiv.org/abs/0907.2973

Speaker: Andy Buckley (University of Glasgow (GB))

buckley-prof2012.pdf

buckley-prof2015.pdf

buckley-prof2019.pdf

buckley-prof2023.pdf

16:00 Coffee Break

10 Neutrinos

Speaker: Dr Clarence Wret (University of Rochester (US))

HSF_generator_tuning_28June_2023.pdf

11 Community Discussion

Status/future of tools
- Do Professor and Apprentice need to be separate entities? At what level are they expected to be maintained?
- What interest is there in other tools like MCNNTUNES?

Need for strengthening interactions between communities?
- LHC -> Nuclear -> Neutrinos -> Elsewhere?

Anything else?

Tutorial - Learning the Tools

12 Tutorial

Speakers: Andy Buckley (University of Glasgow (GB)), Philip Ilten (University of Cincinnati (US))

2023-06 HSF tuning tutorial.pdf