Name: pyhf Users and Developers Workshop 2023
Start: 2023-12-04T09:00:00+01:00
End: 2023-12-08T17:00:00+01:00
Location: CERN

pyhf Users and Developers Workshop 2023

from Monday, December 4, 2023 (9:00 AM) to Friday, December 8, 2023 (5:00 PM)

Monday, December 4, 2023
10:00 AM pyhf users introduction
pyhf users introduction
10:00 AM - 11:40 AM
Room: 222/R-003
Contributions

10:00 AM Workshop welcome - Matthew Feickert (University of Wisconsin Madison (US))

10:10 AM pyhf Overview and Basic Tutorial - Giordon Holtsberg Stark (University of California,Santa Cruz (US))

11:00 AM Constructing and steering pyhf models with cabinetry - Alexander Held (University of Wisconsin Madison (US))
11:40 AM Feedback from LHC experiments
Feedback from LHC experiments
11:40 AM - 12:10 PM
Room: 222/R-003
Contributions

11:40 AM Modernizing the ATLAS Statistical Analysis: Implementing HistFitter Strategies with pyhf in Supersymmetry search - Vangelis Kourlitis (Technische Universitat Munchen (DE))
2:00 PM Feedback from LHC experiments
Feedback from LHC experiments
2:00 PM - 4:00 PM
Room: 304/1-007
Contributions

2:00 PM abcd_pyhf: Likelihood-based ABCD method for background estimation and hypothesis testing with pyhf - Mason Proffitt (University of Washington (US))

2:30 PM The HEP Statistics Serialization Standard (HS³) - Carsten Burgard (Technische Universitaet Dortmund (DE)) Robin Pelkner (Technische Universitaet Dortmund (DE))

3:00 PM HEPExplorer, an interactive visualization tool for pyhf HistFactory workspaces. - Abe Megahed (Data Science Institute, University of Wisconsin-Madison)

3:30 PM WorkspaceExplorer - Volker Andreas Austrup (University of Manchester (GB))
Tuesday, December 5, 2023
10:00 AM Feedback from Theory and HEPData
Feedback from Theory and HEPData
10:00 AM - 11:30 AM
Room: 6/R-012 - conference room
Contributions

10:00 AM HEPData and pyhf - Graeme Watt

10:30 AM Signal region combination in CheckMATE - Iñaki Lara Perez

11:00 AM Staying on Top of likelihood analyses: Using pyhf in the context of global SMEFT analyses with SFitter - Nikita Schmal
2:00 PM Feedback from Flavor and Neutrino Physics
Feedback from Flavor and Neutrino Physics
2:00 PM - 5:20 PM
Room: 6/R-012 - conference room
Contributions

2:00 PM Searching for BSM physics with the MicroBooNE detector - Luis Alberto Mora Lepin (University of Manchester (GB))

2:30 PM Introduction to the Belle II collaboration and feedback from its analyzers - Fabian Becherer (DESY)

3:00 PM Feedback from SModelS - Sabine Kraml (LPSC Grenoble)

3:30 PM Coffee/Tea Break

4:00 PM Usage of full likelihoods in reinterpretation studies - Jack Y. Araz (Jefferson Lab)

4:30 PM A decade of HistFactory - Kyle Stuart Cranmer (University of Wisconsin Madison (US))

5:00 PM Introducing the FAIROS-HEP Research Coordination Network - Kyle Stuart Cranmer (University of Wisconsin Madison (US))
6:00 PM ATLAS Cavern Underground Tour
ATLAS Cavern Underground Tour
6:00 PM - 7:00 PM
Room: ATLAS Cavern

7:30 PM Users Social Dinner
Users Social Dinner
7:30 PM - 9:30 PM
Wednesday, December 6, 2023
10:00 AM Discussion of Common Problems
Discussion of Common Problems
10:00 AM - 12:00 PM
Room: 40/2-A01
Contributions

10:00 AM Discussion of Common Problems - Giordon Holtsberg Stark (University of California,Santa Cruz (US)) Matthew Feickert (University of Wisconsin Madison (US))
2:00 PM Discussions of New Ideas
Discussions of New Ideas
2:00 PM - 4:00 PM
Room: 40/R-B10
Contributions

2:00 PM Discussion of New Ideas - Giordon Holtsberg Stark (University of California,Santa Cruz (US)) Lukas Alexander Heinrich (Technische Universitat Munchen (DE)) Matthew Feickert (University of Wisconsin Madison (US))
4:00 PM Group Photo - Matthew Feickert (University of Wisconsin Madison (US)) Giordon Holtsberg Stark (University of California,Santa Cruz (US))
Group Photo
- Matthew Feickert (University of Wisconsin Madison (US))
- Giordon Holtsberg Stark (University of California,Santa Cruz (US))
4:00 PM - 4:10 PM
Room: 40/R-B10
4:10 PM Users Sessions Closeout
Users Sessions Closeout
4:10 PM - 4:40 PM
Room: 40/R-B10
Thursday, December 7, 2023
10:00 AM dilax: Differentiable Binned Likelihoods in JAX - Manfred Peter Fackeldey (RWTH Aachen University (DE))
dilax: Differentiable Binned Likelihoods in JAX
- Manfred Peter Fackeldey (RWTH Aachen University (DE))
10:00 AM - 10:30 AM
Room: 53/R-044 `dilax` is a software package for statistical inference with binned likelihoods. It focusses on three key concepts: performance, differentiability, and object-oriented statistical model building. Thus, `dilax` is build upon the shoulders of a deep learning giant: JAX - a popular autodifferentiation Python framework. By making *every* component in `dilax` a `PyTree`, each component can be jit-compiled (`jax.jit`), vectorized (`jax.vmap`) and differentiated (`jax.grad`). This does not only fulfil all key concepts, but also enables novel computational concepts, such as running thousands of fits simultaneously on a GPU. We present the key concepts of `dilax`, show its features, and discuss performance benchmarks with toy datasets.
10:30 AM Development Onboarding
Development Onboarding
10:30 AM - 11:00 AM
Room: 40/2-A01
11:00 AM Birds of a Feather
Birds of a Feather
11:00 AM - 12:00 PM
Room: 40/2-A01
Contributions

11:00 AM BoF Overview - Giordon Holtsberg Stark (University of California,Santa Cruz (US)) Lukas Alexander Heinrich (Technische Universitat Munchen (DE)) Matthew Feickert (University of Wisconsin Madison (US))

11:15 AM BoF Breakouts (TBD) - Giordon Holtsberg Stark (University of California,Santa Cruz (US)) Lukas Alexander Heinrich (Technische Universitat Munchen (DE)) Matthew Feickert (University of Wisconsin Madison (US))
2:00 PM Sprints
Sprints
2:00 PM - 4:30 PM
Room: 40/2-A01

5:00 PM Sprints Social Dinner
Sprints Social Dinner
5:00 PM - 6:30 PM
Friday, December 8, 2023

10:00 AM Sprints
Sprints
10:00 AM - 4:00 PM
Room: 53/R-044

4:00 PM Developers Closeout
Developers Closeout
4:00 PM - 4:20 PM
Room: 53/R-044

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