Name: alphas-2025: Workshop on precision measurements of the QCD coupling constant
Start: 2025-12-14T18:00:00+01:00
End: 2025-12-19T14:00:00+01:00
Location: No location set

alphas-2025: Workshop on precision measurements of the QCD coupling constant

from Sunday, December 14, 2025 (6:00 PM) to Friday, December 19, 2025 (2:00 PM)

Monday, December 8, 2025
Tuesday, December 9, 2025
Wednesday, December 10, 2025
Thursday, December 11, 2025
Friday, December 12, 2025
Saturday, December 13, 2025
Sunday, December 14, 2025

7:00 PM Dinner
Dinner
7:00 PM - 9:30 PM

Monday, December 15, 2025
8:45 AM Welcome/Introduction - David d'Enterria (CERN) Giulia Zanderighi (Max Planck Inst. for Gravitationsph Albert Eisntein Institute (DE)) Stefan Kluth (Max Planck Society (DE))
Welcome/Introduction
- David d'Enterria (CERN)
- Giulia Zanderighi (Max Planck Inst. for Gravitationsph Albert Eisntein Institute (DE))
- Stefan Kluth (Max Planck Society (DE))
8:45 AM - 9:00 AM
9:00 AM alpha_s: Lattice QCD
9:00 AM - 10:00 AM
Contributions

9:00 AM alphas from LatticeQCD - Alberto Ramos Martinez (Univ. of Valencia and CSIC (ES))

9:30 AM FLAG update (to be confirmed) - Stefan Sint (Trinity College Dublin)
10:00 AM Coffee break
Coffee break
10:00 AM - 10:30 AM
10:30 AM alpha_s: Lattice QCD
10:30 AM - 12:00 PM
Contributions

10:30 AM Strong coupling constant from the static energy - Alexei Bazavov (Michigan State University)

11:00 AM A precise $alpha_s$ determination from the R-improved QCD Static Energy - José Manuel Mena Valle (Universidad de Salamanca)

11:30 AM Discussion: alpha_s from lattice QCD
12:00 PM Lunch and free afternoon (ski)
Lunch and free afternoon (ski)
12:00 PM - 4:45 PM
4:45 PM alpha_s from quarkonia
4:45 PM - 5:15 PM
Contributions

4:45 PM Determination of the quark masses and the strong coupling from global fits to quarkonium at N3LO - VICENT Mateu (University of Salamanca)
5:15 PM alpha_s from DIS & PDFs
5:15 PM - 6:45 PM
Contributions

5:15 PM A Determination of alphas( mZ ) at aN3LO_QCD ⊗NLO_QED Accuracy from a Global PDF Analysis - Emanuele Roberto Nocera Emanuele Roberto Nocera (Università degli Studi di Torino and INFN Torino) Juan Rojo Chacon (Nikhef National institute for subatomic physics (NL))

5:45 PM MSHT Approximate N3LO Determination of the Strong Coupling Constant (Updates) - Thomas Cridge
6:45 PM Welcome drink

6:45 PM - 7:15 PM

7:15 PM Dinner
Dinner
7:15 PM - 8:45 PM
Tuesday, December 16, 2025
9:00 AM alpha_s from DIS & PDFs
9:00 AM - 10:00 AM
Contributions

9:00 AM Complete 3-loop heavy-flavor corrections for unpolarized & polarized structure functions - Johannes Bluemlein

9:30 AM alpha_s from DY and top quark data at hadron colliders - Sven-Olaf Moch (Hamburg University (DE)) Sven-Olaf Moch
10:00 AM Coffee break
Coffee break
10:00 AM - 10:30 AM
10:30 AM alpha_s from DIS & PDFs
10:30 AM - 12:00 PM
Contributions

10:30 AM alpha_s at EIC - Zuhal Seyma Demiroglu (Stony Brook University)

11:00 AM αs from large-x DIS resummation - Анатолий Котиков

11:30 AM alpha_s measurement prospects at the EIC and JLab@22 - Alexandre Deur (Jefferson Lab)
12:00 PM Lunch / Ski
Lunch / Ski
12:00 PM - 5:00 PM
5:00 PM alpha_s at hadron colliders
5:00 PM - 7:00 PM
Contributions

5:00 PM Determination of the strong coupling and its running from measurements of inclusive jet production at CMS - Valentina Guglielmi (University of Zurich (CH))

5:30 PM CMS extractions of the strong coupling constant: Status and plans - Patrick Louis S Connor (CERN)

6:00 PM Recent ATLAS determinations of the strong coupling constant - Claudia Glasman (Universidad Autonoma de Madrid (ES))

6:30 PM Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range - Klaus Rabbertz (KIT - Karlsruhe Institute of Technology (DE))
7:00 PM Dinner (FONDUE cheese)
Dinner (FONDUE cheese)
7:00 PM - 8:30 PM
Wednesday, December 17, 2025
9:00 AM alpha_s at hadron colliders
9:00 AM - 10:00 AM
Contributions

9:00 AM Towards a precise determination of $\alpha_s$ from the Z boson $q_T$ spectrum - Giulia Marinelli

9:30 AM Impact of higher-order theory uncertainties on alpha_s extractions at the LHC - Rene Poncelet (IFJ PAN Krakow)
10:00 AM Coffee break
Coffee break
10:00 AM - 10:30 AM
10:30 AM alpha_s from e+e- hadronic final states
10:30 AM - 12:00 PM
Contributions

10:30 AM alpha_S determination from semi-inclusive regions in hadron and e+e- collisions - Giancarlo Ferrera (University of Milan)

11:00 AM On the N-space and tau-space resummation approaches for thrust distribution in $e^+e^-$ - Paolo Nason

11:30 AM Alphas from Precision e+e- Event Shapes - Iain Stewart
12:00 PM Lunch / Ski
Lunch / Ski
12:00 PM - 5:00 PM
5:00 PM alpha_s from e+e- hadronic final states
5:00 PM - 7:00 PM
Contributions

5:00 PM Summary of the CERN workshop on alpha_s and thrust - Gherardo Vita Pier Francesco Monni (CERN)

5:30 PM Measurements of Hadronic Final States in Archived LEP Data - Anthony Badea (University of Chicago (US))

6:00 PM Sudakov Shoulder Factorization For Event Shapes - Arindam Bhattacharya

6:30 PM Improve alpha_s extraction from heavy jet mass data - Xiaoyuan Zhang (MIT)
7:00 PM Dinner
Dinner
7:00 PM - 8:30 PM
Thursday, December 18, 2025
8:30 AM alpha_s from e+e- hadronic final states
8:30 AM - 10:00 AM
Contributions

9:00 AM Track energy-energy correlators as precision probes of the strong coupling - Yibei Li

9:30 AM alpha_s from EEC confinement plateau - Hao Chen (MIT)
10:00 AM Coffee break
Coffee break
10:00 AM - 10:30 AM
10:30 AM alpha_s from DIS & PDFs
10:30 AM - 11:00 AM
Contributions

10:30 AM alpha_s from the CT25 global PDF fit - Joey Huston (Department of Physics and Astronomy) Joey Huston (Michigan State University (US)) Kirtimaan Ajaykant Mohan Pavel Nadolsky (Michigan State University)
11:00 AM alpha_s from e+e- hadronic final states
11:00 AM - 12:00 PM
Contributions

11:00 AM Discussion: alpha_S from e+e- hadronic final states - Pier Francesco Monni (CERN)
12:00 PM Lunch / Ski
Lunch / Ski
12:00 PM - 5:00 PM
5:00 PM alpha_s from tau decays
5:00 PM - 6:00 PM
Contributions

5:00 PM Determination of the strong coupling from tau decays: current status - Antonio Pich (IFIC, University of Valencia - CSIC)

5:30 PM $\alpha_s$ from $\tau$ decays including $\tau\to2\pi\nu_\tau$ from Belle - Diogo Boito (University of Sao Paulo)
6:00 PM alpha_s from tau decays
6:00 PM - 7:00 PM
Contributions

6:00 PM Comparison between approaches to the determination of alpha_s from hadronic tau decays - Santi Peris
7:00 PM Dinner (PIERRADE: Grilled meat)
Dinner (PIERRADE: Grilled meat)
7:00 PM - 8:30 PM
Friday, December 19, 2025
9:00 AM alpha_S from electroweak observables
9:00 AM - 10:00 AM
Contributions

9:30 AM Higher-order hadronic vacuum polarization contributions to the muon anomalous magnetic moment - Alexander Nesterenko (JINR)
10:00 AM Coffee / Tea break
Coffee / Tea break
10:00 AM - 10:30 AM
10:30 AM alpha_s future perspectives (2025 EU Strategy of Particle Physics Update) - David d'Enterria (CERN)
alpha_s future perspectives (2025 EU Strategy of Particle Physics Update)
- David d'Enterria (CERN)
10:30 AM - 11:00 AM
11:00 AM alpha_s world average determination - Joey Huston (Michigan State University (US)) Joey Huston (Department of Physics and Astronomy) Giulia Zanderighi (Max Planck Society (DE)) Klaus Rabbertz (KIT - Karlsruhe Institute of Technology (DE)) Giulia Zanderighi (CERN)
alpha_s world average determination
- Joey Huston (Michigan State University (US))
- Joey Huston (Department of Physics and Astronomy)
- Giulia Zanderighi (Max Planck Society (DE))
- Klaus Rabbertz (KIT - Karlsruhe Institute of Technology (DE))
- Giulia Zanderighi (CERN)
11:00 AM - 11:30 AM
11:30 AM alpha_s world average: Discussion - Giulia Zanderighi (CERN) Giulia Zanderighi (Max Planck Society (DE))
alpha_s world average: Discussion
- Giulia Zanderighi (CERN)
- Giulia Zanderighi (Max Planck Society (DE))
11:30 AM - 12:00 PM