Name: alphas-2022: Workshop on precision measurements of the QCD coupling constant
Start: 2022-01-31T08:00:00+01:00
End: 2022-02-04T21:55:00+01:00
Location: ECT* Trento

alphas-2022: Workshop on precision measurements of the QCD coupling constant

from Monday 31 January 2022 (08:00) to Friday 4 February 2022 (21:55)

Monday 31 January 2022

10:30 Coffee break
Coffee break
10:30 - 11:00

12:00 Lunch
Lunch
12:00 - 13:30

13:45 ECT* welcome (Dir. Gert Aarts)
ECT* welcome (Dir. Gert Aarts)
13:45 - 13:50
13:50
13:50 - 14:00
Contributions

13:50 Presentation / Goals of the workshop / Snowmass White Paper - David d'Enterria (CERN) Giulia Zanderighi (Max Planck Society (DE)) Stefan Kluth (Max Planck Society (DE))
14:00
14:00 - 16:15
Contributions

14:00 Update on alpha_s from FLAG - Stefan Sint (Trinity College Dublin)

14:30 α_s from lattice QCD: an overview - Andreas Kronfeld Stefan Sint (Trinity College Dublin)

14:45 Strong coupling constant from moments of quarkonium correlators revisited - Johannes Heinrich Weber (Humboldt University of Berlin)

15:15 alphas from the static energy and force - Nora Brambilla

15:45 Strong coupling constant determination in 3 flavor QCD from the static energy and free energy - Johannes Heinrich Weber (Humboldt University of Berlin)
16:15 Coffee break
Coffee break
16:15 - 16:45
16:45
16:45 - 19:15
Contributions

16:45 Heavy-quark decoupling: a new tool for precision determinations of alpha_s using lattice QCD - Mattia Dallabrida (CERN)

17:15 A precise determination of alpha_s from lattice QCD using decoupling of heavy quarks - Alberto Ramos Martinez (Univ. of Valencia and CSIC (ES))

17:45 Discussion: alpha_s from lattice QCD
Tuesday 1 February 2022

09:00

09:00 - 10:30

10:30 Coffee break
Coffee break
10:30 - 11:00

11:00

11:00 - 12:00

12:00 Lunch break
Lunch break
12:00 - 13:00
13:00
13:00 - 15:30
Contributions

13:00 alpha_s in PDF fits - Sven-Olaf Moch

13:30 Scheme invariant evolution of non-singlet DIS structure functions at N3LO - Johannes Bluemlein (DESY)

14:00 The determination of the strong coupling in the MSHT fit - Thomas Cridge Thomas Cridge (University College London)

14:30 Strong coupling determination from the NNPDF4.0 global analysis - Juan Rojo (VU Amsterdam and Nikhef)

15:00 The alpha_s determination in the CT18 analysis - Pavel Nadolsky (Southern Methodist University)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:00
Contributions

16:00 Impact of jet production data on the next-to-next-to-leading order determination of HERAPDF2.0 parton distributions - Amanda Sarkar (University of Oxford (GB))

16:30 αs from DIS via a large-x resummation - Anatoly Kotikov (JINR)
17:00
17:00 - 19:00
Contributions

17:00 New results on strong coupling constant and PDFs from CMS - Toni Makela (Deutsches Elektronen-Synchrotron (DE))

17:30 alpha_s from inclusive W and Z cross sections at the LHC - David d'Enterria (CERN)

18:00 The ATLASpdf21 fit - Francesco Giuli (Brandeis University (US))

18:30 Discussion: alpha_s from PDFs & LHC data
Wednesday 2 February 2022

09:00

09:00 - 10:30

10:30 Coffee break
Coffee break
10:30 - 11:00

11:00

11:00 - 12:00

12:00 Lunch
Lunch
12:00 - 13:00
13:00
13:00 - 15:30
Contributions

13:00 C-parameter hadronisation in the symmetric 3-jet limit and impact on alpha_S fits - Pier Francesco Monni (CERN)

13:30 Linear power correctrions to shape variables in e+e- annihilation - Paolo Nason (Max Planck Society (DE))

14:00 Determination of alpha_{S} beyond NNLO from the e^+e^- data - Andrii Verbytskyi (Max Planck Society (DE))

14:30 alpha_s from groomed event shapes - Simone Marzani

15:00 Hadronic vacuum polarization function, R-ratio, and the strong coupling - Alexander Nesterenko (JINR)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:00
Contributions

16:00 alpha_s from hadronic W and Z decays - David d'Enterria (CERN)

16:30 Strong coupling determination at NNLO*+NNLL accuracy from the energy evolution of jet fragmentation functions at low z - Redamy PEREZ Ramos (IPSA, Ivry-sur-Seine)
17:00
17:00 - 18:30
Contributions

17:00 Strong coupling from Charmonium Sum Rules - VICENT MATEU BARREDA (University of Salamanca) Vicent Mateu (MPI for Physics, Munich)

17:30 Measurements of alpha_s from spin structure functions - Alexandre Deur (JLAB)

18:00 The bottom quark mass from Higgs boson measurements - Marcel Vos (IFIC Valencia (ES))
18:30 Discussion: alpha_s from e+e-
Discussion: alpha_s from e+e-
18:30 - 19:00
Thursday 3 February 2022

09:00

09:00 - 10:30

10:30 Coffee break
Coffee break
10:30 - 11:00

11:00

11:00 - 12:00

12:00 Lunch
Lunch
12:00 - 13:00
13:00
13:00 - 15:00
Contributions

13:00 alpha_s from jet production at HERA and the LHC - Daniel Britzger (Deutsches Elektronen-Synchrotron (DE)) Daniel Britzger (Max-Planck-Institut für Physik München)

13:30 A novel method for computing cross section ratios in pQCD (for alpha_s deteminations) - Markus Wobisch (Louisiana Tech University (US))

14:00 Energy range for the RGE test and PDF sensitivity in alpha_S evaluations from jet cross section ratios at the LHC - Bogdan Malaescu (Centre National de la Recherche Scientifique (FR))

14:30 alpha_S from the Z-boson transverse momentum distribution - Stefano Camarda (CERN)
15:00
15:00 - 15:30
Contributions

15:00 Determination of the strong coupling from tau decays: current status - Antonio Pich (IFIC, U. Valencia -.)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 19:00
Contributions

16:00 Extraction of alpha_s data using Borel-Laplace sum rules for tau decay data - Gorazd Cvetic

16:30 The strong coupling from an improved tau vector isovector spectral function - Santi Peris

17:00 alpha_s from e+e- to hadrons around the tau-mass scale - Diogo Boito

17:30 On the use of the operator product expansion in finite-energy sum rules for light-quark correlators - Maarten Golterman

18:00 Reconciling FOPT and CIPT alpha_s determinations from hadronic tau spectral function moments - Andre Hoang

18:30 Discussion: alpha_s from tau decays
Friday 4 February 2022

09:00

09:00 - 10:30

10:30 Coffee break
Coffee break
10:30 - 11:00

11:00

11:00 - 12:00

12:00 Lunch
Lunch
12:00 - 13:00
13:00 Discussion on PDG averaging - Klaus Rabbertz (KIT - Karlsruhe Institute of Technology (DE)) Giulia Zanderighi (Max Planck Society (DE)) Joey Huston (Michigan State University (US))
Discussion on PDG averaging
- Klaus Rabbertz (KIT - Karlsruhe Institute of Technology (DE))
- Giulia Zanderighi (Max Planck Society (DE))
- Joey Huston (Michigan State University (US))
13:00 - 14:00
14:00 Discussion and preparation of Snowmass White Paper (2022). - David d'Enterria (CERN) Giulia Zanderighi (Max Planck Society (DE)) Stefan Kluth (Max Planck Society (DE))
Discussion and preparation of Snowmass White Paper (2022).
- David d'Enterria (CERN)
- Giulia Zanderighi (Max Planck Society (DE))
- Stefan Kluth (Max Planck Society (DE))
14:00 - 16:00

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