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)
ECT* Trento

        : Sessions
    /     : Talks
        : Breaks
31 Jan 2022
1 Feb 2022
2 Feb 2022
3 Feb 2022
4 Feb 2022
AM
10:30 --- Coffee break ---
09:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 10:30)
10:30 --- Coffee break ---
11:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 12:00)
09:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 10:30)
10:30 --- Coffee break ---
11:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 12:00)
09:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 10:30)
10:30 --- Coffee break ---
11:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 12:00)
09:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 10:30)
10:30 --- Coffee break ---
11:00
Individual preparation of White Paper contributions (Asia/EU participants) (until 12:00)
PM
12:00 --- Lunch ---
13:45 --- ECT* welcome (Dir. Gert Aarts) ---
13:50
Introduction and organisation (until 14:00)
13:50 Presentation / Goals of the workshop / Snowmass White Paper - Giulia Zanderighi (Max Planck Society (DE)) David d'Enterria (CERN) Stefan Kluth (Max Planck Society (DE))  
14:00
alpha_s: Lattice QCD (until 16:15)
14:00 Update on alpha_s from FLAG - Stefan Sint (Trinity College Dublin)  
14:30 α_s from lattice QCD: an overview - Stefan Sint (Trinity College Dublin) Andreas Kronfeld  
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 ---
16:45
alpha_s: Lattice QCD (until 19:15)
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  
12:00 --- Lunch break ---
13:00
alpha_s from DIS & PDFs (until 15:30)
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 ---
16:00
alpha_s from DIS & PDFs (until 17:00)
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
alpha_s at hadron colliders (until 19:00)
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  
12:00 --- Lunch ---
13:00
alpha_s from e+e- hadronic final states (until 15:30)
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 ---
16:00
alpha_s from e+e- hadronic final states (until 17:00)
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
Other alpha_s extractions (until 18:30)
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
alpha_s from e+e- hadronic final states (until 19:00)
12:00 --- Lunch ---
13:00
alpha_s at hadron colliders (until 15:00)
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
alpha_s from tau decays (until 15:30)
15:00 Determination of the strong coupling from tau decays: current status - Antonio Pich (IFIC, U. Valencia -.)  
15:30 --- Coffee break ---
16:00
alpha_s from tau decays (until 19:00)
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  
12:00 --- Lunch ---
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))  
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))