alphas-2019: Workshop on precision measurements of the QCD coupling constant
from
Monday 11 February 2019 (08:00)
to
Friday 15 February 2019 (19:00)
Monday 11 February 2019
09:00
Arrival of the participants
Arrival of the participants
09:00 - 10:30
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
Arrival of the participants
Arrival of the participants
11:00 - 12:30
12:30
Lunch
Lunch
12:30 - 14:00
14:00
ECT* welcome
ECT* welcome
14:00 - 14:15
14:15
14:15 - 15:15
Contributions
14:15
Presentation / Goals of the workshop
-
David d'Enterria
(
CERN
)
Stefan Kluth
(
Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D
)
14:30
World Summary of alpha_s before 2019
-
Siegfried Bethke
(
Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D
)
15:00
(alpha_s pre-2019 discussion)
15:15
Coffee break
Coffee break
15:15 - 15:45
15:45
15:45 - 17:15
Contributions
15:45
alpha_s from the lattice: FLAG 2019 average
-
Rainer Paul Sommer
(
DESY
)
16:15
Strong coupling constant from the moments of quarkonium correlators
-
Peter Petreczky
(
BNL
)
16:45
alpha_s from lattice ALPHA collaboration
-
Stefan Sint
(
Trinity College Dublin (IE)
)
Tuesday 12 February 2019
08:55
08:55 - 10:30
Contributions
09:30
The QCD coupling at all scales and the elimination of renormalization scale uncertainties (Remote)
-
Stanley J. Brodsky
(
SLAC National Accelerator Laboratory, Stanford University
)
10:00
The five-loop beta function of QCD
-
Johann Kuehn
(
KIT, Karlsruhe, Germany
)
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:30
Contributions
11:00
alpha_s from the QCD static energy
-
Nora brambilla
11:30
alpha_S from ALPHA
-
Mattia Dalla Brida
(
DESY - Zeuthen
)
12:00
alpha_s determination from static QCD potential with renormalon subtraction
-
Hiromasa Takaura
(
Kyushu University
)
12:30
Lunch break
Lunch break
12:30 - 14:00
14:00
14:00 - 15:00
Contributions
14:00
alpha_S, ABM PDFs, and heavy-quark masses
-
Sergey Alekhin
(
Hamburg University
)
14:30
alpha_S from H1 jets
-
Daniel Britzger
(
Max-Planck-Institut für Physik München
)
15:00
Coffee break
Coffee break
15:00 - 15:30
15:30
15:30 - 17:30
Contributions
15:30
alpha_s from pdfs
-
Joey Huston
(
Michigan State University (US)
)
16:00
(Discussion on alpha_s extractions from PDFs)
Wednesday 13 February 2019
09:00
09:00 - 10:30
Contributions
09:30
Old and new observables for alpha_S from e+e- to hadrons
-
Gabor Somogyi
(
University of Debrecen (HU)
)
10:00
alpha_S from 2-jet rate in e+e-
-
Andrii Verbytskyi
(
Max-Planck-Institut fur Physik (DE)
)
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:30
Contributions
11:00
The strong coupling from e+e- to hadrons
-
Maarten Golterman
(
San Francisco State University
)
11:45
The strong coupling constant from soft parton-to-hadron fragmentation functions
-
Redamy PEREZ Ramos
(
IPSA, Ivry-sur-Seine
)
12:30
Lunch
Lunch
12:30 - 14:00
14:00
14:00 - 15:00
Contributions
14:00
alpha_s from jets in pp collisions
-
Joao Ramalho Pires
(
CFTP, Instituto Superior Tecnico, Universidade de Lisboa
)
14:30
alpha_S Jet substructure and a possible determination of the QCD coupling
-
Felix Ringer
(
Lawrence Berkeley National Laboratory
)
15:00
Coffee break
Coffee break
15:00 - 15:30
15:30
15:30 - 17:00
Contributions
15:30
Extractions of the strong coupling constant in ATLAS
-
Fernando Barreiro Alonso
(
Universidad Autonoma de Madrid (ES)
)
16:00
alpha_S determinations from CMS
-
Klaus Rabbertz
(
KIT - Karlsruhe Institute of Technology (DE)
)
Thursday 14 February 2019
09:00
09:00 - 10:30
Contributions
09:30
alpha_s from inclusive W and Z cross sections at the LHC
-
Andres Poldaru
(
National Institute of Chemical Physics and Biophysics (EE)
)
David d'Enterria
(
CERN
)
10:00
Determination of alphas(mZ) from the Z-boson transverse momentum distribution
-
Stefano Camarda
(
CERN
)
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:30
Contributions
11:00
alpha_s from hadronic tau decay
-
santiago peris
(
Univ. Autonoma de Barcelona
)
11:30
QCD coupling: scheme variations and tau decays
-
Ramon Miravitllas
(
UAB, IFAE
)
Ramon Miravitllas Mas
12:00
(Discussion on alpha_s extractions from tau decays)
12:30
Lunch
Lunch
12:30 - 14:00
14:00
alpha_s from hadronic W decays
-
David d'Enterria
(
CERN
)
alpha_s from hadronic W decays
David d'Enterria
(
CERN
)
14:00 - 14:30
14:30
Agora - discussion and preparation of proceedings contributions
Agora - discussion and preparation of proceedings contributions
14:30 - 15:30
15:30
Coffee break
Coffee break
15:30 - 16:00
16:00
Agora - discussion and preparation of proceedings contributions
Agora - discussion and preparation of proceedings contributions
16:00 - 17:00
Friday 15 February 2019
09:30
Discussion on PDG averaging
-
Joey Huston
(
Michigan State University (US)
)
Giulia Zanderighi
Discussion on PDG averaging
Joey Huston
(
Michigan State University (US)
)
Giulia Zanderighi
09:30 - 10:30
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
Discussion on alpha_s averaging. Workshop summary
Discussion on alpha_s averaging. Workshop summary
11:00 - 12:00
12:30
Lunch
Lunch
12:30 - 14:00
14:00
Departure of the participants
Departure of the participants
14:00 - 16:00