alphas-2019: Workshop on precision measurements of the QCD coupling constant

Europe/Zurich
ECT* Trento

ECT* Trento

Strada delle Tabarelle, 286 38123 Villazzano TRENTO (TN)
David d'Enterria (CERN), Stefan Kluth (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)
Description

The "alphas-2019: Workshop on precision measurements of the strong coupling constant" conference, to be held at ECT* (Trento), aims at exploring in depth the current status and upcoming prospects in the determination of the QCD coupling constant $\alpha_S(m_Z)$ from the key observables where high-precision experimental measurements and theoretical calculations are (or will be) available: (i) lattice QCD, (ii) hadronic decays of tau leptons, (iii) deep-inelastic electron-proton scattering and global parton density analyses, (iv) QCD corrections to electroweak precision observables, and analysis of (v) hadronic final states in high energy particle collisions ($e^+e^-$, ep, and pp).

 

Registration
alphas-2019 registration
Participants
  • Alexander Nesterenko
  • Andre Hoang
  • Andres Põldaru
  • Andrii Verbytskyi
  • Bipasha Chakraborty
  • Bogdan Malaescu
  • Daniel Britzger
  • David d'Enterria
  • Felix Ringer
  • Fernando BARREIRO
  • Gabor Somogyi
  • Giulia Zanderighi
  • Hiromasa Takaura
  • Joao Pires
  • Joey Huston
  • Johann Kuehn
  • Klaus Rabbertz
  • Maarten Golterman
  • Mattia Dalla Brida
  • Mikhail Barabanov
  • Nora Brambilla
  • Peter Petreczky
  • Rainer Sommer
  • Ramon Miravitllas Mas
  • Redamy Perez-Ramos
  • santi peris
  • Sergey Alekhin
  • Siegfried Bethke
  • Stanley Brodsky
  • Stefan Kluth
  • Stefan Sint
  • Stefano Camarda
    • 09:00 10:30
      Arrival of the participants 1h 30m
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      Arrival of the participants 1h 30m
    • 12:30 14:00
      Lunch 1h 30m
    • 14:00 14:15
      ECT* welcome 15m
    • 14:15 15:15
      Overview and Introduction
      • 14:15
        Presentation / Goals of the workshop 15m
        Speakers: David d'Enterria (CERN), Stefan Kluth (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)
      • 14:30
        World Summary of alpha_s before 2019 30m
        Speaker: Siegfried Bethke (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)
      • 15:00
        (alpha_s pre-2019 discussion) 15m
    • 15:15 15:45
      Coffee break 30m
    • 15:45 17:15
      alpha_s: Lattice QCD
      • 15:45
        alpha_s from the lattice: FLAG 2019 average 30m
        Speaker: Rainer Paul Sommer (DESY)
      • 16:15
        Strong coupling constant from the moments of quarkonium correlators 30m
        Speaker: Peter Petreczky (BNL)
      • 16:45
        alpha_s from lattice ALPHA collaboration 30m
        Speaker: Stefan Sint (Trinity College Dublin (IE))
    • 08:55 10:30
      alpha_S from electroweak observables
      • 09:30
        The QCD coupling at all scales and the elimination of renormalization scale uncertainties (Remote) 30m
        Speaker: Stanley J. Brodsky (SLAC National Accelerator Laboratory, Stanford University)
      • 10:00
        The five-loop beta function of QCD 30m
        Speaker: Johann Kuehn (KIT, Karlsruhe, Germany)
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      alpha_s: Lattice QCD
      • 11:00
        alpha_s from the QCD static energy 30m
        Speaker: Nora brambilla
      • 11:30
        alpha_S from ALPHA 30m
        Speaker: Mattia Dalla Brida (DESY - Zeuthen)
      • 12:00
        alpha_s determination from static QCD potential with renormalon subtraction 30m
        Speaker: Hiromasa Takaura (Kyushu University)
    • 12:30 14:00
      Lunch break 1h 30m
    • 14:00 15:00
      alpha_s from DIS & PDFs
      • 14:00
        alpha_S, ABM PDFs, and heavy-quark masses 30m
        Speaker: Dr Sergey Alekhin (Hamburg University)
      • 14:30
        alpha_S from H1 jets 30m
        Speaker: Daniel Britzger (Max-Planck-Institut für Physik München)
    • 15:00 15:30
      Coffee break 30m
    • 15:30 17:30
      alpha_s from DIS & PDFs
      • 15:30
        alpha_s from pdfs 30m
        Speaker: Joey Huston (Michigan State University (US))
      • 16:00
        (Discussion on alpha_s extractions from PDFs) 30m
    • 09:00 10:30
      alpha_S from e+e- hadronic and tau pair final states
      • 09:30
        Old and new observables for alpha_S from e+e- to hadrons 30m
        Speaker: Gabor Somogyi (University of Debrecen (HU))
      • 10:00
        alpha_S from 2-jet rate in e+e- 30m
        Speaker: Andrii Verbytskyi (Max-Planck-Institut fur Physik (DE))
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      alpha_S from e+e- hadronic and tau pair final states
      • 11:00
        The strong coupling from e+e- to hadrons 45m
        Speaker: Maarten Golterman (San Francisco State University)
      • 11:45
        The strong coupling constant from soft parton-to-hadron fragmentation functions 45m
        Speaker: Redamy PEREZ Ramos (IPSA, Ivry-sur-Seine)
    • 12:30 14:00
      Lunch 1h 30m
    • 14:00 15:00
      alpha_s at hadron colliders
      • 14:00
        alpha_s from jets in pp collisions 30m
        Speaker: Dr Joao Ramalho Pires (CFTP, Instituto Superior Tecnico, Universidade de Lisboa)
      • 14:30
        alpha_S Jet substructure and a possible determination of the QCD coupling 30m
        Speaker: Felix Ringer (Lawrence Berkeley National Laboratory)
    • 15:00 15:30
      Coffee break 30m
    • 15:30 17:00
      alpha_s at hadron colliders
    • 09:00 10:30
      alpha_s at hadron colliders
      • 09:30
        alpha_s from inclusive W and Z cross sections at the LHC 30m
        Speakers: 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 30m
        Speaker: Stefano Camarda (CERN)
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      alpha_s from tau decays
      • 11:00
        alpha_s from hadronic tau decay 30m
        Speaker: santiago peris (Univ. Autonoma de Barcelona)
      • 11:30
        QCD coupling: scheme variations and tau decays 30m
        Speakers: Ramon Miravitllas (UAB, IFAE), Ramon Miravitllas Mas
      • 12:00
        (Discussion on alpha_s extractions from tau decays) 30m
    • 12:30 14:00
      Lunch 1h 30m
    • 14:00 14:30
      alpha_s from hadronic W decays 30m
      Speaker: David d'Enterria (CERN)
    • 14:30 15:30
      Agora - discussion and preparation of proceedings contributions 1h
    • 15:30 16:00
      Coffee break 30m
    • 16:00 17:00
      Agora - discussion and preparation of proceedings contributions 1h
    • 09:30 10:30
      Discussion on PDG averaging 1h
      Speakers: Giulia Zanderighi, Joey Huston (Michigan State University (US))
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:00
      Discussion on alpha_s averaging. Workshop summary 1h
    • 12:30 14:00
      Lunch 1h 30m
    • 14:00 16:00
      Departure of the participants 2h
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