From Euclidean spectral densities to real-time physics

Europe/Zurich
4/3-006 - TH Conference Room (CERN)

4/3-006 - TH Conference Room

CERN

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Anthony Sebastian Francis (CERN), Jacopo Ghiglieri (CERN)
Description

The experimental programs at the LHC, in particular ALICE and LHCb, probe a regime of high energy physics that is dominated by QCD effects. Flavor anomalies, exotic hadrons, as well as the transport properties and electromagnetic emission of the Quark-Gluon Plasma, are all observations that cannot be understood without a non-perturbative handle. At the same time, these are problems where the dependence on real time is of fundamental importance. However, methods to theoretically access them are often limited to the study of observables with Euclidean signature, e.g. provided by lattice QFT, through their spectral density of states.

In this workshop we will discuss methods to study the spectral density of states in zero- and finite-temperature QCD and how both fields can benefit from each other. Bringing together experts from all involved areas to discuss and openly address the technical and conceptual aspects of the currently available approaches we hope to garner fruitful exchange and to build bridges between these communities for the exploration of new directions in extracting the real-time information hidden in Euclidean-time observables provided in particular from lattice QCD.

Topics :

  • Foundations of analytic continuation from imaginary to real-time

  • Numerical methods for lattice spectral function reconstruction

  • Finite volume methods for spectral properties

  • Scattering from lattice QCD in the vacuum

  • Perturbative spectral functions and lattice QCD

  • Spectral functions through imaginary-momentum calculations

  • Effective formulations of observables with improved continuation properties

  • Methods for vacuum subtraction or evaluation of in-medium spectral functions


Organisers : Anthony Francis (CERN), Jacopo Ghiglieri (CERN)

Registration
Application Form
Participants
  • Alexander Rothkopf
  • Andrey Kotov
  • Antonio Rago
  • Argia Rubeo
  • Arianna Toniato
  • Chris Allton
  • Christian Walther Andersen
  • Dorota Grabowska
  • Gert Aarts
  • Harvey B. Meyer
  • Jacopo Ghiglieri
  • John Bulava
  • Marco Cè
  • Martin Hansen
  • Maxwell Hansen
  • Michael Wagman
  • Miguel Ángel Escobedo Espinosa
  • Mikko Laine
  • Nikita Astrakhantsev
  • Patrick Fritzsch
  • Philippe de Forcrand
  • Sasa Prelovsek
  • Seyong Kim
  • Simon-Raphael Fischer
  • Sinead Ryan
  • Viljami Leino
  • William Jay
    • 09:30 11:00
      Talks: First morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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      Conveners: Anthony Sebastian Francis (CERN), Jacopo Ghiglieri (CERN)
      • 09:30
        Opening 30m
        Speakers: Anthony Sebastian Francis (CERN), Jacopo Ghiglieri (CERN)
      • 10:00
        Towards understanding of charmonia and charmed pentaquarks Pc 1h
        Speaker: Sasa Prelovsek
    • 11:00 11:30
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 11:30 12:30
      Talks: Second morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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      • 11:30
        Lattice hadron spectroscopy at zero and finite temperature 1h
        Speaker: Sinead Ryan (Trinity College Dublin)
    • 15:30 16:00
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 16:00 17:00
      Discussion 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 09:30 11:00
      Talks: First morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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      • 09:30
        QGP photon production rate via lattice QCD 30m
        Speaker: Dr Arianna Toniato (University of Mainz)
      • 10:00
        From quarkonium spectral functions to PDFs, tackling inverse problems on the lattice 1h
        Speaker: Dr Alexander Rothkopf (University of Stavanger)
    • 11:00 11:30
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 11:30 12:30
      Talks: Second morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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      • 11:30
        Finite mu corrections to mesonic correlators 1h
        Speaker: Gert Aarts (Swansea University)
    • 15:30 16:00
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 16:00 17:00
      Discussion 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 17:00 18:00
      Heavy-ion physics overview 1h 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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      Speaker: Urs Wiedemann (CERN)
    • 18:30 20:30
      Reception 2h
    • 09:30 11:00
      Talks: First morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 11:00 11:30
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
      Show room on map
    • 11:30 12:30
      Talks: Second morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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      • 11:30
        Testing photon and dilepton rates in thermal QCD 1h
        Speaker: Mikko Sakari Laine (Universitaet Bern (CH))
    • 15:30 16:00
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 16:00 17:00
      Discussion 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 09:30 11:00
      Talks: First morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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      • 09:30
        Exponential noise reduction for hadronic correlators with multi-level sampling 30m
        Speaker: Dr Marco Cè (University of Mainz)
      • 10:00
        Real-time quantities in a finite volume 1h
        Speaker: Maxwell Hansen (CERN)
    • 11:00 11:30
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 11:30 12:30
      Talks: Second morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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      • 11:30
        Scattering amplitudes from (in)finite-volume spectral functions 1h
        Speaker: John Merritt Bulava (CERN)
    • 15:30 16:00
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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    • 16:00 17:00
      Discussion 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
      Show room on map
    • 09:30 11:00
      Talks: First morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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      • 09:30
        Lattice study of shear and bulk viscosity in QCD 15m
        Speaker: Nikita Astrakhantsev
      • 09:45
        Conductivity of Quark-Gluon Plasma in external magnetic fields 15m
        Speaker: Andrey Kotov
      • 10:00
        Open quantum systems approach to the study of quarkonium suppression 1h
        Speaker: Miguel angel ESCOBEDO ESPINOSA (University of Jyväskylä)
    • 11:00 11:30
      Coffee break 30m 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
      Show room on map
    • 11:30 12:30
      Talks: Second morning session 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      100
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      • 11:30
        Heavy quark diffusion from the lattice 1h
        Speaker: Viljami Leino (University of Helsinki)
    • 15:30 16:30
      Discussion 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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    • 16:30 17:00
      Closing 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

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