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N³LO kick-off workstop / thinkstart

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OC218 (IPPP)

OC218

IPPP
Yannick Ulrich (University of Durham)
Description
Recent progress at NNLO suggests that a fully differential N³LO calculation of γ*→ll should be possible. IPPP will host a three-day in-person kick-off workstop to try and organise the different contributions. We will cover
  • VVV: the three-loop heavy-quark / heavy-lepton form factor (massification, exact, semi-numerical, etc.)
  • RVV: adapting γ*→qqg, new calculations, mass dependence
  • RRV: automation, numerical stability
  • assembly & dirty tricks: Monte Carlo, massification, jettification, NTS stabilisation etc.
  • open discussion

Each area will be given half a day, starting with an open 1h seminar followed by a lengthy discussion.

Just like previous workstops, we try to gather a small number of theorists who actively work on this topic to make very concrete progress. It should not just be about giving talks, but to actually learn from each other and put together the jigsaw pieces.

conference-photo.jpg
program.pdf
Registration
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Participants
  • Adrian Signer
  • Carlo M. Carloni Calame
  • Daniel Reichelt
  • Fabian Lange
  • Fulvio Piccinini
  • Jonas Lindert
  • Jonathan Ronca
  • Kay Schoenwald
  • Marco Rocco
  • Matteo Fael
  • Natalie Schär
  • Ryan Moodie
  • Sebastian Jaskiewicz
  • Stephen Jones
  • Tim Engel
  • Yannick Ulrich
Contact
  • Wednesday, 3 August
    • 1
      Welcome OC218

      OC218

      IPPP
      Speaker: Yannick Ulrich (University of Durham)
    • Open Discussion: Motivations and goal OC218

      OC218

      IPPP
      • 2
        Motivations and goal
        Speaker: Yannick Ulrich (University of Durham)
        welcome.pdf
      • 11:00
        Coffee & Tea break
    • 13:00
      Lunch Outside OC218 (Ogden Building)

      Outside OC218

      Ogden Building
    • VVV OC218

      OC218

      IPPP

      the three-loop heavy-quark / heavy-lepton form factor (massification, exact, semi-numerical, etc.)

      • 3
        Seminar: Three loop corrections for the QCD and QED form factors
        • the details our calculation of hep-ph/2202.05276, in particular the semi-analytic method employed for the MIs and the optimization of the MI basis.
        • discuss the possible implementation in a C++/Fortran code, what is necessary for the Monte Carlo and which features you require.
        • discuss  which contributions with closed fermion loops and hadronic vacuum polarization would be necessary to calculate.
        Speakers: Fabian Lange (KIT), Kai Schoenwald (KIT), Matteo Fael (KIT Karlsruhe)
        durham.pdf
        Fael_DurhamFFN3LO.pdf
        Workstop_VVV_Lange.pdf
      • 15:00
        Coffee & Tea break
  • Thursday, 4 August
    • RVV OC218

      OC218

      IPPP

      adapting γ*→qqg, new calculations, mass dependence

      • 4
        Seminar: Two-Loop amplitudes via the AIDA framework
        Speaker: Jonathan Ronca (INFN - Sezione Napoli)
        Talk_Durham_Ronca_2022.pdf
      • 5
        Seminar: analytic two loop amplitudes from finite fields
        Speakers: Ryan Moodie (Turin University), Ryan Moodie (University of Turin)
        slides.pdf
      • 10:00
        Coffee & Tea break
    • 13:00
      Lunch Outside OC218 (Ogden Building)

      Outside OC218

      Ogden Building
    • RRV OC218

      OC218

      IPPP

      automation, numerical stability

      • 6
        Seminar: OpenLoops (current and upcoming IR stability developments at one-loop)
        Speakers: Jonas Lindert (IPPP), Natalie Schär, Jonas Lindert (University of Sussex )
        YannickWorkshop_NSJL.pdf
      • 15:00
        Coffee & Tea break
    • 7
      Conference Dinner Nadon Thai

      Nadon Thai

      Nadon Thai 69/70 Crossgate, Durham DH1 4PR
  • Friday, 5 August
    • assembly & dirty tricks OC218

      OC218

      IPPP

      Monte Carlo, massification, jettification, NTS stabilisation etc.

      • 8
        Seminar: McMule Approach to/at N3LO (Pt. 1)
        Speaker: Marco Rocco (PSI)
        fks3.pdf
      • 9
        Seminar: McMule Approach to/at N3LO (Pt. 2)
        Speaker: Tim Engel (Paul Scherrer Institute & University of Zurich)
        massification_realcorr.pdf
      • 10:00
        Coffee & Tea break
    • 12:30
      Lunch Outside OC218 (Ogden Building)

      Outside OC218

      Ogden Building
    • Open Discussion: Summary & Homework, departure & sightseeing OC218

      OC218

      IPPP
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