NLO and parton showers miniWorkshop

Europe/Zurich
TH Theory Conference Room (CERN)

TH Theory Conference Room

CERN

Fabio Maltoni (Universite Catholique de Louvain (BE)), Michelangelo Mangano (CERN), Paolo Nason (Univ. degli Studi Milano-Bicocca (IT)), Stefano Frixione (CERN)
Description
The main goal of the Workshop is to discuss the theoretical issues emerging from the development and study of event generators based on NLO matrix elements and full parton shower evolution. Among the topics to be addressed in the workshop are the following: 1) Accuracy in NLO+PS; nominal accuracy: NLO, (N)LL, leading colour limitations, etc. 2) Differences between different formulations (differences between MC@NLO and POWHEG, etc.) 3) How to estimate uncertainties in NLO+PS: - what to vary, - uncertainties in the NLO implementation, - uncertainties inherent to the shower interface, - uncertainties inherent to the shower. 4) Validation of NLO+PS: where are we now, and alternative validation procedures. 5) future developments in NLO+PS The Workshop will be centered on a few focused invited talks, to trigger ample and open discussions. Time permitting, we shall consider having a session with short individual contributions on other recent developments in this area. EVO connection will be available: the link will appear on the agenda page 30' before the start of the meeting
Participants
  • Adam Kardos
  • Albert De Roeck
  • Andreas Papaefstathiou
  • Bennie Ward
  • Bryan Webber
  • Carlo Oleari
  • Cathy Bernaciak
  • costas papadopoulos
  • Dart-yin Soh
  • David Christopher Hall
  • David Kosower
  • Emanuele Re
  • fabio maltoni
  • Frank Siegert
  • Frank Tackmann
  • fulvio piccinini
  • Guenter Grindhammer
  • Jeppe Rosenkrantz Andersen
  • Juan J. Lopez-Villarejo
  • Keith Hamilton
  • Leif Lönnblad
  • Luca Barzè
  • Maciej Skrzypek
  • Marek Schoenherr
  • Maria Vittoria Garzelli
  • Mathias Ritzmann
  • Mauro Chiesa
  • mauro moretti
  • Michelangelo Mangano
  • Nasuf Sonmez
  • Paolo Nason
  • Paolo Torrielli
  • Qiang Li
  • Rikkert Frederix
  • Ronan McNulty
  • Simon Plätzer
  • Simone Alioli
  • Stanislaw JADACH
  • Stefan Hoeche
  • Stefan Prestel
  • Tania Robens
  • Thilo Pauly
  • Tom Melia
  • Torbjörn Sjöstrand
  • Zbigniew Was
  • Zoltan Nagy
  • Zoltan Trocsanyi
  • Monday, 27 February
    • 09:30 09:50
      MC@NLO vs. POWHEG, opportunities and limitations 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Stefan Hoeche (University of Zurich)
      Slides
    • 10:10 10:30
      Improving MC@NLO simulations with Catani-Seymour subtraction 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speakers: Marek Schoenherr (Technische Universitaet Dresden (DE)), Marek Schoenherr (Technische Universitaet Dresden (DE))
      Slides
    • 10:50 11:10
      NLO developments in Herwig++ 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Mr Simon Plaetzer (ITP, Universitaet Karlsruhe)
      Slides
    • 11:30 11:50
      Coffee break 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

    • 11:50 12:10
      Matrix elements merging in Pythia8 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Stefan Prestel
      Slides
    • 12:30 12:50
      aMC@NLO 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speakers: Rikkert Frederix, Rikkert Frederix (Universitaet Zuerich (CH))
      Slides
    • 13:10 14:30
      Lunch break 1h 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

    • 14:30 14:50
      A common view on MC@NLO and POWHEG generators 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Paolo Nason (Univ. degli Studi Milano-Bicocca (IT))
      Slides
    • 15:10 18:30
      Discussion Session TH Theory Conference Room

      TH Theory Conference Room

      CERN

  • Tuesday, 28 February
    • 09:00 09:20
      Photons with POWHEG in Herwig++ 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speakers: Peter Richardson, Dr Peter Richardson (Durham University)
      Slides
    • 09:40 10:00
      W production and decay including EW corrections in the POWHEG BOX 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Fulvio Piccinini
      Slides
    • 10:20 10:40
      Merging NLO+PS with ME+PS 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Keith Hamilton
      Slides
    • 11:00 11:20
      Coffee break 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

    • 11:20 11:40
      CKKW at NLO 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speakers: Leif Ingvar Lonnblad (Lund University (SE)), Leif Lonnblad
      Slides
    • 12:00 12:20
      On the alternative to POWHEG and MC@NLO method of introducing NLO corrections to hard process -- the KRKMC methodology 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Staszek Jadach (Polish Academy of Sciences (PL))
      Slides
    • 12:40 13:00
      Interplay of IR-Improved DGLAP-CS Theory and NLO Parton Shower MC Precision 20m TH Theory Conference Room

      TH Theory Conference Room

      CERN

      Speaker: Bennie Ward (Baylor University (US))
      Slides
    • 13:00 14:00
      Lunch break 1h TH Theory Conference Room

      TH Theory Conference Room

      CERN

    • 14:00 18:00
      Discussion (no EVO connection) 4-2-011 - TH common room

      4-2-011 - TH common room

      CERN

      40
      Show room on map
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