Topical workshop on top quark differential distributions

Europe/Zurich
Cannes, France

Cannes, France

Alexander Mitov (University of Cambridge), Juan Rojo Chacon (CERN), Michal Czakon (RWTH Aachen)
Description

The Workshop aims at maximising the scientific opportunity presented by:

  • The forthcoming fully differential results for top pair production at NNLO, and
  • The post-Higgs-discovery restart of the LHC at maximum energy.

The meeting will bring together a group of experts in top physics and closely related subjects (parton distribution functions, parton showers, soft gluon resummation). The discussion will also be guided by the subtleties of experimental SM and bSM analyses.

The goal of the Workshop is to maximise the impact of the forthcoming fully differential NNLO results and help guide the need for further developments. Some questions that ideally will be addressed are:

  • What unstudied distributions will be of interest,
  • The role of soft and collinear resummation; where it is needed,
  • Impact on PDF's,
  • Transitioning to realistic final states: including top decays, finite width corrections, parton showers, etc.
  • Experimental issues,
  • "Requests" from bSM physics.

The format of the meeting will be 2 days of selected plenary talks with plenty of time for discussions. To maximise the scientific opportunity, the meeting will take place at the same location as, and will immediately precede, the annual Workshop Top2014. This will allow the participants to attend also the Top2014 Workshop (separate registration is required!). Ideally we would like to produce a concise White paper that summarises the findings and recommendations of the Workshop.

The meeting is by invitation only. If interested, please contact one of the organisers. 

Confirmed participants include: Maria Aldaya (DESY), Freya Blekman (Vrije), Alessandro Broggio (PSI), Fabrizio Caola (Johns Hopkins), Tancredi Carli (CERN), Roberto Chierici (CERN/Lyon), Amanda Cooper-Sarkar (Oxford), Michael Czakon (Aachen), Carmen Diez (DESY), Stefano Forte (Milano), Rikkert Frederix (CERN), Philip Ilten (MIT), James Keaveney (Brussels), Andreas Meyer (DESY), Alexander Mitov (Cambridge), Andrew Papanastasiou (DESY), Joao Pires (Milano), Stefan Prestel (DESY), Juan Rojo (CERN/Oxford), Jose Santiago (Granada), Markus Schulze (CERN), Francesco Spano (Royal Holloway), Roberto Tenchini (Pisa), Robert Thorne (UCL), Jan Winter (Munich), Malgorzata Worek (Aachen).  

This workshop is partially supported by the European Research Council Starting Grant 'PDF4BSM: Parton Distributions in the Higgs Boson Era'

    • 14:00 14:20
      Welcome note 20m
      Speaker: Alexander Dimitrov Mitov (University of Cambridge (GB))
      Slides
    • 14:20 16:20
      NNLO (part 1)
      • 14:20
        Top pair production 1h
        Speakers: Alexander Dimitrov Mitov (University of Cambridge (GB)), Michal Czakon (RWTH Aachen)
        Slides
      • 15:20
        Discussion 40m
    • 16:30 18:30
      NNLO (part 2)
      • 16:30
        Single top production 30m
        Speaker: Fabrizio Caola (Johns Hopkins University)
        Slides
      • 17:00
        Discussion 30m
      • 17:30
        Dijets 30m
        Speaker: Joao Pires (Milano Bicocca)
        Slides
      • 18:00
        Discussion 30m
    • 09:00 10:00
      Realistic Final States (part 1)
      • 09:00
        Top induced backgrounds to the Higgs production (20+10 min) 30m
        Speaker: Rikkert Frederix (CERN)
        Slides
      • 09:30
        Fixed order + parton showers (20+10 min) 30m
        Speaker: Stefan Prestel (Deutsches Elektronen-Synchrotron (DE))
        Slides
    • 10:30 12:00
      Realistic Final States (part 2)
      • 10:30
        Precision Top Quark Phenomenology with realistic final states (20+10 min) 30m
        Speaker: Markus Christian Schulze (CERN)
        Slides
      • 11:00
        Monte Carlo modelling issues in ttbar+jets production and friends (20+10 min) 30m
        Speaker: Jan-Christopher Winter (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)
        Slides
      • 11:30
        Top Quark Physics with HELAC-NLO (20+10 min) 30m
        Speaker: Dr Malgorzata Worek (Bergische Universitaet Wuppertal (DE))
        Slides
    • 14:00 16:00
      Discussion on experimental issues
      • 14:00
        Discussion 40m
        Speakers: Dr Francesco Spano (Royal Holloway, University of London (GB)), Maria Aldaya Martin (DESY)
        Slides
      • 14:40
        Top Measurement Prospect with LHCb 20m
        Speaker: Philip Ilten (Massachusetts Inst. of Technology (US))
        Slides
      • 15:00
        Discussion 1h
    • 16:30 18:30
      PDF's
      • 16:30
        Constraints on the gluon PDFs from differential measurements of top quark pair production 20m
        Speaker: Juan Rojo Chacon (University of Oxford (GB))
        Slides
      • 16:50
        Fitting ATLAS t-tbar differential distributions in the HERAPDF formalism 20m
        Speaker: Amanda Sarkar (University of Oxford (GB))
        Slides
      • 17:10
        Updates of PDFs and top quark production 20m
        Speaker: Prof. Robert Samuel Thorne (University College London (UK))
        Slides
      • 17:30
        Top at the LHC and Preview of CT14 20m
        Speaker: Prof. Joey Huston (Michigan State University (US))
        Slides
      • 17:50
        Discussion 40m
    • 09:00 10:00
      Approximate Higher Order Calculations
      • 09:00
        RG-improved fully differential predictions for top-pair production (20+10 min) 30m
        Speaker: Andrew Sofronis Papanastasiou (DESY)
        Slides
      • 09:30
        Approximate cross-sections from analyticity: the case of top pair production (20+10 min) 30m
        Speaker: Stefano Forte (Università degli Studi e INFN Milano (IT))
        Slides
    • 10:30 11:40
      BSM aspects
      • 10:50
        New Physics in ttbar+X resonances 20m
        Speaker: Jose Santiago (Granada University)
        Slides
      • 11:10
        Discussions 30m
    • 11:40 12:00
      Closing Remarks 20m
      Speaker: Alexander Dimitrov Mitov (University of Cambridge (GB))