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Topics in NLO QCD

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TH Theory Conference Room (CERN)

TH Theory Conference Room

CERN
Michelangelo Mangano (CERN), Stefano Frixione (CERN and EPFL)
Description

 This month LHC physics day is dedicated to various aspects of precision predictions for hard QCD processes at the LHC. The emphasis will be on the determination of uncertainties, coming from the input PDFs and from the scale dependence of the calculations. In the afternoon there will be a session dedicated to computing issues, with a discussion of the main numerical bottlenecks limiting the performance of the existing codes.  

The meeting will be broadcast via EVO (detailed info will appear at the time of the meeting in the "Video Services" item on the left menu bar)

For those attending, information on accommodation, access to CERN and laptop registration is available from http://cern.ch/lpcc/visits

Participants
  • Ben Matthew Gripaios
  • Michelangelo Mangano
  • Simone Alioli
  • Stephen Ellis
    • 09:00 → 09:30
      Welcome coffee 30m 4/2-011 - TH common room

      4/2-011 - TH common room

      CERN

      15
      Show room on map

      Coffee offered in the TH common room, in front of the TH secretariat

    • 09:30 → 10:00
      PDF TH Theory Conference Room

      TH Theory Conference Room

      CERN
      • 09:30
        PDF progress 30m
        Speaker: James Stirling (Cambridge University)
    • 10:00 → 13:00
      Scale uncertainties at (N)NLO TH Theory Conference Room

      TH Theory Conference Room

      CERN
      • 10:00
        Introduction 30m
        Speaker: Michelangelo Mangano (CERN)
        Slides
      • 10:30
        W+jets systematics 30m
        Speaker: Daniel Maitre
      • 11:00
        W+jets: NLO vs matrix element systematics 30m
        Speaker: Kirill Melnikov
      • 11:30
        Discussion 30m
    • 13:00 → 14:00
      Lunch break 1h
    • 14:00 → 15:15
      TH seminar by J.Maldacena 1h 15m TH Theory Conference Room

      TH Theory Conference Room

      CERN
    • 15:30 → 17:30
      Computing issues at NLO TH Theory Conference Room

      TH Theory Conference Room

      CERN

      This session will focus on code optimization issues. Experts on software performance will be present to learn about the possible needs that emerge from demanding NLO calculations. They will give an overview of available software performance monitoring tools, and illustrate ongoing projects at CERN on multi-core CPU optimization. The goal of the session is to identify possible topics for cooperation towards the improvement of the CPU performance of NLO codes.

      • 15:30
        Software performance monitoring 30m
        Speakers: Daniele Francesco Kruse, vincenzo innocente (CERN)
        Slides
      • 16:00
        TBA 30m
        Speaker: Darren Forde
        Slides
      • 16:30
        TBA 30m
        Speakers: Rikkert Frederix, Rikkert Frederix
        Slides
      • 17:00
        GPUs for ME calculations, et al 20m
        Speaker: Jan-Christopher Winter (Fermilab)
        Slides
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