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14th MCnet Meeting

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503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

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Description

Rooms:

  • MCnet Management meeting Wednesday 23/11/2016, 09.00 to 12.30 - room 4/S-030. 
  • Network Meeting starting at 2pm on Wednesday 23/11/2016 - Council Chamber
  • Thursday and Friday - TH Conference Room 4-3-006. 

Click on the link at '4-3-006 TH Conference Room' below to access the CERN online map.

Participants
  • Andreas Maier
  • Andreas Papaefstathiou
  • Andrzej Konrad Siodmok
  • Ann Durie
  • Bryan Webber
  • Celine Degrande
  • Chris Pollard
  • Christian Bierlich
  • Claire Faichnie
  • David Grellscheid
  • David Yallup
  • Eleni Vryonidou
  • Fabio Maltoni
  • Frank Krauss
  • Frasher Loshaj
  • Frédéric Stichelbaut
  • George Savvidy
  • Graeme Nail
  • Haitao Li
  • Harsh Shah
  • Helen Brooks
  • Holger Schulz
  • Ilkka Helenius
  • Jenni Smillie
  • Jennifer Thompson
  • Jeppe Andersen
  • Johan Thorén
  • Johannes Bellm
  • Jonathan Butterworth
  • Karl Nordstrom
  • Kiran Ostrolenk
  • Korinna Zapp
  • Leif Lönnblad
  • Lorenzo Magnea
  • Manuel Baehr
  • Michael Rauch
  • Michael Russell
  • Mike Seymour
  • Nadine Fischer
  • olivier mattelaer
  • Patrick Kirchgaesser
  • Peter Richardson
  • Peter Schichtel
  • Peter Skands
  • Piero Ferrarese
  • Radek Podskubka
  • Simon Platzer
  • Spyridon Argyropoulos
  • Stefan Richter
  • Steffen Schumann
  • Stephen Webster
  • Torbjörn Sjöstrand
support
  • Wednesday, 23 November
    • MCnetITN Management Meeting: Management Meeting 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 12:30
      Lunch 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • Special Session: CERN TH Colloquium 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 1
      Welcome 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Goals for the New Network
    • Special Session: External and Industry 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • Student and Postdoc Talks 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      • 5
        Introduction

        I will briefly introduce myself and talk about my studentship project.

        Speakers: Karl Anders Nordstrom (Deutsches Elektronen-Synchrotron (DE)), Karl Nordstrom (University of Glasgow)
        introduction.pdf
      • 6
        Introduction

        David Yallup introduction.

        Speaker: David Yallup (University College London)
        MCNetIntro.pdf
      • 7
        Introduction

        Introduction

        Speaker: Dr Andreas Maier (Durham IPPP)
        intro_andreas_maier.pdf
      • 8
        Introduction

        Introduction again.

        Speaker: Kiran Ostrolenk (University of Manchester)
        Presentation (2).pdf
      • 9
        Living Resource: Warm-Up Discussion
        Speakers: David Grellscheid, David Grellscheid (IPPP Durham)
    • Fourth Session:: 19.30hrs Le Coq Rouge, 1 Place de la Fontaine, Saint Genis Pouilly
  • Thursday, 24 November
    • Student & Postdoc Only 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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    • Overview Talks 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      • 10
        Sherpa Overview
        Speaker: Steffen Schumann (Georg-August-Universitaet Goettingen)
        sherpa_mcnet.pdf
      • 11
        Herwig Overview
        Speaker: Simon Platzer (University of Durham (GB))
        slides.pdf
      • 12
        Pythia Overview
        Speaker: Peter Skands (Monash University (AU))
        16-MCnet-Pythia.pdf
    • Overview Talks 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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    • 12:30
      Lunch 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • Overview Talks 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      • 15
        Ariadne/Dipsy Overview
        Speaker: Leif Lönnblad (Lund University (SE))
        CERN16b.pdf
      • 16
        HEJ Overview
        Speaker: Jennifer Smillie (Higgs Centre for Theoretical Physics, Edin. U.)
        MCnetOverview.pdf
    • Discussion: Goals of the New Network 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      MCnetITN3.pdf
      MCnetITN3.pptx
      MCref comments
      MCref proposal
    • Student and Postdoc Talks 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      • 17
        Top EFT at NLO in QCD Progress within MG5_aMC
        Speaker: Eleni Vryonidou (Nikhef)
        MCNETvryonidou.pdf
      • 18
        The Contur method

        A short overview of the Contur method, constraining new physics with standard model signatures.

        Speaker: David Grellscheid
        CERN_MCnet_Contur.pdf
      • 19
        Photon-photon interactions in e+e- collisions with Pythia 8

        Photon-photon interactions arising from the photons emitted by high-energy leptons will generate inevitable background processes for future electron-positron colliders. Therefore means to accurately simulate these interactions are required in order to study the realistic physics potential of these future experiments. We have been working on an implementation of these interactions into Pythia 8 Monte-Carlo generator. We will first discuss what are the relevant processes in these interactions and how these can be generated using equivalent photon approximation and parton distribution functions for resolved photons. Then we will present our recent developments including options to simulate also soft QCD processes and multiple partonic interactions in resolved photon-photon collisions. Combining these with unresolved processes enables full simulations of particle production in photon-photon interactions from lepton beams. The results for charged particle and jet production are compared to data from LEP experiments. The comparisons indicate that multipartonic interactions do play a role also in photon-photon collisions but further studies are still required to obtain accurate description of the data.

        Speaker: Dr Ilkka Helenius (Tübingen University)
        HeleniusMCnet2016.pdf
      • 20
        Thermodynamical String Fragmentation

        We study a few possible modifications to the Pythia string fragmentation: a new model for generating the transverse momentum of hadrons, inspired by thermodynamics, the effect of close-packing of strings, and a simple model for hadron rescattering. We present the modified predictions and compare to data as well as to default Pythia.

        Speaker: Nadine Fischer (Monash University)
        mcnet-nadine.pdf
      • 21
        MCplots
        Speaker: Laurence Field (CERN)
        2016-VC-MCNet.pdf
        2016-VC-MCNet.pptx
  • Friday, 25 November
    • Student and Postdoc Talks 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      • 22
        Top tagging with deep neural networks

        The identification of so-called 'boosted' objects; heavy particles whose decay products are highly collimated in the detector, is now a standard part of the event reconstruction toolbox at the LHC. Several QCD-inspired methods that exploit the different signatures between heavy particle decays and soft QCD backgrounds are now well-established. An intriguing new paradigm; 'Jet Images', has recently been proposed, which makes use of training deep neural network algorithms designed for image/facial recognition software, but applies them in the context of classifying boosted event topologies at the LHC. I will discuss an application of these methods to identifying hadronically decaying tops. I show how these methods can offer comparable or even superior performance to currently-used taggers, and speculate on what physics features the network may be learning.

        Speaker: Michael Russell (University of Glasgow)
        russell.pdf
      • 23
        A new model for soft interactions in Herwig

        _

        Speaker: Mr Patrick Kirchgaesser (KIT)
        SoftQCD.pdf
      • 24
        A framework for second-order parton showers

        A framework is presented for including second-order perturbative corrections to the radiation patterns of parton showers. The formalism allows to combine $O(\alpha_s^2)$-corrected iterated 2$\to$3 kernels for "ordered" gluon emissions with tree-level 2$\to$4 kernels for "unordered" ones. The combined Sudakov evolution kernel is thus accurate to $O(\alpha_s^2)$. As a first step towards a full-fledged implementation of these ideas, we develop an explicit implementation of 2$\to$4 shower branchings in this letter.

        Speaker: Haitao Li (Monash)
        NLO_showers.pdf
      • 25
        NLO QCD and EW calculations with Recola and Sherpa

        Precision in Monte Carlo predictions is becoming increasingly important as experiments continually improve. One key way this is achieved in Monte Carlo event simulations is to include the higher-order effects from perturbation theory in the matrix element calculation. This has been completed at NLO QCD, and progress is already being made into NNLO QCD automation. At this level of precision, NLO EW effects also become significant, and I will talk about the inclusion of NLO EW effects to the matrix element with the SHERPA event generator.

        Speaker: Jennifer Thompson (Durham University)
        MCnet_thompson.pdf
    • Discussion: MCrefs 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      MCnetITN3.pdf
      MCnetITN3.pptx
      MCref comments
      MCref proposal
    • Discussion: Living Resource 4/3-006 - TH Conference Room

      4/3-006 - TH Conference Room

      CERN

      110
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      MCnetITN3.pdf
      MCnetITN3.pptx
      MCref comments
      MCref proposal
    • 12:30
      Lunch 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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