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MPI@LHC 2012, Workshop on Multi-Parton Interactions at the LHC

chaired by Hannes Jung (Deutsches Elektronen-Synchrotron), Judith Katzy (Deutsches Elektronen-Synchrotron), Michelangelo Mangano (CERN), Peter Skands (CERN)
from to (Europe/Zurich)
at CERN ( 4-3-006 - TH Conference Room )
Description
Welcome to the fourth International Workshop on Multiple Partonic Interactions at the LHC. To join the mailing list and receive future information on the meeting, follow this link:
http://simba3.web.cern.ch/simba3/SelfSubscription.aspx?groupName=mpi-2012
 
The aim of this workshop on Multiple Partonic Interactions (MPI) at the LHC is to raise the profile of MPI studies, summarising the legacy from the phenomenology at previous hadron colliders, reviewing the LHC results and fostering contact between the theoretical and experimental communities.

MPI are experiencing a growing popularity and are widely invoked to account for observations that cannot be explained otherwise: the activity of the Underlying Event, the rates for multiple heavy flavour production, the survival probability of large rapidity gaps in hard diffraction, etc. At the same time, the implementation of MPI effects in Monte Carlo generators is quickly proceeding at an increasing level of sophistication and complexity, which can have far reaching implications for LHC physics. The ultimate ambition of this workshop is to promote MPI as a unifying concept between apparently distinct lines of research, to profit from experimental progress in order to constrain their implementation in models, and to evaluate their impact on the LHC physics program.

Four working groups have been formed, to prepare, through 2012, material to be discussed at the Workshop:

  1. MPI and diffraction. Conveners: M.Poghosyan (ALICE), A.Pilkington (ATLAS), N.Cartiglia (CMS), D.Volyanskyy (LHCb), F.Ferro (TOTEM)
  2. MPI and small-x. Conveners: H.Abramowicz (ATLAS), H.Jung (CMS)
  3. MPI and double-parton scattering. Conveners: E.Dobson (ATLAS), A.Moraes (ATLAS), P.Bartalini (CMS), X.Janssen (CMS), R.Muresan (LHCb), D.Treleani
  4. MPI and MC development: J.Katzy, F.Krauss, Z.Nagy, T.Rogers (see http://mpi12-mc.desy.de/)

A preliminary meeting, organized at Tel Aviv University, is scheduled to take place on Oct 14-18: http://physics.tau.ac.il/mpitau/

For a compilation of commented references to relevant papers on the theory and experimental results on MPIs, see
http://ppewww.physics.gla.ac.uk/~moraes/MPI/Theory.html
http://ppewww.physics.gla.ac.uk/~moraes/MPI/Experiment.html

Previous meetings in this series:
MPI@LHC'11 DESY, Hamburg, Germany
MPI@LHC'10 Glasgow, Scotland
MPI@LHC'08 Perugia, Italy


Information on access to CERN and laptop registration is available from http://lpcc.web.cern.ch/LPCC/index.php?page=visit
Go to day
  • Monday, 3 December 2012
    • 09:00 - 11:40 Inelastic cross sections (NOTICE CHANGE OF MTG ROOM)
      Location: 222-R-001 - Filtration Plant
      • 09:00 CMS: New results on cross section and diffraction 25'
        Speaker: Anna Zsigmond (Hungarian Academy of Sciences (HU))
        Material: Slides pdf file
      • 09:25 ALICE: pp Inelastic and diffractive cross-section measurements 25'
        Speaker: Jean-Pierre Revol (CERN)
        Material: Slides pdf file
      • 09:50 TOTEM: Inelastic cross section and forward particles multiplicity 25'
        Speaker: Giuseppe Latino (Sezione di Pisa (IT))
        Material: Slides powerpoint file pdf file
      • 10:15 ATLAS: Inelastic cross section measurements 25'
        Speaker: Oldrich Kepka (Acad. of Sciences of the Czech Rep. (CZ))
        Material: Slides pdf file
      • 10:40 Coherence and saturation the solution of KGBJS equation and resummed BK 15'
        Speaker: Dawid Toton
        Material: Slides pdf file
      • 10:55 Unintegrated gluon distribution and saturation effect in p-p at LHC energies 15'
        Speaker: Gennady Lykasov (Joint Inst. for Nuclear Research (RU))
        Material: Slides powerpoint file pdf file
      • 11:10 Coffee break 30'
    • 11:40 - 13:00 First pA results
      Location: 222-R-001 - Filtration Plant
      • 11:40 CMS: Two-particle correlations in pPb collisions 25'
        Speaker: Yen-Jie Lee (CERN)
        Material: Slides powerpoint file pdf file
      • 12:05 LHCb: First look at the pA pilot run 25'
        Speaker: Michael Schmelling (Max-Planck-Gesellschaft (DE))
        Material: Slides pdf file
    • 13:00 - 14:00 Lunch break
    • 14:00 - 15:15 MB event properties
      • 14:00 LHCb: Review of latest MB results 25'
        Speaker: Andrea Contu (INFN CAGLIARI (IT))
        Material: Slides pdf file
      • 14:25 CMS: New results on multiplicites and particle spectra 25'
        Speaker: Ferenc Sikler (Wigner RCP, Budapest (HU))
        Material: Slides pdf file
      • 14:50 CMS: New results on underlying event physics 25'
        Speaker: Mr. Mohammed Zakaria (University of Florida (US))
        Material: Slides pdf file
    • 15:15 - 17:00 Jets and UE properties
      • 15:15 ALICE: Measuring 'minijets' using two-particle angular correlations 25'
        Speaker: Eva Sicking (CERN)
        Material: Slides pdf file
      • 15:40 ATLAS: Jets, multijets, jet substructure 25'
        Speaker: Rebecca Thalatta Chislett (University of London (GB))
        Material: Slides pdf file
      • 16:05 CMS: Measurements of the energy flow and UE behaviour at forward rapidities 25'
        Speaker: Hans Jozef H Van Haevermaet (University of Antwerp (BE))
        Material: Slides pdf file
      • 16:30 ATLAS UE results 25'
        Speaker: Deepak Kar (University of Glasgow (GB))
        Material: Slides pdf file
    • 17:30 - 19:00 Welcome drink ( 61-1-201 - Pas perdus - Not a meeting room - )
  • Tuesday, 4 December 2012
    • 09:00 - 13:00 Monte Carlo
      • 09:00 Overview of MC models of MPI 40'
        Speaker: Andrzej Konrad Siodmok (KIT - Karlsruhe Institute of Technology (DE))
        Material: Slides pdf file
      • 09:40 MPI in EPOS and tuning 25'
        Speaker: Dr. Tanguy Pierog (KIT)
        Material: Slides pdf file
      • 10:05 Sherpa MPI including tuning 25'
        Speaker: Korinna Christine Zapp
        Material: Slides pdf file
      • 10:30 ATLAS tunes for MPI 20'
        Speaker: Sebastian Wahrmund (Technische Universitaet Dresden (DE))
        Material: Slides pdf file
      • 10:50 Coffee break 20'
      • 11:10 CMS: Measurement of strangeness production in the underlying event and comparison with simulations 20'
        Speaker: Tomas Hreus (Universite Libre de Bruxelles (BE))
        Material: Slides pdf file
      • 11:30 Inclusive observables of MPI 25'
        Speaker: Richard Dryden Field (University of Florida (US))
        Material: Slides powerpoint file pdf file
      • 11:55 A model of diffraction 20'
        Speaker: Konstantin Goulianos (The Rockefeller University)
        Material: Slides pdf file
      • 12:15 Recent developments on diffraction in pythia8 25'
        Speaker: Robert Ciesielski (Rockefeller University (US))
        Material: Slides pdf file
    • 13:00 - 14:00 Lunch break
    • 14:00 - 19:00 Diffraction
      • 14:00 Diffraction and MPI 40'
        Speaker: Eugene Levin
        Material: Slides pdf file
      • 14:40 Total, elastic and diffractive cross sections in TOTEM 25'
        Speaker: Jan Kaspar (Acad. of Sciences of the Czech Rep. (CZ))
        Material: Slides (corrected) pdf file
      • 15:05 ATLAS: MPI aspects of Rapidity gaps and forward Eflow 25'
        Speaker: Peter Alexander Wijeratne (University College London (UK))
        Material: Slides pdf file
      • 15:30 Diffraction at CMS 25'
        Speaker: Sercan Sen (University of Iowa (US))
        Material: Slides pdf file
      • 15:55 Coffee break 30'
      • 16:25 Soft and diffractive physics at LHCb 25'
        Speaker: Dermot Anthony Moran (University of Manchester (GB))
        Material: Slides pdf file
      • 16:50 Recent results from the Tevatron on exclusive and diffractive production 30'
        Speaker: Christina Mesropian (The Rockefeller University)
        Material: Slides pdf file
      • 17:20 Recent results from HERA on inclusive diffraction 30'
        Speaker: Paul James Laycock (University of Liverpool (GB))
        Material: Slides pdf file
  • Wednesday, 5 December 2012
    • 09:00 - 13:00 LHCC open session 4h0' ( 500-1-001 - Main Auditorium )
      Material: Agenda link
    • 13:00 - 14:00 Lunch break
    • 15:30 - 19:05 Small x
      • 15:30 Small-x issues, overview and connection to MPI 35'
        Speaker: Leif Lönnblad (Lund University (SE))
        Material: Slides pdf file
      • 16:05 MPI and High Energy QCD Showers 35'
        Speaker: Francesco Hautmann (Institute of Theoretical Physics)
        Material: Slides pdf file
      • 16:40 H1: final states and forward physics at HERA 20'
        Speaker: Guenter Grindhammer (MPI Muenchen)
        Material: Slides pdf file
      • 17:00 Coffee break 20'
      • 17:20 ATLAS: event shapes 25'
        Speaker: Claire Adam Bourdarios (Universite de Paris-Sud 11 (FR))
        Material: Slides pdf file
      • 17:45 CMS: forward jets and multiparton interactions 30'
        Speaker: Ilknur Hos (Cukurova University (TR))
        Material: Slides pdf file
      • 18:15 LHCb: Forward production studies at LHCb 30'
        Speaker: Patrick Spradlin (University of Glasgow (GB))
        Material: Slides pdf file
  • Thursday, 6 December 2012
    • 09:00 - 14:00 Double parton scattering, part 1
      • 09:00 Direct Measurement of DPS at ATLAS 30'
        Speaker: Iftach Sadeh (Tel Aviv University (IL))
        Material: Slides pdf file
      • 09:30 LHCb DPS measurements 30'
        Speaker: Vanya Belyaev (ITEP Institute for Theoretical and Experimental Physics (RU))
        Material: Slides powerpoint file pdf file
      • 10:00 ALICE: multiplicity dependence of open charm production 20'
        Speaker: Zaida Conesa Del Valle (CERN)
        Material: Slides pdf file
      • 10:20 EPOS2 25'
        Speaker: Klaus Werner
        Material: Slides pdf file
      • 10:45 Coffee break 20'
      • 11:05 DPS in pA 25'
        Speaker: Urs Wiedemann (CERN)
        Material: Slides powerpoint file pdf file
      • 11:30 A model of multi parton interactions 25'
        Speaker: Daniele Treleani (University of Trieste)
        Material: Slides pdf file
      • 11:55 Splitting diagrams in double logarithm approximation of pQCD 20'
        Speaker: Alexandre Snigirev (M.V. Lomonosov Moscow State University (RU))
        Material: Slides pdf file
      • 12:15 Kinematic correlations in double J/psi production 20'
        Speaker: Nikolay Zotov (M.V. Lomonosov Moscow State University (RU))
        Material: Slides pdf file
      • 12:35 Double c-cbar production 20'
        Speaker: Antoni Szczurek (I)
        Material: Slides pdf file
    • 14:00 - 18:00 Free time for informal discussions
  • Friday, 7 December 2012
    • 09:00 - 14:00 Double parton scattering, part 2
      • 09:00 MPI theory overview 40'
        Speaker: Jonathan Gaunt (University of Cambridge)
        Material: Slides pdf file
      • 09:40 Double parton interactions, correlations and underlying event 30'
        Speaker: Mark Strikman
        Material: Slides pdf file
      • 10:10 Double parton interactions 30'
        Speaker: Yuri Dokshitzer
        Material: Slides pdf file
      • 10:40 Coffee break 20'
      • 11:00 CMS DPS results 25'
        Speaker: Ramandeep Kumar (Panjab University (IN))
        Material: Slides pdf file
      • 11:25 Extracting sigma_eff from the CDF measurement 25'
        Speaker: Miroslav Myska
        Material: Slides pdf file
      • 11:50 Angular modulations in double parton scattering 25'
        Speaker: Tomas Kasemets (DESY)
        Material: Slides pdf file
      • 12:15 A Model Construction of Self-similarity based Double Parton Distribution Functions for proton-proton collision at LHC 20'
        Speaker: Akbari Jahan
        Material: Slides pdf file
      • 12:35 Double Parton Scattering Contributions in W bb and Z b b at the LHC 25'
        Speaker: Ed Berger (Argonne National Laboratory (US))
        Material: Slides pdf file