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Parton Radiation and Fragmentation from LHC to FCC-ee

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503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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David d'Enterria (CERN), Peter Skands (Monash University (AU))
Description

Aims and Scope

This workshop aims to gather theorists and experimentalists working in the fields of QCD jets, jet (sub)structure, and parton-to-hadron fragmentation.

The current state of the art and open questions will be surveyed, and put in the context of the potential for decisive new measurements offered by the extremely high statistics and clean environment of future e+e- colliders. 

The workshop forms part of the FCC-ee WG5: QCD & gamma-gamma physics, and follows on from a Workshop on precision alphaS determinations held in late 2015. The combined output from these two workshops will be used to inform a Yellow Report scheduled for 2017. To facilitate this, contributors will be asked to provide brief summaries in a proceedings-style writeup.

The table below, from arXiv:1602.05043, summarises key expected luminosities, running times, and event numbers, at the various FCC-ee CM energies:

Expected Luminosities and Event Numbers at FCC-ee

Topics for discussion at this workshop include:

  • How are the current limitations in precision e+e- constraints affecting theoretical studies, such as:

    • Fragmentation-function determinations

    • Validations of jet substructure techniques

    • Quark-gluon jet discrimination methods

    • Hadronisation corrections.  

  • Interplay with hadron colliders from LHC to FCC-hh. Precision modelling of LHC fragmentation corrections currently benefits vitally from the legacy of e+e- colliders. What is the set of FCC-ee measurements that will be most crucial to inform the next-generation fragmentation models for the FCC-hh, especially in light of new questions raised by LHC? 

  • What decisive new measurements become possible with the huge jet statistics accessible at an FCC-ee with 1012 Z's at sqrt(s)=mZ; 108 W's at sqrt(s)=mWW; and 106 Higgs bosons at sqrt(s)=240 GeV

  • What are the systematic errors that the FCC-ee detectors should target in order to match the expected statistical precision, or where that is not possible, what are the important theoretical targets that should be met or exceeded?

  • What fiducial coverage, resolutions, and detector capabilities (such as particle ID) will be required to fully exploit the potential for QCD measurements? 

  • Interplay with the rest of the FCC-ee precision program. What are the most crucial QCD measurements / uncertainties / constraints ? What improvements will be most crucial to reach the desired accuracies?

  • What is the current size of the theoretical uncertainties: missing higher orders, electroweak corrections, power corrections, hadronization corrections,... ?

  • What is the expected .... uncertainty in ~10 years from now: theoretical developments, plus O(1 ab-1) p-p at 14 TeV at the LHC ?

Organisers:

Peter Skands (chair), David d'Enterria

Download Proceedings template tar.gz file
Participants
67 View full list
  • Monday 21 November
    • 08:55 → 09:00
      NOTE MONDAY SESSIONS TAKE PLACE IN FILTRATION PLANT (BLDG 222) 5m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 09:00 → 09:10
      Welcome 10m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: David d'Enterria (CERN), Peter Skands (Monash University (AU))
      FCCee-intro.pdf
    • 09:10 → 09:45
      Parton Fragmentation Functions 35m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Anselm Vossen, Anselm Vossen
      FCC_ee_VossenV3.pdf
    • 09:45 → 10:10
      Splitting Functions at NNLO 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: S. Moch (UHH)
      tmlk-cern.pdf
    • 10:10 → 10:35
      Neural Network Fragmentation Functions 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Valerio Bertone, Valerio Bertone (NIKHEF)
      bertone_PartonRadiationAndFragmentation_21_11_2016.pdf
    • 10:35 → 11:00
      Break 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 11:00 → 11:35
      Parton Showers since LEP 35m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Peter Richardson, Peter Richardson (CERN & IPPP, Durham University)
      cern-ee.pdf
    • 11:35 → 12:00
      Jet Substructure and Small-Radius Jets 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Mrinal Dasgupta (University of Manchester (GB)), Mrinal Dasgupta (Unknown)
      SmallR.pdf
    • 12:00 → 12:25
      Quark vs Gluon Jets 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Gregory Soyez (IPhT, CEA Saclay)
      qg.pdf
    • 12:25 → 12:50
      Gluon vs. quark fragmentation from LEP to FCC-ee 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Klaus Hamacher (Bergische Uni Wuppertal), Klaus Hamacher (Fachbereich C / Physik-Bergische Universitaet Wuppertal)
      Hamacher-FCCee.pdf
    • 13:10 → 14:15
      Lunch 1h 5m
    • 14:15 → 14:20
      NOTE MONDAY SESSIONS TAKE PLACE IN FILTRATION PLANT (BLDG 222) 5m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 14:20 → 14:45
      Distinguishing quark and gluon jets at the LHC 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Giorgia Rauco (Universitaet Zuerich (CH))
      FCCee16_qgtaggingLHC_Rauco.pdf
    • 14:45 → 15:10
      Jet charge determination at the LHC 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Stano Tokar (Comenius University (SK))
      11-21_JetCharge_FCC-ee_tokar.pdf
      11-21_JetCharge_FCC-ee_tokar.pptx
    • 15:10 → 15:35
      Application of quark-gluon jet discrimination and its uncertainty 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Yasuhito Sakaki (KEK)
      FCC-ee_SAKAKI.pdf
    • 15:35 → 16:00
      Break 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 16:00 → 16:35
      Colour Reconnections from LEP to Future Colliders 35m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Torbjorn Sjostrand (Lund University (SE))
      fcc16.pdf
    • 16:35 → 17:00
      Colour Reconnections in PP Collisions 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Christian Bierlich (Lund University (SE))
      bierlich_fccee.pdf
    • 17:00 → 17:25
      Baryon Production and Correlations from LEP to FCC-ee 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Stefan Kluth (Max-Planck-Institut fur Physik (DE))
      fcceews16_talk.pdf
    • 17:25 → 18:00
      Bose-Einstein and Fermi-Dirac Correlations 35m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Wesley Metzger (Nikhef National institute for subatomic physics (NL))
      talk.pdf
    • 18:00 → 19:00
      Informal Discussions in R1 1h R1

      R1

      CERN
  • Tuesday 22 November
    • 08:55 → 09:00
      NOTE TUESDAY MORNING SESSION TAKES PLACE IN FILTRATION PLANT (BLDG 222) 5m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 09:00 → 09:25
      Challenges in heavy-quark fragmentation 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speakers: Gennaro Corcella (INFN - LNF), Gennaro Corcella (Unknown)
      corcella_hq.pdf
    • 09:25 → 09:50
      Heavy Quark Fragmentation and the Dead Cone 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Michele Selvaggi (CERN)
      deadcone_fccee.pdf
    • 09:50 → 10:15
      g->bb Studies at LHC 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Ben Nachman (SLAC National Accelerator Laboratory (US))
      FCCeegbb.pdf
    • 10:15 → 10:40
      Break 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 10:40 → 11:05
      Jet Broadening and Angularities from LEP to FCC-ee 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Jim Talbert (University of Oxford)
      FCCee2016.pdf
    • 11:05 → 11:30
      Resummation of jet rates and event-shape distributions in e+e- 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Pier Francesco Monni (CERN)
      FCCee.pdf
    • 11:30 → 11:55
      C Parameter at NNNLL’ 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Mr Vicent Mateu Barreda (Autonomous University of Madrid)
      Article on fits to alphaS
      Article with theoretical developments
      mateu-Parton.pdf
    • 11:55 → 12:20
      First Monte Carlo analysis of fragmentation functions from single-inclusive e+e- annihilation 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: nobuo sato (jlab)
      main.pdf
    • 12:40 → 13:45
      Lunch 1h 5m
    • 13:45 → 13:50
      NOTE TUESDAY AFTERNOON SESSIONS TAKE PLACE IN COUNCIL CHAMBER 5m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 13:50 → 14:15
      Fragmentation Functions from Belle 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Anselm Vossen
      FFsAtBelle_Vossen.pdf
    • 14:15 → 14:40
      Fragmentation Functions from BaBar 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Fabio Anulli (Universita e INFN, Roma I (IT))
      FCC-ee-CERN2016-BaBar.pdf
    • 14:40 → 15:05
      Fragmentation functions at NNLO and their small-z logarithmic corrections 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Daniele Anderle (University of Manchester)
      FCC-ee.pdf
    • 15:05 → 15:30
      Fragmentation functions at low-z at NNLO*+NNLL 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: David d'Enterria (CERN)
      dde_FFs_NNLO_NNLL.pdf
    • 15:30 → 15:50
      Break 20m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 15:50 → 15:55
      NOTE TUESDAY AFTERNOON SESSIONS TAKE PLACE IN COUNCIL CHAMBER 5m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 15:55 → 16:20
      The Role of Quark Spin in Hadronisation 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Hrayr Matevosyan (University of Adelaide)
      Hrayr_Matevosyan-FCC_ee-2016.pdf
    • 16:20 → 16:45
      The Helix String 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Sarka Todorova (Centre National de la Recherche Scientifique (FR))
      fcc2016.pdf
    • 16:45 → 17:10
      Jet reconstruction algorithms in e+e- 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Marcel Vos (IFIC Valencia (ES))
      jetsLC.pdf
    • 17:10 → 17:35
      Observables sensitive to Coherence in ee Collisions 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Simon Plätzer (DESY)
      slides.pdf
    • 17:35 → 18:00
      QCD splitting-function dependence on evolution variable 25m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Speaker: Staszek Jadach (Polish Academy of Sciences (PL))
      2016-nov-cern.pdf
    • 18:00 → 19:00
      Informal Discussions in R1 1h R1

      R1

      CERN
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