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2017:groups:sm:start

This is an old revision of the document!


SM Working Group: Loops, Multi-legs and Jets (to be updated)

Jet Physics Subgroup

We have a slack channel: jetsatleshouches2017. Here is the invite link:

https://join.slack.com/jetsatleshouches2017/shared_invite/MTk0Njc1MDY2MzQzLTE0OTY4MTY5ODctMmMxMmQwYjQyMw

Please join for coordination of the various projects!

Please add your name to the relevant topic if you are interested in contributing.

  • Convener: Jesse Thaler
  • Sub-convener: Gregory Soyez

Comprehensive Two-Prong Study

  • Leader: Peter Loch loch@physics.arizona.edu
  • Participants: Jesse Thaler, Gregory Soyez, Andrzej Siodmok, Deepak Kar, Reina Camacho, Frédéric Dreyer, Suman Chatterjee, Disha Bhatia, Grigorios Chachamis, Tousik Samui, Ian Moult
  • NEW: kick-off meeting: Wednedsay 10am, QCD room
  • Detector Effects
  • Understand ATLAS/CMS differences in grooming/discrimination
  • Compare recent tools
  • Study performance and robustness
  • W boson polarization
  • Get event samples

Strong Coupling Extraction

  • Leaders: Ben Nachman, Ian Moult
  • Participants: Jesse Thaler, Gregory Soyez, Andrzej Siodmok, Frédéric Dreyer, Daniel Maitre, Suman Chatterjee, Disha Bhatia, Grigorios Chachamis, Maroa Vittoria Garzelli, Andrew Larkoski, Simone Marzani, Tousik Samui, Philippe Gras, Peter Richardson,
  • NEW: Kickoff meeting, Wednesday, QCD Room, 2:30pm
  • Use groomed jets (e.g. soft drop with varying β) at (N)NLL accuracy
  • Pursue tricks to separate quark/gluon composition
  • Estimate experimental uncertainties (10 percent?)
  • Relevant for running coupling at high scales
  • Comparison to 3-jet/2-jet ratios for sensitivity

Quark/Gluon Followup Study

  • Leader: TBD
  • Participants: Ben Nachman, Andrzej Siodmok, Deepak Kar, (Frédéric Dreyer), Adil Jueid, Grigorios Chachamis, Andreas Papaefstathiou, Joey Huston, Kenneth Long, Peter Richardson, …
  • Use quark/gluon tagging for PDF determination
  • Use LEP data (b bbar g) for gluon jet constraints (e.g. Skands with ALEPH)
  • Use in vector boson scattering, vector boson fusion
  • Use in Higgs plus jet
  • Also quark vs. gluon vs. pileup

Additional Topics for Lunch/Dinner/Bar

  • Heavy ion jet shapes (pp, pA, AA)
    • Participants: Jesse Thaler, Gregory Soyez, Ben Nachman, Frédéric Dreyer, Grigorios Chachamis, Leif Lönnblad, …
  • Jet substructure to understand parton shower subtleties
    • Participants: Jesse Thaler, Gregory Soyez, Ben Nachman, Deepak Kar, Reina Camacho, Josh McFayden, Frédéric Dreyer, Suman Chatterjee, Peter Loch, Jueid Adil, Leif Lönnblad, Ian Moult, Andreas Papaefstathiou, Philippe Gras …
    • Identify experimental results
    • Non-global obseravbles, color correlations
  • Heavy flavor married with jet substructure
    • Participants: Jesse Thaler, Gregory Soyez, Ben Nachman, Reina Camacho, Josh McFayden, Frédéric Dreyer, Hua-Sheng Shao, Leif Lönnblad, Maria Vittoria Garzelli, Philippe Gras
    • Use bottom/charm tags with subjet momentum fractions
    • Complications of fragmentation functions
    • Charmonium fragmentation in jets
  • Track-based observables
    • Participants: Jesse Thaler, Gregory Soyez, Ben Nachman, Frédéric Dreyer, Ian Moult, Philippe Gras …
    • Relevant for improved angular resolution at ATLAS/CMS/future collider
    • Use generalized fragmentation functions (e.g. jet charge)
  • Truth Fat Jet Definition
    • Participants: Deepak Kar, …
  • Jet algorithms and R dependence at (N)NLO
    • Participants: Gregory Soyez, Frédéric Dreyer,Suman Chatterjee, Joey Huston, Philippe Gras …
    • Advice: Measure as many R as possible!
2017/groups/sm/start.1496822074.txt.gz · Last modified: 2017/06/07 09:54 by jesse.thaler