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2017:groups:sm:start [2017/06/07 10:14] andreas.papaefstathiou [Comprehensive Two-Prong Study] |
2017:groups:sm:start [2017/06/09 15:41] gudrun.heinrich |
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* [[2017:groups:sm:list_sm|List of participants]] | * [[2017:groups:sm:list_sm|List of participants]] | ||
- | + | * [[2017:working_groups:jets | Jets]] | |
- | ===== Jet Physics Subgroup ===== | + | * [[2017:working_groups:nnlo | NNLO ]] |
- | + | ||
- | 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, Andreas Papaefstathiou ** | + | |
- | + | ||
- | * **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! |