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2024 ATLAS-CMS Flavour Tagging Workshop

→ Europe/Zurich
Grand Hotel Savoia, Via Arsenale Di Terra 5, Genoa, 16126, Italy
Dan Guest (Humboldt University of Berlin (DE)), Francesco Armando Di Bello (INFN e Universita Genova (IT)), Sebastian Wuchterl (CERN), Spandan Mondal (Brown University (US))
Description

Joint workshop to review the latest progress and plan the coming work in the context of jet flavour classification algorithms and their calibrations within the ATLAS and CMS collaborations.

This workshop is organised by Istituto Nazionale di Fisica Nucleare (INFN) - Sezione di Genova and by Dipartimento di Fisica, Università di Genova.

 

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2024 ATLAS-CMS Flavour Tagging Workshop: plenary
Zoom Meeting ID
64560712654
Host
Francesco Armando Di Bello
Useful links
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Zoom URL
  • Mon, September 9
    • 8:20 AM → 2:00 PM
      Plenary: Algorithms in ATLAS and CMS: resolved and boosted
      Conveners: Alexandre De Moor (Vrije Universiteit Brussel (BE)), Ming-Yan Lee (Rheinisch Westfaelische Tech. Hoch. (DE)), Nicole Michelle Hartman (TUM (DE)), Samuel Van Stroud (UCL)
      slido link
      slido-questions-QR-code.png
      Wednesday Venue
      • 9:00 AM
        Welcome and introduction 30m
        Speaker: Francesco Armando Di Bello (INFN e Universita Genova (IT))
        2024-09-09_FTAG-WS-Genoa_Intro (1).pdf
      • 9:30 AM
        Flavour Tagging in ATLAS and CMS: an overview 25m

        20+5

        Speaker: Fabrizio Parodi (Università degli Studi e INFN Genova (IT))
        FtagIntroWS24.pdf
      • 9:55 AM
        Tracking and vertexing in ATLAS 20m
        Speaker: Jackson Carl Burzynski (Simon Fraser University (CA))
        ATLAS_CMS_FTAG_Workshop_2024.pdf
      • 10:15 AM
        Tracking and vertexing in CMS 20m
        Speaker: Dr Marco Musich (Universita & INFN Pisa (IT))
        MM_Tracking_Vertexing_FTAG-1.pdf
      • 10:35 AM
        Tracking and vertexing - discussion 15m
      • 11:00 AM
        Coffee break 30m
      • 11:30 AM
        FTAG algorithms in ATLAS 20m
        Speaker: Philipp Gadow (CERN)
        2024-09-09-FTAGWS-Algorithms-ATLAS.pdf
      • 11:50 AM
        FTAG algorithms in CMS 20m
        Speaker: Alexandre De Moor (Vrije Universiteit Brussel (BE))
        Genova CMS-ATLAS final-2.pdf
      • 12:10 PM
        Algorithms - discussion 15m
      • 12:25 PM
        Boosted bb/cc tagging in ATLAS 20m
        Speaker: Jackson Barr (UCL)
        2024-09-09-FTAG-Workshop.pdf
      • 12:45 PM
        Boosted bb/cc tagging in CMS 20m
        Speaker: Raffaele Angelo Gerosa (Universita & INFN, Milano-Bicocca (IT))
        RG_FTAG_Boosted_bb_cc.pdf
      • 1:05 PM
        Boosted bb/cc tagging - discussion 15m
      • 1:20 PM
        Boosted top/W/Z tagging in CMS 20m

        15+5

        Speaker: Fabio Iemmi (Chinese Academy of Sciences (CN))
        ATLAS_CMS_FTAG_workshop.pdf
    • 2:00 PM → 3:00 PM
      Lunch break 1h

      Lunch at http://www.mercatodelcarmine.it/

    • 7:20 PM → 9:20 PM
      Social event: Welcome Drink @ Banano Tsunami

      See the venue website

  • Tue, September 10
  • Wed, September 11
    • 9:00 AM → 1:00 PM
      Plenary: Invited talks: machine learning, modelling (theory), flash talk (open submission)
      Conveners: Andrea Coccaro (INFN Genova (IT)), Carlo Schiavi (INFN e Universita Genova (IT))
      slido link
      slido-questions-QR-code.png
      Wednesday Venue
      • 9:00 AM
        Machine learning for flavour tagging - overview and future prospects 20m
        Speaker: Huilin Qu (CERN)
        FTAG_ML_20240911_H_Qu.pdf
      • 9:20 AM
        Theory talk on b- and c-jets labelling 20m
        Speaker: Prof. Simone Marzani (Università di Genova and INFN Sezione di Genova)
        marzani-atlas-cms.pdf
      • 9:40 AM
        flavor-tagging at LHCb 20m
        Speaker: Quentin Führing (Technische Universitaet Dortmund (DE), University of Cambridge (UK))
        qfuehring_ft_lhcb.pdf
      • 10:00 AM
        b-tagging at FCC 20m
        Speaker: Dr Andrea Sciandra (Brookhaven National Laboratory (US))
        Sciandra_FCC_Genova_ATLAS_CMS_FTAG_WS.pdf
      • 10:20 AM
        Measuring and modelling fragmentation functions at LHC 20m
        Speaker: Miha Muskinja (Jozef Stefan Institute (SI))
        miham_9_11_2024_FTAG_Genova.pdf
      • 10:40 AM
        FTAG usage in physics analyses: an overview in ATLAS and CMS 20m
        Speaker: Giacinto Piacquadio (State University of New York (US))
        Sep11_FlavorTagginginATLASandCMSAnalyses.pdf
      • 11:00 AM
        Coffee break 30m
      • 11:30 AM
        flash talk: Maskformer for Vertex Reconstruction 15m
        Speakers: Nikita Ivvan Pond (UCL), Samuel Van Stroud (UCL)
        2024-09-08-ftagws-maskformer.pdf
      • 11:45 AM
        flash talk: Investigating the impact of 4D Tracking in ATLAS Beyond Run 4 15m
        Speaker: Lorenzo Santi (Sapienza Universita e INFN, Roma I (IT))
        240911 - FTagTiming.pdf
      • 12:00 PM
        flash talk: Finetuning foundation models for joint analysis optimization 15m
        Speaker: Matthias Vigl (Technische Universitat Munchen (DE))
        FM_FTAG_Genova.pdf
      • 12:15 PM
        Big Data Democracy 15m
        Speaker: Claudio Muselli (INFN-Milan Section/University of Milan)
        BigDataDemocracy.pdf
        BigDataDemocracy.pptx
    • 1:00 PM → 9:00 PM
      Free afternoon
    • 3:00 PM → 5:00 PM
      Visit to Basilica di Carignano
  • Thu, September 12
    • 9:00 AM → 1:00 PM
      Plenary: b-jet triggers and FTAG software
      Conveners: BinBin Dong (Michigan State University (US)), Bo Liu (Chinese Academy of Sciences (CN)), Jieun Choi (Hanyang University (KR)), Liaoshan Shi (UCL (GB)), Ming-Yan Lee (Rheinisch Westfaelische Tech. Hoch. (DE))
      slido link
      slido-questions-QR-code.png
      Wednesday Venue
      • 9:00 AM
        b-jet triggers in ATLAS 20m
        Speaker: Stefano Franchellucci (Universite de Geneve (CH))
        240912_ftagWS_bjetTrig.pdf
      • 9:20 AM
        b-jet triggers in CMS 20m
        Speaker: Jieun Choi (Hanyang University (KR))
        FTAG2024_bjetTrigger_CMSpdf.pdf
      • 9:40 AM
        Parking Trigger Strategy in CMS 20m
        Speaker: Marko Stamenkovic (Brown University (US))
        20240902_ATLAS_CMS_FTAG_Workshop.pdf
      • 10:00 AM
        Object tagging and machine learning at the CMS L1 Trigger 20m
        Speaker: Sioni Paris Summers (CERN)
        sps_ftag_mlatl1.pdf
      • 10:20 AM
        Trigger - discussion 15m
      • 10:35 AM
        Flavor Tagging Efficiency Parametrisations with Graph Neural Networks in ATLAS 20m

        15+5
        Classifying the flavour of hadronic jets, a process known as jet flavour-tagging, is crucial for analyses targeting final states featuring b or c-hadrons. Many of these analyses rely on Monte Carlo simulated samples to model the signal and background processes: in such cases, when stringent jet- flavour-tagging selections are applied to the candidate events, modelling the simulated processes can be challenging, especially when the selection discards a significant portion of the simulated statistic. In such cases, techniques that weight the events with their probabilities of being selected, rather than accepting or discarding them straightaway, enable a better usage of the simulated data. The precision of these techniques relies on an accurate parametrization of the dependency of the jet flavour-tagging efficiency function over the conditions under which the jets are produced. In this talk, an innovative technique to parameterize this function using GNNs is described, along with its implementation in the context of the measurement of the (W/Z)H, H → bb/cc process, which marks its inaugural application.

        Speaker: Martino Tanasini (Stony Brook University (US))
        Flavour-tagging efficiency parametrisation with GNNs in ATLAS-5.pdf
      • 11:00 AM
        Coffee Break 30m
      • 11:30 AM
        FTAG ML Pipeline in ATLAS 15m
        Speaker: Dmitrii Kobylianskii (Weizmann Institute of Science (IL))
        atlas_ml_pipeline.pdf
      • 11:45 AM
        FTAG ML Pipeline & training framework in CMS 15m
        Speaker: Alexander Jung (RWTH Aachen University (DE))
        slides.pdf
      • 12:00 PM
        ML Pipeline - discussion 15m
      • 12:15 PM
        FTAG from Recommendation to User in ATLAS 15m
        Speaker: Zhuoran Feng (Nikhef National institute for subatomic physics (NL))
        FromRecommedationToUser-ATLAS.pdf
      • 12:30 PM
        FTAG from Recommendation to User in CMS 15m
        Speaker: Jan van der Linden (Ghent University (BE))
        FTAG-2024-SFtoUsers-JvdL-final_v10_final_final.pdf
      • 12:45 PM
        Recommendation - discussion 15m
    • 1:00 PM → 3:00 PM
      Lunch break 2h

      Lunch at http://www.mercatodelcarmine.it/

    • 7:30 PM → 9:30 PM
      Social event: Dinner @ Bistrot Palazzo Rosso

      See the venue website

  • Fri, September 13