2026 CMS-ATLAS Flavour Tagging Workshop

from Monday, 6 July 2026 (09:00) to Friday, 10 July 2026 (20:00)
University of Florence (Università degli Studi di Firenze - Centro Didattico Morgagni)

        : Sessions
    /     : Talks
        : Breaks
6 Jul 2026
7 Jul 2026
8 Jul 2026
9 Jul 2026
10 Jul 2026
AM
10:00 Registration  
11:00
Plenary - Angela Maria Burger (Centre National de la Recherche Scientifique (FR)) Alessandro Calandri (Università & INFN, Firenze (IT)) (until 18:00)
11:00 Welcome from Physics Department & INFN Florence - Prof. Vitaliano Ciulli (Universita e INFN, Firenze (IT)) Dr Giovanni Passaleva (INFN Florence (IT))  
11:10 Welcome and introduction - Alessandro Calandri (Università & INFN, Firenze (IT))  
11:15 Overview of Flavour Tagging in ATLAS and CMS - Sebastian Wuchterl (CERN)  
11:40 Tracking and vertexing in ATLAS - Heather Gray (UC Berkeley/LBNL)  
11:55 Tracking and vertexing in CMS - Kai Kang (Vrije Universiteit Brussel (BE))  
12:10 Discussion  
12:20 Jets reconstruction in ATLAS - Brendon Bullard (SLAC National Accelerator Laboratory (US))  
12:35 Jets reconstruction in CMS - Nurfikri Norjoharuddeen (Lappeenranta-Lahti University of Technology (FI))  
12:50 Discussion  
13:00 --- Lunch break ---
14:20 Tau reconstruction in ATLAS - Nadav Michael Tamir (Tel Aviv University (IL))  
14:35 Tau reconstruction in CMS - Michal Bluj (National Centre for Nuclear Research (PL))  
14:50 Discussion  
15:00 Inputs on MC modeling relevant for FTAG in CMS - Lorenzo Viliani (Universita e INFN, Firenze (IT))  
15:20 Inputs on MC modeling relevant for FTAG in ATLAS - Dr Federico Sforza (University and INFN Genoa)  
15:40 --- Coffee break ---
16:10 Discussion  
16:30 Flavour tagging at LHCb - Borja Sevilla Sanjuan (La Salle, Ramon Llull University (ES))  
16:50 Theory talk on b- and c-jets labelling [remote] - Ludovic Michel Scyboz Ludovic Scyboz (University of Oxford) Ludovic Scyboz Ludovic Michel Scyboz (Monash University)  
09:00
Plenary - Spandan Mondal (Brown University (US)) Valentina 🐧 Vecchio (University of Manchester) (until 14:00)
09:00 Summary of software/FTAG frameworks ATLAS - Alexander Froch (Universite de Geneve (CH))  
09:20 Summary of software/FTAG framework CMS - Ulrich Willemsen (Rheinisch Westfaelische Tech. Hoch. (DE))  
09:40 Discussion  
09:55 Small-radius jets ATLAS - Dmitrii Kobylianskii (Weizmann Institute of Science (IL))  
10:15 Small-radius jets CMS - Pavlo Kashko (Vrije Universiteit Brussel (BE)) Alexandre De Moor (Vrije Universiteit Brussel (BE))  
10:35 Discussion  
11:00 --- Coffee break ---
11:30 Large-radius jets ATLAS - Edoardo Critelli (UCL (GB))  
11:50 Large-radius jets CMS - Congqiao Li (Peking University (CN))  
12:10 Discussion  
12:25 CMS ML-based Particle Flow reconstruction [remote] - Farouk Mokhtar (Univ. of California San Diego (US))  
13:00 --- Lunch break ---
09:00
Plenary - Martino Tanasini (Stony Brook University (US)) Sebastian Wuchterl (CERN) Tomas Kello (Universita e INFN, Firenze (IT)) Lorenzo Santi (CERN) (until 14:00)
09:00 b-jet calibrations and combinations CMS - Benedetta Camaiani (Universita e INFN, Firenze (IT))  
09:15 b-jet calibrations ATLAS - Cen Mo (Shanghai Jiao Tong University (CN))  
09:30 Discussion  
09:45 c- and light flavour jet calibration CMS - Agostino De Iorio (National Taiwan University (TW))  
10:00 c-jet calibration ATLAS [remote] - Andrew Mehta (University of Liverpool (GB))  
10:15 Light-flavour jet calibration ATLAS - Alex Gavin (University of London (GB))  
10:30 Discussion  
10:50 --- Coffee break ---
11:20 Continuous calibration CMS - Spandan Mondal (Brown University (US))  
11:35 MC-MC, high pt extrapolations and alternative methods ATLAS - Abderahmane Maiza (Julius Max. Universitaet Wuerzburg (DE))  
11:50 Discussion  
12:05 Boosted bb/cc calibration CMS - Matteo Marchegiani (Carnegie-Mellon University (US))  
12:20 Boosted bb/cc calibration ATLAS - Zonghuan Duan (Nanjing University (CN))  
12:35 Discussion  
13:00 --- Lunch break ---
09:00
Plenary - Dan Guest (Humboldt University of Berlin 📦) Alexandre De Moor (Vrije Universiteit Brussel (BE)) (until 14:00)
09:00 Commissioning of Run 3 trigger ATLAS - Stefano Franchellucci (Universitaet Bern (CH))  
09:20 HLT training and commissioning CMS - Uttiya Sarkar (Rheinisch Westfaelische Tech. Hoch. (DE))  
09:40 HLT Physics performance Run 3 CMS - Soumya Mukherjee (Univ. of California San Diego (US))  
10:00 Heavy-Flavour identification at HLT ATLAS - Lucas Bezio (Universite de Geneve (CH))  
10:20 Boosted Xbb ATLAS - Shota Izumiyama (Nagoya University (JP))  
10:40 AK8 ParticleNet for bb tagging CMS - Donato Troiano (Universita e INFN, Bari (IT))  
11:00 --- Coffee break ---
11:30 Overview of fast inference techniques for flavour tagging and beyond - Christopher Edward Brown (CERN)  
12:00 Re-analysis on ALEPH LEP data using modern jet-flavour tagging - Luka Lambrecht (Brown University (US))  
12:30 Workshop photo - Benedetta Camaiani (Universita e INFN, Firenze (IT))  
13:00 --- Lunch break ---
09:00
Plenary - Benedetta Camaiani (Universita e INFN, Firenze (IT)) Alexandre De Moor (Vrije Universiteit Brussel (BE)) (until 14:00)
09:00 FTAG usage in physics analyses and the role of ML: an overview in ATLAS and CMS - Loukas Gouskos (Brown University (US))  
09:30 ATLAS summary from CMS perspective - Alessandro Calandri (Università & INFN, Firenze (IT))  
09:50 CMS summary from ATLAS perspective - Valentina 🐧 Vecchio (University of Manchester) Angela Maria Burger (Centre National de la Recherche Scientifique (FR))  
10:10 Discussion  
10:30 --- Coffee break ---
11:00 Outlook: open questions and future CMS - Spandan Mondal (Brown University (US))  
11:20 Outlook: open questions and future ATLAS - Dan Guest (Humboldt University of Berlin 📦)  
11:40 Closing remarks - Alessandro Calandri (Università & INFN, Firenze (IT))  
13:00 --- Lunch break ---
PM
14:00
ATLAS/CMS parallels (until 18:00)
14:00
ATLAS/CMS parallels (until 18:00)
20:30 Workshop dinner  
14:00
ATLAS/CMS parallels (until 18:00)
14:00 Workshop social activities