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18th International Workshop on Boosted Object Phenomenology, Reconstruction, Measurements, and Searches at Colliders

from Monday, 13 July 2026 (08:00) to Friday, 17 July 2026 (14:30)


        : Sessions
    /     : Talks
        : Breaks
13 Jul 2026
14 Jul 2026
15 Jul 2026
16 Jul 2026
17 Jul 2026
AM
08:30
Registration (until 09:00)
09:00
BOOST Camp (until 10:30)
09:00 BOOST camp (experiment) - Nurfikri Norjoharuddeen (Lappeenranta-Lahti University of Technology (FI))  
09:45 BOOST camp (theory) - Andrea Ghira (TUM)  
10:30 --- Coffee Break ---
11:00
Welcome to Krakow! (until 11:15)
11:15 Introduction (experiment) - Nicole Michelle Hartman (TUM (DE))  
09:00
Boosted-object tagging (until 10:20)
09:00 Transforming Boosted Jet Tagging with the ATLAS Detector: ML algorithms and their performance - Osama Karkout (Nikhef National institute for subatomic physics (NL))  
09:20 Boosted jet tagging and calibration in the CMS experiment - Congqiao Li (Peking University (CN))  
09:40 The study of boosted jet identification and tagging at CMS - Donato Troiano (Universita e INFN, Bari (IT))  
10:00 Lund Plane to Bloch (LP2B) Encoding for Object and Polarization Tagging with Quantum Jet Substructure - Tommaso Tedeschi (Universita e INFN, Perugia (IT))  
10:20 --- Coffee Break ---
10:50
Large-radius jet calibration and regression (until 11:30)
10:50 Calibration and uncertainties of large-radius jets with ATLAS LHC Run2 data - Yicong Huang (Charles University (CZ))  
11:10 Transformer models for kinematic regression of R=0.4 and R=1.0 bottom-quark jets in ATLAS - Snigdho Chakraborty (University of Warwick (GB))  
11:30
Measurements and searches with boosted objects (until 12:30)
11:30 Boosted W/top mass and substructure at ATLAS and CMS - Conrado Munoz Diaz (Riga Technical University (LV))  
11:50 Extended Scalar Sector and Heavy Vector-Like Searches with ML-based jet-taggers in CMS - Christos Leonidou (University of Cyprus (CY))  
12:10 Search for boosted Higgs boson productions at ATLAS - Gabriel Facini (University of London (GB))  
09:00
New measurements from RHIC and archived data (until 10:20)
09:00 Jet Results in p+p Collisions at STAR - Taoya Gao (Shandong University)  
09:20 Recent jet and event-shape observable results from the Electron-Positron Alliance - Shuangyi (Bill) Zhou (Vanderbilt University)  
09:40 Measurement of Spin and Quantum Correlations in Z → τ+ τ- Decays at LEP with DELPHI - Chen-Hua Hsu (National Taiwan University (TW))  
10:00 Extraction of Quark and Gluon Jets with CMS Open Data - Van Dung Le (Helsinki Institute of Physics)  
10:20 --- Coffee Break ---
10:50
Jet quenching and heavy-ion substructure (until 12:30)
10:50 [TBC] Jet Results in Heavy Ions at STAR - Monika Robotková (Nuclear Physics Institute, Czech Academy of Sciences)  
11:10 Studying the scale dependence of QCD with ALICE - Nima Zardoshti (CERN)  
11:30 First unfolded measurement of the jet quenching effect with Z+jet events in PbPb and pp collisions at 5.36 TeV with Run 3 data - Raffaele Delli Gatti (Universita e INFN Trieste (IT))  
11:50 Probing jet quenching via jet substructure measurements in Pb+Pb collisions with ATLAS - Petr Balek (AGH University of Krakow (PL))  
12:10 Bottom-up approach to describe groomed jet data in heavy-ion collisions - Diogo Costa (Universidad de Granada)  
09:00
Event shapes, showers and substructure (until 10:20)
09:00 Event Isotropy in perturbative QCD - Daniele Atzori (LPTHE Paris & INFN Genova)  
09:20 Jet fragmentation at next-to-single log (NSL) for general cuts - Alexander Fraley (University of Manchester)  
09:40 Searching for New Physics Inside Jets with the Herwig 7 Generalised Parton Shower - Joon-Bin Lee (Seoul National University (KR))  
10:00 Machine learning fully hadronic events with spectral functions - Kazuki Sakurai (University of Warsaw)  
10:20 --- Coffee Break ---
10:50
Novel methods from information theory and ML (until 12:30)
10:50 QCD Theory meets Information Theory - Benoit Assi (Fermilab)  
11:10 When Do ML Uncertainties Fail? - A PDF fit case study - Nina Elmer (University of Cambridge)  
11:30 Using Agentic AI Without Losing the Physics: Lessons from LEP Data Analysis - Hannah Bossi (Massachusetts Inst. of Technology (US)) Anthony Badea (University of Chicago (US))  
11:50 Going HyPER (and beyond): geometric machine learning methods for collider data analysis - Ethan Lewis Simpson (The University of Manchester (GB))  
12:10 New event-wide strategies for increasing di-Higgs efficiency with Machine Learning at trigger level - Ana Rita Ferreira Carvalho (Instituto Superior Técnico and Laboratory of Instrumentation and Experimental Particle Physics (PT))  
09:00 Summary (theory) - Matteo Cacciari (LPTHE Jussieu)  
10:00 --- Coffee Break ---
10:30 Summary (experiment) - Hannah Bossi (Massachusetts Inst. of Technology (US))  
11:30
Closing Remarks: Thank You! & BOOST 2027 (until 12:00)
PM
12:00 Introduction (theory) - Simone Caletti (Università degli Studi di Torino, INFN Torino and ETH Zurich)  
12:45 --- Lunch break ---
14:00
Jet reconstruction, calibration and performance (until 15:20)
14:00 Progress in reconstructing, classifying and calibrating hadronic objects in ATLAS - Fang-Ying Tsai (Stony Brook University (US))  
14:20 Jets and missing transverse momentum performance in Run 3 of the CMS experiment - Theodoros Chatzistavrou (Helsinki Institute of Physics(FI))  
14:40 Particle Flow reconstruction for CMS phase 2 - Andreas Hinzmann (Deutsches Elektronen-Synchrotron (DE))  
15:00 Machine Learning Approaches to the Calibration of the Signals and their Classification as Pile-up in the ATLAS Calorimeters - Mr Buddhadeb Mondal (Czech Academy of Sciences (CZ))  
15:20 --- Coffee Break ---
15:50
Energy flow and correlators (until 16:30)
15:50 One point charge correlator in DELPHI Open Data - Jingyu Zhang (Vanderbilt University (US))  
16:10 Resolved four-point energy-energy correlators: phenomenology, and measurement in Z+Jets events at CMS - Simon Rothman (Massachusetts Inst. of Technology (US))  
16:30
Triggers and real-time inference (until 17:10)
16:30 Ultra-Fast Hadronic Tagging at 40 MHz: Machine Learning for the CMS Phase-2 Level-1 Trigger - Santeri Laurila (CERN & Helsinki Institute of Physics (FI))  
16:50 Real-time jet substructure tagging at the ATLAS hardware trigger - Tianjia Du (University of Chicago (US))  
17:30
Poster session (until 18:30)
17:30 Unlocking Hadronic W/Z Boson Polarization Measurements via decorrelation methods - Amartya Rej (Technische Universitaet Dortmund (DE))  
17:34 Preference-Optimized Generative Models for Underconstrained Inference in Particle Physics - Yi-Ren Wu (National Taiwan University (TW))  
17:38 Classifying hadronic objects in ATLAS with ML/AI algorithms - Maria Hernandez Sanz  
17:42 Hunting for H+→τν with the ATLAS Run 2 data - Julia Leszczynska (Polish Academy of Sciences (PL))  
17:44 Global Particle Transformer for boosted jet tagging and mass regression in CMS - Congqiao Li (Peking University (CN))  
17:46 Heavy-flavor production inside jets with double-muon tagging in pp collisions at √s = 5.02 TeV - Dr Gian Michele Innocenti (Massachusetts Inst. of Technology (US))  
17:48 Evidence of the dead-cone effect in bottom quark-initiated jets at the CMS experiment - Jennifer Roloff (Brown University (US))  
17:50 Search for new particles decaying into top quark-antiquark pairs in proton-proton collisions at √s = 13 TeV - Haifa Rejeb Sfar (The State University of New York SUNY (US))  
17:52 Searches for Heavy Vector-Like Quarks with ML-based jet-taggers in CMS - Petar Maksimovic (Johns Hopkins University (US))  
17:54 Search for low-mass resonances decaying into a quark-antiquark pair produced with an initial state photon at √s = 13 TeV - Adam Albert Kobert (Rutgers State Univ. of New Jersey (US))  
17:56 Pushing the Discovery Frontier: Extended Scalar Sector Searches with ML-​based Jet Taggers at CMS - Christos Leonidou (University of Cyprus (CY))  
17:58 Search for nonresonant triple Higgs boson production in the six b quark final state in proton-proton collisions at CMS - Xinyue Geng (Peking University (CN))  
18:00 Measurement of the differential cross section with respect to jet mass in Z+jets events - Aritra Mandal (The State University of New York SUNY (US))  
12:30 --- Lunch Break ---
14:00
Flavour tagging (until 15:40)
14:00 Transforming Flavour Tagging with the ATLAS Detector: ML tools and calibration techniques - Greta Brianti (Nikhef)  
14:20 Jet flavor tagging developments and performance in the CMS experiment - Philipp Gadow (Hamburg University (DE))  
14:40 Jet flavour tagging studies for e+e- collisions at FCC-ee - Apranik Fatehi (University of Hamburg - CERN - DESY)  
15:00 Hidden Flavor Information in Kinematics of Particle Flows at the Large Hadron Collider - Sung Hak Lim (IBS CTPU-PTC)  
15:20 Calibration of a Transformer-Based Quark/Gluon Tagger in ATLAS - Samuel Jankovych (Nikhef National institute for subatomic physics (NL))  
15:40 --- Coffee Break ---
16:10
Heavy flavour and new physics in jets (until 17:50)
16:10 The study of heavy flavour jets at CMS - Dr Gian Michele Innocenti (Massachusetts Inst. of Technology (US))  
16:30 Inclusive Dijet and Heavy Flavour Jet Production at ATLAS - Lee Sawyer (Louisiana Tech University (US))  
16:50 Phenomenology of heavy flavour jet angularities at hadron colliders - Andrea Ghira (TUM)  
17:10 Lund jet planes of hidden and double-open heavy-flavor jets - Paul Ghinderelli Matthew Nguyen (Centre National de la Recherche Scientifique (FR)) Cristian Baldenegro (Massachusetts Inst. of Technology (US)) Florian Damas (UNESP - Universidade Estadual Paulista (BR))  
17:30 Jet Substructure Observables as Probes of Heavy Neutrino Polarization in Boosted W′ Decays at the HL-LHC - Songshaptak De (Jožef Stefan Institute)  
12:30 --- Lunch Break ---
14:00
Excursion and conference dinner (until 21:00)
12:30 --- Lunch Break ---
14:00
Negative-weight mitigation for MC simulation (until 15:20)
14:00 Resummed Distribution Functions: Making Perturbation Theory Positive and Normalized - Radha Mastandrea  
14:20 Cell Reweighting and Unbinned Validation for Negative-Weight Mitigation using Optimal Transport - Jennifer Roloff (Brown University (US))  
14:40 Positive Smeared Matrix Elements at Next-to-Leading Order - Rikab Gambhir (University of Cincinnati)  
15:00 Reducing Negative Weights with Machine Learning - Sophia Vent  
15:20 --- Coffee Break ---
15:50
Anomaly detection and model-agnostic searches (until 17:30)
15:50 Recent Results from Anomaly Detection Searches on CMS - Petar Maksimovic (Johns Hopkins University (US))  
16:10 Searches for new physics with the ATLAS detector - Antti Pirttikoski (Universite de Geneve (CH))  
16:30 Autoencoder-based ABCD matrix method for anomaly detection - Rafal Maselek  
16:50 Anomaly detection for multi-jet resonances - Chitrakshee Yede (Hamburg University (DE))  
17:10 Searches for new particles decaying into a quark-antiquark pair at √s=13 TeV - Adam Albert Kobert (Rutgers State Univ. of New Jersey (US))  
17:30
IAC Meeting (until 18:30)
12:00 --- Lunch Break ---