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    19th International Workshop on Top Quark Physics (TOP2026)

    5–9 Oct 2026
    Antalya, Türkiye 🇹🇷
    Europe/Istanbul timezone

    TOP2026

    Contribution List

    62 out of 62 displayed
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    1. 16. Welcome
      Didar Dobur (Ghent University (BE))
      05/10/2026, 08:30
    2. 15. Keynote presentation
      Uli Haisch, Ulrich Andreas Haisch (University of Oxford (GB))
      05/10/2026, 08:45
    3. 56. Top results from LHCb
      05/10/2026, 09:30
    4. 24. Jet calibrations and flavor tagging (CMS)
      Francesco Romeo (Vanderbilt University)
      05/10/2026, 10:30
    5. 31. Jet calibrations and flavor tagging (ATLAS)
      Carlo Schiavi (INFN e Universita Genova (IT))
      05/10/2026, 11:00
    6. 49. How to unfold top decays
      Luigi Favaro (Universite Catholique de Louvain (UCL) (BE))
      05/10/2026, 11:30
    7. 25. ML usage in statistical interpretation (ATLAS/CMS)
      05/10/2026, 12:00
    8. 37. tt measurements (ATLAS/CMS)
      Luca Martinelli (INFN Sezione di Roma (IT))
      05/10/2026, 15:30
    9. 17. Single top measurements (ATLAS/CMS)
      Nils Faltermann (Karlsruher Institut für Technologie (DE))
      05/10/2026, 16:00
    10. 19. 3/4top measurements (CMS)
      Joscha Ahäuser (Karlsruher Institut für Technologie (DE))
      05/10/2026, 16:30
    11. 40. W/Z/gamma-associated measurements (ATLAS/CMS)
      05/10/2026, 17:30
    12. 18. tt+bb/cc/light measurements (ATLAS/CMS)
      David Kavtaradze (Ghent University (BE))
      05/10/2026, 18:00
    13. 44. NNLO event generation for ttH production
      Marius Wiesemann (Max Planck Institute for Physics)
      05/10/2026, 18:30
    14. 39. Higgs-associated measurements (ATLAS/CMS)
      Ian Brock (University of Bonn (DE))
      05/10/2026, 19:00
    15. 64. Evening lecture
      Ken Mimasu (University of Southampton)
      05/10/2026, 21:00
    16. 38. Modern MC generators (ATLAS/CMS)
      Teresa Barillari (Max Planck Society (DE))
      06/10/2026, 08:30
    17. 42. Quantum observables in top physics
      Kun Cheng (University of Pittsburgh)
      06/10/2026, 09:00
    18. 57. Towards NNLO QCD predictions for off-shell tt production and decays
      Luca Buonocore (CERN)
      06/10/2026, 09:30
    19. 45. Toponium with pNRQCD
      Benedikt Gurdon (RWTH Aachen)
      06/10/2026, 10:30
    20. 27. Theshold/Toponium measurements (ATLAS)
      Annika Stein (Johannes Gutenberg Universitaet Mainz (DE))
      06/10/2026, 11:00
    21. 20. Theshold/Toponium measurements (CMS)
      Beatriz Ribeiro Lopes (Ghent University (BE))
      06/10/2026, 11:30
    22. 41. Proton Structure from Neural Simulation-Based Inference
      Elie Hammou (Nikhef National institute for subatomic physics (NL))
      06/10/2026, 14:30
    23. 32. Simulation-based inference
      Ricardo Barrué (Marietta Blau Institute for Particle Physics)
      06/10/2026, 15:00
    24. 22. EFT interpretations (CMS)
      Niels Van den Bossche (MBI - Austrian Academy of Sciences (AT))
      07/10/2026, 08:30
      BSM
    25. 29. EFT interpretations (ATLAS)
      Lidia Dell'Asta (Università degli Studi e INFN Milano (IT))
      07/10/2026, 09:00
      BSM
    26. 46. ttH in the SMEFT framework
      Giuseppe Bevilacqua (Istituto Nazionale Fisica Nucleare (IT))
      07/10/2026, 09:30
      BSM
    27. 47. Loop-level sensitivities to four-quark operators
      Stefano Di Noi (KIT (ITP))
      07/10/2026, 10:00
      BSM
    28. 23. FCNC+rare interpretations (CMS)
      Reza Goldouzian (University of Notre Dame (US))
      07/10/2026, 11:00
      BSM
    29. 30. Searches for rare processes (ATLAS)
      Farida Fassi (Universite Mohammed V (MA))
      07/10/2026, 11:30
      BSM
    30. 48. Multi-top signals of vectorlike quarks
      Bogdan Dobrescu
      07/10/2026, 12:00
      BSM
    31. 14. Excursion
      07/10/2026, 13:30
    32. 58. Recent developments in Baryogenesis
      Oleksii Matsedonskyi (University of Cambridge)
      08/10/2026, 09:00
    33. 59. CPV in top and EW Baryogenesis
      Dorival Gonçalves (Oklahoma State University)
      08/10/2026, 10:30
    34. 60. CPV in top-Higgs coupling
      Dr Adil Jueid (Institute for Basic Science)
      08/10/2026, 11:00
    35. 54. Top mass (ATLAS)
      Wolfgang Wagner (Bergische Universitaet Wuppertal (DE))
      08/10/2026, 15:00
    36. 55. Rare SM measurements (ATLAS)
      James Alfred Mueller (University of Pittsburgh (US))
      08/10/2026, 15:30
    37. 21. Flavor measurements (CMS)
      Luigi Marchese (ETH Zurich (CH))
      08/10/2026, 16:00
    38. 33. CMS Joker 1
      08/10/2026, 17:00
    39. 35. ATLAS Joker 1
      08/10/2026, 17:30
    40. 36. ATLAS Joker 2
      08/10/2026, 18:00
    41. 34. CMS Joker 2
      08/10/2026, 18:30
    42. 65. Q&A session with drinks
      08/10/2026, 21:00
    43. 43. Top-quark spin entanglement and decoherence
      Dr Maria Moreno Llacer (Univ. of Valencia and CSIC (ES))
      09/10/2026, 08:30
    44. 53. Theory summary
      Michelangelo Mangano (CERN)
      09/10/2026, 09:00
    45. 50. Resonance-aware PS matching for off-shell tt in e+e-
      Daniele Lombardi (Max-Planck Institut für Physik), Daniele Lombardi
      09/10/2026, 09:45
    46. 51. Probing top-electron interactions at future colliders
      LUIGI BELLAFRONTE (IGFAE), Luigi Bellafronte (Florida State University)
      09/10/2026, 10:45
    47. 52. Experimental summary
      Alexander Grohsjean (Hamburg University (DE))
      09/10/2026, 11:45
    48. 61. TOP2027 Announcement
      09/10/2026, 12:30
    49. 62. Closing
      Didar Dobur (Ghent University (BE))
      09/10/2026, 12:40
    50. 12. AI-enhanced Tops: Machine learning tasks, and their interplay, for advancing top quark measurements
      Ethan Lewis Simpson (The University of Manchester (GB))
      Young Scientist Forum
      Young Scientist Forum

      Precision measurements in top-quark physics require accurate kinematic reconstruction, definition of interesting observables, and performant signal-to-background separation. This talk will introduce a supervised learning method for generic event reconstruction, highlighting its application to top-quark physics specifically in channels with multiple neutrinos. The approach will be contrasted...

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    51. 9. An Optimal Observable Machine for reinterpretable measurements in top quark physics
      Torben Mohr (Ghent University (BE))
      Young Scientist Forum
      Poster Session

      Precision measurements in top quark physics increasingly rely on machine-learning techniques, yet their outputs are often difficult to publish in a form that enables future reinterpretation. We present the Optimal Observable Machine (OOM), a machine-learning framework that constructs unfoldable generator-level observables optimized for the extraction of a parameter of interest. The training...

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    52. 1. Are quantum observables sensitive to CP-violation in $t\bar{t}$ pairs?
      Olimpia Miniati
      Young Scientist Forum
      Young Scientist Forum

      Within the framework currently adopted for the description of the fundamental interactions, the particles involved in high-energy collisions are expected to exhibit a basic quantum behaviour.
      As a consequence of this statement, a novel class of "quantum" observables for collider studies naturally arises, whose physical interpretation is rooted in the characteristics of the underlying quantum...

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    53. 3. Big Dipper, Help Me Find A Way -- Dip-hunting at hadron colliders
      Diego Baron (The University of Manchester (GB))
      Young Scientist Forum
      Young Scientist Forum

      Machine-learning (ML) methods are increasingly important in collider searches, particularly in scenarios where conventional analysis strategies lose sensitivity. For instance, in searches for heavy top-philic scalar resonances, destructive interference between signal and Standard Model (SM) contributions can strongly distort the invariant-mass spectra and suppress the performance of...

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    54. 10. Four-top-quark production at the LHC: NLO+NNLL predictions and uncertainties
      Michele Lupattelli (Muenster University)
      Young Scientist Forum
      Young Scientist Forum

      The production of four top quarks is one of the rarest Standard Model processes accessible at the LHC, where it was observed in 2023. Studying this process offers valuable insights into the top-quark Yukawa coupling and may reveal new physics. Thus, comparing theoretical predictions with current and future measurements is a crucial test for the Standard Model.
      I will present state-of-the-art...

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    55. 6. Modelling of $b$-jets in the $pp \to t\bar{t}b\bar{b}$ process in the $2\ell$ channel at the LHC
      Manal Alsairafi
      Young Scientist Forum
      Young Scientist Forum

      I present full off-shell predictions of the production of a top quark pair in association with flavoured jets in the $2\ell$ decay channel at the LHC. Thereby reporting results of the NLO QCD computation for the $pp\to e^+ \nu_e \, \mu^- \bar{\nu}_\mu + nb +X$ process, where $n=3,4$. This calculation includes all resonant and non-resonant diagrams as well as interferences and finite width...

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    56. 13. Precise and Comprehensive Top Quark Reconstruction at the LHC
      Zihan Zhang (The University of Manchester (GB))
      Young Scientist Forum
      Young Scientist Forum

      Precision measurements at LHC and HL-LHC require reconstruction of the full event kinematics to derive the observables of interest, a task complicated by two distinct source of ambiguity: the kinematics of neutrinos, which escape the detector undetected, and parton origin of the observed final states. We present VyPER, a Graph Neural Network that provides comprehensive event reconstruction...

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    57. 7. Quantum Observables and Their Sensitivity to Fundamental Interactions at Polarized Lepton Colliders
      Priyanka Lamba
      Young Scientist Forum
      Young Scientist Forum

      High-energy colliders probe fundamental interactions through direct searches and precision measurements. In the absence of direct signals for new physics, it is important to identify complementary observables that can enhance sensitivity to different underlying dynamics. Conventional observables such as total cross sections and asymmetries have been widely used for indirect searches, but they...

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    58. 2. Top quark mass interpretation from simulation of top-flavoured mesons
      Alexander Lind (INFN Laboratori Nazionali di Frascati (LNF))
      Young Scientist Forum
      Young Scientist Forum

      The interpretation of the top quark mass measurements in terms of well-known field theory definitions has been the topic of a long-standing discussion. In this work we reconsider this issue and simulate fictitious top-flavoured mesons, whose mass can be related to any top mass definition, such as the pole mass, by means of Heavy Quark Effective Theory. We explore final-state observables for...

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    59. 8. Top Quark Pair Production and Decay: The 1-Higgs-Singlet Model and Pseudoscalar Decay
      Vishakha Lingadahally

      The process of top quark pair production through the decay of the scalars in the 1 Higgs Singlet extension of the Standard Model is associated with large interference effects between the loop-induced 'SM-like' Higgs and heavy Higgs amplitudes, and the QCD continuum background. We attach leptonic decays to the di-top final state at NLO and study the effects of spin correlation in the process....

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    60. 4. Toponium effects on quantum steering and Bell nonlocality of top quarks
      Sergio Rodríguez Benítez (Instituto de Física Teórica IFT-UAM/CSIC)
      Young Scientist Forum
      Young Scientist Forum

      Recent LHC measurements near the $t\bar{t}$ production threshold show a cross-section enhancement consistent with a toponium bound state. This work provides the first comprehensive assessment of how toponium affects advanced quantum correlations, specifically quantum steering and Bell nonlocality, in this kinematic region.

      We model the continuum background ($pp \to b\bar{b}W^+W^-$)...

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    61. 5. Toponium effects on quantum steering and Bell nonlocality of top quarks
      Sergio Rodríguez Benítez (Instituto de Física Teórica IFT-UAM/CSIC)

      Recent LHC measurements near the $t\bar{t}$ production threshold show a cross-section enhancement consistent with a toponium bound state. This work provides the first comprehensive assessment of how toponium affects advanced quantum correlations, specifically quantum steering and Bell nonlocality, in this kinematic region.

      We model the continuum background ($pp \to b\bar{b}W^+W^-$)...

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    62. 63. tt+cc/bb measurements using deep learning in CMS Run2 dileptoninc tt events
      Juhee Song (Hanyang University (KR))
      Poster

      Precise identification of heavy-flavour (HF) jets in tt events is essential for tt+cc/bb measurements. c-jets are often mistagged as b-jets of light-flavour (LF) jets, since their properties lie between those of LF and b-jets. Deep learning algorithms are used to improve the separation of tt+cc/bb events from other tt contributions. Particle Transformer multiclass classifiers are trained to...

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