LHC TOP WG meeting

Name: LHC TOP WG meeting
Start: 2025-06-04T14:00:00+02:00
End: 2025-06-06T13:00:00+02:00
Location: CERN

4 Jun 2025, 14:00 → 6 Jun 2025, 13:00 Europe/Zurich

40/S2-D01 - Salle Dirac (CERN)

40/S2-D01 - Salle Dirac

CERN

We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01

115

Show room on map

Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna), Jose Enrique Palencia Cortezon (Universidad de Oviedo (ES)), Marcel Vos (IFIC Valencia (ES))

Description

This periodic open meeting of the LHC TOP Working Group takes place twice a year at CERN. The meeting provides a forum for discussion between experimentalists and theorists on the latest developments in top quark physics. Everybody is welcome to attend; please register using the link below.

The meeting will take place at CERN and also via Zoom (hybrid format).

Recordings of the sessions will be available below once the meeting is over.

Support

lhctopwg-conveners@cern.ch

Registration

LHCtopWG Registration

Participants

92 View full list

67949272827

Jose Enrique Palencia Cortezon

Join via phone

Wednesday 4 June
- Day 1: Session 1 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 1
    
    Introduction
    
    Speakers: Prof. Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna), Jose Enrique Palencia Cortezon (Universidad de Oviedo (ES)), Marcel Vos (IFIC Valencia (ES))
    
    introLHCtopWG_june2025.pdf
  - 2
    
    Observation of tWZ production at the CMS experiment
    
    CMS-PAS-TOP-24-009 - http://cds.cern.ch/record/2932252?ln=en
    
    Speaker: Alberto Belvedere (Deutsches Elektronen-Synchrotron (DE))
    
    LHC_top_WG.pdf
  - 3
    
    Invariant-mass threshold resummation for the production of four top quarks at the LHC
    
    https://arxiv.org/pdf/2505.10381
    
    Speaker: Anna Katarzyna Kulesza (Universität Münster (DE))
    
    topwg25.pdf
- 15:50
  
  Coffee break 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
- Day 1: Session 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 4
    
    Test of lepton flavour universality in W-boson decays into electrons and tau-leptons using pp collisions at sqrt{s}=13 TeV with the ATLAS detector
    
    TOPQ-2023-10 - JHEP 05 (2025) 038
    
    Speaker: Guennadi Borissov (Lancaster University (GB))
    
    talk-TOP-LHCWG-2025.pdf
  - 5
    
    Measurement of the ttW differential cross section and charge asymmetry at √s=13 TeV
    
    CMS-PAS-TOP-24-003 - http://cds.cern.ch/record/2927533
    
    Speakers: Brendon Bullard (SLAC National Accelerator Laboratory (US)), Carlos Vico Villalba (Universidad de Oviedo (ES))
    
    06-06-2025_LHCtopWG_CarlosVico.pdf
Thursday 5 June
- Day 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 6
    
    Recent progress and open issues in top modelling
    
    Speaker: Peter Skands (Monash University (AU))
    
    25-Top-LHC.pdf
  - 7
    
    Inclusive and differential measurements of the t¯tγ cross section and the t¯tγ/t¯t ratio in proton-proton collisions at √s=13 TeV
    
    CMS-PAS-TOP-23-002 - https://cds.cern.ch/record/2927506?ln=en
    
    Speakers: Beatriz Ribeiro Lopes (CERN), Carmen Diez Pardos (Universitaet Siegen (DE))
    
    LHCTOPWG_TOP23002.pdf
- 10:35
  
  Coffee break 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
- Day 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 8
    
    Review of rare and exclusive top quark decays
    
    https://inspirehep.net/literature/2738532
    
    Speakers: David d'Enterria (CERN), Van Dung Le (Vietnam National University (VN))
    
    review_rare_top_decays.pdf
  - 9
    
    Measurement of the top quark mass with the ATLAS detector using events with a high transverse momentum top quark
    
    TOPQ-2022-24 - https://arxiv.org/abs/2502.18216
    
    Speakers: Elliot Watton (University of Glasgow (GB)), Roman Kogler (DESY (DE))
    
    BoostedTopMass_LHCTopWGMeeting_Final.pdf
  - 10
    
    How to Unfold Top Decays
    
    https://arxiv.org/abs/2501.12363
    
    Speaker: Sofia Palacios Schweitzer (ITP, University Heidelberg)
    
    LHC_TOPWG.pdf
- Day 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 11
    
    Standard Model predictions for the top quark pair production threshold region
    
    Speaker: Paolo Nason
    
    LhcTopWgOpenMeeting-5-6-2025.pdf
  - 12
    
    Observation of a pseudoscalar excess at the top quark pair production threshold
    
    CMS-PAS-TOP-24-007 - https://arxiv.org/abs/2503.22382
    
    Speaker: Jorn Bach (Deutsches Elektronen-Synchrotron (DE))
    
    lhctopwg_jb_excessthreshold.pdf
  - 13
    
    Review of toponium models
    
    Speaker: Benjamin Fuks
    
    Toponium_LHCTopWG.pdf
- 16:00
  
  Coffee break 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
- Day 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  We will use 2 different rooms for this meeting: - Wednesday (04/06) and Thursday (05/06): Salle Bohr 40/S2-B01 - Friday (06/06): Salle Dirac 40/S2-D01
  
  115
  Show room on map
  - 14
    
    Search for CP violation in events with top quarks and Z bosons
    
    CMS-PAS-TOP-24-012 - http://cds.cern.ch/record/2928204
    
    Speaker: Sergio Sanchez Cruz (CERN)
    
    lhctopwg_cpv_sanchez_cruz.pdf
  - 15
    
    Probing the flavour structure of dimension-6 EFT operators in multilepton final states
    
    CMS-PAS-TOP-23-009 - http://cds.cern.ch/record/2929076
    
    Speaker: Robert Schoefbeck (Austrian Academy of Sciences (AT))
    
    25-06-05 TOP-23-009 LHC TOP WG.pdf
    
    25-06-05 TOP-23-009 LHC TOP WG.pptx
Friday 6 June
- Day 3: Session 1 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  115
  Show room on map
  - 16
    
    Joker talk ATLAS: observation of ttgammagamma
    
    Speaker: Arpan Ghosal (Universitaet Siegen (DE))
    
    LHCTop_June2025.pdf
  - 17
    
    Measurement of high-mass ttll production and lepton flavour universality-inspired effective field theory interpretations at sqrt{s}=13 TeV with the ATLAS detector
    
    TOPQ-2023-02 - https://arxiv.org/abs/2504.05919
    
    Speaker: Gianna Loeschcke Centeno (Centre National de la Recherche Scientifique (FR))
    
    highmassttll.pdf
  - 18
    
    Joker talk ATLAS: measurement of the WbWb cross section
    
    Speaker: Dr Marino Romano (INFN Bologna (IT))
    
    lhctopwg2025.pdf
    
    lhctopwg2025.pptx
- 11:00
  
  Coffee break 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  115
  Show room on map
- Day 3: Session 2 40/S2-D01 - Salle Dirac
  
  40/S2-D01 - Salle Dirac
  
  CERN
  
  115
  Show room on map
  - 19
    
    Highlights from GGI
    
    Speaker: Federica Fabbri (Universita e INFN, Bologna (IT))
    
    SummaryTopW2025.pdf