Name: LHC TOP WG meeting
Start: 2023-06-05T13:00:00+02:00
End: 2023-06-07T15:45:00+02:00
Location: CERN

LHC TOP WG meeting

from Monday 5 June 2023 (13:00) to Wednesday 7 June 2023 (15:45)

Monday 5 June 2023
13:00 Introduction - Maria Aldaya Martin (DESY) Wolfgang Wagner (Bergische Universitaet Wuppertal (DE)) Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna)
Introduction
- Maria Aldaya Martin (DESY)
- Wolfgang Wagner (Bergische Universitaet Wuppertal (DE))
- Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna)
13:00 - 13:20
Room: 40/S2-D01 - Salle Dirac
13:20 Discussion
Discussion
13:20 - 13:30
Room: 40/S2-D01 - Salle Dirac
13:30 Common MC settings and other LHCtopWG activities - Reinhard Schwienhorst (Michigan State University (US)) Giulia Negro (Purdue University (US))
Common MC settings and other LHCtopWG activities
- Reinhard Schwienhorst (Michigan State University (US))
- Giulia Negro (Purdue University (US))
13:30 - 13:50
Room: 40/S2-D01 - Salle Dirac
13:50 Discussion
Discussion
13:50 - 14:00
Room: 40/S2-D01 - Salle Dirac
14:00 ATLAS-Highlight-1: t-channel cross section measurement - Joshua Aaron Reidelsturz (Bergische Universitaet Wuppertal (DE))
ATLAS-Highlight-1: t-channel cross section measurement
- Joshua Aaron Reidelsturz (Bergische Universitaet Wuppertal (DE))
14:00 - 14:20
Room: 40/S2-D01 - Salle Dirac
14:20 Discussion
Discussion
14:20 - 14:30
Room: 40/S2-D01 - Salle Dirac
14:30 ATLAS-CMS comparison: tt cross sections in Run3 - Giovanni Guerrieri (Universita degli Studi di Udine (IT)) Giovanni Guerrieri (INFN - National Institute for Nuclear Physics) Joscha Knolle (Ghent University (BE))
ATLAS-CMS comparison: tt cross sections in Run3
- Giovanni Guerrieri (Universita degli Studi di Udine (IT))
- Giovanni Guerrieri (INFN - National Institute for Nuclear Physics)
- Joscha Knolle (Ghent University (BE))
14:30 - 14:50
Room: 40/S2-D01 - Salle Dirac
14:50 Discussion
Discussion
14:50 - 15:00
Room: 40/S2-D01 - Salle Dirac
15:00 CMS-Highlight-1: ttbb inclusive and differential cross sections, including ATLAS+CMS ttbb modelling comparisons - Jan van der Linden (KIT - Karlsruhe Institute of Technology (DE))
CMS-Highlight-1: ttbb inclusive and differential cross sections, including ATLAS+CMS ttbb modelling comparisons
- Jan van der Linden (KIT - Karlsruhe Institute of Technology (DE))
15:00 - 15:30
Room: 40/S2-D01 - Salle Dirac
15:30 Discussion
Discussion
15:30 - 15:40
Room: 40/S2-D01 - Salle Dirac

15:40 Coffee break
Coffee break
15:40 - 16:10
Room: 40/S2-D01 - Salle Dirac
16:10 News about four top-quarks
News about four top-quarks
16:10 - 17:50
Room: 40/S2-D01 - Salle Dirac
Contributions

16:10 ATLAS-CMS comparison: latest 4top results - Niels Van Den Bossche (Ghent University (BE)) Zhi Zheng (SLAC National Accelerator Laboratory (US))

16:50 On the BSM reach of 4top production at the LHC - Panagiotis Stylianou Panagiotis Stylianou (CERN)

17:20 4top resummation at threshold - Anna Kulesza (University of Muenster)
Tuesday 6 June 2023
09:00 Theory advancements on top-quark mass
Theory advancements on top-quark mass
09:00 - 13:05
Room: 40/S2-D01 - Salle Dirac
Contributions

09:00 Investigation of scale dependence in the MSR and MSbar top mass schemes for the tt invariant mass differential xsec using LHC data - Toni Makela (NCBJ)

09:30 New top mass calibration results for inclusive and differential top quark mass observables - Andre Hoang

10:00 Phenomenological analysis of LHC ttbar data at NNLO accuracy using the MATRIX framework - Oleksandr Zenaiev (Hamburg University) Oleksandr Zenaiev

11:20 Linear power correction for single top production - Melih Arslan Ozcelik (KIT - Karlsruhe Institute of Technology (DE))

11:50 ML approaches for parameter reweighting in MC samples for top production - Valentina Guglielmi (Deutsches Elektronen-Synchrotron (DE))

12:20 Thoughts on using ML methods to improve the understanding of ATLAS and CMS systematics - Jan Kieseler (CERN)

12:35 Informal discussion on status of tt threshold corrections - Andre Hoang Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna)
13:05 Lunch break
Lunch break
13:05 - 14:00
Room: 40/S2-D01 - Salle Dirac
14:30 ATLAS-Highlight-2: Search for charged lepton flavour violation in top quark decays - Jacob Julian Kempster (University of Sussex (GB))
ATLAS-Highlight-2: Search for charged lepton flavour violation in top quark decays
- Jacob Julian Kempster (University of Sussex (GB))
14:30 - 14:50
Room: 40/S2-D01 - Salle Dirac
14:50 Discussion
Discussion
14:50 - 15:00
Room: 40/S2-D01 - Salle Dirac
15:00 SMEFT top decay + entanglement - Claudio Severi (Universita e INFN, Bologna (IT))
SMEFT top decay + entanglement
- Claudio Severi (Universita e INFN, Bologna (IT))
15:00 - 15:20
Room: 40/S2-D01 - Salle Dirac 2210.09330 [hep-ph]
15:20 Discussion
Discussion
15:20 - 15:30
Room: 40/S2-D01 - Salle Dirac
15:30 Quantum discord and steering in top quarks at the LHC - Yoav Afik (CERN) Juan Ramon Munoz De Nova
Quantum discord and steering in top quarks at the LHC
- Yoav Afik (CERN)
- Juan Ramon Munoz De Nova
15:30 - 15:50
Room: 40/S2-D01 - Salle Dirac 2209.03969 [quant-ph]
15:50 Discussion
Discussion
15:50 - 16:00
Room: 40/S2-D01 - Salle Dirac
16:00 ATLAS-Highlight-3: substructure - Federica Fabbri (University of Glasgow (GB))
ATLAS-Highlight-3: substructure
- Federica Fabbri (University of Glasgow (GB))
16:00 - 16:20
Room: 40/S2-D01 - Salle Dirac
16:20 Discussion
Discussion
16:20 - 16:30
Room: 40/S2-D01 - Salle Dirac
16:30 Opportunities for BSM physics in top final states at a future e+e- factory - Roberto Franceschini (Rome 3 U.)
Opportunities for BSM physics in top final states at a future e+e- factory
- Roberto Franceschini (Rome 3 U.)
16:30 - 16:45
Room: 40/S2-D01 - Salle Dirac
16:45 Discussion
Discussion
16:45 - 16:50
Room: 40/S2-D01 - Salle Dirac

19:00 Dinner
Dinner
19:00 - 21:00
Room: 40/S2-D01 - Salle Dirac
Wednesday 7 June 2023
10:00 ATLAS-CMS comparison: latest ttW results - Marcel Niemeyer (Georg August Universitaet Goettingen (DE)) Carlos Vico Villalba (Universidad de Oviedo (ES))
ATLAS-CMS comparison: latest ttW results
- Marcel Niemeyer (Georg August Universitaet Goettingen (DE))
- Carlos Vico Villalba (Universidad de Oviedo (ES))
10:00 - 10:30
Room: 40/S2-D01 - Salle Dirac
10:30 Discussion
Discussion
10:30 - 10:40
Room: 40/S2-D01 - Salle Dirac
10:40 Status/Update NNLO calculation in ttW - Chiara Savoini (University of Zurich) Chiara Savoini
Status/Update NNLO calculation in ttW
- Chiara Savoini (University of Zurich)
- Chiara Savoini
10:40 - 11:00
Room: 40/S2-D01 - Salle Dirac
11:00 Discussion
Discussion
11:00 - 11:10
Room: 40/S2-D01 - Salle Dirac

11:10 Lunch break
Lunch break
11:10 - 13:00
Room: 40/S2-D01 - Salle Dirac
13:00 EFT
EFT
13:00 - 15:15
Room: 40/S2-D01 - Salle Dirac
Contributions

13:00 CMS-Highlight-2: Probing EFT models using ttX in multiple lepton final states - Reza Goldouzian (University of Notre Dame (US))

13:30 ATLAS+CMS comparison: latest results on FCNC (latest tgamma result from CMS, latest results from ATLAS) - Gholamhossein Haghighat (Institute for Research in Fundamental Sciences (IR)) Wei-Ming Yao (Lawrence Berkeley National Lab. (US))

14:00 Simultaneous CTEQ-TEA extraction of PDFs and SMEFT parameters from jet and tt data - TIMOTHY J HOBBS (Argonne National Laboratory)

14:30 The top quark legacy of the LHC Run2 for PDF and SMEFT analyses - Juan Rojo (VU Amsterdam and Nikhef)
15:15 CMS-Highlight-3: evidence for tWZ production in multilepton final states - Alessia Saggio (Deutsches Elektronen-Synchrotron (DE))
CMS-Highlight-3: evidence for tWZ production in multilepton final states
- Alessia Saggio (Deutsches Elektronen-Synchrotron (DE))
15:15 - 15:35
Room: 40/S2-D01 - Salle Dirac
15:35 Discussion
Discussion
15:35 - 15:45
Room: 40/S2-D01 - Salle Dirac

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