Name: 3rd ECFA workshop on e+e- Higgs/EW/Top Factories, Paris, 9-11 Oct. 24
Start: 2024-10-09T08:00:00+02:00
End: 2024-10-11T16:50:00+02:00
Location: Campus des Cordeliers, Paris, Metro Odeon

3rd ECFA workshop on e+e- Higgs/EW/Top Factories, Paris, 9-11 Oct. 24

from Wednesday 9 October 2024 (08:00) to Friday 11 October 2024 (16:50)

Monday 7 October 2024
Tuesday 8 October 2024
Wednesday 9 October 2024

08:30 Registration
Registration
08:30 - 09:00
Room: Amphi Farabeuf
09:00
09:00 - 10:30
Room: Amphi Farabeuf
Contributions

09:00 News from the local organizers - G. Bernardi (APC Paris CNRS/IN2P3) G. Marchiori (APC Paris) N. Morange (IJCLab)

09:10 Welcome from IN2P3 and IRFU - Christelle Roy (CNRS / IN2P3)

09:30 ESPPU process and timeline; goals of the workshop - Paris Sphicas (Athens/CERN)

09:45 The need for a Higgs, Electroweak, and Top factory - Margarete Mühlleitner (ITP, KIT)

10:15 Software for future colliders - Juraj Smiesko (CERN)
10:30

10:30 - 11:00
Room: Amphi Farabeuf
11:00 Hss and ZH
Hss and ZH
11:00 - 13:00
Room: Amphi Pasquier
Contributions

11:00 Measurement of hadronic Higgs boson decays at FCC-ee to constrain quarks and gluon couplings - Alexis Maloizel (APC, Paris)

11:20 Strange tagging with ILD full simulation and application to H->ss analysis - Taikan Suehara (ICEPP, The University of Tokyo)

11:40 Detector impact on flavour tagging at the FCC-ee - Andrea Sciandra (BNL)

12:00 Impact of changes in the flavour tagger performance on the Higgs coupling measurements in ZH fully hadronic final states at the FCCee - Iza Veliscek (Brookhaven National Laboratory)

12:20 CP-violation in complex-singlet extension of 2HDM - JAYITA LAHIRI (II. Theoretical Institute for Physics, University of Hamburg)

12:40 Determination of CP-violating Higgs couplings with transversely-polarized beams at the ILC - Gudrid Moortgat-Pick (DESY and University of Hamburg)
11:00 - 13:00
Room: Salle des thèses
Contributions

11:00 Reimagining Electron-Positron Collider Luminosity Measurements - Graham Wilson (University of Kansas)

11:25 Precision studies of quantum electrodynamics at future e+e- colliders - Juan Alcaraz Maestre (CIEMAT (Madrid))

11:50 Probing New Physics at future e+e- colliders with two-particle angular correlations - Redamy Perez-Ramos
11:00 - 13:00
Room: Amphi Roussy
Contributions

11:00 Overview on low mass scalars at e+e- facilities - theory - Tania Robens

11:20 Search for additional Higgs bosons at the FCC-ee - Anne-Marie Magnan (Imperial College London)

11:40 Search for invisible decays of light scalars at Future Lepton Collider - Aman Desai (University of Adelaide)

12:00 Evidence for BSM physics in the scalar sector - Francois Richard (LAL/Orsay)

12:20 Prospects for light exotic scalar measurements at the e+e- Higgs factory - Aleksander Filip Zarnecki (University of Warsaw)

12:40 Decay-mode independent searches for new light scalars at future Higgs factories - María Teresa Núñez Pardo de Vera (DESY)
11:00 - 13:00
Room: Amphi Farabeuf
Contributions

11:00 Design, performance and future prospects of vertex detectors at the FCC-ee - Armin Ilg (University of Zürich) Fabrizio Palla (INFN Pisa)

11:24 CMOS R&D targeting a vertex detector for Higgs factories - auguste besson (Institut Pluridisciplinaire Hubert Curien)

11:48 Large area low-power Monolithic CMOS Tracking Detectors for FCC-ee - Yanyan Gao (University of Edinburgh)

12:12 Development of precision tracking detectors at Fermilab - Artur Apresyan (Fermilab)

12:36 The H2M project: Porting the functionality of a hybrid readout chip into a monolithic 65 nm CMOS imaging process - Dominik Dannheim (CERN)
13:00

13:00 - 14:15
Room: Amphi Farabeuf
14:15
14:15 - 16:15
Room: Salle des thèses
Contributions

14:15 First WWdiff results from full simulation studies of WW and single-W production - Leonhard Reichenbach (CERN / University of Bonn)

14:35 The top quark EW couplings in the SMEFT - Marcel vos (IFIC - centro mixto U. Valencia/CSIC, Valencia, Spain)

14:55 Precise measurements of top CKM and EWK couplings at FCC-ee - Xunwu Zuo (Karlsruhe Institute of Technology)

15:15 Mapping the SMEFT at High-Energy Colliders: from LEP and the (HL-)LHC to the FCC-ee - Jaco ter Hoeve (Nikhef)

15:35 Determination of large systems of SMEFT operator coefficients with Higgs factory data - Michael Peskin (SLAC)
Joint HTE+SRCH session
Joint HTE+SRCH session
14:15 - 16:15
Room: Amphi Pasquier
Contributions

14:15 Searching for heavy neutral leptons through exotic Higgs decays at the ILC - Junping Tian (University of Tokyo)

14:35 EFT Interactions of Dark Matter with Electroweak Bosons: Collider and Cosmological Probes, Present and Future - Giulio Marino (Pisa University and INFN Pisa)

14:55 Hints for New Higgs Bosons in Associated Di-Photon Production - Sumit Banik (Universität Zürich & Paul Scherrer Institut)

15:15 SUSY Parameter determination and dark matter phenomenology at future e+e- colliders - Gudrid Moortgat-Pick (DESY and University of Hamburg)

15:35 Dark Matter searches in models with extended Higgs sector at lepton colliders - JAYITA LAHIRI (II. Theoretical Institute for Physics, University of Hamburg)
14:15 - 16:15
Room: Amphi Roussy
Contributions

14:15 Tracking for the modified ILD detector concept at the FCCee - Victor Schwan (DESY FTX-SLB)

14:35 Comprehensive Particle Identification Tool - Uli Einhaus (KIT)

14:55 Jet flavor tagging and particle flow by DNN with ILD full simulation - Taikan Suehara (ICEPP, The University of Tokyo)

15:15 ML-based Particle Flow for CLD - Gregor Krzmanc (ETH Zürich)

15:35 Transformer-based Jet Flavor Tagging in Full Simulation for CLD at FCC-ee - Sara Aumiller (Technical University of Munich (TUM))

15:55 Machine Learning Techniques to Probe Heavy Neutral Leptons in the electron channel at FCC-ee - Pantelis Kontaxakis (pantelis.kontaxakis@unige.ch)
14:15 - 16:15
Room: Amphi Farabeuf
Contributions

14:15 Beamstrahlung backgrounds in ILD at linear (ILC) and circular (FCCee) colliders - Daniel Jeans (KEK / IPNS)

14:39 Performance of a Pixel Time Projection Chamber - Peter Kluit (Nikhef)

15:03 A straw tracker for FCC-ee - Liang Guan (University of Michigan)

15:27 Advancing Particle Identification in Helium-Based Drift Chambers: A Cluster Counting Technique Study through Beam Tests - Walaa Mohamed Abdelaziz Elmetenawee (INFN - Sezione di Bari)

15:51 The ARC compact RICH detector: reconstruction and performance - Serena Pezzulo (University of Genoa)
16:15

16:15 - 16:45
Room: Amphi Farabeuf
16:45
16:45 - 18:25
Room: Amphi Farabeuf
Contributions

16:45 Searches for LLPs - Rebeca Gonzalez Suarez (Uppsala University (SE))

17:05 Searches for new exotic scalars - Aleksander Filip Zarnecki (University of Warsaw)

17:25 EW precision: 2-fermion final states ($\sqrt{s}=M_Z$ and beyond) - Daniel Jeans (KEK / IPNS)

17:45 CKM matrix elements from $W$ decays - Uli Einhaus (KIT)

18:05 Heavy quark fragmentation and hadronisation - Loukas Gouskos (Brown University)
18:30
18:30 - 21:00
Room: Amphi Farabeuf
Contributions

18:30 Measurements of $H \to \tau\tau$ properties at FCC-ee - Matteo Presilla (KIT)

18:32 CPV measurement in HZZ (VBF) at 1 TeV ILC - Ivanka Bozovic-Jelisavcic (VINCA Institute of Nuclear Sciences)

18:34 ALLEGRO simulated performance - Tong LI (APC Paris, CNRS/IN2P3)

18:38 K4DetPerformance: A Framework for Tracking Performance Studies in Full Simulation Environments - Gaëlle Sadowski (iphc)

18:40 SDHCAL evolution: Time integration and algorithmic improvements for the APRIL Particle Flow. - Tanguy PASQUIER (IP2I, Univ Lyon 1)

18:42 Calorimetry simulations for the ALLEGRO FCC-ee detector - Filomena Sopkova (Charles University) Filoména Sopková (Charles University)

18:44 QCD & Lund Jet Plane Studies at FCC-ee - Lata Panwar (LPNHE) Lata Panwar (Laboratoire de physique nucléaire et des hautes énergies (LPNHE), Paris, France)
Thursday 10 October 2024
09:00
09:00 - 10:50
Room: Amphi Farabeuf
Contributions

09:00 FCC: recent updates and goals/plans for contribution to ESPPU - Frank Zimmermann (CERN)

09:30 Linear Colliders: recent updates and goals/plans for contribution to ESPPU - Steinar Stapnes (CERN)

10:00 US planning for a Higgs Factory - Ritchie Patterson (Cornell)

10:15 CEPC: status of the proposal, and plans - Joao Guimaraes da Costa (IHEP)

10:30 Banquet information
10:30 Workshop Photo
Workshop Photo
10:30 - 11:00
Room: Amphi Farabeuf
11:00 ====> HTE+GLOB
====> HTE+GLOB
11:00 - 13:00
Room: Amphi Pasquier
Contributions

11:00 Non-universal probes of Higgs compositeness: New bounds and prospects for tera-Z - Ben Stefanek (King's College London)

11:20 ZH angular measurements and anomalous CP-even & CP-odd HZZ couplings at future Higgs factories - Andrea Siddharta Maria

11:40 Prospects for New Discoveries Through Precision Measurements at e+e- Colliders - Pier Paolo Giardino (University "Autonoma" of Madrid)

12:00 Projections for Higgs self-coupling measurements with double higgs production with ILD at multiple COM energies - Bryan Bliewert (Deutsches Elektronen-Synchrotron DESY)

12:20 Sensitivity to detecting New Physics effects first in the trilinear Higgs coupling - Johannes Braathen (DESY)

12:40 Physics case for an e^+e^- collider at 500 GeV and above - Georg Weiglein (DESY)
11:00 - 13:00
Room: Amphi Roussy
Contributions

11:00 Exploring the nature of heavy neutral leptons in final state distributions - Jan Hajer (CFTP, IST, Universidade de Lisboa)

11:20 Heavy Neutral Leptons Search in a Realistic Neutrino Oscillation Model at FCC-ee - Sofia Giappichini

11:40 Probing the nature of HNL at lepton colliders - Krzysztof Mekala (University of Warsaw / DESY)

12:00 Searching for Heavy Neutral Leptons and measuring them with the IDEA detector at the FCC-ee - Nicolò Valle (INFN, Sezione di Pavia, Italie)

12:20 Right-Handed Majorana Neutrinos at a e+ e- collider - Jurina Nakajima (SOKENDAI/KEK)

12:40 Leptophilic Z′ bosons at the FCC-ee - José Zurita (IFIC - Univ. of Valencia and CSIC)
11:00 - 13:00
Room: Salle des thèses
Contributions

11:00 Status of the Sherpa 3.0 event generator - Daniel Reichelt Daniel Reichelt

11:20 Investigating New Physics contamination in luminosity measurements at future colliders - Francesco Pio Ucci (University of Pavia)

11:40 WG2: Technical Benchmarks for Monte Carlo Generators - Alan Price (Jagiellonian University)

12:00 Beam-Induced Background Simulation Studies for the Cool Copper Collider - Lindsey Gray (Fermi National Accelerator Laboratory)

12:20 Luminosity Spectra (on zoom) - Jürgen Reuter (DESY Hamburg, Germany) Thorsten Ohl (University of Wuerzburg)

12:40 Bunch Structure Studies at C3 - Dimitris Ntounis (Stanford University & SLAC National Accelerator Laboratory)
11:00 - 13:00
Room: Amphi Farabeuf
Contributions

11:00 R&D on Noble Liquid Calorimeter for Future Collider Experiments - Fares DJAMA (CPPM)

11:18 Design and performance of the calorimeter system for ALLEGRO FCC-ee detector concept - Michaela Mlynarikova (CERN)

11:36 Estimation of the fluxes in ILD calorimeters at FCC-ee - Vincent BOUDRY (LLR - CNRS, École polytechnique/IPP Paris)

11:54 Challenges ahead of the ILD SiW-ECAL - Adrian Irles (IFIC (CSIC/UV) Valencia) Roman Poeschl (LAL Orsay) Vincent BOUDRY (LLR - CNRS, École polytechnique/IPP Paris)

12:12 Dual-Readout Fibre-Sampling Calorimeter for next lepton collider - Ruggero Turra (INFN Milano)

12:36 Particle Flow Algorithm for Long Crystal Bar ECAL - Yang Zhang (The Institute of High Energy Physics of the Chinese Academy of Science)
13:00

13:00 - 14:15
Room: Amphi Farabeuf
13:15 ECR Session 1
ECR Session 1
13:15 - 14:15
Room: Amphi Farabeuf
Contributions

13:15 The European Particle Physics Strategy Update and the role of Early-Career Researchers (talk) - Armin Ilg (University of Zürich)

13:30 Who are we? (interactive) - Emanuela Musumeci (IFIC CSIC/UV) Magdalena Vande Voorde (KTH Royal Institute of Technology (SE))

13:45 What is important to us for the future of particle physics in Europe? (discussion) - Emanuela Musumeci (IFIC CSIC/UV) Magdalena Vande Voorde (KTH Royal Institute of Technology (SE))
14:15 ===> HTE+PREC
===> HTE+PREC
14:15 - 16:15
Room: Amphi Pasquier
Contributions

14:15 Tau polarisation measurement at a future Higgs Factory - Daniel Jeans (KEK / IPNS)

14:35 Tau Physics at FCCee - Maria Cepeda (CIEMAT)

14:55 Prospects for constraining light-quark electroweak couplings at Higgs factories - Krzysztof Mekala (University of Warsaw / DESY)

15:15 Expected Measurements of the Higgs boson mass and ZH production cross sections at sqrt(s) =240 and 365 GeV, at the Future e+e- Circular Collider (FCC-ee) - Gregorio Bernardi (APC Paris CNRS/IN2P3)

15:35 A New Method for Measuring the Higgs Mass at Linear Colliders - Thomas Berger

15:55 Top properties from the threshold scan - Matteo Defranchis (CERN)
SRCH+FLAV
SRCH+FLAV
14:15 - 16:15
Room: Salle des thèses
Contributions

14:15 Long-lived particle searches with the ILD experiment - Jan Klamka (University of Warsaw (PL))

14:35 Long-lived particles from exotic Higgs decays at the FCC-ee - Magdalena Vande Voorde (KTH)

14:55 Search for LLP in Z decays in association with a prompt photon at Tera-Z / Z boson decay into a light scalar boson and a photon: study of the FCC/CEPC sensitivities - Giacomo Polesello (INFN, Sezione di Pavia, Italie)

15:15 Impact of detector and accelerator conditions on the stau-pair production sensitivity at future Higgs Factories - María Teresa Núñez Pardo de Vera (DESY)

15:35 Hitting the Thermal Target for Leptophilic Dark Matter at Future Colliders - Cari Cesarotti (MIT)

15:55 Time-Dependent Precision Measurement of $B_s^0\to \phi\mu^+\mu^-$ Decay at the FCC-$ee$ - Tsz Hong Kwok (University of Zurich)
14:15 - 16:15
Room: Amphi Roussy
Contributions

14:15 Monte Carlo Productions for Full Simulation Studies - Andre Sailer (CERN)

14:35 Reconstruction Tools in Key4hep - Swathi Sasikumar Kollassery (CERN)

14:55 End-to-end ML-based reconstruction for FCC-ee - Dolores Garcia

15:15 Developing and evaluating kink finding method with BSM models in ILD - Jurina Nakajima (SOKENDAI/KEK)

15:35 Evaluating strange-tagging performance for SiD fast- and full-simulation - Dimitris Ntounis (SLAC)

15:55 Jet Flavour Tagging at FCC-ee with a Transformer-based Neural Network: DeepJetTransformer - Freya Blekman (IIHE, Vrije Universiteit Brussel (BE))
14:15 - 16:15
Room: Amphi Farabeuf
Contributions

14:15 GRAiNITA a new type of calorimeter - Marie-Hélène Schune (IJCLab)

14:39 µ-RWELL muon system and pre-shower for FCC-ee - Riccardo Farinelli (INFN Bologna (IT))

15:03 Preshower simulation of IDEA detector - Nitika Nitika (University of Udine)

15:27 Towards an asymmetric detector at HALHF - Antoine Laudrain (DESY)

15:51 Embedded FPGAs for Data Processing in Future e+e- Detectors - Julia Gonski (SLAC National Accelerator Laboratory (US)) Julia Lynne Gonski (SLAC National Accelerator Laboratory (US))
16:15

16:15 - 16:45
Room: Amphi Farabeuf
16:45
16:45 - 18:15
Room: Amphi Farabeuf
Contributions

16:45 The Higgs/EWK/top factory challenge for detectors - Felix Sefkow (Deutsches Elektronen-Synchrotron)

17:10 Simulation of HET factory detectors - Alvaro Tolosa Delgado (CERN, European Organization for Nuclear Research)

17:35 Reconstruction for HET factory experiments - Frank Gaede (DESY)
18:30 ECR session 2
ECR session 2
18:30 - 19:40
Room: Amphi Farabeuf
Contributions

18:30 Further topics for ECR White Paper input? (discussion) - Leonhard Reichenbach (CERN / University of Bonn)

18:40 Ranking of topics (interactive) - Emanuela Musumeci (IFIC CSIC/UV) Magdalena Vande Voorde (KTH Royal Institute of Technology (SE))

18:55 Potential statements (discussion, if time allows) - Armin Ilg (University of Zürich)

19:05 Formation of Working Groups - Armin Ilg (University of Zürich)

19:15 Summary and next steps towards ECR White Paper input to EPPSU (talk) - Armin Ilg (University of Zürich) Leonhard Reichenbach (CERN / University of Bonn) Magdalena Vande Voorde (KTH Royal Institute of Technology (SE))
20:00 Aperitif at 20.00 / Sitting at 20:20 / Dinner starts at 20:30 / tables of 10 persons, get organized in advance if you wish !
Aperitif at 20.00 / Sitting at 20:20 / Dinner starts at 20:30 / tables of 10 persons, get organized in advance if you wish !
20:00 - 22:00
Friday 11 October 2024
09:00
09:00 - 10:45
Room: Amphi Farabeuf
Contributions

09:00 Generators and Theory developments needed for HET physics - Carlo Carloni Calame (INFN, Pavia, Italy)

09:30 Towards detectors for HET factories / tracking and vertexing systems - Fabrizio Palla (INFN Pisa)

09:55 Towards detectors for HET factories / calorimeter and PID systems - Nicolas Morange (IJCLab)

10:20 Towards detectors for HET factories / electronics, mechanics, integration - Thomas Bergauer (HEPHY Vienna (OEAW))
10:45

10:45 - 11:15
Room: Amphi Farabeuf
11:15
11:15 - 12:45
Room: Amphi Farabeuf
Contributions

11:15 Determination of the Higgs self-coupling - Junping Tian (University of Tokyo)

11:35 Top mass and electroweak couplings - Matteo Defranchis (CERN)

11:55 Poster prizes and short talks by winning posters

12:20 Summary of WG3 sessions and plans - Mary-Cruz Fouz (CIEMAT)
12:45

12:45 - 14:00
Room: Amphi Farabeuf
14:15
14:15 - 16:15
Room: Amphi Farabeuf
Contributions

14:15 WG1 (physics potential): HTE subgroup report/plans - Karsten Köneke (University of Göttingen) Karsten Köneke

14:30 WG1 (physics potential): PREC subgroup report/plans (on zoom) - Ayres Freitas (University of Pittsburgh)

14:45 WG1 (physics potential): GLOB subgroup report/plans - Marcel vos (IFIC - centro mixto U. Valencia/CSIC, Valencia, Spain)

15:00 WG1 (physics potential): FLAV subgroup report/plans - Stephane Monteil (Laboratoire de Physique de Clermont - UCA/IN2P3)

15:15 WG1 (physics potential): SRCH subgroup report/plans - Roberto Franceschini (CERN)

15:30 Next steps and timelines for ECFA Report; approval process - Aidan Robson (University of Glasgow) Christos Leonidopoulos (FNAL)

15:45 Discussion: what is missing; how to engage in ESPPU process - Paris Sphicas (Athens/CERN)

16:00 Closeout - Gregorio Bernardi (APC Paris CNRS/IN2P3)

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