1st FCC-ee Luminometry Workshop

from Monday, 27 July 2026 (09:00) to Tuesday, 28 July 2026 (21:00)
CERN (40/S2-C01)

        : Sessions
    /     : Talks
        : Breaks
27 Jul 2026
28 Jul 2026
AM
09:00
Monday morning session (until 12:30)
09:00 Welcome and introduction to workshop - Mogens Dam (University of Copenhagen (DK))  
09:10 The need for high precision luminosity measurement at FCC-ee - Jan Eysermans (Massachusetts Inst. of Technology (US))  
09:35 MC Generator BHLUMI for luminometry at FCC-ee - Wiesiek Placzek (Jagiellonian University (PL))  
10:05 Radiative corrections and new physics in luminosity predictions - Francesco Pio Ucci (INFN Pavia)  
10:35 --- Coffee ---
11:00 The LEP legacy - From a reading of the OPAL paper - Mogens Dam (University of Copenhagen (DK))  
11:30 Interplay between MDI and Lumical designs - Fabrizio Palla (Universita & INFN Pisa (IT))  
12:10 Beam-beam effects on small angle Bhabha luminosity measurement - Emmanuel Francois Perez (CERN)  
09:00
Tuesday morning session (until 11:55) (40/S2-C01 - Salle Marie Sklodowska-Curie)
09:00 CEPC LumiCal design - Suen Hou (Academia Sinica (TW))  
09:25 Background simulations - Yan Benhammou (Tel Aviv University (IL))   (40/S2-C01 - Salle Marie Sklodowska-Curie)
09:45 LumiCal simulation studies - Mogens Dam (University of Copenhagen (DK))   (40/S2-C01 - Salle Marie Sklodowska-Curie)
10:05 FCC-ee Beam Instrumentation for luminosity monitoring - Dr Robert Kieffer (CERN)   (40/S2-C01 - Salle Marie Sklodowska-Curie)
10:30 --- Coffee ---
11:00 Luminosity measurement via di-photon final state - Alain Blondel (Centre National de la Recherche Scientifique (FR))   (40/S2-C01 - Salle Marie Sklodowska-Curie)
11:30 Considerations on luminosity measurement processes: Bhabhas, diphotons, radiative Bhabhas, ee_to_dimuons - Graham Wilson (The University of Kansas (US))   (40/S2-C01 - Salle Marie Sklodowska-Curie)
PM
12:35 --- Lunch ---
13:45
Experience with compact SiW calorimetry from the FCAL Collaboration (and DRRCalo WG1) (until 16:25)
13:45 FCAL General Introduction - Wolfgang Lohmann (Deutsches Elektronen-Synchrotron (DE))  
14:10 Test beam - Adrian Irles (IFIC CSIC/UV)  
14:35 Mechanics - Grzegorz Grzelak  
14:50 Electronics - UNKNOWN UNKNOWN Marek Idzik (AGH University of Krakow (PL))  
15:15 Simulation - Mihai Potlog (Institute of Space Science - subsidiary of INFLPR)  
15:30 Alignment - Barek Brudnowski  
15:50 Noise/Calibration and MC comparison - Melissa Almanza Soto (Univ. of Valencia and CSIC (ES))  
16:10 Moliere radius, gap effect, etc - Nofar Kleinman  
16:30 --- Coffee ---
16:50 FCC-ee CDR LumiCal design - Mogens Dam (University of Copenhagen (DK))  
17:15 MAPS based LumiCal - Duccio Abbaneo (CERN)  
17:40 Quantum sensor based Luminometer - Ben Kilminster (University of Zurich (CH))  
12:00 Lunch  
13:30
Discussions and presentation of plans of the various involved groups (until 16:00) (40/S2-C01 - Salle Marie Sklodowska-Curie)