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HEP2026: 42nd Conference on Recent Developments in High Energy Physics and Cosmology [NTUA] Jul 8 – 11, 2026

from Wednesday, July 8, 2026 (9:00 AM) to Saturday, July 11, 2026 (7:00 PM)
National Technical University of Athens (Main Hall (Level 1))

        : Sessions
    /     : Talks
        : Breaks
Jul 8, 2026
Jul 9, 2026
Jul 10, 2026
Jul 11, 2026
AM
9:30 AM
Welcome HEP2026 - Theodoros Alexopoulos (National Technical Univ. of Athens (GR)) Ioannis Kopsalis (National Technical Univ. of Athens (GR)) (until 10:00 AM)
9:30 AM Welcome from the Vice-Rector - Panagiotis Psarakos  
9:35 AM Welcome from the HEP2026 Organizing Committee - Theodoros Alexopoulos (National Technical Univ. of Athens (GR))  
9:40 AM Welcome and Statement of the President of the CERN Council - Costas Fountas (University of Ioannina (GR))  
9:50 AM Welcome of the President of Athens Chamber of Tradesmen - Ioannis Chatzitheodosiou  
10:00 AM
Keynote - Theodoros Alexopoulos (National Technical Univ. of Athens (GR)) (until 11:00 AM)
10:00 AM From Tracks to Triggers: The CMS upgrade for the HL-LHC - Konstantinos Manolopoulos (Science and Technology Facilities Council STFC (GB))  
10:30 AM Towards energy sensitive Quantum Sensors: Dual Mode SNSPDs - Stathes Paganis (National Taiwan University)  
11:00 AM --- Coffee break ---
11:30 AM
Experiments - Dimitris Fassouliotis (National and Kapodistrian University of Athens (GR)) (until 1:30 PM)
11:30 AM Electroweak Physics with Multiboson Production at the LHC: Past, Present, and Future - Iro Koletsou (Centre National de la Recherche Scientifique (FR))  
11:50 AM Operational Experience and Performance of the ATLAS New Small Wheels in Run 3 - Stergios Tsigaridas (TRIUMF (CA))  
12:10 PM CMS Tracking for the HL-LHC: A Heterogeneous Baseline with Extended Physics Reach - Manos Vourliotis (Univ. of California San Diego (US))  
12:30 PM Next-Generation MDT DCS: Power Supply System Developments for the Phase-2 Upgrade - Ioannis Drivas-Koulouris (National Technical Univ. of Athens (GR))  
12:50 PM Search for Higgs boson decay to a charm quark-antiquark pair via ttH production - Nikolaos Plastiras (National and Kapodistrian University of Athens (GR))  
9:30 AM
Keynote - Theodoros Alexopoulos (National Technical Univ. of Athens (GR)) (until 11:00 AM)
9:30 AM The Status of the FCC & Plans for the Reference Design Phase - Emmanuel Tsesmelis (CERN)  
10:00 AM Concepts for Muon Systems at Future e+e- colliders - Paolo Iengo (INFN)  
10:30 AM Upgrade of the PADME experiment for the X17 Search - Mario Antonelli (INFN e Laboratori Nazionali di Frascati (IT))  
11:00 AM --- Coffee break ---
11:30 AM
Experiments - Konstantinos Vellidis (National and Kapodistrian University of Athens (GR)) (until 1:30 PM)
11:30 AM Search for heavy charged long-lived particles with the ATLAS detector using the full Run 2 dataset - Leonidas Fountas (National and Kapodistrian University of Athens (GR))  
11:50 AM Study of VH(→bb̄/cc̄) production in the ATLAS experiment - Eleni Papadimitriou (Aristotle University of Thessaloniki (GR))  
12:10 PM Evidence of Higgs boson inclusive production at high transverse momentum decaying to a pair of $b$-quarks with the ATLAS detector - Evripidis Koutsioumpas (National Technical Univ. of Athens (GR))  
12:30 PM Study of pp→HH→bbγγ production at \sqrt{s}=13TeV and \sqrt{s}=13.6TeV using ATLAS simulations - Eliana Kapsali (Aristotle University of Thessaloniki (GR))  
12:50 PM From Design File to SCADA: Automating OPC UA Server Integration in the ATLAS DCS with quasar and Cacophony - Nikolaos Kanellos (National Technical Univ. of Athens (GR))  
1:10 PM Probing dark matter with novel signatures at the LHC - Ms Sofia Zioga (Aristotle University of Thessaloniki (GR))  
10:00 AM
Keynote - Fotis Farakos (Physics Division, National Technical University of Athens) (until 11:00 AM)
10:00 AM Dynamical extreme black hole horizons - Achilleas Porfyriadis  
10:30 AM Quantum vacua of string theory on Riemann flat manifolds - Gianguido Dall'Agata (Universita e INFN (IT))  
11:00 AM --- Coffee break ---
11:30 AM
Keynote - Fotis Farakos (Physics Division, National Technical University of Athens) (until 12:00 PM)
11:30 AM A non-compact QCD axion - Georgios Karananas  
10:00 AM
Goodbye - Ioannis Kopsalis (National Technical Univ. of Athens (GR)) Theodoros Alexopoulos (National Technical Univ. of Athens (GR)) (until 11:30 AM)
PM
1:30 PM --- Lunch break - Restaurant (Level 1) - National Technical University of Athens ---
3:00 PM
Keynote - Theodoros Alexopoulos (National Technical Univ. of Athens (GR)) (until 3:30 PM)
3:00 PM Tracking and Particle Identification in FCC-ee - George Iakovidis (Brookhaven National Laboratory (US))  
3:30 PM
FCC - George Stavropoulos (Nat. Cent. for Sci. Res. Demokritos (GR)) (until 4:30 PM)
3:30 PM Toward a Superconducting Luminometer for FCC-ee: Device Physics, Detector Response, and Beam Performance - Dr Vagelis Gkougkousis (University of Zurich)  
3:50 PM Study of the $e^+ + e^- \rightarrow Z(l^+l^-)H(WW^*)$ decay in the 3-lepton final state at the FCC-ee - Michaela Arampatzi (National Technical Univ. of Athens (GR))  
4:10 PM Impact of Power Supply Ripple on the new planned accelerator FCC-ee at CERN - Angelos Kastrinellis (National Technical Univ. of Athens (GR))  
4:30 PM --- Coffee break ---
5:00 PM
Detectors - Kostas Kordas (Aristotle University of Thessaloniki (GR)) (until 7:30 PM)
5:00 PM Machine Learning Application for PICOSEC Signal Processing and Precise Timing - Angelos Tsiamis (Aristotle University of Thessaloniki (GR))  
5:30 PM TestBeam Performance Studies of the ATLAS BCM’ Detector for the HL‑LHC Phase‑II Upgrade - Muhammad Basir Khan (Jozef Stefan Institute (SI))  
5:50 PM GRANDProto300 - Status and Recent Progress - Dr Apostolos Tsirigotis (Aristotle University of Thessaloniki (GR), Hellenic Open University)  
6:20 PM Detector Calibration and Precision Studies in GRANDProto300 - Dr Stavros Nonis (Hellenic Open University)  
6:50 PM Giant Radio Array for Neutrino Detection (GRAND): Candidate selection and trigger optimization in the GP80 Prototype - George Vittakis (University of the Aegean)  
7:10 PM μNet: A Nationwide Cosmic-Ray Education and Research Network – Current Status and Future Upgrades - Mr Leonidas Xiros (Hellenic Open University)  
1:30 PM --- Lunch break - Restaurant (Level 1) - National Technical University of Athens ---
3:00 PM
Astroparticle and rare event searches - IOANNIS Gkialas (University of the Aegean (GR)) (until 4:30 PM)
3:00 PM Latest results on the search for a diffuse astrophysical neutrino flux with KM3NeT/ARCA - Chrysovalantis Karagiannis (NCSR Demokritos)  
3:20 PM Machine Learning applications for the design of LEMMOND, a water Cherenkov Detector to measure low energy neutrino interaction cross sections - Ioannis Karakoulias  
3:40 PM New Physics in the Neutrino Fog Era of Dark Matter Direct Detection - Dr Dimitrios Papoulias (IFIC (CSIC/Valencia U.))  
4:00 PM Sterile neutrino phenomenology - Prof. CHRISTOS KOKORELIS (American University of Iraq-Baghdad)  
4:30 PM --- Coffee break ---
5:00 PM
Detectors - Ioannis Kopsalis (National Technical Univ. of Athens (GR)) (until 7:20 PM)
5:00 PM AI-driven readout compression methods in Resistive Silicon Devices - Gaetano Barone (Brown University)  
5:30 PM The Design and Commission of the Beam Conditions Monitoring system for ATLAS ITk - Vasileios Mouzakis (National Technical Univ. of Athens (GR))  
5:50 PM Mitigation approach for silicon fractures in the ATLAS ITk strip tracker endcap module production - Stylianos Partsinevelos (National Technical Univ. of Athens (GR))  
6:10 PM CMOS Active Sensor with Internal Amplification (CASSIA) characterization within CERN-DRD3 Collaboration - Dimitrios Xynis (National Technical Univ. of Athens (GR))  
6:30 PM Characterization of Low Gain Avalanche Detectors (LGADs) for the LHC - Nikitas Kladas (National Technical Univ. of Athens (GR))  
8:30 PM
Dinner - Kopsidi Restaurant, Kaisariani, 240 Ethnikis Antistaseos Avenue, 16122 (until 11:30 PM)
12:00 PM
Theory - Fotis Farakos (Physics Division, National Technical University of Athens) (until 1:30 PM)
12:00 PM Scale-separated vacua with extended supersymmetry - Alexandros Zarafonitis (Physics Division, National Technical University of Athens)  
12:20 PM Hints for an AdS Universe from DESI - Ioannis Gialamas (National Institute of Chemical Physics and Biophysics)  
12:40 PM SMEFT Analysis of Exclusive Higgs Decays H → Mγ - Dimitrios Beis  
1:30 PM --- Lunch break - Restaurant (Level 1) - National Technical University of Athens ---
3:00 PM
Theory - Fotis Farakos (Physics Division, National Technical University of Athens) (until 3:20 PM)
3:00 PM Emergence of a $1/r$ Gravitational Regime from a Corrected Relativistic Structure - Frederic Lassiaille  
3:20 PM
Experiments - Konstantinos Theofilatos (National and Kapodistrian University of Athens (GR)) (until 4:30 PM)
3:20 PM Searches for High-Mass Resonances in the ZZ→4ℓ Final State with the ATLAS Experiment - Konstantinos Sioulas (National and Kapodistrian University of Athens (GR))  
3:40 PM Search for exotic decays of the Higgs boson to a pair of new light bosons in VH, H→XX→4b with the CMS experiment - Artemis Taxeidi (National Technical Univ. of Athens (GR))  
4:00 PM Enhancement of the ATLAS NSW DCS performance and implementation of DCS for experimental setups - Michaela Arampatzi (National Technical Univ. of Athens (GR))  
4:30 PM --- Coffee break ---
5:00 PM
Experiments - Konstantinos Theofilatos (National and Kapodistrian University of Athens (GR)) (until 5:40 PM)
5:00 PM Logistics in ATLAS ITk Upgrade Project: A challenging task for a global collaboration of Institutes - Spyridon Kompogiannis (Aristotle University of Thessaloniki (GR))  
5:20 PM A Fast Analytical Multiphysics Model for Laser-Driven Particle Acceleration Toward Pair Production Studies - Dr Vasiliki Alexopoulou (National Technical Univ. of Athens (GR))  
5:40 PM
Detectors - Ioannis Kopsalis (National Technical Univ. of Athens (GR)) (until 7:00 PM)
5:40 PM Characterization of SiPMs using Radiation Sources for Quantum Random Number Generation - Evangelos Xirotyris Chrysos (National Technical Univ. of Athens (GR))  
6:00 PM Environmental Monitoring for the ATLAS ITk Barrel Integration - Georgios Katselis (National Technical Univ. of Athens (GR))  
6:20 PM Development and Characterization of an Environmental Parameter Monitoring System for the ATLAS ITk - Nikolaos-Anastasios Kontogiorgis  
6:40 PM Contactless Determination of Martensitic Phase in Austenitic Steels - Tatiana Damatopoulou  
7:00 PM
The History of High Energy Physics at Athens NTU (until 7:20 PM)
7:00 PM Πειραματική Φυσική Υψηλών Ενεργειών στο ΕΜΠ - Manolis Dris (National Technical Univ. of Athens (GR))  
7:20 PM
Hellenic Society for the Study of High Energy Physics - Katerina Zachariadou (University of West Attica (GR)) (until 9:20 PM)