Name: HEP2025: 41st Conference on Recent Developments in High Energy Physics and Cosmology [NKUA]
Start: 2025-07-01T09:00:00+03:00
End: 2025-07-04T17:00:00+03:00
Location: National and Kapodistrian University of Athens

Monday 30 June 2025
Tuesday 1 July 2025
09:30
09:30 - 11:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

09:30 Welcome from the Rector - Gerasimos Siasos (NKUA)

10:00 Double Higgs Production via Vector Boson Fusion in SMEFT at the LHC - Athanasios Dedes (University of Ioannina)

10:30 Searching for sub-GeV particle dark matter with Spherical Proportional Counters - Konstantinos Nikolopoulos (Hamburg University (DE))
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: “Alkis Argyriadis” Amphitheatre
11:30
11:30 - 13:15
Room: “Alkis Argyriadis” Amphitheatre
Contributions

11:30 Development of Position Sensitive Deep Transient Spectroscopy as a background mitigation tool for CCD-based dark matter searches - Vagelis Gkougkousis (University of Zurich)

12:00 Constraining Dark Matter with Stellar Objects - Ioannis Dalianis (University of Cyprus)

12:30 Precision Gravity: From the LHC to LISA/ET - Rafael Porto (DESY)
13:15 Lunch Break
Lunch Break
13:15 - 14:30
Room: “Alkis Argyriadis” Amphitheatre
14:30
14:30 - 15:20
Room: “Alkis Argyriadis” Amphitheatre
Contributions

14:30 Search for Exotic Dark Matter using Radioactive Sources - HongJoo Kim (Kyungpook National University)

15:00 First Operations of the MIGDAL experiment at NILE - Lex Millins (University of Birmingham (GB))
15:20
15:20 - 15:50
Room: “Alkis Argyriadis” Amphitheatre
Contributions

15:20 Topological Defect Lines in the Free Boson RCFT - Anastasios Katsipis (EKPA)

15:35 Equivariant Localization in Supergravity - Antonis Stefas (National and Kapodistrian University of Athens)
Wednesday 2 July 2025
09:30
09:30 - 11:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

09:30 Fibre Inflation - George Leontaris (University of Ioannina (GR))

10:00 Cosmic Microwave Background measurements with microwave telescopes - Sotiris Loucatos (Université Paris-Saclay (FR) and APC)

10:30 Muon Performance in ATLAS with Run-3 Data - Stylianos Angelidakis (National and Kapodistrian University of Athens (GR))
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: “Alkis Argyriadis” Amphitheatre
11:30
11:30 - 13:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

11:30 ATLAS highlights - Anna Sfyrla (Universite de Geneve (CH))

12:15 CMS highlights - Hafeez Hoorani (Imperial College (GB))
13:00 Lunch Break
Lunch Break
13:00 - 14:30
Room: “Alkis Argyriadis” Amphitheatre
14:30
14:30 - 16:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

14:30 CMS HGCAL Status - Dimitra Tsionou (National Taiwan University (TW))

15:00 Measurements of the Higgs boson differential and production mode cross sections in the H->ZZ*->4l channel at √s = 13.6 TeV with the ATLAS detector - Konstantinos Sioulas (National and Kapodistrian University of Athens (GR))

15:20 Data-Driven Background Estimation for tt̄H(H→bb̄) in the Dilepton Channel with CMS - Haris Painesis (National and Kapodistrian University of Athens (GR))

15:40 Muon Reconstruction in the ATLAS Experiment for Phase-II - Dimitra Amperiadou (Aristotle University of Thessaloniki (GR))
16:00
16:00 - 17:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

16:00 Study of anomalous Quartic Gauge Couplings in pp -> ZZ -> 2l2v production at √s = 13 TeV in ATLAS - Eleni Papadimitriou (Aristotle University of Thessaloniki (GR))
Thursday 3 July 2025
09:30
09:30 - 11:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

09:30 On Final Results From the Muon $g\textrm{-}2$ Experiment at Fermilab - Eremey Valetov (Michigan State Univeristy)

10:00 Advancements in Resistive Silicon for 4D Tracking: Sensor Design, Environmental Testing, and Machine Learning-Based Reconstruction for Next-Generation HEP Detectors - Gaetano Barone (Brown University)

10:30 Massive spin-2 particles: Bimetric gravity and its applications to cosmology - Ioannis Gialamas (National Institute of Chemical Physics and Biophysics)
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: “Alkis Argyriadis” Amphitheatre
11:30
11:30 - 13:15
Room: “Alkis Argyriadis” Amphitheatre
Contributions

11:30 Positive Geometry in Particle Physics and Cosmology - Johannes Henn (Max Planck Institute for Physics, Munich)

12:15 New physics implications from the first CEvNS observation using solar $^8$B neutrinos - Dimitrios Papoulias (IFIC (CSIC/Valencia U.))

12:45 Towards numerical two-loop integrand reduction - Giuseppe Bevilacqua (NCSR Demokritos)
13:15 Lunch Break
Lunch Break
13:15 - 14:30
Room: “Alkis Argyriadis” Amphitheatre
14:30
14:30 - 16:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

14:30 Probing X→YH signatures in the bbγγ final state with parametric neural networks - Manos Vourliotis (Univ. of California San Diego (US))

15:00 Study of Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state with $308~\mathrm{fb}^{-1}$ of data collected at $\sqrt{s} = 13~\mathrm{TeV}$ and $13.6~\mathrm{TeV}$ by the ATLAS experiment - Spyros Merianos (Aristotle University of Thessaloniki (GR))

15:20 Study of tt̄H(H→bb̄) Events in the Opposite-Sign Dilepton Channel with the CMS Experiment Focusing on the Mass Reconstruction Method - Polytimi Iosifidou (National and Kapodistrian University of Athens (GR))

15:40 $t\bar{t}t\bar{t}$: NLO QCD corrections in production and decays for the $4\ell$ and $3\ell$ channels - Nikolaos Dimitrakopoulos (RWTH Aachen University)
16:00 Coffee Break
Coffee Break
16:00 - 16:30
Room: “Alkis Argyriadis” Amphitheatre
16:30
16:30 - 19:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

16:30 Memorial for A. Filippas and T. Papadopoulou

16:50 Report from General Secretary of Research & Innovation representative to CERN

17:10 News from Open Symposium on the European Strategy for Particle Physics - Paris Sphicas (CERN/Athens)

17:40 Report from EESFYE’s liaison to Industry - Nikos Manthos (University of Ioannina (GR))

17:50 Report from EESFYE’s representative to ACCU - Ioannis Kopsalis (National Technical Univ. of Athens (GR))

18:00 Report from EESFYE's outreach coordinator - Christine Kourkoumelis (National and Kapodistrian University of Athens (GR))

18:10 CERN Alumni Network Programme and the Athens Group - Michele Barone (Nat. Cent. for Sci. Res. Demokritos (GR))

18:20 Report from the EESFYE Executive Committee - Katerina Zachariadou (University of West Attica (GR))

18:40 Round table for EESFYE matters
20:00

20:00 - 23:00
Room: “Alkis Argyriadis” Amphitheatre
Friday 4 July 2025
09:30
09:30 - 11:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

09:30 Axion-Mediated Photonic Transitions in High-Q Dielectric Resonators - Evangelos Almpanis

10:00 Probing the Universe's Topology through a Quantum System? - Evangelos Achilleas Paraskevas (University of Ioannina)

10:20 Entanglement Entropy in Field Theory and Cosmology - Kostas Boutivas (University of Athens)

10:40 Resolving the $H_0$ tension in Horndeski Gravity - Maria Petronikolou (National Technical University of Athens, School of Applied Mathematical and Physical Sciences)
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: “Alkis Argyriadis” Amphitheatre
11:30
11:30 - 13:00
Room: “Alkis Argyriadis” Amphitheatre
Contributions

11:30 The Giant Radio Array for Neutrino Detection (GRAND) - Prototypes and Path Forward - Stavros Nonis (Hellenic Open University)

12:00 GRAND experiment: Antenna Modeling, Galactic Background and Trigger Studies - George Vittakis (University of the Aegean)

12:20 Probing Standard Model and Beyond via Elastic Neutrino Electron Scattering at the DUNE Near Detector - Panteleimon Melas

12:40 Measurement of the top quark mass from boosted top antitop processes in proton proton collisions. - Eirini Siamarkou (National Technical Univ. of Athens (GR))
13:00 Lunch Break
Lunch Break
13:00 - 14:30
Room: “Alkis Argyriadis” Amphitheatre
14:30
14:30 - 15:45
Room: “Alkis Argyriadis” Amphitheatre
Contributions

14:30 Study of pp→HH→bbγγ production at \sqrt{s}=13TeV using ATLAS simulations - Eliana Kapsali (Aristotle University of Thessaloniki (GR))

14:45 Implementation of the Artificial Retina Method for Offline Analysis of Test-Beam Data for the ATLAS New Small Wheel Micromegas - Athanasios Koutsostathis (National Technical Univ. of Athens (GR))

15:00 Studies on high-η muons with the Run3 data of the ATLAS experiment. - Nikolaos Kamaras (National and Kapodistrian University of Athens (GR))

15:15 Identification of Non-Collision Background Muons in the ATLAS Detector During Run-3 - Anna Vasileiadou (National and Kapodistrian University of Athens (GR))