Name: 3rd General Meeting of COST Action COSMIC WISPers (CA21106)
Start: 2025-09-09T08:15:00+03:00
End: 2025-09-12T23:20:00+03:00
Location: Sofia, Bulgaria

3rd General Meeting of COST Action COSMIC WISPers (CA21106)

from Tuesday, September 9, 2025 (8:15 AM) to Friday, September 12, 2025 (11:20 PM)

Monday, September 8, 2025
Tuesday, September 9, 2025

8:15 AM

8:15 AM - 9:00 AM
Room: Main lobby

9:00 AM

9:00 AM - 9:20 AM
Room: Aula
9:20 AM
9:20 AM - 10:40 AM
Room: Aula
Contributions

9:20 AM CP, or not CP, that is the question - Andreas Ringwald (DESY)

10:00 AM Open string axiverse - Giovanni Villadoro
10:40 AM Coffee break
Coffee break
10:40 AM - 11:00 AM
Room: Main lobby
11:00 AM
11:00 AM - 1:00 PM
Room: Aula
Contributions

11:00 AM Testing interactions in a scalar dark sector - Elsa Teixeira

11:40 AM The Thorium-229 revolution: nuclear clocks as quintessometers - Cedric Delaunay (LAPTh)

12:20 PM Axion Quality: Challenges and Pathways to Improvement - Federico Mescia
2:30 PM
2:30 PM - 3:30 PM
Room: Aula
Contributions

2:30 PM WG1 Report - Michele Cicoli (Istituto Nazionale di Fisica Nucleare)

3:00 PM Discussion
3:30 PM
3:30 PM - 4:30 PM
Room: Hall 2
Contributions

3:30 PM Topological Portals to the Dark Sector - Nudzeim Selimovic (INFN Padova)

4:00 PM Cosmic superstrings in large volume compactifications - Gonzalo Villa (DAMTP - University of Cambridge)
3:30 PM - 4:30 PM
Room: Aula
Contributions

3:30 PM Scalar Fields with Quadratic Couplings to Matter around Cavities - Angus Macdonald (University of Nottingham)

3:50 PM Dark Matter Freeze-In and Small-Scale Observables: Novel Mass Bounds and Viable Particle Candidates - Alessandro Lenoci (The Hebrew University of Jerusalem)

4:10 PM Constraining ALPs with Cosmic Microwave Background Polarization Birefringence - Matteo Galaverni (Vatican Observatory & INAF/OAS Bologna)
4:30 PM Coffee Break
Coffee Break
4:30 PM - 4:50 PM
Room: Main lobby
4:50 PM
4:50 PM - 6:10 PM
Room: Hall 2
Contributions

4:50 PM Growth of cosmic strings with field-dependent tension - Luca Brunelli (Istituto Nazionale di Fisica Nucleare)

5:20 PM Cosmic strings and domain walls of the QCD quark condensate with and without a hidden axion - Anja Stuhlfauth (Max Planck Institute for Physics)
4:50 PM - 6:20 PM
Room: Aula
Contributions

5:10 PM Dark matter production from axion portal - Tommaso Sassi (INFN Sezione di Firenze, Università degli Studi di Firenze)

5:30 PM Emission of spin-2 Particles from the Sun - Camilo Garcia Cely (IFIC (CSIC-University of Valencia))

5:50 PM WISP Dark Matter: What's Missing? - María Benito (Tartu Observatory, University of Tartu)
6:30 PM Welcome reception
Welcome reception
6:30 PM - 8:00 PM
Room: Main lobby
Wednesday, September 10, 2025
9:30 AM
9:30 AM - 10:50 AM
Room: Aula
Contributions

9:30 AM X-ray observations and their applications to the physics of axions (or other WISPs) - Jaime Ruz

10:10 AM Axion superradiance - Francesca Chadha-Day (IPPP, Durham University)
10:50 AM Coffee break
Coffee break
10:50 AM - 11:20 AM
Room: Main lobby
11:20 AM
11:20 AM - 12:40 PM
Room: Sofia University Main Building
Contributions

11:20 AM Radio observations and their applications to the physics of axions (or other WISPs) - Marco Regis (Istituto Nazionale di Fisica Nucleare)

12:00 PM Theoretical progress on SN axions. - Konstantin Springmann (TU Munich)
2:30 PM
2:30 PM - 3:30 PM
Room: Aula
Contributions

2:30 PM WG3 Report - Giuseppe Lucente (SLAC) Maurizio Giannotti

3:00 PM Discussion
3:30 PM
3:30 PM - 4:30 PM
Room: Aula
Contributions

3:30 PM X-ray Searches for Axions: The M82 and Betelgeuse Case Studies - Francisco Candon

3:50 PM Probing axion-like particles with multimessenger observations of neutron star mergers - Francesca Lecce

4:10 PM Axion production and conversion in astrophysical transients - Ángel Gil Muyor
3:30 PM - 4:30 PM
Room: Hall 2
Contributions

3:30 PM ARCHIMEDES experiment - Domenico D’Urso

3:50 PM Recent Developments in Axion Detection with MADMAX - Anton Ivanov

4:10 PM Bridging nuclear physics and neutron stars at the LHC - Dimitar Mihaylov
4:30 PM Coffee break
Coffee break
4:30 PM - 5:00 PM
Room: Main lobby
5:00 PM
5:00 PM - 6:20 PM
Room: Aula
Contributions

5:00 PM Relaxing supernova constraints: how nucleophobic axions survive finite-density corrections. - Vincenzo Fiorentino

5:20 PM Probing axion-like particles with very-high-energy gamma rays: Insights from MAGIC and LST-1 - Ivana Batkovic

5:40 PM Sensitivity of CTAO to axion-like particles from blazars: a machine learning approach - Francesco Schiavone

6:00 PM Probing Ultralight Scalars through Compact Stars and Precision Tests of Gravity - Tanmoy Poddar
5:00 PM - 6:20 PM
Room: Hall 2
Contributions

5:00 PM Precision test of fundamental physics with matter wave interferometers - Nicola Poli (Istituto Nazionale di Fisica Nucleare)

5:20 PM Hunting for Dark Matter using Levitated Superconductors - Jackson Fowler
Thursday, September 11, 2025
9:30 AM
9:30 AM - 10:50 AM
Room: Aula
Contributions

9:30 AM New Opportunities for Ultralight DM Search with Stochastic Fluctuations - Hyungjin Kim

10:10 AM Cosmological tests of the nature of dark matter - Keir Rogers
10:50 AM Coffee break
Coffee break
10:50 AM - 11:20 AM
Room: Main lobby
11:20 AM
11:20 AM - 12:40 PM
Room: Aula
Contributions

11:20 AM Cracks in the Standard Cosmological Model: Anomalies, Tensions, and Hints of New Physics - Eleonora Di Valentino (University of Sheffield)

12:00 PM Gravitational probes of ultralight dark matter - Kfir Blum
2:30 PM
2:30 PM - 3:30 PM
Room: Aula
Contributions

2:30 PM WG2 Report - María Benito (Tartu Observatory, University of Tartu) Mathieu Kaltschmidt (CAPA, Universidad de Zaragoza)

3:00 PM Discussion
3:30 PM
3:30 PM - 5:00 PM
Room: Aula
Contributions

3:30 PM Advances in optomechanics - Nenad Kralj

4:00 PM Satellites & Space Missions - Lubomir Toshev (EnduroSat) Viktor Danchev (CTO EnduroSat)

4:30 PM Magnetometry: from single measurements to network of magnetometers - Boyan Benev (Benev Science & Technology Ltd)
5:00 PM Coffee break
Coffee break
5:00 PM - 5:30 PM
Room: Main lobby
6:00 PM Public talk
Public talk
6:00 PM - 7:30 PM
Room: A205
Contributions

6:00 PM Public talk: COSMIC WISPers in the Dark Universe - Kalina Dimitrova Venelin Kozhuharov
8:00 PM

8:00 PM - 10:00 PM
Room: Restaurant "Stariyat Chinar"
Friday, September 12, 2025
9:00 AM
9:00 AM - 10:20 AM
Room: Aula
Contributions

9:00 AM Preliminary ALPs sensitivity projections for the RES-NOVA Observatory - Nahuel Ferreiro Iachellini

9:40 AM Probing new physics with slow and trapped molecules - Steven Hoekstra (University of Groningen, and Nikhef, The Netherlands)
10:20 AM Coffee break
Coffee break
10:20 AM - 10:40 AM
Room: Main lobby
10:40 AM
10:40 AM - 12:00 PM
Room: Aula
Contributions

10:40 AM WISPFI experiment - Marios Maroudas

11:20 AM PADME Experiment - Elisa Di Meco
12:00 PM
12:00 PM - 12:40 PM
Room: Aula
Contributions

12:00 PM WG4 report - Marin Karuza (Istituto Nazionale di Fisica Nucleare)
12:40 PM
12:40 PM - 1:20 PM
Room: Aula
Contributions

12:40 PM Axions explain the formation of supermassive black holes at cosmic dawn - Pierre Sikivie
1:20 PM

1:20 PM - 1:30 PM
Room: Aula
3:00 PM
3:00 PM - 5:00 PM
Room: Aula
Contributions

3:00 PM CA21106 Introduction - Alessandro Mirizzi (Istituto Nazionale di Fisica Nucleare)

3:20 PM WG1 report - Michele Cicoli (Istituto Nazionale di Fisica Nucleare)

3:40 PM WG2 Report - María Benito (Tartu Observatory, University of Tartu) Mathieu Kaltschmidt (CAPA, Universidad de Zaragoza)

4:00 PM WG3 Report - Maurizio Giannotti

4:20 PM WG4 report - Marin Karuza (Istituto Nazionale di Fisica Nucleare)

4:40 PM WG5 report - Loredana gastaldo (Kirchhoff Institute for Physics, Heidelberg University) Olga Requejo
5:00 PM Coffee break
Coffee break
5:00 PM - 5:20 PM
Room: Main lobby
5:20 PM
5:20 PM - 7:30 PM
Room: Aula
Contributions

5:20 PM Grant awarding coordinator report - Venelin Kozhuharov (Univerity of Sofia "St. Kl. Ohridski" & LNF-INFN)

5:40 PM ECI Committee Report - Marta Fuentes Zamoro

6:00 PM Report from Gender and Diversity Advisor - Deniz Sunar Cerci

6:20 PM Draft of W&B Plan 2026 - Alessandro Mirizzi (Istituto Nazionale di Fisica Nucleare)

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