Paris-Saclay Astroparticle Symposium 2026

Liste des Contributions

1. H0 tension

Vivian Poulin

26/10/2026 11:00

19. Physics and simulations of scalar dark matter around black holes

Katy Clough

26/10/2026 14:00

50. Cosmology with CMB and space-based galaxy surveys. Status and prospects

Giulio Fabbian

26/10/2026 16:05

2. Primordial Black Holes from Cosmology

Tom Giblin

27/10/2026 11:00

26. Growth of supermassive black holes in the era of JWST and nanograv, do they need new physics?

Malcom Fairbairn

27/10/2026 14:00

4. S251112cm: Exploring the Primordial Black Hole Origin of a Subsolar-Mass Merger Candidate

Riajul Haque

28/10/2026 09:40

23. Cosmological evolution of the SUSY scale

Wenqi Ke

28/10/2026 10:00

5. From Reheating to Inflaton Regeneration

Kunio Kaneta

28/10/2026 10:20

6. Thermal damping of a Spectator Scalar

Sarunas Verner

28/10/2026 10:40

11. Leptogenesis and Low Reheating Temperatures

Stephen Henrich

28/10/2026 11:30

8. Radiative reheating and leptogenesis

Marcos Garcia

28/10/2026 11:50

9. Inflaton accretion onto primordial black holes during reheating

Debu Maity

28/10/2026 12:10

24. On the gravitational portal to Dark QED

Simon Clery

28/10/2026 12:30

10. Temperature of the Early Universe and freeze-in

Oleg Lebedev

28/10/2026 13:40

7. A Model of GeV-Scale Dark Matter Stabilized by Baryon Number Conservation

Alejandro Ibarra

28/10/2026 14:00

12. Boltzmann Equation Solver for Thermalization

Jay Yoon

28/10/2026 14:20

27. Spontaneous Scoto-leptogenesis

Junho Song

28/10/2026 14:40

13. Inelastic dark matter and baryon flavor symmetry

Hyun Min Lee

28/10/2026 15:30

14. Fermionic (p)reheating: understanding the non-perturbative aspects

Nabeen Bhusal

28/10/2026 15:50

15. Cosmic Stasis: Phenomenological Signatures

Lucien Heurtier

28/10/2026 16:10

41. A General Perspective on Boosted Dark Matter from Semi-annihilation

Dr Seongsik Kim

28/10/2026 16:30

16. On the Bondi accretion of a self-interacting complex scalar field

Alexander Vikman

28/10/2026 17:20

17. Natural hybrid inflation with Z_N waterfalls

Adriana Menkara

28/10/2026 17:40

18. Cosmological gravitational particle production: Scalars and fermions

Duarte Feiteira

28/10/2026 18:00

25. Probing axion dark matter with casimir graphene interactions

Ahmad Alachkar

28/10/2026 18:20

20. Quadratic couplings and dark matter

Claire Burrage

29/10/2026 11:00

21. Perspective on black holes and gravitational waves

Juan Garcia-Bellido

29/10/2026 15:00

3. Looking for new physics via CMB and GWs

Nicola Bartolo

30/10/2026 11:00

42. Introduction

Jonathan Biteau (Université Paris-Saclay, CNRS/IN2P3, IJCLab)

09/11/2026 09:00

43. Overview of brokers - Fink how to Julien Peloton

Julien Peloton (CNRS-IJCLab)

09/11/2026 09:10

44. Overview of platforms - AstroColibri how to Ilja Jaroschewski

Ilja Jaroschewski (CEA - IRFU - DPhP)

09/11/2026 09:40

45. Open questions

09/11/2026 10:10

46. Extreme states of blazars

Julian Hamo (IJCLab)

10/11/2026 09:00

Examples of project implementations

47. Public GRB follow-up schedule

Bernardo Cornejo Avila (CEA IRFU/DPhP)

10/11/2026 09:20

Examples of project implementations

48. AstroColibri TBD

Ilja Jaroschewski (CEA - IRFU - DPhP)

10/11/2026 09:40

Examples of project implementations

49. Hunting contaminants for fast transients

M. Roman Le Montagner (IJCLab)

10/11/2026 10:00

Examples of project implementations

28. Community-driven best-practice recommendations for Open Science in High-Energy Physics

Kati Lassila-Perini (CERN)

12/11/2026 10:00

29. Open Data from the CMS Experiment at the LHC

Thomas McCauley (University of Notre Dame)

12/11/2026 10:30

Since 2014, CMS has regularly released research-quality collision data and simulation, software and documentation to the public via the CERN Open Data Portal. These data have found extensive use in educational programs as well as in the larger research community. This talk will describe the content of CMS Open Data and how it has been used and its impact. It will also explore the challenges...

30. Combining Neutrino Experiments: From Oscillations to Interactions, and the Role of Open Data

Anezka Klustova (Imperial College)

12/11/2026 11:30

Neutrino oscillation physics is entering a precision era: current and future experiments are set to determine the neutrino mass hierarchy and probe charge-parity violation in the lepton sector. Combining data across experiments offers a faster and more robust route to discovery, while also testing the consistency between them. One of the dominant uncertainties in oscillation measurements comes...

31. DMDC (Heerak Banerjee)

12/11/2026 12:00

38. Data Formats for Gamma-ray Astronomy (Maximilian Linhoff)

12/11/2026 14:00

33. The opening up of data from the Pierre Auger Observatory: an ever-evolving journey

Piera Luisa Ghia (IJCLab, IN2P3, CNRS)

12/11/2026 14:30

In 2001, the first detectors of what would become the Pierre Auger Observatory recorded their first cosmic-ray events in the Pampa Amarilla, Argentina. Over the following 25 years, the Observatory has continuously evolved in its instrumentation, analysis methods, scientific results, and scope. The Collaboration's mindset has evolved too, embracing new scientific perspectives and, more...

34. The CTAO Open Science Data Challenge

Stefano Marchesi (INAF)

13/11/2026 09:30

The CTAO Open Science Data Challenge will be the first Science Data Challenge (SDC) organised by the Cherenkov Telescope Array Observatory (CTAO) open to the whole science community. In this talk, I will present the preparatory work that has been done on the SDC, and the opportunities that the SDC will provide to the community for gaining familiarity with data analysis tools, as well as for...

36. Open Science Projects in Neutrino Physics

Philipp Eller (TU Munich)

13/11/2026 10:00

This talk will highlight two open science initiatives that we have launched in neutrino physics.

The first part will focus on the IceCube Kaggle Competition. I will discuss the motivation behind the project, its organisation and execution, the outcomes and impact of the competition, and plans for a possible future Kaggle challenge.

The second part will present an open-source, open-data...

37. Firmamento: a web platform for high-energy and multi-messenger astrophysics

Paolo Giommi

13/11/2026 11:00

Firmamento (https://firmamento.space) is a web-based data retrieval and analysis platform dedicated to multi-frequency/multi-messenger cosmic sources.
Besides giving access to imaging, spectral, and timing astronomical data, as well as literature information, Firmamento provides Value-Added products and AI-Assisted special tools to support a very wide community of users, including citizen...

35. MMODA (Andrii Neronov)

13/11/2026 11:30

32. Beyond the exclusion curve: open data and reinterpretation tools in XENONnT

Maxime Pierre (Nikhef)

13/11/2026 12:00

Direct detection experiments usually publish their results as exclusion curves for a few benchmark models, which limits how others can reuse them. In XENONnT, we accompany key results, whenever possible, with public data releases on GitHub, archived with a DOI on Zenodo. I will present what these packages typically contain, such as background and signal templates, detector-response models,...

39. TeVCat

Deirdre HORAN (LLR / Ecole Polytechnique / CNRS / IN2P3)

13/11/2026 14:00

40. Masterclass CERN

Yasmine Amhis (IJCLab)

13/11/2026 14:30

22. TBA

TBA