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AstroParticle Symposium 2023

October 23, 2023 to November 17, 2023
Institut Pascal
Europe/Paris timezone

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Contribution List

52 / 52
43. Colloquium: How to invalidate the standard (cold dark matter) model of cosmology
10/23/23, 2:00 PM
6. Discussion around simulations
10/23/23, 3:30 PM
44. Colloquium: The BBN/CMB connection: Post Planck
10/24/23, 11:00 AM
45. Colloquium : Primordial Black Holes After 50 Years: A Positive Perspective
10/24/23, 2:00 PM
46. Discussion : Turning around PBH
10/24/23, 3:30 PM
7. Fate of métastable vacua around primordial black holes
Dr Lucien Heurtier
10/25/23, 9:40 AM
19. MSSM inflation revisited
Mr gilles weymann-despres
10/25/23, 10:00 AM
3. Primordial Black hole reheating and its possible signatures
Dr Riajul Haque
10/25/23, 10:20 AM
23. Inflationary and post-inflationary scalar dark matter production
Prof. Marcos Garcia
10/25/23, 10:40 AM
20. Freeze in at stronger coupling
Prof. Oleg Lebedev
10/25/23, 11:20 AM
27. Minimal sterile neutrino dark matter
Prof. Torsten Bringmann
10/25/23, 11:40 AM
24. Gravitational Waves Shed Light on Particle Decay
Dr Kunio Kaneta
10/25/23, 12:00 PM
2. Gravitational Neutrino Reheating
Prof. Debaprasad Maity
10/25/23, 12:20 PM
28. Matter-antimatter asymmetry and dark matter stability from baryon number conservation
Prof. Alejandro Ibarra
10/25/23, 2:00 PM
22. Strong Backreaction of Axion inflation
Dr Daniel Figueroa
10/25/23, 2:20 PM
21. New Insight on Neutrino Dark Matter Interactions from Small-Scale CMB Observations
Dr Sebastian Trojanowski
10/25/23, 2:40 PM
26. Reheating after inflaton fragmentation
Dr Mathias Pierre
10/25/23, 3:00 PM
29. Positivity bounds on Higgs-portal dark matter
Prof. Hyun Min Lee
10/25/23, 3:40 PM
30. Freeze-in baryogenesis and early matter domination
Prof. Andreas Goudelis
10/25/23, 4:00 PM
31. Higgs inflation at the pole
Ms Adriana Guerrero Menkara
10/25/23, 4:20 PM
25. History of a hot hidden dark sector
Mr Jean Kimus
10/25/23, 4:40 PM
47. Colloquium : Cosmology with future CMB experiments
10/26/23, 2:00 PM
48. Colloquium: Multimessenger observations with gravitational waves from ground-based interferometers
10/26/23, 3:15 PM
49. Discussion: Gravitino Dark Matter
10/27/23, 11:00 AM
32. SEMINAR: Gauss-Bonnet gravity and conformally coupled scalar fields in four-dimensions
Pedro Fernandes
11/6/23, 2:00 PM
33. DISCUSSION SESSION: Numerical Solutions and Scalarisation
Daniela Doneva (University of Tuebingen)
11/7/23, 10:00 AM

Discussion led by Daniela Doneva
34. COLLOQUIUM: Black holes beyond GR: from no-hair theorems to non-linear dynamics
Thomas Sotiriou (Nottingham University)
11/7/23, 2:00 PM
36. DISCUSSION SESSION: Black Hole Perturbations
Hugo Roussille (ENS de Lyon)
11/8/23, 10:00 AM

Discussion led by Hugo Roussille
50. SEMINAR : The cosmological constant is probably still zero
Prof. Tony Padilla (Nottingham)
11/8/23, 2:00 PM
37. SEMINAR: The ringdown of horizonless compact objects
Elisa Maggio (Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Potsdam)
11/8/23, 4:00 PM
35. PUBLIC LECTURE: Les trous noirs et la fin du temps en relativité générale (in french)
Alejandro Perez (Université de Marseille)
11/8/23, 7:25 PM
40. Athanasios Bakopoulos (NTUA Athens) “Compact Objects in Scalar-Tensor theories”
11/9/23, 10:00 AM

We analyse in all generality beyond Horndeski theories of shift symmetry in a static and spherically symmetric spacetime. By introducing four auxiliary functions, we write the field equations in a particularly compact form. We show that assuming additionally parity symmetry renders the system directly integrable giving multiple families of black-hole solutions. These have typically an...
41. Jibril Ben Achour (ENS Lyon), "Exploring non-perturbative gravitational waves in Horndeski gravity"
11/9/23, 11:30 AM
38. DISCUSSION SESSION: Spectral Instability of Black Holes
Kyriakos Destounis (University of Rome)
11/10/23, 10:00 AM

Discussion led by Kyriakos Destounis
39. SEMINAR: Perturbation Theory with Black Hole Quasi-Normal Modes
Laura Sberna (Max Planck Institute for Gravitational Physics (Albert Einstein Institute))
11/10/23, 1:30 PM
9. LIGO/Virgo/KAGRA
Tito Dal Canton
11/13/23, 2:00 PM
10. Discussion
11/13/23, 2:20 PM
8. Pulsar Timing Arrays
Antoine Petiteau (CEA/IRFU/DPhP)
11/13/23, 3:00 PM
11. Discussion
11/13/23, 3:20 PM
12. An investigation into the absence of detected VHE emission from GRBs prior to 2018
Halim ASHKAR (CNRS - Ecole Polytechnique - LLR)
11/14/23, 9:30 AM
17. Probing Gamma-Ray Burst at Very High Energy : Results from 15 Years of H.E.S.S. Observations
Mathieu de Bony de Lavergne (IRFU, CEA, Université Paris-Sacla)
11/14/23, 9:50 AM
13. H.E.S.S. real-time follow-up on high-energy neutrino alerts from IceCube
Federica Bradascio (CEA/IRFU)
11/14/23, 10:10 AM
15. GW follow-ups with IACTs
Monica Seglar Arroyo (CEA)
11/14/23, 10:30 AM
14. CTA Coordination on Real-Time and Multi-Messenger Astrophysics
Ulisses Barres de Almeida
11/14/23, 10:50 AM
42. Diffuse gamma-ray and neutrino background from Galactic Ridge
Dmitri Semikoz
11/14/23, 11:30 AM

We show that the IceCube observation of the Galactic neutrino flux component confirms the hint of detection of neutrinos from the Galactic Ridge (the inner part of the Milky Way disk within the Galactic longitude |l|<30 degrees), previously reported by the ANTARES collaboration. This confirmation indicates that the bulk of the high-energy flux from the Galactic Ridge in multi-TeV band is...
16. Elusive Diffuse Gamma-Ray Emission in Galaxy Clusters: The Role of Cosmic-Ray Transport
Patrick Reichherzer (University of Oxford)
11/14/23, 11:50 AM
18. Mind everywhere: the future of engineering
Balazs Kegl
11/14/23, 3:00 PM

Imagine a world where each "thing" comes with AI built-in. Your phone video app, to assure that you enjoy uninterrupted service, intelligently buffers the video and requests a varying number of packets ahead, using predictive models about you, the video you are watching, and the world. The mobile base station allocates frequencies, roams phones, focuses beams intelligently to serve all phones...
51. GRB 221009A: the BOAT
Eric Burns, Xiang-Yu Wang
11/15/23, 10:00 AM
52. SWGO
Ulisses Barres de Almeida
11/16/23, 11:30 AM
5. Expérimental searches and prospect
4. How did I found them? An historical perspective
Prof. Bernard Carr
1. Primordial Black Hole : How, Where and When?

A review and discussion sessions concerning PBHn from historical aspects to constraints
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