Name: Journées de Rencontre Jeunes Chercheur·se·s 2025
Start: 2025-11-30T00:00:00+01:00
End: 2025-12-06T00:00:00+01:00
Location: No location set

Journées de Rencontre Jeunes Chercheur·se·s 2025

de dimanche 30 novembre 2025 (00:00) à samedi 6 décembre 2025 (00:00)

lundi 24 novembre 2025
mardi 25 novembre 2025
mercredi 26 novembre 2025
jeudi 27 novembre 2025
vendredi 28 novembre 2025
samedi 29 novembre 2025
dimanche 30 novembre 2025

lundi 1 décembre 2025

08:45 Introduction

08:45 - 09:00
09:00 Standard Model
09:00 - 10:20
Contributions

09:00 Session Overview - Giulia DI GREGORIO (IJCLab)

09:30 Electron Trigger Performance and Efficiency Measurements in ATLAS Run 3 - Timoty Duong

09:55 Neural Simulation Based Inference for Constraining Higgs self-coupling with HH->bbyy at ATLAS experiment - David Rousseau Louis Fayard Zirui Liu (IJCLab)
10:20 Coffee break
Coffee break
10:20 - 10:50
10:50 Standard Model
10:50 - 12:30
Contributions

10:50 Jet Classification with Particle Transformers: A Multiclass Learning Approach - Andrés Duque (Laboratoire de Physique de Clermont Auvergne)

11:15 Identification of highly Lorentz-boosted Higgs bosons decaying to ττ jets in the ATLAS experiment - Inès Combes (Université Paris-Saclay (IJCLab))

11:40 Developments in b-tagging for the ATLAS upgrade and their impact on di-Higgs sensitivity - Léonardo SPLENDORI (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))

12:05 Non-resonant Higgs boson pair production search and photon shower shapes correction via normalizing flows - Katerina Kazakova (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))
12:30 Lunch break
Lunch break
12:30 - 13:55
13:55 Standard Model
13:55 - 15:35
Contributions

13:55 Semi-Leptonic Vector Boson Scattering in the ATLAS detector - Olivier SALIN (Université Paris-Saclay)

14:20 Multivariate analysis of the EW gauge bosons' polarisation at the LHC with the ATLAS experiment - Mathis Dubau (LAPP)

14:45 Measurement of the electroweak diboson production in the W±Z channel, with the ATLAS detector at LHC - Panagiotis Ziakas (L.A.P.P.)

15:10 Measurement of the tau polarization and the electroweak mixing angle in Z boson decays to tau leptons - Cyril Eschenlauer
15:35 Flavor Physics
15:35 - 16:05
Contributions

15:35 Session overview - Vitalii Lisovskyi (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)
16:05 Coffee break
Coffee break
16:05 - 16:35
16:35 Flavor Physics
16:35 - 18:15
Contributions

16:35 Search for the decay $B \to \tau^+ \tau^-$ at BELLE and BELLE II - Mattia Marfoli (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)

17:00 FCC-ee Sensitivity Estimation to the Direct CP-Violating Decay-Rate Asymmetry $A_{\text{$C\!P$}}(D^0 \rightarrow \pi^0\pi^0)$ - Willy WEBER (LPCA) Willy WEBER (LPCA)

17:25 Towards radiative dipion cross section measurement at Belle II for the g-2 - Kylian DEMORY (IJClab)

17:50 Search for Bₛ → Kππ⁰ decay mode using LHCb Run 2 Data - Laetitia Guerry
mardi 2 décembre 2025
09:20 Astroparticle / Cosmology
09:20 - 10:15
Contributions

09:20 Session overview - Federica BRADASCIO (IJCLab, Université Paris-Saclay)

09:50 Study of cosmic expansion anisotropy with type Ia supernovae from ZTF. - Chloé Barjou-Delayre
10:15 Coffee break
Coffee break
10:15 - 10:45
10:45 Astroparticle / Cosmology
10:45 - 12:30
Contributions

10:45 Etude de phénomènes transitoires à très haute énergie avec le réseau de télescopes H.E.S.S. - Pierre Pichard (APC)

11:10 A new era for multi-wavelength studies of blazars with Rubin and the CTAO - Julian Hamo (IJCLab)

11:35 Pulse Shape Discrimination in Liquid Argon and its application in background rejection for the DarkSide20 Dark Matter experiment. - Janna Machts

12:00 Transient gamma-ray sky with the future Cherenkov Telescope Array Observatory (CTAO) and validation tests with the NectarCAM camera - Anastasiia Mikhno
12:30 Lunch break
Lunch break
12:30 - 13:55
13:55 Astroparticle / Cosmology
13:55 - 15:10
Contributions

13:55 High energy follow-up of transient sources with H.E.S.S. - Bernardo Cornejo (CEA - Irfu)

14:20 Enhancing MBTA Efficiency and Template Banks Generation for Sub-Solar-Mass Black Hole Searches - Gaspard Joubert

14:45 Autonomous radio-detection of cosmic rays with GRANDProto300 - Nathan Lebas
15:10 Neutrino physics
15:10 - 16:05
Contributions

15:10 Session overview - Adrien Blanchet (CERN EP-NU)

15:40 Prospect of future neutrino oscillation analysis with T2K's upgraded near detector. - Jean-Baptiste Plançon (Laboratoire Leprince-Ringuet)
16:05 Coffee break
Coffee break
16:05 - 16:35
16:35 Neutrino physics
16:35 - 17:25
Contributions

16:35 Low-energy calibration of DUNE prototypes at CERN with Michel electron energy reconstruction - Jérémy QUELIN LECHEVRANTON (IJCLab, DUNE)

17:00 Low-energy neutrinos with DUNE, data reconstruction and analysis with DUNE’s Prototypes and sensitivity to solar neutrinos - Maël Martin (LAPP)
17:25 Hadronic Physics
17:25 - 18:20
Contributions

17:25 Session overview - Benjamin Audurier (CEA)

17:55 Experimental study of the strong interaction with the spectrometer ALERT and CLAS at JLab - Félix TOUCHTE CODJO (PHE/JLab-EIC)
mercredi 3 décembre 2025
09:00 Hadronic Physics
09:00 - 10:15
Contributions

09:00 b-jet tagging in p-p with Boosted Decision Trees with the ALICE experiment - CLEMENT LOTTEAU

09:25 First measurement of the DVCS beam spin asymmetry in the Sullivan process - Elouan Ferrand (DPhN/CEA Saclay)

09:50 First steps towards detection of the Bc meson in Pb-Pb collisions with the ALICE detector - Paul Veen (Paris-Saclay/CEA)
10:15 Coffee break
Coffee break
10:15 - 10:45
10:45 Hadronic Physics
10:45 - 11:35
Contributions

10:45 Transverse-momentum fraction of strange particles in mini-jets in pp collisions at the LHC with ALICE - Lang XU

11:10 Measurement of Υ(nS) and prompt/non-prompt J/ψ fraction at forward rapidity in pp collisions at √sNN = 13.6 TeV with ALICE & Tuning of detector response and noise in MC simulations - Stanislas Lambert
11:35 Theory
11:35 - 12:30
Contributions

11:35 Session overview - Jonathan Kriewald (Jožef Stefan Institute)

12:05 Freeze-in with low reheating temperature - Thomas REGGIO (LPCA)
12:30 Lunch break
Lunch break
12:30 - 14:00

14:00 Excursion
Excursion
14:00 - 18:00
jeudi 4 décembre 2025
08:55 Theory
08:55 - 09:45
Contributions

08:55 Scalar waves beyond eikonal approximation - Emma Bruyere (IAP)

09:20 Self-interacting neutrinos in light of recent CMB and LSS data - Adèle Poudou (LUPM)
09:45 Beyond Standard Model
09:45 - 10:15
Contributions

09:45 Session overview - Angela Burger (L2I Toulouse, CNRS/IN2P3, Université de Toulouse)
10:15 Coffee break
Coffee break
10:15 - 10:45
10:45 Beyond Standard Model
10:45 - 11:35
Contributions

10:45 Automatizing the search for mass resonances using BumpNet - Eva Mayer (Université Clermont Auvergne)

11:10 Toward a New Measurement of the Neutron Electric Dipole Moment at the n2EDM Experiment - Antoine VEZON (LPC CAEN)
11:35 Invited talk
Invited talk
11:35 - 12:30

12:30 Lunch break
Lunch break
12:30 - 13:30

13:30 Invited talk
Invited talk
13:30 - 15:10
15:10 Instrumentation
15:10 - 16:05
Contributions

15:10 Session overview - Christina AGAPOPOULOU (IJCLab)

15:40 The ATLAS High Granularity Timing Detector at the High-Luminosity LHC - Abdelhamid Haddad (LPCA, Université Clermont-Auvergne, CNRS/IN2P3 (FR))
16:05 Coffee break
Coffee break
16:05 - 16:35
16:35 Instrumentation
16:35 - 18:15
Contributions

16:35 Impact of extreme ultraviolet radiation on the scintillation of pure and xenon-doped liquid argon - Evangelia Nikoloudaki (APC)

17:00 Development of innovative electronics for a radiometer aimed at axion dark matter searches - Morane Gautier

17:25 Étude de l’impact de la précision temporelle du prototype T-SDHCAL dans la reconstruction des jets. - William VAGINAY (CNRS - IP2I)

17:50 3γ Imaging with ⁴⁴Sc: PMT Calibration and Data Processing in Xemis 2 - Yohann RAMSI (subatech)
vendredi 5 décembre 2025

10:15 Coffee break
Coffee break
10:15 - 10:45
10:45 Instrumentation
10:45 - 12:30
Contributions

10:45 Detector Developments For Radiation Physics Applications at GIP ARRONAX. - Rania Jbara (Nantes Université CNRS/IN2P3/IMT Atlantique, SUBATECH UMR 6457, F-44000 Nantes, France/GIP ARRONAX, 44817 Saint Herblain Cedex,France)

11:10 Study and realization of a High Granularity Timing Detector (HGTD) for the ATLAS detector at the High Luminosity phase of the LHC. - Chloé PENELAUD

11:35 Adaptative readout for CMOS trackers at LHCb - Mostafa Cherif

12:00 Preliminary measurement of the germanium ionisation yield and first studies of the new silicon crystal detectors of the Ricochet experiment - Tatiana LE BELLEC (IP2I)
12:30 Lunch break
Lunch break
12:30 - 13:55
13:55 Instrumentation
13:55 - 15:10
Contributions

13:55 Non-degenerate low-loss recycling cavities for the gravitational waves detector Virgo - Ward AMAR

14:20 ATLAS HGTD ALTIROC - Salah El Dine HAMMOUD (CNRS - Universite Paris-Saclay - IJCLab/PHE/ATLAS)

14:45 Optimization of embedded neural networks for the energy reconstruction of the liquid argon calorimeter cells of ATLAS - Raphael BERTRAND (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)
15:10 Nuclear Physics
15:10 - 16:05
Contributions

15:10 Session overview - Guillem Tocabens (IJCLab)

15:40 Constraining Optical Model Potentials for p-process Nucleosynthesis through Elastic Scattering on 144Sm and 148Sm - Charles Soto
16:05 Coffee break
Coffee break
16:05 - 16:35
16:35 Nuclear Physics
16:35 - 17:50
Contributions

16:35 Caractérisation d’une ligne de temps de vol pour l'étude des produits de fission symétriques avec le spectromètre LOHENGRIN à l'ILL - Adrien Vieville (CNRS -LPSC)

17:00 Evaluation technico-économique des stratégies de multi-recyclage des matières dans le cycle nucléaire français - Baptiste METIVIER (IMT Atlantique)

17:25 Fission Yield Analysis of Neutron-Induced Fission on Th-232 - Shiyu Liu (IJCLab)
22:00 Conclusion talk - Louis D'Eramo (LPCA - Clermont) Thomas STREBLER (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR)) Rachel Delorme (LPSC, Grenoble) Antonio Uras (IP2I Lyon) Andreas Goudelis (LPC - Clermont Ferrand)
Conclusion talk
- Louis D'Eramo (LPCA - Clermont)
- Thomas STREBLER (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))
- Rachel Delorme (LPSC, Grenoble)
- Antonio Uras (IP2I Lyon)
- Andreas Goudelis (LPC - Clermont Ferrand)
22:00 - 22:20
samedi 6 décembre 2025

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