GRAND meeting 2025

Name: GRAND meeting 2025
Start: 2025-06-02T08:00:00+02:00
End: 2025-06-06T17:30:00+02:00
Location: Faculty of Physics, University of Warsaw

2 Jun 2025, 08:00 → 6 Jun 2025, 17:30 Europe/Warsaw

B2.38 (Faculty of Physics, University of Warsaw)

B2.38

Faculty of Physics, University of Warsaw

Ludwika Pasteura 5, 02-093 Warsaw

Lech Piotrowski, Washington Carvalho (Faculty of Physics, University of Warsaw)

Description

It's time for our annual GRAND collaboration meeting! It will be a milestone and help us prepare for the 2025 ICRC!

Registration

RegistrationForm

Participants

Andrew Zeolla
Antonios Leisos
Arsène Ferrière
Aurélien Benoit-Lévy
Bruno Lago
Chao Zhang
Clément Prévotat
DUAN BOHAO
Federico Sanchez
Francois Legrand
George Vittakis
Ingo Allekotte
Jaime Alvarez-Muniz
Jakub Rawiak
Jean-Marc Colley
Jolan LAVOISIER
Kumiko Kotera
Köhler Jelena
Lech Piotrowski
Mainak Mukhopadhyay
Marion Guelfand
Martina Bohacova
Mauricio Bustamante
Nathan LEBAS
Olivier Martineau
Oscar Macias
Paul Minodier
Pengfei Zhang
Petr Tobiška
Ramesh Koirala
Sei Kato
Simon Chiche
Stavros Nonis
Valentin Decoene
Vincent Voisin
Washington Carvalho
Xing Xu
Xishui Tian
+17

Monday 2 June
- Mon 2 Jun
- Tue 3 Jun
- Wed 4 Jun
- Thu 5 Jun
- Fri 6 Jun
- 09:00 → 11:00
  
  Collaboration Board B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 11:00 → 11:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 11:30 → 12:30
  
  Opening: Status GRAND B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Conveners: Lech Piotrowski, Olivier Martineau (LPNHE), Kumiko Kotera (Institut d'astrophysique de Paris)
  
  lwp_paris_2021.pdf
  
  status_merged.pdf
- 12:30 → 14:00
  
  Lunch (tentatively) 1h 30m
- 14:00 → 14:50
  Status GP300 B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Yi Zhang (Purple mountain observatory)
  - 14:00
    
    Status GP300 25m
    
    Speaker: Yi Zhang (Purple mountain observatory)
    
    20250602GP300.pdf
  - 14:25
    
    Overview of the technique Status of GP65 and the Plan for GP300 25m
    
    Speaker: Pengfei Zhang (Xidian University)
    
    Report Technique statuse of GP65 and Plan for GP X20250602zhangpf.pdf
- 14:50 → 16:00
  Science B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Rafael Alves Batista (IAP, Sorbonne Université)
  - 14:50
    
    CR studies with GP300 22m
    
    Speaker: Clément Prévotat (clement.prevotat@iap.fr)
    
    Prevotat_GRAND_2025.pdf
  - 15:12
    
    Observational strategies for UHE neutrinos 22m
    
    Speaker: Kumiko Kotera (Institut d'astrophysique de Paris)
    
    25_06_04_Warsaw_Science_kotera-min-1.pdf
  - 15:34
    
    GW-triggered searches with GRAND 22m
    
    Speaker: Mainak Mukhopadhyay (Pennsylvania State University)
    
    PDF_mainak_GRAND_workshop.pdf
- 16:00 → 16:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 16:30 → 17:58
  Science + Discussion B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Rafael Alves Batista (IAP, Sorbonne Université)
  - 16:30
    
    New Hadronic interaction Models 22m
    
    Speaker: Tanguy Pierog (KIT, IAP)
    
    Pierog_Muon_puzzle.pdf
  - 16:52
    
    Gamma-ray detection with GP300 5m
    
    Speaker: Paul Minodier
    
    GRAND_Collaboration_Meeting.pdf
  - 16:57
    
    Discussion 30m
- 18:00 → 20:00
  
  Reception (tentatively) 2h
Tuesday 3 June
- Mon 2 Jun
- Tue 3 Jun
- Wed 4 Jun
- Thu 5 Jun
- Fri 6 Jun
- 09:00 → 10:50
  Analysis B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Bruno Llago
  - 09:00
    
    Exposure calculation for GP300 22m
    
    Speaker: Sei Kato (Institut d'Astrophysique de Paris)
    
    katosei-GRAND2025.pdf
  - 09:22
    
    CR search with GP300 22m
    
    Speaker: Jolan LAVOISIER (CNRS - Institut d'Astrophysique de Paris)
    
    Warsaw_cut_update.pdf
  - 09:44
    
    GP80 Event Candidates and Exposure Predictions for GP300 and GRAND10k 22m
    
    Speaker: Lukas Gülzow
  - 10:06
    
    Reconstruction of GP80 CR candidates with ADF 22m
    
    Speaker: Marion Guelfand (LPNHE / IAP)
    
    MGuelfand_CRcandidates_reconstruction.pdf
  - 10:28
    
    E-field reconstruction pipeline with polarization 22m
    
    Speaker: Jean-Marc Colley (CNRS/LPNHE France)
    
    efield_recons_pol_3_june.pdf
- 10:50 → 11:20
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 11:20 → 12:30
  Analysis B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Bruno Llago
  - 11:20
    
    Analytical computation of the Cherenkov cone 22m
    
    Speaker: Valentin Decoene (Subatech / Nantes Université)
    
    analytical_cherenkov_cone.pdf
  - 11:42
    
    Revisiting the Radio LDF: a strong electric field amplitude dependence on Xmax 22m
    
    Speaker: Washington Carvalho (Faculty of Physics, University of Warsaw)
    
    RevisitingRdLDF-GRANDmeeting.pdf
  - 12:04
    
    Event-by-event primary composition discrimination method using supervised machine learning 22m
    
    Speaker: Washington Carvalho (Faculty of Physics, University of Warsaw)
    
    RandomForestDiscrimination-GRANDmeeting.pdf
    
    RandomForestDiscrimination-GRANDmeeting.pdf
- 12:30 → 14:00
  
  Lunch (tentatively) 1h 30m
- 14:00 → 15:45
  Future R&D B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Conveners: Olivier Martineau (LPNHE), Kumiko Kotera (Institut d'astrophysique de Paris)
  - 14:00
    
    R&D developments for next phase of GRAND 15m
    
    Speaker: Pengfei Zhang
  - 14:15
    
    Status of GRAND-BEACON (HERON) 15m
    
    Speaker: Jaime Alvarez-Muniz (IGFAE, Univ. Santiago de Compostela)
    
    GRAND-BEACON-Warsaw-Alvarez-Muniz.pdf
  - 14:30
    
    Site-survey and situation in Argentina for GRAND-BEACON (HERON) 15m
    
    Speakers: Ingo Allekotte (CNEA), Federico Sanchez (ITeDA (CNEA, CONICET, UNSAM))
    
    HERON-SITE-FOR-GRAND-WORKSHOP-202506-v2.pdf
  - 14:45
    
    Sims for GRAND-BEACON (HERON) 15m
    
    Speaker: Andrew Zeolla (Pennsylvania State University)
    
    Simulations for GRAND-BEACON.pdf
  - 15:00
    
    Interferometry with GRAND-Beacon 15m
    
    Speaker: Valentin Decoene (Subatech / Nantes Université)
    
    HERON_beamforming_reconstruction.pdf
  - 15:15
    
    Discussion 30m
- 15:45 → 16:15
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 16:15 → 18:17
  Machine Learning B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Arsene Ferriere
  - 16:15
    
    GNN recons of GP300 events 22m
    
    Speaker: Arsène Ferrière (CEA-LIST, LPNHE)
    
    Warsaw_meeting (3).pdf
  - 16:37
    
    E-field reconstruction with SBI 22m
    
    Speaker: Oscar Macias (San Francisco State University)
  - 16:59
    
    ADC trace denoising 22m
    
    Speaker: Aurélien Benoit-Lévy (CEA-List)
    
    2025june3rd_GRAND_collab_meeting_denoising.pdf
  - 17:21
    
    Plug and Play denoiser for deconvolving GRAND Electric field traces 22m
    
    Speaker: Sara El Bouch
    
    Deep_PNP_PRUNet-7.pdf
Wednesday 4 June
- Mon 2 Jun
- Tue 3 Jun
- Wed 4 Jun
- Thu 5 Jun
- Fri 6 Jun
- 09:00 → 11:00
  Collaboration Life B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Kumiko Kotera (Institut d'astrophysique de Paris)
  - 09:00
    
    general organisation (incl. environment, outreach) 30m
    
    Speaker: Kumiko Kotera (Institut d'astrophysique de Paris)
    
    25_06_05_colllife_GRAND_kotera-min.pdf
  - 09:30
    
    Membership 15m
    
    Speaker: Lech Piotrowski
    
    lwp_membership_warsaw_2025.pdf
  - 09:45
    
    Conference 10m
    
    Speaker: Haoning He (Purple Mountain Observatory)
    
    Conference.pdf
  - 10:25
    
    Finance 15m
    
    Speakers: Xiang Ping, Olivier Martineau (LPNHE), Kumiko Kotera (Institut d'astrophysique de Paris)
  - 10:40
    
    Membership fees 10m
    
    Speaker: Olivier Martineau (LPNHE)
- 11:00 → 11:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 11:30 → 12:30
  
  PubComm: ICRC & Future Papers B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Mauricio Bustamante (Niels Bohr Institute, University of Copenhagen)
  
  2025-06-04-Bustamante-GRAND_Collboration_Meeting.pdf
- 12:30 → 14:00
  
  Lunch (tentatively) 1h 30m
- 14:00 → 16:00
  Operation and trigger B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Pengfei Zhang
  - 14:00
    
    DAQ Design/Update/Testing 15m
    
    Speaker: DUAN BOHAO
    
    duanbh_2020604_GRAND_DAQ.pdf
  - 14:15
    
    GP300 Data Quality Study 10m
    
    Speaker: Nathan LEBAS (LPNHE /IAP)
    
    Presentation Nathan-6.pdf
  - 14:25
    
    FEB Board Design Update/Testing 15m
    
    Speaker: Xing Xu (Purple Mountain Observatory, CAS)
    
    Collaboration_meeting_2025_Warsaw_20250604.pdf
  - 14:40
    
    Intro on trigger 5m
    
    Speaker: Olivier Martineau (LPNHE)
    
    introTrigger.pdf
  - 14:45
    
    GP80 Trigger Efficiency Study 15m
    
    Speaker: Marion Guelfand (LPNHE / IAP)
    
    MGuelfand_Trigger_efficiency.pdf
  - 15:00
    
    Trigger Optimization Based on Filters and Parameter Selection 15m
    
    Speaker: Hanrui Wang
    
    XidianReport 2 about denoise060411.pdf
  - 15:15
    
    Trigger Studies using GP300 data 15m
    
    Speaker: George Vittakis
    
    Trigger.pdf
  - 15:30
    
    Results of the First-Level Trigger Study with NUTRIG 15m
    
    Speaker: Pablo Correa (LPNHE, CNRS/IN2P3)
    
    collaboration_meeting_FLT_2025-06-04.pdf
  - 15:45
    
    Results of the Second-Level Trigger Study with NUTRIG 15m
    
    Speaker: Köhler Jelena (KIT)
    
    20250604-min.pdf
- 16:00 → 16:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 16:30 → 18:00
  
  Umbrella Meeting B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 19:00 → 22:00
  
  Conference Dinner (tentatively) 3h To be announced
  
  To be announced
Thursday 5 June
- Mon 2 Jun
- Tue 3 Jun
- Wed 4 Jun
- Thu 5 Jun
- Fri 6 Jun
- 09:00 → 10:45
  Tutorial: GRANDlib & how to use GRAND data & sims B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Conveners: Lech Piotrowski, Matias Tueros (Instituto de Fisica La Plata, Argentina)
  - 09:00
    
    The GRAND software status 20m
    
    Speaker: Lech Piotrowski
    
    lwp_software_warsaw_2025.pdf
  - 09:20
    
    Hands-on: How use GRANDlib and GRAND data 1h
    
    Speaker: Lech Piotrowski
- 10:45 → 11:15
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 11:15 → 12:30
  Simulations B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Matias Tueros (Instituto de Fisica La Plata, Argentina)
  - 11:15
    
    The status of DC2 20m
    
    Speaker: Matias Tueros (Instituto de Fisica La Plata, Argentina)
    
    DC2-WarsawHowToSim.pdf
    
    DC2-WarsawMeeting.pdf
    
    DC2-WarsawMeeting.pdf
  - 11:35
    
    Round-table about simulation requests 25m
    
    Speaker: Matias Tueros (Instituto de Fisica La Plata, Argentina)
  - 12:00
    
    Antenna and RF Chain Response Simulation: Update, Optimization, and Calibration Based on Galactic Background 15m
    
    Speaker: Xing Xu (Purple Mountain Observatory, CAS)
- 12:30 → 14:00
  
  ECS Lunch (tentatively) 1h 30m
- 14:00 → 16:00
  
  CR Analysis Pipeline B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Mauricio Bustamante (Niels Bohr Institute, University of Copenhagen)
- 16:00 → 16:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 16:30 → 17:15
  Calibration B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Convener: Yi Zhang (Purple mountain observatory)
  - 16:30
    
    GPS Performance with the GRANDProto FEB 15m
    
    Speaker: Vincent Voisin
  - 16:45
    
    GPS Time Calibration 15m
    
    Speaker: Pengfei Zhang
  - 17:00
    
    Calibration Studies using GP300 data 15m
    
    Speaker: Antonios Leisos (Hellenic Open University)
Friday 6 June
- Mon 2 Jun
- Tue 3 Jun
- Wed 4 Jun
- Thu 5 Jun
- Fri 6 Jun
- 09:00 → 10:00
  Offline Software + Data Management B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Conveners: Francois Legrand (LPNHE/CNRS FRANCE), Lech Piotrowski
  - 09:00
    
    The status of data management 20m
    
    Speaker: Francois Legrand (LPNHE/CNRS FRANCE)
    
    access_data-warsaw-2025.pdf
    
    datamanagement-warsaw-2025.pdf
    
    influxdb_warsaw2025.pdf
  - 09:20
    
    Discussion 20m
  - 09:40
    
    Updates to the antenna model, RF chain and Galactic noise 20m
    
    Speakers: George Vittakis, Stavros Nonis (Hellenic Open University)
    
    RF updates.pdf
    
    Sim Pres.pdf
- 10:00 → 10:30
  
  Coffee Break 30m B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
- 10:30 → 11:50
  
  Wrap up, Perspectives & Plans B2.38
  
  B2.38
  
  Faculty of Physics, University of Warsaw
  
  Ludwika Pasteura 5, 02-093 Warsaw
  
  Conveners: Olivier Martineau (LPNHE), Xiang Ping, Kumiko Kotera (Institut d'astrophysique de Paris)
- 12:30 → 14:00
  
  Lunch (tentatively) 1h 30m

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GRAND meeting 2025

B2.38

Faculty of Physics, University of Warsaw

It's time for our annual GRAND collaboration meeting! It will be a milestone and help us prepare for the 2025 ICRC!

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

To be announced

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw

B2.38

Faculty of Physics, University of Warsaw