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

GRAND meeting 2025

from Monday 2 June 2025 (08:00) to Friday 6 June 2025 (17:30)

Monday 2 June 2025

09:00

09:00 - 11:00
Room: B2.38

11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: B2.38

11:30

11:30 - 12:30
Room: B2.38

12:30 Lunch (tentatively)
Lunch (tentatively)
12:30 - 14:00
14:00
14:00 - 14:50
Room: B2.38
Contributions

14:00 Status GP300 - Yi Zhang (Purple mountain observatory)

14:25 Overview of the technique Status of GP65 and the Plan for GP300 - Pengfei Zhang (Xidian University)
14:50
14:50 - 16:00
Room: B2.38
Contributions

14:50 CR studies with GP300 - Clément Prévotat (clement.prevotat@iap.fr)

15:12 Observational strategies for UHE neutrinos - Kumiko Kotera (Institut d'astrophysique de Paris)

15:34 GW-triggered searches with GRAND - Mainak Mukhopadhyay (Pennsylvania State University)
16:00 Coffee Break
Coffee Break
16:00 - 16:30
Room: B2.38
16:30
16:30 - 17:58
Room: B2.38
Contributions

16:30 New Hadronic interaction Models - Tanguy Pierog (KIT, IAP)

16:52 Gamma-ray detection with GP300 - Paul Minodier

16:57 Discussion
18:00 Reception (tentatively)
Reception (tentatively)
18:00 - 20:00
Tuesday 3 June 2025
09:00
09:00 - 10:50
Room: B2.38
Contributions

09:00 Exposure calculation for GP300 - Sei Kato (Institut d'Astrophysique de Paris)

09:22 CR search with GP300 - Jolan LAVOISIER (CNRS - Institut d'Astrophysique de Paris)

09:44 GP80 Event Candidates and Exposure Predictions for GP300 and GRAND10k - Lukas Gülzow

10:06 Reconstruction of GP80 CR candidates with ADF - Marion Guelfand (LPNHE / IAP)

10:28 E-field reconstruction pipeline with polarization - Jean-Marc Colley (CNRS/LPNHE France)
10:50 Coffee Break
Coffee Break
10:50 - 11:20
Room: B2.38
11:20
11:20 - 12:30
Room: B2.38
Contributions

11:20 Analytical computation of the Cherenkov cone - Valentin Decoene (Subatech / Nantes Université)

11:42 Revisiting the Radio LDF: a strong electric field amplitude dependence on Xmax - Washington Carvalho (Faculty of Physics, University of Warsaw)

12:04 Event-by-event primary composition discrimination method using supervised machine learning - Washington Carvalho (Faculty of Physics, University of Warsaw)
12:30 Lunch (tentatively)
Lunch (tentatively)
12:30 - 14:00
14:00
14:00 - 15:45
Room: B2.38
Contributions

14:00 R&D developments for next phase of GRAND - Pengfei Zhang

14:15 Status of GRAND-BEACON (HERON) - Jaime Alvarez-Muniz (IGFAE, Univ. Santiago de Compostela)

14:30 Site-survey and situation in Argentina for GRAND-BEACON (HERON) - Ingo Allekotte (CNEA) Federico Sanchez (ITeDA (CNEA, CONICET, UNSAM))

14:45 Sims for GRAND-BEACON (HERON) - Andrew Zeolla (Pennsylvania State University)

15:00 Interferometry with GRAND-Beacon - Valentin Decoene (Subatech / Nantes Université)

15:15 Discussion
15:45 Coffee Break
Coffee Break
15:45 - 16:15
Room: B2.38
16:15
16:15 - 18:17
Room: B2.38
Contributions

16:15 GNN recons of GP300 events - Arsène Ferrière (CEA-LIST, LPNHE)

16:37 E-field reconstruction with SBI - Oscar Macias (San Francisco State University)

16:59 ADC trace denoising - Aurélien Benoit-Lévy (CEA-List)

17:21 Plug and Play denoiser for deconvolving GRAND Electric field traces - Sara El Bouch
Wednesday 4 June 2025
09:00
09:00 - 11:00
Room: B2.38
Contributions

09:00 general organisation (incl. environment, outreach) - Kumiko Kotera (Institut d'astrophysique de Paris)

09:30 Membership - Lech Piotrowski

09:45 Conference - Haoning He (Purple Mountain Observatory)

10:25 Finance - Xiang Ping Olivier Martineau (LPNHE) Kumiko Kotera (Institut d'astrophysique de Paris)

10:40 Membership fees - Olivier Martineau (LPNHE)
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: B2.38

11:30

11:30 - 12:30
Room: B2.38

12:30 Lunch (tentatively)
Lunch (tentatively)
12:30 - 14:00
14:00
14:00 - 16:00
Room: B2.38
Contributions

14:00 DAQ Design/Update/Testing - DUAN BOHAO

14:15 GP300 Data Quality Study - Nathan LEBAS (LPNHE /IAP)

14:25 FEB Board Design Update/Testing - Xing Xu (Purple Mountain Observatory, CAS)

14:40 Intro on trigger - Olivier Martineau (LPNHE)

14:45 GP80 Trigger Efficiency Study - Marion Guelfand (LPNHE / IAP)

15:00 Trigger Optimization Based on Filters and Parameter Selection - Hanrui Wang

15:15 Trigger Studies using GP300 data - George Vittakis

15:30 Results of the First-Level Trigger Study with NUTRIG - Pablo Correa (LPNHE, CNRS/IN2P3)

15:45 Results of the Second-Level Trigger Study with NUTRIG - Köhler Jelena (KIT)
16:00 Coffee Break
Coffee Break
16:00 - 16:30
Room: B2.38

16:30

16:30 - 18:00
Room: B2.38

19:00 Conference Dinner (tentatively)
Conference Dinner (tentatively)
19:00 - 22:00
Thursday 5 June 2025
09:00
09:00 - 10:45
Room: B2.38
Contributions

09:00 The GRAND software status - Lech Piotrowski

09:20 Hands-on: How use GRANDlib and GRAND data - Lech Piotrowski
10:45 Coffee Break
Coffee Break
10:45 - 11:15
Room: B2.38
11:15
11:15 - 12:30
Room: B2.38
Contributions

11:15 The status of DC2 - Matias Tueros (Instituto de Fisica La Plata, Argentina)

11:35 Round-table about simulation requests - Matias Tueros (Instituto de Fisica La Plata, Argentina)

12:00 Antenna and RF Chain Response Simulation: Update, Optimization, and Calibration Based on Galactic Background - Xing Xu (Purple Mountain Observatory, CAS)
12:30 ECS Lunch (tentatively)
ECS Lunch (tentatively)
12:30 - 14:00

14:00

14:00 - 16:00
Room: B2.38

16:00 Coffee Break
Coffee Break
16:00 - 16:30
Room: B2.38
16:30
16:30 - 17:15
Room: B2.38
Contributions

16:30 GPS Performance with the GRANDProto FEB - Vincent Voisin

16:45 GPS Time Calibration - Pengfei Zhang

17:00 Calibration Studies using GP300 data - Antonios Leisos (Hellenic Open University)
Friday 6 June 2025
09:00
09:00 - 10:00
Room: B2.38
Contributions

09:00 The status of data management - Francois Legrand (LPNHE/CNRS FRANCE)

09:20 Discussion

09:40 Updates to the antenna model, RF chain and Galactic noise - George Vittakis Stavros Nonis (Hellenic Open University)
10:00 Coffee Break
Coffee Break
10:00 - 10:30
Room: B2.38

10:30

10:30 - 11:50
Room: B2.38

12:30 Lunch (tentatively)
Lunch (tentatively)
12:30 - 14:00

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