Name: "X17 What if?" Workshop
Start: 2026-03-19T09:00:00+01:00
End: 2026-03-20T16:00:00+01:00
Location: LNF - Building 36

"X17 What if?" Workshop

from Thursday, 19 March 2026 (09:00) to Friday, 20 March 2026 (16:00)

Monday, 16 March 2026
Tuesday, 17 March 2026
Wednesday, 18 March 2026
Thursday, 19 March 2026

09:30 Registration

09:30 - 10:00
Room: Aula Salvini
10:00 Morning Session
10:00 - 13:10
Room: Aula Salvini
Contributions

10:00 Welcome - Paola Gianotti (LNF)

10:15 Theoretical overview - Claudio Toni (LAPTh, CNRS) Claudio Toni (Istituto Nazionale di Fisica Nucleare) Claudio Toni (Sapienza) Claudio Toni (LAPTh, CNRS)

10:50 News from ATOMKI - Attila Krasznahorkay (Inst. of Nucl. Res. of the Hung. Acad. of Sci. (ATOMKI), Head, Division of Nuclear Physics)

11:25 The X17 Search at PADME: From Run III results to Run IV upgrades - Marco Mancini (Istituto Nazionale di Fisica Nucleare)

12:00 PADME future and perspects - Paolo Valente (Istituto Nazionale di Fisica Nucleare)

12:35 X17 searches at the BESIII - Hang Zhou (Helmholtz Institute Mainz)
13:10 Break: Lunch Break
Lunch Break
13:10 - 14:30
Room: Canteen
14:30 Afternoon Session
14:30 - 16:15
Room: Aula Salvini
Contributions

14:30 An Overview of the Upcoming X17 Experiment at Jefferson Lab - Huong Nguyen (University of Virginia)

15:05 Study of the Anomalous Internal Pair Creation in 8Be at LNL-INFN - Benito Gongora Servin (Istituto Nazionale di Fisica Nucleare)

15:40 Status of the DarkLight Experiment - Ethan Cline (MIT)
16:15 Break: Coffe Break
Coffe Break
16:15 - 16:45
Room: Aula Salvini
16:45 Afternoon Session
16:45 - 18:30
Room: Aula Salvini
Contributions

16:45 Searching for MeV-scale particles with TeV-scale beams - Andre Sterenberg Frankenthal (UC Irvine)

17:20 Search for feebly interacting particles at LHCb: status and prospects - Gaia Lanfranchi (Istituto Nazionale di Fisica Nucleare)

17:55 Dark sector searches at Belle II - Enrico Graziani (Istituto Nazionale di Fisica Nucleare)
18:30 Event: Welcome Party
Welcome Party
18:30 - 20:00
Room: Aula Salvini
Friday, 20 March 2026
09:30 Morning Session
09:30 - 11:15
Room: Aula Salvini
Contributions

09:30 Dark sector searches at Jefferson Lab - Mariangela Bondi (Istituto Nazionale di Fisica Nucleare)

10:05 MEG II - Cecilia Voena (Istituto Nazionale di Fisica Nucleare)

10:40 X17 Searches at the MAGIX Spectrometer Setup at MESA - Sebastian Stengel (JGU Mainz)
11:15 Break: Coffe Break
Coffe Break
11:15 - 11:45
Room: Aula Salvini
11:45 Morning Session
11:45 - 13:20
Room: Aula Salvini
Contributions

11:45 Searching for Light Dark Matter with the DarkMESA beam dump experiment - Patrick Achenbach (Mainz University) Patrick Achenbach (Jefferson Lab) Patrick Achenbach (Nuclear Physics Institute, Gutenberg-University, Mainz)

12:20 Searching the X17 in the NA64 experiment at CERN - Andrea Celentano (Istituto Nazionale di Fisica Nucleare)

12:55 Closing remarks - Venelin Kozhuharov (Faculty od Physics, Sofia - Istituto Nazionale di Fisica Nucleare) Venelin Kozhuharov (Faculty of Physics, Sofia University "St. Kl. Ohridski" & LNF-INFN)
13:20 Break: Lunch Break
Lunch Break
13:20 - 14:20
Room: Aula Salvini

14:30 Event: Visit to the Laboratory
Visit to the Laboratory
14:30 - 15:30
Room: Aula Salvini

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