25th IPPOG meeting

Sofia Tech Park (Sofia, Bulgaria)

Sofia Tech Park

Sofia, Bulgaria

Boulevard "Tsarigradsko shose" 111Ж, ет.2, 1784 м. Къро, Sofia, Bulgaria
Claire Adam Bourdarios (Centre National de la Recherche Scientifique (FR)), Pedro Abreu (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT))

25th IPPOG meeting

The 25th IPPOG Collaboration Meeting will take place from Wednesday 09th to Saturday 13th of May 2023 in Sofia, Bulgaria.

Meeting room

All the meetings/masterclasses from May 9 to May 13 will take place in Hall 3, at 1st floor in the Lab complex of Sofia Tech Park (https://goo.gl/maps/wouZiuEz2ZguZp6k9)


The meeting will be held in Sofia, Bulgaria. Zoom connections will be established during certain times to allow for the participation of people unable to attend in presence. But we encourage your physical presence.

  • Click on Videoconference (left)

Hotel suggestions
!! mention that you are there for Sofia Tech Park and IPPOG event

1. Worknomads
Preferential rate: Single or Double occupancy
Room type: Igloo: 65 euro OR Yurt: 85 euro
2. Metropolitan hotel
Individual room - 82 euro per night
Standard room- single occupancy - 92 euro per night
3. Novotel Sofia Hotel
4. Park Hostel Sofia Tech Park
Individual/double room - 34 euro per night.
Apartment for 4 person (max) - 59 euro per night
5. eurostars sofia city

Group Activity

King's Palace Vrana + light cocktail/dinner at the Palace (11th May) meeting point in front of the Discoverer at 2pm

Sofia walking tour (12th May) Bus transfer from Sofia Tech Park to the Centre of the city 


Please book your flights.

Remote Attendees

Please mind the following points to help run the meeting smoothly:

  • When connecting to Zoom, please switch off your camera and mute your microphone. If you want or are asked to intervene, then unmute your microphone. If network allows and you don’t run into privacy issues, you can also switch your camera, as usually people like to see who is speaking.
  • For questions/comments please raise your hands! The Chair(s) will monitor the hands and pass you the word at the appropriate time.
  • The chat box will also be monitored in case you want to write a question/comment or are difficulties with the system
  • Zoom link

Working Groups

  • Applications for Society WG
  • Masterclasses to New Countries WG
  • Explaining Particle Physics to a Lay Audience WG

Steering Groups

Panel Discussion / Workshop

This meeting's panel discussion will focus on Quantum Computing and it will be held in the Royal Palace (transport is provided by Sofia Tech Park)

  • 13:30 - 14:00 Discoverer Supercomputer (HPC) of Sofia Tech Park - guided site-visit at Sofia Tech Park Potentially 
  • 14:00 - 14:30 Transportation to Vrana Royal Palace (the bus will be waiting in front of Discoverer)
  • 15:00 – 15:10 Opening by Vassil Karaivanov
  • 15:10 – 15:30 HPCs – presentation on activities and the capabilities of Discoverer Kiril Kirilov, COO of Discoverer Supercomputer
  • 15:30 – 17:30 Quantum Computing – panel discussion Iliya Lingorski, moderator Dr. Sacha Mehlhase, Munich Quantum Valley; Dr.  Federico Meloni, Deutsches Elektronen-Synchrotron (DESY);  Dr. Elias Fernandes-Combaro, CERN & University of Oviedo; Dr. Petar Nikolov, Technical University Sofia
  • 17:30 – 17:45 Concluding remarks
  • 18:00 – 20:00 Cocktail (by Sofia Tech Park)
  • 20:00 -  21:00 Trip back to hotel Metropolitan and Sofia Tech Park

IPPOG related events

Two events dedicated to students and teachers will be held on Friday and Saturday.


IPPOG members and Bulgarian teachers face to face meeting

First part: IPPOG outreach tools and activities presented and advertised to Bulgarian teachers. Short hands-on session

Second part: Teachers inspired by their participation in CERN teachers programs present how they applied the gained knowledge in the classroom and STEAM projects. 

Sharing experience of the science communication.

Third part (or in parallel): Poster session, by students attended CERN International Masterclasses

Music and Physics – the concert for the 25th anniversary of IPPOG with Steven Goldfarb and many other musicians (in front of the Lab complex of Sofia Tech Park)


Particle therapy – status and future perspectives.

Presentations and brainstorm discussion

Collaboration Dinner

The Collaboration dinner will be held on Wednesday May 10th, 2022.

On the hotels, here is the list: 


Please keep in mind that the times are adjusted to Sofia (UTC +3), so +1 hour compared to CERN.



25th IPPOG spring meeting
IPPOG community manager