INTERNATIONAL WORKSHOP GRAVITY, SPECTROSCOPY AND INTERFERENCE WITH ATOMS AND NEUTRONS

University of Turku is organizing a workshop of the GRASIAN collaboration on 30.06 – 2.07.2025.

The worksshop venue is Villa Wolax located in Kuusisto island of Turku archipelago: https://www.villawolax.fi

List of participants with tentative talk titles

“ILL” :

  • Alexei Voronin:” Strongly bound quantum states of H atoms on the surface of Helium film (via Van der Walls force)”
  • Jason Pioquinto- “ Theory of the WGS”
  • Stefan Baessler :” Constraints of short range forces”
  • Valery Nesvizhevsky – “Options for measuring WGS gravitational shifts: neutrons, hydrogen, antihydrogen, positronium, muonium”

SMI/ LKB

  • Katharina Schreiner – “Analysis of neutron whispering gallery states with magnetic shift”
  • Elio Bera : “ A Zeeman decelerator for H beams at 50 m/s”
  • Daniel Kloppenburg: “Measurements of vibrations on the apparatus at SMI.”
  • Eberhard Widmann: “Hyperfine spectroscopy of antihydrogen, hydrogen, and deuterium”
  • Carina Killian – “ Update on the SMI flight through experiment”

ETH Zurich:

  • Markus Maehring :“Muonium experiment (1S-2S ?)”
  • Evans Javary : “ Positronium experiment

UTU:

  • Aleksei Semakin – Loading IPT with hydrogen at Turku and progress towards experiments in the second trap;
  • Sergey Vasiliev – 50 m/s source of cold H based on cryogenic dissociator;
  • Tom Kiilerich – Towards 1S-2S spectroscopy of trapped H gas;
  • Janne Ahokas – Experiments with H atoms trapped in solid matrixes of H2 and neon.

Our guests:

  • Claudio Lenz Cesar, Federal University of Rio de Janeiro, Brasil  – “Experiments with antihydrogen at CERN and with matrix sublimation atoms in Rio”, exact title will be announced later;

Workshop fee

All participants are requested to pay a workshop fee:

559€/person for accommodation in a single room;

395.5€/person for accommodation in a double room (shared with other participant)

194€/person withoutr accommodatioon (local participants or those who prefer to stay in the city of Turku hotels)

These prices include:

  • accomodation for three nights (29.06-2.07) in desired room type,
  • Breakfast for three mornings,
  • Lunch for each meeting day,
  • Afternoon coffee break for each meeting day.

Travel instructions

Fly to Helsinki airport, then go to the bus station following the signs. Buses go to Turku approximately every hour. You may find the bus timetable and purchase the ticket  online (https://www.matkahuolto.fi/en) or entering the bus from the driver (slightly more expernsive). Please, inform us about your flight schedule and we will assit in transportation from Turku bus station to Villa Wolax, the workshop venue.