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Registration open!

Dear Colleagues,
It is our pleasure to confirm that the next International Conference on Precision Physics of Simple Atomic Systems (PSAS) will be held, as a face-to-face event, in Warsaw on 16-20 May 2022. The Local Organizing Team plans to broadcast conference presentations and secure access for people who would not be able join the local event.

The registration for the conference is currently open with a special early registration fee available until 10 April 2022 – please visit the conference webpage to see details. The Local Organizing Committee has secured a limited number of grants for students to cover accommodation costs during the conference. Those grants could be requested during the registration process or by direct contact with the Local Organising Committee.

The PSAS conference is devoted to precision studies of simple atoms and molecules to develop new approaches and assess fundamental issues with the atomic and BSM physics. Applications include aspects from particle and nuclear physics, atomic and molecular physics, astrophysics, and metrology, among others.

The conference continues a series of successful PSAS meetings. The 2022 edition will be lead by topical conference chairs:
Thomas Udem, Max Planck Institute of Quantum Optics
• Vladimir Yerokhin, Peter the Great St. Petersburg Polytechnic University
• Wim Ubachs, Vrije Universiteit Amsterdam 
• Paolo Crivelli, ETH Zürich 

For more information, please get in touch with us by sending an email to: / or visiting our website –

We are looking forward to seeing you in Warsaw,

Conference chairs

Krzysztof Pachucki
Savely Karshenboim
Xin Tong