[OCQT Seminar] Quantum Measurements at Particle Colliders and Their Applications to New-Physics Searches

OIST Centre for Quantum Technologies (OCQT) Seminar

The OIST Center for Quantum Technologies (OCQT) is pleased to invite you to the next installment of the OCQT Seminar Series. This time, we are excited to host Prof. Kazuki Sakurai from the Faculty of Physics, University of Warsaw (Poland), who will deliver a talk entitled:

“Quantum Measurements at Particle Colliders and Their Applications to New-Physics Searches”

Date and time

Monday, December 15, 2025 – 15:00 - 16:30

Location

Seminar Room D23 in Lab 5 (L5D23)

Abstract

I will review recent developments and proposals for measuring spin entanglement and other quantum correlations in bipartite and tripartite systems produced at high-energy particle colliders and in decays of heavy elementary particles. After outlining practical observables and analysis strategies, I will discuss how such quantum measurements, including quantum state tomography and Bell inequality tests, can enhance the sensitivity of collider searches for physics beyond the Standard Model. I will also comment on what these measurements can (and cannot) tell us about the fundamental theory, and on prospects for future facilities. Relevant references include arXiv:2211.10513, 2310.01477, 2412.01892.

Biography

Dr. Kazuki Sakurai is an Associate Professor at the Faculty of Physics, University of Warsaw. He received his Ph.D. in Physics from Nagoya University (2009). Before joining Warsaw in 2017, he held postdoctoral positions at the University of Cambridge (2009–2011), DESY in Hamburg (2011–2013), King’s College London (2013–2015), and Durham University (2015–2017). He was promoted to Associate Professor in 2023.
His research lies in particle phenomenology, with an emphasis on collider searches for physics beyond the Standard Model. His recent work explores quantum measurements at high-energy particle colliders and their application to new-physics discovery.