[Particle-physics-affiliated] FW: [Triumf-seminars] TRIUMF Special Seminar, Wed Oct 14 2026 at 14:00

[Oliver Stelzer]

Dear Colleagues,

See special seminar for today that might be of interest. Let Bernd know if you would like to meet with Koji after the talk.

Best, Oliver

From: Triumf-seminars <triumf-seminars-bounces at lists.triumf.ca> on behalf of TRIUMF Seminars <triumf-seminars at lists.triumf.ca>
Date: Wednesday, October 14, 2026 at 6:30 AM
To: mis_alerts <mis_alerts at triumf.ca>; triumf-seminars at lists.triumf.ca <triumf-seminars at lists.triumf.ca>
Subject: [Triumf-seminars] TRIUMF Special Seminar, Wed Oct 14 2026 at 14:00

Date/Time: Wed Oct 14 2026 at 14:00

Location: Auditorium

Speaker: Koji Nakamura (KEK)

Title: Development of 4D Silicon Tracking Detectors for Future Collider Experiments

Abstract: Future collider experiments will operate at increasingly high energies and intensities, creating challenging environments for the reconstruction and identification of particles. Adding precise timing information to conventional spatial measurements?so-called 4D tracking?can help disentangle overlapping collisions, improve particle identification, and provide new opportunities for measurements and searches for physics beyond the Standard Model. In this seminar, I will first introduce the physics motivation for precision timing in tracking detectors and discuss the role that 4D tracking could play in future collider experiments. I will then review recent progress in the development of silicon detectors that combine spatial resolutions of order 10 �m with timing resolutions of order 10 ps. Particular emphasis will be placed on capacitively coupled Low-Gain Avalanche Diodes (AC-LGADs), including recent results from pixel prototypes developed by KEK in collaboration with Hamamatsu Photonics. Finally, I will discuss opportunities for further development, including improved timing performance and radiation tolerance, optimization of sensor structures, integration with readout electronics, and the extension of these technologies toward large-area tracking systems. The prospects and technical challenges of realizing practical 4D trackers for future experiments will also be presented. --- Remote connection: https://cern.zoom.us/j/63040679394?pwd=2WTvoTyMqH3AmIbAMx5PM3qD9lYw82.1 Meeting ID: 630 4067 9394 Passcode: 289724

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Detailed information available can be found at https://www.triumf.ca/research-program/lectures-conferences/upcoming-seminars-lectures

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