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How Pixel Detector ASICs Helped Find the Higgs Boson at CERN and Now Enable Spectroscopic X-ray Medical Imaging

December 6, 2018 @ 5:00 pm - 6:30 pm

On July 4, 2012, the ATLAS and CMS experiments at CERN’s Large Hadron Collider (LHC) announced the discovery of the long sought-after Higgs boson. This was the culmination of a huge scientific endeavor involving theorists, detector, and machine physics and an army of engineers and technicians. ASICs played a significant role in the design and construction of the experiments and were one of the key enabling technologies permitting efficient particle detection in an extremely hostile environment. The presentation will start with a lay-person’s description of a large high-energy physics experiment and review some of the challenges presented for ASIC designers by the LHC environment. The talk will then focus on inner tracking detectors based on hybrid pixels. Such detectors provide the possibility of unambiguous (noise hit free) particle detection, an essential feature for disentangling complicated particle collisions taking place 40 million times per second. The same technology has been adapted for applications beyond high-energy physics in various generations of the Medipix and Timepix chips. That work has led to numerous novel applications stretching from particle detection in classrooms to recent ground-breaking results in spectroscopic medical X-ray imaging. Particle detection in real time will be demonstrated and a number of related applications described.

Speaker(s): Michael Campbell Head of the Microelectronics Section, CERN (Geneva, Switzerland),


9:00 – 9:10am  Sign-in and networking

9:10 – 10:30am  Seminar and Q&A

Qualcomm AZ-Auditorium (10155 Pacific Heights Blvd, San Diego, CA 92121)
san diego, California


December 6, 2018
5:00 pm - 6:30 pm
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