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Title: Silicon Technologies for the Large Hadron Collider at CERN: From the Frontiers of High Energy Physics to the State of the Art Sensors and Electronics
Abstract: Particle physics is an extremely far-reaching scientific field. Its domain ranges from the inner structure of atoms to the early formation of the Cosmos. While based on a small number of fundamental principles (quantum mechanics, relativity, and symmetries) a great variety of phenomena can be explained and understood with. The theoretical framework of particle physics, known as the Standard Model, provides the most precise agreement with experimental measurements in physics. A detailed mathematical treatment of particle physics requires quantum field theory, while understanding systematic errors and detector limitations requires years of intensive work on the experiments before a “single number” is obtained. On the detector side, silicon is an element that revolutionized electronics and sensors for particle physics. Silicon is dominating today’s technology in electronics, computer technology, sensors, solar cells, and telecommunication systems. With the development of CMOS technologies and VLSI electronics, the particle physics community embraced the new technologies and achieved a step forward in tracking precision and flavour identification. Pixel and strip silicon detector systems covering many decades of square meters are part of today's experiments at the Large Hadron Collider (LHC) at CERN. My talk will focus on the silicon sensors and electronics employed to upgrade the CMS experiment in view of the High Luminosity LHC.
Language: English
Session Chair: Thanos Koutsostathis
Dr Dimitris Loukas
Dr Dimitris Loukas
(Retired) Director of Research
Solid-State Detector Instrumentation Laboratory
Institute of Nuclear and Particle Physics
National Centre for Scientific Research Demokritos
Dimitris Loukas received the bachelor degree from the Physics Department of he University of Athens and his PhD degree from the National Technical University of Athens. He works as research scientist in the National Center of Physical Sciences Demokritos and specialises in the domain of experimental elementary particle physics. He has worked at CERN (Geneva) and the National Center of Scientific Research (CNRS) of France in Strasbourg.
His research team in Demokritos built part of the experimental apparatus of the CMS experiment at the Large Hadron Collider (LHC) at CERN. His participation in publications in international scientific journals number more than fifty articles in the subject of radiation detectors and related electronics as well as more than three hundred articles in the subject of the physics of elementary particles.
He has taught at the Open University and in the graduate programme "Physics and Technological Applications" administrated jointly by the the School of Applied Mathematical and Physical Sciences (NTUA) and NCSR Demokritos. He participates yearly in organizing the advanced courses (masterclasses) in the physics of elementary particles for High-school students.
He has had the honour of representing the research society as General Secretary of the society of Greek Researchers (1998-2000) and as President twice (2000-2002, 2009-2011). He has also represented the researchers of Demokritos at the Administrative Council of the centre, for two consecutive periods (2006-2008, 2008-2010) as elected representative. He writes articles regularly on subjects of research policy.
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