Abstract
Most modern particle physics experiments use silicon based sensors for their tracking systems. These sensors are able to detect particles generated in high energy collisions with high spatial resolution and therefore allow the precise reconstruction of particle tracks. So far only a few vendors were capable of producing silicon strip sensors with the quality needed in particle physics experiments. Together with the European-based semiconductor manufacturer Infineon Technologies AG (Infineon) the Institute of High Energy Physics of the Austrian Academy of Sciences (HEPHY) developed planar silicon strip sensors in p-on-n technology. This work presents the first results from a beam test of strip sensors manufactured by Infineon.
Highlights
The planned high luminosity upgrade of the LHC accelerator (HL-LHC) at the beginning of the decade will significantly increase the number of particles traversing the experiments
Most modern particle physics experiments use silicon based sensors for their tracking systems. These sensors are able to detect particles generated in high energy collisions with high spatial resolution and allow the precise reconstruction of particle tracks
Only a few vendors were capable of producing silicon strip sensors with the quality needed in particle physics experiments
Summary
The planned high luminosity upgrade of the LHC accelerator (HL-LHC) at the beginning of the decade will significantly increase the number of particles traversing the experiments. The new outer tracking detectors for the ATLAS and CMS experiments will both utilise the same basic sensor technology – silicon sensors produced in a standard planar production process The demand of silicon sensors needed for the construction of the trackers for the two mentioned LHC experiments alone might already exceed the production capabilities of companies and institutes which are available today. Infineon Technologies Austria AG (Infineon) to develop a production process for silicon sensors. The sensors and test structures were electrically characterised at the institute and later tested in a particle beam at CERN's SPS accelerator. This paper presents the results from the beam tests of one species of strip sensors produced with the first batch
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