Conveners
Pixel and strip sensors
- Ulrich Parzefall (Albert Ludwigs Universitaet Freiburg (DE))
P-type sensors have been selected as a base material for many future detectors due to the superior radiation hardness. The properties and performance of irradiated sensors has been intensively measured, but some aspects like the annealing behavior are still under evaluation.
In this contribution long term annealing studies at room temperature and 60°C on ATLAS12 p-type mini strip sensors,...
The innermost tracking detector of the ATLAS experiment consists of planar n-in-n silicon pixel sensors. Closest to the beam pipe lays the insertable b-layer (IBL). Its pixels are arranged in a pitch of 250um x 50um, with a rectangular shaped n-implant.
Based on this design six modified pixel designs have been developed in Dortmund.
The new pixel designs are arranged in structures of ten...
Facing the high luminosity phase of the LHC (HL-LHC) to start operation around 2026, a major upgrade of the tracker system is in preparation for the ATLAS experiment. Thanks to the small material budget and their high charge collection efficiency after irradiation, thin planar pixel modules are the baseline option to instrument all layers of the pixel system beginning from the second layer.
To...
The increased LHC luminosity as well as maximal particle energy require more precise data on the intensity of radiation field at the magnet coils of collider. For that the radiation sensors must be placed in the proximity of the coils, which minimizes the fraction of debris in beam loss monitoring. Silicon sensors were chosen as one of the candidates and the related R&D was started six years...
In 2016 PSI developed a pixel readout chip dedicated to sensor studies. It provides a full alanalogue signal without zero suppression, but needs a fast (~100ns) external trigger and has some speed limitations. The array is 160 x 155 pixels with a pitch of 50 Micrometer in both directions. A simple readout system based on the CMS pixel digital test board has been designed which was used in test...
