Speaker
Dr
Douglas Michael Schaefer
(CERN)
Description
The TowerJazz 180nm CMOS technology is being considered for the design of monolithic pixel sensors for the ATLAS inner tracker upgrade. Such devices will have to comply with the high rate and high radiation tolerance demands of the inner region of the ATLAS detector. To meet these requirements, a modified process has been developed and is being tested on a prototype chip, the Investigator. The chip is a collection of multiple pixel minimatrices, differring from one another by several parameters, thus allowing to study the optimal configuration in view of a final design.
The chip was tested in a beam of charged pions at the SPS at CERN, where it was installed in one of the ATLAS FEI4 telescopes. In this contribution, we describe the data analysis that allowed us to extract information from just a few pixels, and we discuss the results, stressing on the comparison between unirradiated and irradiated samples.
Primary authors
Mr
Christian Riegel
(CERN)
Dr
Douglas Michael Schaefer
(CERN)
Dr
Enrico Junior Schioppa
(CERN)
Dr
Heinz Pernegger
(CERN)
Mr
Marco Dalla
(University of Bologna)
