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28 March 2024 |
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Article overview
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From vertex detectors to inner trackers with CMOS pixel sensors | A. Besson
; A. Pérez Pérez
; E. Spiriti
; J. Baudot
; G. Claus
; M. Goffe
; M. Winter
; | Date: |
11 Apr 2016 | Abstract: | The use of CMOS Pixel Sensors (CPS) for high resolution and low material
vertex detectors has been validated with the 2014 and 2015 physics runs of the
STAR-PXL detector at RHIC/BNL. This opens the door to the use of CPS for inner
tracking devices, with 10-100 times larger sensitive area, which require
therefore a sensor design privileging power saving, response uniformity and
robustness. The 350 nm CMOS technology used for the STAR-PXL sensors was
considered as too poorly suited to upcoming applications like the upgraded
ALICE Inner Tracking System (ITS), which requires sensors with one order of
magnitude improvement on readout speed and improved radiation tolerance. This
triggered the exploration of a deeper sub-micron CMOS technology, Tower-Jazz
180 nm, for the design of a CPS well adapted for the new ALICE-ITS running
conditions. This paper reports the R&D results for the conception of a CPS well
adapted for the ALICE-ITS. | Source: | arXiv, 1604.2957 | Services: | Forum | Review | PDF | Favorites |
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