Description
https://cern.zoom.us/j/65719090745?pwd=Q3SYdpYDTcQbwh4rRUvWP6plIpUsLu.1
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Joel Goldstein (University of Bristol (GB))16/06/2025, 14:00
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Prof. Ole Thomsen (Bristol Composites Institute)16/06/2025, 14:05
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Adam Huddart16/06/2025, 14:20
The ePIC silicon vertex tracker (SVT) will feature five-barrel layers and five disks at each end. The outer barrel (OB) consists of two layers at radii of 270 mm (L3) and 420 mm (L4). All parts of the SVT must satisfy extremely low material targets, of 0.25% X0 for L3 and 0.55% X0 for L4. The SVT will utilise a reduced-size version of the MOSAIX MAPS sensor, originally developed for the ALICE...
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Nicole Apadula (Lawrence Berkeley National Lab. (US))16/06/2025, 14:50
Experiments at the future Electron-Ion Collider (EIC) pose stringent requirements on the tracking system for the measurement of the scattered electron and charged particles produced in the collision, as well as the position of the collision point and any decay vertices of hadrons containing heavy quarks. Monolithic Active Pixel Sensors (MAPS) offer the possibility of high granularity in...
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Massimo Angeletti (CERN)16/06/2025, 15:20
In the research and development for ALICE’s LS3 upgrade, particular emphasis is placed on designing an innovative mechanical and cooling solution for the next generation of low-mass vertex detector. Assuming the use of next-generation monolithic active pixel sensors (MAPS) based on stitched technology, capable of covering large, bent-to-shape surfaces, the focus is on providing the lightest...
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Anthony Weidberg (University of Oxford (GB))16/06/2025, 16:20
The major limitation to the performance of the current ATLAS Inner Detector is that the long radiation length severely degrades the electron energy resolution and vertex pointing accuracy. Therefore, when ATLAS was considering options for the ITk upgraded tracker for HL-LHC, the choice was determined by the radiation length budget. The lowest radiation length solution was the one in which the...
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Max Nicolaas Van't Hek (Nikhef National institute for subatomic physics (NL))16/06/2025, 16:50
The ATLAS ITk detector comprises multiple layers: the innermost ones are silicon pixel sensors optimized for high granularity, while the outer layers consist of silicon strip sensors tailored for precise tracking. The central part of the strip detector (Barrel) is composed of rectangular ∼2.5 cm and ∼5 cm long strip sensors. The forward regions of the strip tracker (End-Caps) are divided into...
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Todd Claybaugh (Lawrence Berkeley National Lab. (US))16/06/2025, 17:20
The ATLAS HL-LHC Pixel Detector (https://atlas.cern/) will be fully integrated outside of the larger detector and inserted along carbon fiber rails. The contact between these CN60/EX-1515 rails and the PEEK sliders is a critical interface. A finite element analysis study of the contact points on support rail surfaces was conducted in order to assess the structural integrity of the support...
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Rob Chapple (The University of Manchester (GB)), Rob Chapple (The University of Manchester (GB))16/06/2025, 17:50
The Large Hadron Collider will be upgraded to increase the machine luminosity. The ATLAS experiment has developed an all-silicon inner tracker (ITk) to operate with much higher density of tracks while improving the performance of the tracking system. To withstand this harsh high luminosity environment, both a low material budget and radiation hardness are critical.
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Within the ITk pixel...