Volume 420 - 10th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (Pixel2022) - Progress in Cooling, Mechanics, and Powering of Pixel Detectors
MVTX: A MAPS Vertex Tracker for sPHENIX at RHIC
H.S. Ko
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Pre-published on: March 13, 2023
Published on:
Abstract
We assembled a MAPS (Monolithic Active Pixel Sensor) vertex tracker, MVTX, with $0.19~\rm m^2$ total silicon coverage and a pixel pitch of $27~\mu \rm m$.
48 staves, each comprised of 9 sensors thinned down to $50~\mu \rm m$ thickness, are supported by carbon composite structures and organized into three concentric layers immediately surrounding the beampipe inside of the sPHENIX at RHIC of BNL.
Reaching the designed resolution of MVTX is critical to the delivery of sPHENIX physics including heavy flavor studies.
We present the construction and $\sim 20~\mu \rm m$-level mechanical alignment in the carbon composite support structure.
DOI: https://doi.org/10.22323/1.420.0073
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