4-Dimensional Trackers

Berry, Doug; Cairo, V. M. M.; Dragone, A.; Centis-Vignali, Matteo; Giacomini, G.; Heller, R.; Jindariani, S.; Lai, A.; Linssen, L.; Lipton, R.; Madrid, Chris; Marković, Bojan; Mazza, S. M.; Ott, J.; Schwartzman, A.; Weber, Hannsjoerg Artur; Ye, Zhenyu

doi:10.48550/arxiv.2203.13900

Cited by 1 publication

(1 citation statement)

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“…The use of 4-dimensional (4D) trackers [1] that provide precise spatial and timing information is critical for many proposed experiments ranging from high energy collider physics to astroparticle experiments in space [2], and their development represents a key technological challenge. Tracking detectors capable of achieving 5-50 ps timing resolution and 5-30 µm position resolution are needed for many proposed future colliders including the FCC-hh [3,4], Muon colliders [5,6], and the Electron-Ion Collider (EIC) [7].…”

Section: Introductionmentioning

confidence: 99%

First survey of centimeter-scale AC-LGAD strip sensors with a 120 GeV proton beam

et al. 2023

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We present the first beam test results with centimeter-scale AC-LGAD strip sensors, using the Fermilab Test Beam Facility and sensors manufactured by the Brookhaven National Laboratory. Sensors of this type are envisioned for applications that require large-area precision 4D tracking coverage with economical channel counts, including timing layers for the Electron Ion Collider (EIC), and space-based particle experiments. A survey of sensor designs is presented, with the aim of optimizing the electrode geometry for spatial resolution and timing performance. Several design considerations are discussed towards maintaining desirable signal characteristics with increasingly larger electrodes. The resolutions obtained with several prototypes are presented, reaching simultaneous 18 μm and 32 ps resolutions from strips of 1 cm length and 500 μm pitch. With only slight modifications, these sensors would be ideal candidates for a 4D timing layer at the EIC.

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