The performance of AC-coupled Strip LGAD developed by IHEP - INSPIRE

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The performance of AC-coupled Strip LGAD developed by IHEP

Feb 23, 2024

Published in:

Nucl.Instrum.Meth.A 1062 (2024) 169203

Contribution to:

- PSD13

Published: Feb 23, 2024

DOI:

10.1016/j.nima.2024.169203 (publication)

reference search1 citation

Citations per year

Abstract: (Elsevier B.V.)

The AC-coupled Strip LGAD (Strip AC-LGAD) is a novel LGAD design that diminishes the density of readout electronics through the use of strip electrodes, enabling the simultaneous measurement of time and spatial information. The Institute of High Energy Physics has designed a long Strip AC-LGAD prototype with a strip electrode length of 5.7 mm and pitches of 150

μ

m, 200

μ

m, and 250

μ m

. Spatial and timing resolutions of the long Strip AC-LGAD are studied by pico-second laser test and beta source tests. The laser test demonstrates that spatial resolution improves as the pitch size decreases, with an optimal resolution achieved at

8.3 μ m

. Furthermore, the Beta source test yields a timing resolution of 37.6 ps.

AC-LGAD
Silicon detector
Spatial resolution
Timing resolution

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Figures(0)

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