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DOE OSTI · 2564443

AC-LGADs Fermilab front-end electronics characterization

Ríos, René [Universidad de La Serena (Chile)] (ORCID:0000000310379950)·Molina Cardenas, Esteban Felipe [Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0009000206745305)·Peña, Cristián [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000245007930)·Soto, Orlando [Universidad de La Serena (Chile); Millenium Institute for Subatomic Physics at the High-Energy Frontier (SAPHIR) of ANID, Santiago (Chile)] (ORCID:0000000286130310)·Brooks, William [Millenium Institute for Subatomic Physics at the High-Energy Frontier (SAPHIR) of ANID, Santiago (Chile); Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0000000161613570)·Apresyan, Artur [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000261860130)·Los, Sergey [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000186375628)·San Martín, Claudio [Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0000000253939308)
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Abstract

Here, we characterized the front-end electronics used to process high-frequency signals from low-gain avalanche diodes (LGADs) at the Fermilab Test Beam Facility. LGADs are silicon detectors employed for charged particle tracking, offering exceptional spatial and temporal resolution. The purpose of this characterization was to understand how the time resolution is influenced by the front-end electronics. To achieve this, we developed a setup capable of generating input signals with varying amplitudes. The output results demonstrated that signal processing by the front-end electronics plays a crucial role in enhancing time resolution. We showed that the time resolution achieved by the FEE board is better than 2 p s at the 1 σ level.

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDSFront-end electronicsHigh-frequency signal processingJitterLow-gain avalanche diodeTiming resolution

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Ríos, René [Universidad de La Serena (Chile)] (ORCID:0000000310379950), Molina Cardenas, Esteban Felipe [Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0009000206745305), Peña, Cristián [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000245007930), Soto, Orlando [Universidad de La Serena (Chile); Millenium Institute for Subatomic Physics at the High-Energy Frontier (SAPHIR) of ANID, Santiago (Chile)] (ORCID:0000000286130310), Brooks, William [Millenium Institute for Subatomic Physics at the High-Energy Frontier (SAPHIR) of ANID, Santiago (Chile); Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0000000161613570), Apresyan, Artur [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000261860130), Los, Sergey [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000186375628), San Martín, Claudio [Universidad Tecnica Federico Santa Maria, Valparaiso (Chile)] (ORCID:0000000253939308). 2025-10-14. AC-LGADs Fermilab front-end electronics characterization. https://doi.org/10.1016/j.nima.2025.171081

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