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Low-Gain Avalanche Detectors (LGADs) are a type of thin silicon detector with a highly doped gain layer that provides moderate internal signal amplification. One recent challenge in the use of LGADs, studied by several research groups, is…

Instrumentation and Detectors · Physics 2024-05-07 S. Braun , Q. Buat , J. Ding , P. Kammel , S. M. Mazza , F. McKinney-Martinez , A. Molnar , C. Lansdell , J. Ott , A. Seiden , B. Schumm , Y. Zhao

Low Gain Avalanche Detectors(LGADs) is one of the candidate sensing technologies for future 4D-tracking applications and recently have been qualified to be used in the ATLAS and CMS timing detectors for the CERN High Luminosity Large Hadron…

Instrumentation and Detectors · Physics 2022-04-06 Esteban Currás , Marcos Fernández , Michael Moll

Low Gain Avalanche Detectors (LGAD) are based on a n++-p+-p-p++ structure where an appropriate doping of the multiplication layer (p+) leads to high enough electric fields for impact ionization. Gain factors of few tens in charge…

Low Gain Avalanche Diodes, also known as LGADs, are widely considered for fast-timing applications in high energy physics, nuclear physics, space science, medical imaging, and precision measurements of rare processes. Such devices are…

Low Gain Avalanche Detectors (LGADs) are key components for precise timing measurements in high-energy physics experiments, including the High Luminosity upgrades of the current LHC detectors. Their performance is, however, limited by…

Instrumentation and Detectors · Physics 2026-02-03 Veronika Kraus , Marcos Fernandez Garcia , Luca Menzio , Michael Moll

Motivated by the need for fast timing detectors to withstand up to 2 MGy of ionizing dose at the High Luminosity Large Hadron Collider, prototype low gain avalanche detectors (LGADs) have been fabricated in single pad configuration, 2x2…

Instrumentation and Detectors · Physics 2021-12-20 Martin Hoeferkamp , Alissa Howard , Gregor Kramberger , Sally Seidel , Josef Sorenson , Adam Yanez

Low Gain Avalanche Detectors (LGADs) are fast silicon sensors with potential for high-resolution proton beam monitoring. In this work, we investigated their response in a 60 MeV proton beam from an AIC-144 cyclotron. Several features of the…

Instrumentation and Detectors · Physics 2025-08-19 A. Bellora , L. Grzanka , R. McNulty , N. Minafra , K. Misan , M. Nessel , T. Nowak , P. Rzeznik , J. Swakon , T. Szollosova

The properties of 50 um thick Low Gain Avalanche Diode (LGAD) detectors manufactured by Hamamatsu photonics (HPK) and Fondazione Bruno Kessler (FBK) were tested before and after irradiation with 1 MeV neutrons. Their performance were…

The high-luminosity upgrade of the ATLAS and CMS experiments includes dedicated sub-detectors to perform the time-stamping of minimum ionizing particles (MIPs). These detectors will be exposed up to fluences in the range of 1.5 - 2.5e15…

Instrumentation and Detectors · Physics 2023-06-22 Esteban Curras Rivera , Alessandro La Rosa , Michael Moll , Fasih Zareef

Low-Gain Avalanche Diodes (LGADs) are fast silicon sensors with internal charge multiplication and are key candidates for precision timing layers in future high-energy hadron colliders. Their operation in harsh radiation environments,…

Next generation Low Gain Avalanche Diodes (LGAD) produced by Hamamatsu photonics (HPK) and Fondazione Bruno Kessler (FBK) were tested before and after irradiation with ~1MeV neutrons at the JSI facility in Ljubljana. Sensors were irradiated…

Low Gain Avalanche Detectors (LGADs) are thin silicon detectors with moderate internal signal amplification and time resolution as good as 17 ps for minimum ionizing particles. However, the current major limiting factor in granularity is…

Instrumentation and Detectors · Physics 2023-05-26 M. Nizam , K. W. Shin , S. M. Mazza , J. Ott , A. Seiden , B. Schumm , Y. Zhao

Silicon sensors are the go-to technology for high-precision sensors in particle physics. But only recently low-noise silicon sensors with internal amplification became available. The so-called Low Gain Avalanche Detector (LGAD) sensors have…

Low Gain Avalanche Detectors (LGADs) are silicon semiconductor sensors with an implanted thin p-doped multiplication layer that is designed to provide low gain. Most importantly, LGADs are specifically engineered to provide excellent…

Instrumentation and Detectors · Physics 2023-10-11 R. Moriya , R. Bates , M. Bullough , N. Cooke , A. Docheva , L. Lombigit , D. Maneuski , R. McFeely , N. Moffat

Low Gain Avalanche Detectors (LGADs) are a type of thin silicon detector with a highly doped gain layer. LGADs manufactured by Fondazione Bruno Kessler (FBK) were tested before and after irradiation with neutrons. In this study, the…

The low gain avalanche detectors (LGADs) are thin sensors with fast charge collection which in combination with internal gain deliver an outstanding time resolution of about 30 ps. High collision rates and consequent large particle rates…

Low Gain Avalanche Detectors (LGADs) are n-on-p silicon sensors with an extra p-layer below the collection electrode which provides signal amplification. When the primary electrons reach the amplification region new electron-hole pairs are…

Low Gain Avalanche Diodes (LGADs) are thin (20-50 $\mu m$)silicon di ode sensors with modest internal gain (typically 5 to 50) and exceptional time resolution (17 $ps$ to 50 $ps$). However, the granularity of such devices is limited to the…

Instrumentation and Detectors · Physics 2021-01-05 S. Ayyoub , C. Gee , R. Islam , S. M. Mazza , B. Schumm , A. Seiden , Y. Zhao

Low Gain Avalanche Detectors (LGADs) are silicon sensors with a built-in charge multiplication layer providing a gain of typically 10 to 50. Due to the combination of high signal-to-noise ratio and short rise time, thin LGADs provide good…

Forward proton spectrometers at high-energy proton colliders rely on precision timing to discriminate signal from background. Silicon low gain avalanche diodes (LGADs) are a candidate for future timing detectors in these systems. A major…

Instrumentation and Detectors · Physics 2025-03-26 C. Beirão da Cruz e Silva , G. Marozzo , G. Da Molin , J. Hollar , M. Gallinaro , M. Khakzad , S. Bashiri Kahjoq , K. Shchelina
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