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The timing measurement of charged particles using silicon detector is widely used in synchrotron source as X-ray detectors, in time-of-flight mass spectrometer and especially in large collider experiment. To reduce the drastically event…

Instrumentation and Detectors · Physics 2020-01-01 Yuzhen Yang , Suyu Xiao , Yunyun Fan , Dejun Han , Zhijun Liang , Baohua Qi , Liaoshan Shi , Yuhang Tan , Xingan Zhang , Xin Shi

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 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

Low-Gain Avalanche Diode (LGAD) sensor is one of candidate sensors for the tracker at future hadron collider experiments. To use this sensor as a tracking detector, AC-LGAD sensor is being developed which has both timing and spatial…

Instrumentation and Detectors · Physics 2023-05-23 Sayuka Kita , Koji Nakamura , Tomoka Imamura , Ikumi Goya , Kazuhiko Hara

This paper reports the last technological development on the Low Gain Avalanche Detector (LGAD) and introduces a new architecture of these detectors called inverse-LGAD (iLGAD). Both approaches are based on the standard Avalanche Photo…

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…

This paper shows the simulation and test results of 50um thick Low Gain Avalanche Detectors (LGAD) sensors designed by the Institute of High Energy Physics (IHEP) and fabricated by the Institute of Microelectronics of the Chinese Academy of…

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,…

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

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 (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…

The detectors with $\mathcal{O}$(10) $\mu$m spatial resolution and $\mathcal{O}$(10) ps timing resolution construct powerful particle trackers for future hadron or lepton collider experiments. LGAD: Low-Gain-Avalanche-Diode is a…

Instrumentation and Detectors · Physics 2024-01-17 Tomoka Imamura , Sayuka Kita , Koji Nakamura , Kazuhiko Hara

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…

The development of detectors that provide high resolution in four dimensions has attracted wide-spread interest in the scientific community for several applications in high-energy physics, nuclear physics, medical imaging, mass spectroscopy…

The High Granularity Timing Detector (HGTD) will be installed in the ATLAS experiment to mitigate pile-up effects during the High Luminosity (HL) phase of the Large Hadron Collider (LHC) at CERN. Low Gain Avalanche Detectors (LGADs) will…

AC-coupled Low Gain Avalanche Detector (AC-LGAD) is a new precise detector technology developed in recent years. Based on the standard Low Gain Avalanche Detector (LGAD) technology, AC-LGAD sensors can provide excellent timing performance…

Instrumentation and Detectors · Physics 2023-10-24 Kang Liu , Mengzhao Li , Junhua Zhang , Weiyi Sun , Yunyun Fan , Zhijun Liang , Yufeng Wang , Mei Zhao , Kun Liu

LGAD technology is established within the field of particle physics, as the baseline technology for the timing detectors of both the ATLAS and CMS upgrades at the HL-LHC. Pixelated LGADs have been proposed for the High Granularity Timing…

Instrumentation and Detectors · Physics 2022-06-02 A. Doblas , D. Flores , S. Hidalgo , N. Moffat , G. Pellegrini , D. Quirion , J. Villegas , D. Maneuski , M. Ruat , P. Fajardo

The response of Low Gain Avalanche Diodes (LGADs), which are a type of thin silicon detector with internal gain, to X-rays of energies between 6-70 keV was characterized at the SLAC light source (SSRL). The utilized beamline at SSRL was…

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