English
Related papers

Related papers: Signal Development for Saturated Ultrafast Sensors…

200 papers

Silicon-based fast time detectors have been widely used in high energy physics, nuclear physics, space exploration and other fields in recent years. However, silicon detectors often require complex low-temperature systems when operating in…

Low-Gain Avalanche Diodes (LGADs) provide moderate internal gain and time resolutions of a few tens of picoseconds, making them a key technology for ultrafast timing in high-energy physics and beyond. However, both their gain and timing…

Instrumentation and Detectors · Physics 2026-04-28 Weiyi Sun , Mengzhao Li , Mei Zhao , Zhijun Liang

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…

We derive expressions for the time resolution of silicon detectors, using the Landau theory and a PAI model for describing the charge deposit of high energy particles. First we use the centroid time of the induced signal and derive analytic…

Instrumentation and Detectors · Physics 2019-06-27 Werner Riegler , Gianluca Aglieri Rinella

This contribution reports on characterisation results of a large-area (2$~\mathrm{cm}^2$) small pitch (55$~\mu$m) inverse Low-Gain Avalanche Detector (iLGAD), bonded to a Timepix3 readout chip. The ilGAD sensors were produced by Micron…

Instrumentation and Detectors · Physics 2025-01-09 Peter Svihra , Richard Bates , Justus Braach , Eric Buschmann , Dominik Dannheim , Dima Maneuski , Neil Moffat , Younes Otarid

We report a concept low gain avalanche diode (LGAD) detector to be integrated into TOPSiDE, which is being developed for EIC (Electron-Ion Collider) project. The LGAD detector will be taking its place to resolve requirement of…

Instrumentation and Detectors · Physics 2021-12-21 Kyung-Wook , Shin , Jose O. Repond , David Blyth , Jessica E. Metcalfe , Manoj Jadhav , Abraham Saiden , Hartmut Sadrozinski

Silicon sensors with high time resolution can help particle identification in the International Linear Collider (ILC). We are studying Low Gain Avalanche Diodes (LGADs) as a high timing resolution sensor. As a step to develop LGADs, we are…

Instrumentation and Detectors · Physics 2020-06-17 Y. Deguchi , K. Kawagoe , E. Mestre , R. Mori , T. Suehara , T. Yoshioka

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

Two design innovations, low-gain avalanche (Low-Gain Avalance Diode, LGAD) and resistive read-out (Resistive Silicon Detector, RSD), have brought strong performance improvements to silicon sensors. Large signals, due to the added gain…

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 (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…

Detectors based on pixels with timing capabilities are gaining increasing importance in the last years. Next-to-come high-energy physics experiments at colliders require the use of time information in tracking, due to the expected levels of…

Instrumentation and Detectors · Physics 2023-01-27 Gian Matteo Cossu , Adriano Lai

For experiments at the European X-Ray Free-Electron Laser (XFEL) the Adaptive Gain Integrating Pixel Detector (AGIPD) is under development. The particular requirements for the detector are a high dynamic range of 0, 1 - to more than 10E4…

Instrumentation and Detectors · Physics 2015-06-11 J. Schwandt , E. Fretwurst , R. Klanner , J. Zhang

A novel graphene-optimized silicon carbide PIN detector was fabricated. Its electrical properties, charge collection performance and signal rise time were evaluated under non-irradiated conditions and under X-ray irradiation with an energy…

Instrumentation and Detectors · Physics 2026-05-07 Yingjie Huang , Congcong Wang , Jingxuan He , Yi Zhan , Zhenyu Jiang , Xiyuan Zhang , Xin Shi

This paper discusses a detailed design approach to determine the optimal input impedance (Rin) and bandwidth (BW) for current preamplifiers in Front End Electronics (FEE) of high-accuracy time measurement systems used in particle detection.…

Instrumentation and Detectors · Physics 2021-04-29 Abderrahmane Ghimouz , Fatah Rarbi , Olivier Rossetto

The development of Low-Gain Avalanche Detectors has opened up the possibility of manufacturing silicon detectors with signal larger than that of traditional sensors. In this paper we explore the timing performance of Low-Gain Avalanche…

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

The distributed absorption of photons in photodiodes induces an excess noise in continuous-wave photodetection above the transit-time roll-off frequency. We show that it can be treated as a frequency-dependent excess optical loss in…

Quantum Physics · Physics 2018-12-11 Takahiro Serikawa , Akira Furusawa

Using multi-channel time-resolved current measurements (multi TCT), the charge collection of p+n silicon strip sensors for electron-hole pairs produced close to the Si-SiO2 interface by a focussed sub-nanosecond laser with a wavelength of…

Instrumentation and Detectors · Physics 2013-01-01 Thomas Poehlsen , Eckhart Fretwurst , Robert Klanner , Sergej Schuwalow , Jörn Schwandt , Jiaguo Zhang

High-energy physics detectors, like Low Gain Avalanche Detectors (LGADs) that will be used as fast timing detectors in the High Luminosity LHC experiments, have to exhibit a significant radiation tolerance. Thereby the impact of radiation…