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Related papers: Annealing effects on operation of thin Low Gain Av…

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Studies of annealing at temperatures up to 450$^\circ$C with LGADs irradiated with neutrons are described. It was found that the performance of LGADs irradiated with 1.5e15 n/cm$^2$ was already improved at 5 minutes of annealing at…

Instrumentation and Detectors · Physics 2023-08-16 I. Mandić , V. Cindro , A. Gorišek , B. Hiti , A. Howard , Ž. Kljun , G. Kramberger , M. Maček Kržmanc , M. Mikuž , B. Novak

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…

Thin pad detectors made from 75 $\mu$m thick epitaxial silicon on low resistivity substrate were irradiated with reactor neutrons to fluences from 2.5$\times 10^{16}$ n/cm$^2$ to 1$\times 10^{17}$ n/cm$^2$. Edge-TCT measurements showed that…

Instrumentation and Detectors · Physics 2020-12-30 I. Mandić , V. Cindro , A. Gorišek , B. Hiti , G. Kramberger , M. Mikuž , M. Zavrtanik , P. Skomina , S. Hidalgo , G. Pellegrini

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…

We study the radiation effects of the Low Gain Avalanche Detector (LGAD) sensors developed by the Institute of High Energy Physics (IHEP) and the Novel Device Laboratory (NDL) of Beijing Normal University in China. These new sensors have…

Instrumentation and Detectors · Physics 2021-07-07 Yuhang Tan , Tao Yang , Suyu Xiao , Kewei Wu , Lei Wang , Yaoqian Li , Zhenwei Liu , Zhijun Liang , Dejun Han , Xingan Zhang , Xin Shi

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) deliver excellent timing resolution, which can mitigate mis-assignment of vertices associated with pileup at the High Luminosity LHC and other future hadron colliders. The most highly irradiated LGADs…

Instrumentation and Detectors · Physics 2024-01-01 Josef Sorenson , Martin Hoeferkamp , Gregor Kramberger , Sally Seidel , Jiahe Si

Low-Gain Avalanche Detectors are gathering interest in the High-Energy Physics community thanks to their fast-timing and radiation-hardness properties, which are planned to be exploited, for example, in timing detectors for the upgrades of…

Instrumentation and Detectors · Physics 2019-05-07 Gabriele Giacomini , Wei Chen , Francesco Lanni , Alessandro Tricoli

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) 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

The presented study investigates the effects of low fluences from $5\times10^{12}$ up to $1\times10^{14}$ particles/cm$^{2}$ of 60MeV proton and neutron irradiation on n-type Low Gain Avalanche Detectors (nLGADs). An nLGAD is a silicon…

Instrumentation and Detectors · Physics 2025-08-11 Veronika Kraus , Marcos Fernandez Garcia , Salvador Hidalgo , Michael Moll , Jairo Villegas

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

Low-Gain Avalanche Diodes are a type of silicon Avalanche Photo-Diodes originally developed for the fast detection of minimum ionizing particles in high-energy physics experiments. Thanks to their fast timing performance, the Low-Gain…

Instrumentation and Detectors · Physics 2024-02-07 Gabriele Giacomini , Wei Chen , Gabriele D'Amen , Enrico Rossi , Alessandro Tricoli

The effect of short-time and long-time annealing at 250C on the conductivity, hole density, and Curie temperature of GaMnAs single layers and GaMnAs/InGaMnAs heterostructures is studied by in-situ conductivity measurements as well as Raman…

Condensed Matter · Physics 2009-11-10 W. Limmer , A. Koeder , S. Frank , M. Glunk , W. Schoch , V. Avrutin , K. Zuern , R. Sauer , A. Waag

Between Run II commissioning in early 2001 and the end of operations in September 2011, the Tevatron collider delivered 12~fb$^{-1}$ of $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV to the Collider Detector at Fermilab (CDF). During that…

Instrumentation and Detectors · Physics 2015-06-18 M. Stancari , K. Knoepfel , S. Behari , D. Christian , B. Di Ruzza , S. Jindariani , T. R. Junk , M. Mattson , A. Mitra , M. N. Mondragon , A. Sukhanov

Low gain avalanche detectors can measure charged particle fluences with high speed and spatial precision, and are a promising technology for radiation monitoring and dosimetry. A detector has been tested in a medical linac where single…

Instrumentation and Detectors · Physics 2022-02-17 Tommaso Isidori , Patrick McCavana , Brendan McClean , Ronan McNulty , Nicola Minafra , Naomi Raab , Luke Rock , Christophe Royon

The paper reports on the timing resolution achieved with Low-Gain Avalanche Diodes (LGADs), optimised for extreme-fluence conditions, at the DESY Test Beam Facility using 4~GeV/c electrons. The LGADs adopt an $n$-in-$p$ technology with a…

The performances of Low Gain Avalanche diode (LGAD) sensors from a neutron irradiation campaign with fluences of 0.8 x 10^15, 15 x 10^15 and 2.5 x 10^15 neq/cm2 are reported in this article. These LGAD sensors are developed by the Institute…

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…

Avalanche photodiodes (APDs) are well-suited for single-photon detection on quantum communication satellites as they are a mature technology with high detection efficiency without requiring cryogenic cooling. They are, however, prone to…

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