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Low Gain Avalanche Detectors (LGAD) represent a remarkable advance in high energy particle detection, since they provide a moderate increase (gain ~10) of the collected charge, thus leading to a notable improvement of the signal-to-noise…

Instrumentation and Detectors · Physics 2016-05-04 Pablo Fernandez-Martinez , David Flores , Salvador Hidalgo , Virginia Greco , Angel Merlos , Giulio Pellegrini , David Quirion

An approximate formula has been derived for gain fluctuations in cascaded gaseous detectors such as GEM-s, based on the assumption that the charge collection, avalanche formation and extraction steps are independent cascaded processes. In…

Instrumentation and Detectors · Physics 2016-08-24 Dezső Varga

Apart from omnidirectional, a solid elastic sphere is a natural multimode and multifrequency device for the detection of Gravitational Waves (GW). Motion sensing in a spherical GW detector thus requires a multiple set of transducers…

Astrophysics · Physics 2007-05-23 J. Alberto Lobo , M. Angeles Serrano

We have developed a coupled-mode analysis framework for superconducting travelling-wave parametric amplifiers using the full Telegrapher's equations to incorporate loss-related behaviour. Our model provides an explanation of previous…

Superconductivity · Physics 2019-07-30 Songyuan Zhao , Stafford Withington , David J. Goldie , Chris N. Thomas

We study the performance of gaseous and two-phase (liquid-gas) cryogenic detectors of ionizing radiation, based on gas electron multipliers (GEMs). For the first time, high gas gains, exceeding 10^4, were obtained in pure He, Ar and Kr at…

Instrumentation and Detectors · Physics 2009-11-10 A. Buzulutskov , A. Bondar , L. Shekhtman , R. Snopkov , Y. Tikhonov

Current and next-generation particle tracking detectors will incorporate precision timing capabilities with resolutions approaching tens of picoseconds. Using Technology Computer-Aided Design (TCAD) simulations of Low-Gain Avalanche Diode…

Crosstalk characteristics such as pulse amplitude and shape are studied with a simple PSpice model of the capacitive couplings within an MPGD. The crosstalk pulse shape can be understood as due to a CR-differentiator. Crosstalk can occur…

Instrumentation and Detectors · Physics 2020-12-23 M. Hohlmann

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

High penetration of distributed generators (DG) in modern power grids creates angle, voltage, and frequency instabilities. Most of the work in the literature has focused on small-signal stability analysis of single grid-connected inverters…

Systems and Control · Electrical Eng. & Systems 2023-04-07 Ramkrishna Mishan

In the context of the 2013 APS-DPF Snowmass summer study conducted by the U.S. HEP community, this white paper outlines a roadmap for further development of Micro-pattern Gas Detectors for tracking and muon detection in HEP experiments. We…

Instrumentation and Detectors · Physics 2013-09-06 M. Hohlmann , V. Polychronakos , A. White , J. Yu

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…

The RD51 collaboration was founded in April 2008 to coordinate and facilitate efforts for development of micropattern gaseous detectors (MPGDs). The 75 institutes from 25 countries bundle their effort, experience and resources to develop…

Instrumentation and Detectors · Physics 2019-08-13 Serge Duarte Pinto

The balance between stability and plasticity remains a fundamental challenge in pretrained model-based incremental object detection (PTMIOD). While existing PTMIOD methods demonstrate strong performance on in-domain tasks aligned with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Songze Li , Qixing Xu , Tonghua Su , Xu-Yao Zhang , Zhongjie Wang

We report here a general theory describing photoelectron transportation dynamics in GaAs semiconductor photocathodes. Gradient doping is incorporated in the model through the inclusion of directional carrier drift. The time-evolution of…

Applied Physics · Physics 2021-09-29 Rui Zhou , Hemang Jani , Yijun Zhang , Yunsheng Qian , Lingze Duan

Motivated by modern applications of light detection and ranging (LIDAR), we study the model of an optical receiver based on an avalanche photo-diode (APD), followed by electronic circuitry for detection of reflected optical signals and…

Information Theory · Computer Science 2020-04-07 Ner Merhav

Micro-pattern gas detectors, such as the Gas Electron Multiplier (GEM) and the Micromegas need narrow high density anode readout elements to achieve good spatial resolution. A high-density anode readout would require an unmanageable number…

Instrumentation and Detectors · Physics 2011-07-19 M. S. Dixit , J. Dubeau , J. -P. Martin , K. Sachs

The evolution and the present status of the gaseous photon detectors technologies are reviewed. The most recent developments in several branches of the field are described, in particular the installation and commissioning of the first large…

Instrumentation and Detectors · Physics 2018-12-26 Fulvio Tessarotto

Probabilistic approaches for handling count-valued time sequences have attracted amounts of research attentions because their ability to infer explainable latent structures and to estimate uncertainties, and thus are especially suitable for…

Machine Learning · Computer Science 2024-05-24 Jiahao Wang , Sikun Yang , Heinz Koeppl , Xiuzhen Cheng , Pengfei Hu , Guoming Zhang

In this write-up we present the general theory of the signal formation in various detectors. We follow a pedagogical analysis and presentation such that the results could be easily understood and applied by the interested reader to the…

High Energy Physics - Experiment · Physics 2017-09-29 Manolis Dris , Theo Alexopoulos

Cryogenic versions of Resistive WELL (RWELL) and Resistive Plate WELL (RPWELL) detectors have been developed, aimed at stable avalanche multiplication of ionization electrons in dual-phase TPCs. In the RWELL, a thin resistive layer…

Instrumentation and Detectors · Physics 2023-06-28 A. Tesi , L. Moleri , S. Leardini , A. Breskin , D. Gonzalez-Diaz , L. Olano-Vegas , A. Jash , S. Bressler