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Advances in fabrication techniques and high-performance electronics have facilitated the development of fine-pitch Gas Electron Multipliers (GEMs). Earlier experimental and simulation findings suggest that these reduced-pitch GEMs can…

仪器与探测器 · 物理学 2026-01-16 Rajiv Gupta , Sunidhi Saxena , Ajay Kumar

An application for high-performance computing (HPC) is shown that is relevant in the field of battery development. Simulations of electrolyte wetting and flow are conducted using pore network models (PNM) and the lattice Boltzmann method…

计算工程、金融与科学 · 计算机科学 2024-01-22 Benjamin Kellers , Martin P. Lautenschlaeger , Julius Weinmiller , Lukas Krumbein , Simon Hein , Timo Danner , Arnulf Latz

A numerical model based on Finite Element Method (FEM) has been developed to simulate the electrical properties of RPC utilizing the law of current conservation. It has been used to systematically investigate the effect of the electrical as…

高能物理 - 实验 · 物理学 2022-10-12 Subhendu Das , Jaydeep Datta , Nayana Majumdar , Supratik Mukhopadhyay

Charge multiplication (CM) in p$^+$n epitaxial silicon pad diodes of 75, 100 and 150 $\upmu$m thickness at high voltages after proton irradiation with 1 MeV neutron equivalent fluences in the order of $10^{16}$ cm$^{-2}$ was studied as an…

仪器与探测器 · 物理学 2014-11-21 Jörn Lange , Julian Becker , Eckhart Fretwurst , Robert Klanner , Gunnar Lindström

We have previously reported on the construction and successful operation of the novel double phase Liquid Argon Large Electron Multiplier Time Projection Chamber (LAr LEM-TPC). This detector concept provides a 3D-tracking and calorimetric…

仪器与探测器 · 物理学 2015-03-17 A. Badertscher , A. Curioni , L. Knecht , D. Lussi , A. Marchionni , G. Natterer , F. Resnati , A. Rubbia , T. Viant

We report on the first observation of electroluminescence and charge amplification with a Virtual Cathode Chamber (VCC) microstrips plate immersed in liquid xenon. Both were observed in an intense non-uniform electric field in the vicinity…

仪器与探测器 · 物理学 2025-10-24 Gonzalo Martínez-Lema , Vitaly Chepel , Amos Breskin

We propose a time-resolved optical measurement scheme for sampling transient charge and spin currents in a bulk centrosymmetric semiconductor. The technique relies on emission of second harmonic light triggered by a pulsed below-gap optical…

介观与纳米尺度物理 · 物理学 2024-06-18 Amin Lakhal , Stéphane Virally , Jacob B. Khurgin , Denis V. Seletskiy

In this paper we present the testing of a back-illuminated development Euclid Visible Instrument (VIS) Charge-Coupled Device (CCD) to measure the intrinsic CCD Point Spread Function (PSF) characteristics using a novel modelling technique.…

天体物理仪器与方法 · 物理学 2015-06-23 Sami-Matias Niemi , Mark Cropper , Magdalena Szafraniec , Thomas Kitching

Charge-coupled devices (CCDs) are widely used in astronomy to carry out a variety of measurements, such as for flux or shape of astrophysical objects. The data reduction procedures almost always assume that ther esponse of a given pixel to…

天体物理仪器与方法 · 物理学 2015-02-18 A. Guyonnet , P. Astier , P. Antilogus , N. Regnault , P. Doherty

The observation of spatial quantum noise reduction, or spatial squeezing, with a large number of photons can lead to a significant advantage in quantum imaging and quantum metrology due to the scaling of the signal-to-noise ratio with the…

量子物理 · 物理学 2019-12-25 Ashok Kumar , Alberto M. Marino

Gaseous detectors are used in high energy physics as trackers or, more generally, as devices for the measurement of the particle position. For this reason, they must provide high spatial resolution and they have to be able to operate in…

We report on a new technique of a Multi-Cathode Counter (MCC) developed to search for hidden photon (HP) cold dark matter (CDM) with a mass from 5 to 10 eV. The method suggested in the assumption that hidden photons of the mass greater than…

仪器与探测器 · 物理学 2015-09-11 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov

Background: we develop the concept of a Micromegas (MICRO-MEsh GAseous Structure) readout plane with an additional GEM (Gas Electron Multiplier) preamplification stage placed a few mm above it, to increase the maximum effective gain of the…

Achieving reliable communication over different channels and modes is one of the main goals of Mode Division Multiplexing-Wavelength Division Multiplexing (MDM-WDM) communication networks. The reliability can be described by minimum Signal…

信号处理 · 电气工程与系统科学 2021-07-27 Mohammad Ali Amirabadi , Mohammad Hossein Kahaei , S. Alireza Nezamalhosseini

Frequency conversion (FC) and type-II parametric down-conversion (PDC) processes serve as basic building blocks for the implementation of quantum optical experiments: type-II PDC enables the efficient creation of quantum states such as…

量子物理 · 物理学 2013-05-27 Andreas Christ , Benjamin Brecht , Wolfgang Mauerer , Christine Silberhorn

The multi-pixel photon counter (MPPC) is a newly developed photodetector with an excellent photon counting capability. It also has many attractive features such as small size, high gain, low operation voltage and power consumption, and…

Model mismatch and process noise are two frequently occurring phenomena that can drastically affect the performance of model predictive control (MPC) in practical applications. We propose a principled way to tune the cost function and the…

系统与控制 · 电气工程与系统科学 2025-06-24 Riccardo Zuliani , Efe C. Balta , John Lygeros

Optical readout of Gas Electron Multipliers (GEM) provides very interesting performances and has been proposed for different applications in particle physics. In particular, thanks to its good efficiency in the keV energy range, it is being…

Edge computing has emerged as a pivotal technology, offering significant advantages such as low latency, enhanced data security, and reduced reliance on centralized cloud infrastructure. These benefits are crucial for applications requiring…

分布式、并行与集群计算 · 计算机科学 2026-02-24 Tomasz Szydlo , Viacheslav Horbanov , Devki Nandan Jha , Shashikant Ilager , Aleksander Slominski , Rajiv Ranjan

The advancement of Micro Pattern Gaseous Detector technology offers us different kinds of detectors with good spatial resolution and high rate capability and the Gas Electron Multiplier (GEM) detector is one of them. Typically GEM is made…

仪器与探测器 · 物理学 2020-12-30 S. Chatterjee , A. Sen , S. Roy , K. Nivedita G , A. Paul , S. Das , S. Biswas