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A Resistive Plate Chamber using Diamond-Like Carbon electrodes (DLC-RPC) has been developed as a background tagging detector in the MEG$~$II experiment. The DLC-RPC is planned to be installed in a high-intensity and low-momentum muon beam.…

Instrumentation and Detectors · Physics 2025-06-13 Masato Takahashi , Sei Ban , Weiyuan Li , Atsuhiko Ochi , Wataru Ootani , Atsushi Oya , Hiromu Suzuki , Kensuke Yamamoto

A micro time-projection-chamber (micro-TPC) with a detection volume of 23*28*31 cm^3 was developed, and its fundamental performance was examined. The micro-TPC consists of a micro pixel chamber with a detection area of 31*31 cm^2 as a…

Whispering gallery mode (WGM) microcavities feature ultrahigh Q-factors and small mode volumes, offering strong light-matter interactions for sensing applications. However, unmodified surfaces are weakly responsive togas-phase refractive…

Two-dimensional (2D) semimetals beyond graphene have been relatively unexplored in the atomically-thin limit. Here we introduce a facile growth mechanism for semimetallic WTe2 crystals, then fabricate few-layer test structures while…

Materials Science · Physics 2016-08-04 Michal J. Mleczko , Runjie , Xu , Kye Okabe , Hsueh-Hui Kuo , Ian R. Fisher , H. -S. Philip Wong , Yoshio Nishi , Eric Pop

This communication describes test beam results, focusing on detection efficiency and timing precision, of common float glass timing Resistive Plate Chambers (tRPCs) exposed to a $2.7$~GeV proton beam and operated at above ambient…

Instrumentation and Detectors · Physics 2022-11-23 A. Blanco , P. Fonte , L. Lopes , J. Saraiva

The Micro-Pattern Gaseous Detectors offer excellent spatial and temporal resolution in harsh radiation environments of high-luminosity colliders. In this work, an attempt has been made to establish an algorithm for estimating the time…

Instrumentation and Detectors · Physics 2016-05-11 Purba Bhattacharya , Nayana Majumdar , Supratik Mukhopadhyay , Sudeb Bhattacharya

The Microhexcavity Panel ( muHex) is a novel gaseous micropattern particle detector comprised of a dense array of close-packed hexagonal pixels, each operating as an independent detection unit for ionizing radiation. It is a second…

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

Gaseous detector with a sub keV electron equivalent threshold is a very perspective tool for the precision measurement of the neutrino magnetic moment and to observe coherent scattering of neutrinos on nuclei. The progress in the…

Instrumentation and Detectors · Physics 2014-09-18 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov , A. E. Solomatin

The design of a detector based on MICROMEGAS (MICRO MEsh GAseous Structure) technology is presented. Our detector is characterized by a large active area of 398(\times)281 mm(^{2}), a pad read-out with 20(\times)22 mm(^{2}) segmentation,…

Instrumentation and Detectors · Physics 2016-08-15 L. Aphecetche , H. Delagrange , D. G. d'Enterria , M. Le Guay , X. Li , G. Martínez , M. J. Mora , P. Pichot , D. Roy , Y. Schutz

A thin single-element THGEM-based, Resistive-Plate WELL (RPWELL) detector was operated with 150 GeV/c muon and pion beams in Ne/(5%CH$_4$), Ar/(5%CH$_4$) and Ar/(7%CO$_2$); signals were recorded with 1 cm$^2$ square pads and SRS/APV25…

A 100um thick silicon detector with 1mm2 pad readout optimized for sub-nanosecond time resolution has been developed and tested. Coupled to a purposely developed amplifier based on SiGe HBT technology, this detector was characterized at the…

The microhexcavity plasma panel detector is a type of gaseous particle detector consisting of a close-packed array of millimeter-size hexagonal cells. The cells are biased to operate in Geiger mode where each cell functions as an…

Small-diameter muon drift tube (sMDT) chambers with 15 mm tube diameter are a cost-effective technology for high-precision muon tracking over large areas at high background rates as expected at future high-energy hadron colliders including…

Instrumentation and Detectors · Physics 2017-03-08 Philipp Gadow , Oliver Kortner , Hubert Kroha , Robert Richter

A new type of radiation detector based on a spherical geometry is presented. The detector consists of a large spherical gas volume with a central electrode forming a radial electric field. Charges deposited in the conversion volume drift to…

We design and experimentally characterize a balanced homodyne detector optimized for high-repetition-rate (100 MHz) pulsed optical sources. Unlike conventional transimpedance-amplifier architectures, which suffer from nonlinearities and…

We report on a GaN/AlGaN quantum cascade detector operating in the terahertz spectral range. The device was grown by metal organic chemical vapor deposition on a c-sapphire substrate and relies on polar GaN/AlGaN step quantum wells. The…

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…

Emerging high-frequency accelerator technology in the terahertz regime is promising for the development of compact high-brightness accelerators and high resolution-power beam diagnostics. One resounding challenge when scaling to higher…

Accelerator Physics · Physics 2021-12-15 Max Kellermeier , Francois Lemery , Klaus Floettmann , Wolfgang Hillert , Ralph Assmann

Coherent detection and interferometry in the terahertz (THz) regime are key capabilities that enable applications ranging from astronomy to non-destructive testing. Phase-sensitive THz detection is currently achieved using nonlinear…