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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

Application of Micromegas for sampling calorimetry puts specific constraints on the design and performance of this gaseous detector. In particular, uniform and linear response, low noise and stability against high ionisation density…

We measured the properties of a novel combination of two Gas Electron Multipliers with a Micromegas for use as amplification devices in high-rate gaseous time projection chambers. The goal of this design is to minimize the buildup of space…

Instrumentation and Detectors · Physics 2016-09-21 S. Aiola , R. J. Ehlers , S. Gu , J. W. Harris , R. Majka , J. D. Mulligan , M. Oliver , J. Schambach , N. Smirnov

We report first results obtained during the commissioning of the Laser Resonance Chromatography (LRC) apparatus, which is conceived to enable atomic structure investigations in the region of the heaviest elements beyond nobelium. In our…

The Cylindrical GEM-Inner Tracker (CGEM-IT) is the upgrade of the internal tracking system of the BESIII experiment. It consists of three layers of cylindrically-shaped triple GEMs, with important innovations with respect to the existing…

For the successful design and operation of gas based particle detectors, one needs a good understanding of the drift properties of the deployed gas. This includes the drift velocity of electrons, their diffusion and the gas amplification in…

Instrumentation and Detectors · Physics 2019-10-21 L. Koch

We report on the assessment of the imaging performance of CITIUS -- a high-speed X-ray detector developed for the large-scale synchrotron radiation facility SPring-8-II -- for heavy charged particles and neutrons. To characterize the…

Instrumentation and Detectors · Physics 2026-05-25 Yoshio Kamiya , Haruki Nishino , Takaki Hatsui

This article describes calculations and measurements of space charge effects due to high rate irradiation in high resolution drift tubes. Two main items are studied: the reduction of the gas gain and changes of the drift time. Whereas the…

High Energy Physics - Experiment · Physics 2009-10-31 G. Scherberger , V. Paschhoff , V. Waldmann , U. Landgraf , G. Herten , W. Mohr

The acceleration of high-intensity lead (Pb) beams for injection into the Large Hadron Collider (LHC) is limited by significant losses in the preceding CERN ion injector chain. A potential but largely uncharted source of losses are…

Accelerator Physics · Physics 2025-06-04 E. Waagaard , F. Ukena , J. Olsen , R. Alemany Fernández , J. Somoza , G. Weber

This contribution investigates a prototype of a TPC readout with a highly pixelated CMOS ASIC, which is an option for charged particles tracking of the ILC. A triple GEM stack was joined with a TimePix and MediPix2 chip (pixel size of…

Instrumentation and Detectors · Physics 2009-02-16 A. Bamberger , K. Desch , U. Renz , M. Titov , N. Vlasov , P. Wienemann , S. Zimmermann , A. Zwerger

The inert 2-Higgs Doublet Model (i2HDM) is a well-motivated minimal consistent Dark Matter (DM) model, but it is rather challenging to test at the Large Hadron Collider (LHC) in the parameter space allowed by relic density and DM direct…

High Energy Physics - Phenomenology · Physics 2019-02-07 A. Belyaev , T. R. Fernandez Perez Tomei , P. G. Mercadante , C. S. Moon , S. Moretti , S. F. Novaes , L. Panizzi , F. Rojas , M. Thomas

In the DeeMe experiment, approximately $70\ \mathrm{GHz/mm^{2}}$ prompt-charged particles will hit the multi-wire proportional chambers (MWPCs) before signal electrons come. To avoid the space charge effect, we developed fast HV-switching…

Instrumentation and Detectors · Physics 2018-12-05 N. Teshima

Drift velocity and longitudinal diffusion measurements are reported for a Negative Ion TPC (NITPC) operating with Helium + carbon disulfide gas mixtures at total pressures from 160 to 700 torr. Longitudinal diffusion at the thermal-limit…

Instrumentation and Detectors · Physics 2009-11-10 C. J. Martoff , R. Ayad , M. Katz-Hyman , G. Bonvicini , A. Schreiner

The combined vertexing and tracking performance of the innermost part of the FCC-ee experiments must deliver outstanding precision for measurement of the track momentum together with an impact parameter resolution exceeding by at least a…

Instrumentation and Detectors · Physics 2021-12-28 Nicola Barchetta , Paula Collins , Petra Riedler

We present results from two test beam campaigns that investigate the performance of straw tube detectors as potential candidates for an FCC-ee straw tracker. These studies were carried out at CERN using 150 GeV muon beams. Dedicated…

A prototype detector is being developed which combines the functions of a Time Projection Chamber for charged particle tracking and a Cherenkov detector for particle identification. The TPC consists of a 10x10x10 cm3 drift volume where the…

Instrumentation and Detectors · Physics 2015-12-18 Craig Woody , Babak Azmoun , Richard Majka , Michael Phipps , Martin Purschke , Nikolai Smirnov

The Collider Detector at Fermilab (CDF) is a general-purpose experimental apparatus with an inner tracking detector for measuring charged particles, surrounded by a calorimeter for measurements of electromagnetic and hadronic showers, and a…

Instrumentation and Detectors · Physics 2014-10-21 Ashutosh V. Kotwal , Christopher P. Hays

Coherent diffractive imaging of individual free nanoparticles has opened novel routes for the in-situ analysis of their transient structural, optical, and electronic properties. So far, single-shot single-particle diffraction was assumed to…

Hundreds of concurrent collisions per bunch crossing are expected at future hadron colliders. Precision timing calorimetry has been advocated as a way to mitigate the pileup effects and, thanks to their excellent time resolution,…

The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. Measured noise levels are low, with the number of…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration