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A beam imaging detector was developed by coupling a multi-strip anode with delay line readout to an E$\times$B microchannel plate (MCP) detector. This detector is capable of measuring the incident position of the beam particles in…

Instrumentation and Detectors · Physics 2017-09-20 B. B. Wiggins , Varinderjit Singh , J. Vadas , J. Huston , T. K. Steinbach , S. Hudan , R. T. deSouza

The Gas Electron Multiplier (GEM) detector is one of the advanced members of the Micro Pattern Gas Detector (MPGD) family, used in High Energy Physics (HEP) experiments as a tracking device due to its high rate handling capability and good…

Instrumentation and Detectors · Physics 2022-06-23 S. Chatterjee , A. Sen , S. Das , S. Biswas

To extend the acceptance of the CMS muon spectrometer to the region 2.4 $<|\eta|<$ 2.8, stacks of triple-GEM chambers, forming the ME0 station, are planned for the CMS Phase 2 Upgrade. These large-area micro-pattern gaseous detectors must…

European Spallation Source instruments like the macromolecular diffractometer, NMX, require an excellent neutron detection efficiency, high-rate capabilities, time resolution, and an unprecedented spatial resolution in the order of a few…

The detection of low energy neutrinos ($<$ few tens of MeV) via coherent nuclear scattering remains a holy grail of sorts in neutrino physics. This uncontroversial mode of interaction is expected to profit from a sizeable increase in cross…

High Energy Physics - Experiment · Physics 2011-05-12 P. Barbeau , J. I. Collar , J. Miyamoto , I. Shipsey

We present a concept for an Advanced Compton Telescope (ACT) based on the use of pixelized gas micro-well detectors to form a three-dimensional electron track imager. A micro-well detector consists of an array of individual micro-patterned…

Astrophysics · Physics 2009-11-10 P. F. Bloser , S. D. Hunter , J. M. Ryan , M. L. McConnell , R. S. Miller , T. N. Jackson , B. Bai , S. Jung

The combination of a Cherenkov radiator with a semi-transparent photocathode and a Micromegas based amplification stage allows PICOSEC Micromegas detectors to achieve a time resolution of better than 15ps. While tileable prototypes with…

The Time Projection method is an ideal candidate to track low energy release particles. Large volumes can be readout by means of a moderate number of channels providing a complete 3D reconstruction of the charged tracks within the sensitive…

Instrumentation and Detectors · Physics 2019-01-15 G. Mazzitelli , E. Baracchini , G. Cavoto , E. Di Marco , M. Marafini , C. Mancini , D. Pinci , F. Renga , S. Tomassini

This report summarizes the present knowledge on discharges in micropattern and small gap gaseous detectors and the physical mechanisms involved. These include the space-charge (Raether's) limit, rate-induced breakdown, cathode excitation…

Instrumentation and Detectors · Physics 2009-11-04 V. Peskov , P. Fonte

Muon tomography based on the measurement of multiple scattering of atmospheric cosmic ray muons is a promising technique for detecting and imaging heavily shielded high-Z nuclear materials such as enriched uranium. This technique could…

Instrumentation and Detectors · Physics 2016-11-17 K. Gnanvo , B. Benson , W. Bittner , F. Costa , L. Grasso , M. Hohlmann , J. B. Locke , S. Martoiu , H. Muller , M. Staib , A. Tarazona , J. Toledo

A system of two microchannel-plate detectors has been successfully implemented for tracking projectile-fragmentation beams. The detectors provide interaction positions, angles, and arrival times of ions at the reaction target. The current…

Optical readout of large Time Projection Chambers (TPCs) with multiple Gas Electron Multipliers (GEMs) amplification stages has shown to provide very interesting performances for high energy particle tracking. Proposed applications for…

We report on a large active area (15x15mm2), high channel density (470 pixels/mm2), self-triggering CMOS analog chip that we have developed as pixelized charge collecting electrode of a Micropattern Gas Detector. This device, which…

A position sensitive thin gap chamber has been developed. The position resolution was measured using the cosmic muons. This paper presents the structure of this detector, position resolution measurement method and results.

Instrumentation and Detectors · Physics 2015-06-17 Yanyan Du , Tongye Xu , Ruobin Shao , Xu Wang , Chengguang Zhu

Transition Radiation Detectors (TRDs) are useful for electron identification and hadron suppression in high energy nuclear and particle physics experiments. Conventional wire-chamber TRDs face operational limitations due to space charge…

The density of two-dimensional Ag adatom gases on W(110) is determined by monitoring local electron reflectivity using low energy electron microscopy (LEEM). This method of adatom concentration measurement can detect changes in adatom…

Materials Science · Physics 2007-05-23 J. de la Figuera , N. C. Bartelt , K. F. McCarty

We have developed and successfully used several innovative designs of detectors with solid photocathodes. The main advantage of these detectors is that rather high gains (>10E4) can be achieved in a single multiplication step. This is…

Instrumentation and Detectors · Physics 2009-11-07 P. Carlson , C. Iacobeaus , T. Francke , B. Lund-Jensen , L. Periale , V. Peskov , I. Rodionov

Large-Area Picosecond Photo-Detectors (LAPPDs) show great potential for expanding the performance envelope of Micro-Channel Plates (MCPs) to areas of up to 20 x 20 cm and larger. Such scaling introduces new challenges, including how to meet…

Instrumentation and Detectors · Physics 2018-05-04 Glenn R. Jocher , Matthew J. Wetstein , Bernhard Adams , Kurtis Nishimura , Shawn M. Usman