English
Related papers

Related papers: Wide-gap CdTe Strip Detectors for High-Resolution …

200 papers

We present a survey of serendipitous extended X-ray sources and optical cluster candidates from the Chandra Multi-wavelength Project (ChaMP). Our main goal is to make an unbiased comparison of X-ray and optical cluster detection methods. In…

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 Low-Gain Avalanche Diode (LGAD) is a new silicon detector and holds wide application prospects in particle physics experiments due to its excellent timing resolution. The LGAD with a pixel size of 1.3 mm $\times$ 1.3 mm was used to…

Instrumentation and Detectors · Physics 2024-05-03 Weiyi Sun , Mengzhao Li , Tianyuan Zhang , Mei Zhao , Yunyun Fan , Shuqi Li , Yuan Feng , Xinhui Huang , Xuan Yang , Wei Wang , Zhijun Liang , Yuekun Heng

Charge exchange is an important process for the modeling of X-ray spectra obtained by the Chandra, XMM-Newton, and Suzaku X-ray observatories, as well as the anticipated Astro-H mission. The understanding of the observed X-ray spectra…

High Energy Astrophysical Phenomena · Physics 2017-02-28 P. D. Mullen , R. S. Cumbee , D. Lyons , P. C. Stancil

The position accuracy of X-ray photons on a CCD detector is generally believed to be limited by the CCD pixel size. While this is true in general, the position accuracy for X-ray events which deposit charge in more than one pixel can be…

Coincidence time resolution (CTR) in time-of-flight positron emission tomography (TOF-PET) has significantly improved with advancements in scintillators, photodetectors, and readout electronics. Achieving a CTR of 100 ps remains challenging…

Instrumentation and Detectors · Physics 2024-12-25 Yuya Onishi , Ryosuke Ota

The amount of data produced by highly granular silicon tracking detectors in high energy physics experiments poses a major challenge to readout systems. At high collision rates, e.g. at LHC experiments, only a small fraction of data can be…

Instrumentation and Detectors · Physics 2016-06-29 Sebastian Dittmeier , André Schöning , Hans Kristian Soltveit , Dirk Wiedner

Edge-TCT and charge collection measurements with passive test structures made in LFoundry 150 nm CMOS process on p-type substrate with initial resistivity of over 3 k$\Omega$cm are presented. Measurements were made before and after…

Instrumentation and Detectors · Physics 2018-08-01 I. Mandić , V. Cindro , A. Gorišek , B. Hiti , G. Kramberger , M. Zavrtanik , M. Mikuž , T. Hemperek

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.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Sami-Matias Niemi , Mark Cropper , Magdalena Szafraniec , Thomas Kitching

Detecting the carrier scattering mechanisms in a materials system is important for transport related science and engineering. The approaches of fast laser process and electrical conductivity matching were used in previous literature, which…

Materials Science · Physics 2014-10-21 Shuang Tang , Mildred S. Dresselhaus

We present a strip transition-edge sensor microcalorimeter linear array detector developed for energy dispersive X-ray diffraction imaging and Compton scattering applications. The prototype detector is an array of 20 transition-edge-sensors…

Instrumentation and Detectors · Physics 2020-03-18 U. Patel , R. Divan , L. Gades , T. Guruswamy , D. Yan , O. Quaranta , A. Miceli

A 200 mm processing platform for the large-scale production of graphene field-effect transistor-quantum dot (GFET-QD) hybrid photodetectors is demonstrated. Comprehensive statistical analysis of electric data shows a high yield (96%) and…

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…

Ptychography enables coherent diffractive imaging (CDI) of extended samples by raster scanning across the illuminating XUV/X-ray beam thereby generalizing the unique advantages of CDI techniques. Table-top realizations of this method are…

Coherent X-ray photons with energies higher than 50 keV offer new possibilities for imaging nanoscale lattice distortions in bulk crystalline materials using Bragg peak phase retrieval methods. However, the compression of reciprocal space…

Signal Processing · Electrical Eng. & Systems 2018-08-14 Siddharth Maddali , Irene Calvo-Almazan , Jonathan Almer , Peter Kenesei , Jun-Sang Park , Ross Harder , Youssef Nashed , Stephan Hruszkewycz

We present an enhanced version of the publicly-available Stripe 82X catalog (S82-XL), featuring a comprehensive set of 22,737 unique X-ray point sources identified with a significance $\gtrsim 4\sigma$. This catalog is four times larger…

A Compton camera is the most promising approach for gamma-ray detection in the energy region from several hundred keV to MeV, especially for application in high energy astrophysics. In order to obtain good angular resolution, semiconductor…

A phase separation model is presented for the stripe phase of the cuprates, which allows the doping dependence of the photoemission spectra to be calculated. The idealized limit of a well-ordered array of magnetic and charged stripes is…

Superconductivity · Physics 2009-10-31 R. S. Markiewicz

Using a high energy electron beam for the imaging of high density matter with both high spatial-temporal and areal density resolution under extreme states of temperature and pressure is one of the critical challenges in high energy density…

‹ Prev 1 8 9 10 Next ›