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A front-end readout electronics system has been developed for silicon strip detectors. The system uses an application specific integrated circuit (ASIC) ATHED to realize multi-channel E&T measurement. The slow control of ASIC chips is…

Instrumentation and Detectors · Physics 2011-06-13 Yi Qian , Hong Su , Jie Kong , Cheng-Fu Dong , Xiao-Li Ma , Xiao-Gang Li

Radially self-accelerating light exhibits an intensity pattern that describes a spiraling trajectory around the optical axis as the beam propagates. In this article, we show in simulation and experiment how such beams can be used to perform…

Optics · Physics 2021-04-08 Shashi Prabhakar , Stephen Plachta , Marco Ornigotti , Robert Fickler

A fast readout system for the upgrade of the COMPASS RICH detector has been developed and successfully used for data taking in 2006 and 2007. The new readout system for the multi-anode PMTs in the central part of the photon detector of the…

Instrumentation and Detectors · Physics 2019-08-14 C. Schill

We present the recent development of a lightweight detector capable of accurate spatial, timing, and amplitude resolution of charged particles. The technology is based on double-sided double-metal p+\,--\,n\,--\,n+ micro-strip silicon…

The objective of this paper is to draw attention to a possible new approach for measuring the spin excitation spectrum of a spin array by placing it in intimate contact with the channel of a spin-valve device in an anti-parallel (AP)…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sayeef Salahuddin , Supriyo Datta

Time Projection Chambers (TPCs) with charge readout via micro pattern gaseous detectors can provide detailed measurements of charge density distributions. We here report on measurements of alpha particle tracks, using a TPC where the drift…

Instrumentation and Detectors · Physics 2015-12-09 P. M. Lewis , S. E. Vahsen , M. T. Hedges , I. Jaegle , I. S. Seong , T. N. Thorpe

The skipper CCD is a special type of charge coupled device in which the readout noise can be reduced to sub-electron levels by averaging independent measurements of the same charge. Thus the charge in the pixels can be determined by…

We report recent results on the use of charge division to obtain a longitudinal coordinate from silicon strip detectors, and on sources of electronic readout noise for long, thin strips. These results hold promise for the design of Linear…

Instrumentation and Detectors · Physics 2010-05-18 Jerome Carman , Kelsey Collier , Sean Crosby , Vitaliy Fadeyev , Bruce A. Schumm , Ned Spencer

A computational model for the simulation of a double band collector-generator experiment is applied to the situation where two electrochemical reactions occur concurrently. It is shown that chronoamperometric measurements can be used to…

Chemical Physics · Physics 2013-10-28 Edward O. Barnes , Grace E. M. Lewis , Sara E. C. Dale , Frank Marken , Richard G. Compton

We report the application of the resistive anode readout method on a two dimensional imaging GEM detector. The resistive anode consists of $6\times6$ cells with the cell size $6~\mathrm{mm}\times6~\mathrm{mm}$. New electronics and DAQ…

Instrumentation and Detectors · Physics 2016-09-06 Xu-Dong Ju , Ming-Yi Dong , Chuan-Xing Zhou , Jing Dong , Yu-Bin Zhao , Hong-Yu Zhang , Hui-Rong Qi , Qun Ou-Yang

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

A spectroscopic technique employing an iodine absorption cell (I_2) to superimpose a reference spectrum onto a stellar spectrum is currently the most widely adopted approach to obtain precision radial velocities of solar-type stars. It has…

Astrophysics · Physics 2009-11-10 Maciej Konacki

We describe the design, construction, readout, tests, and performance of planar drift chambers, based on 5 mm diameter copperized Mylar and Kapton straws, used in an experimental search for rare kaon decays. The experiment took place in the…

Dynamic time warping (DTW) is an effective dissimilarity measure in many time series applications. Despite its popularity, it is prone to noises and outliers, which leads to singularity problem and bias in the measurement. The time…

Machine Learning · Computer Science 2022-08-04 Xiaomin Song , Qingsong Wen , Yan Li , Liang Sun

Accelerator magnets steer particle beams according to the field integrated along the trajectory over the magnet length. Purpose-wound coils measure these relevant parameters with high precision and complement efficiently point-like…

Accelerator Physics · Physics 2011-04-20 L. Walckiers

Rather than using an adaptive optics (AO) system to correct a telescope s entire pupil, it can instead be used to more finely correct a smaller sub-aperture. Indeed, existing AO systems can be used to correct a sub-aperture 1/3 to 1/2 the…

Astrophysics · Physics 2009-11-13 E. Serabyn , K. Wallace , M. Troy , B. Mennesson , P. Haguenauer , R. Gappinger , R. Burruss

We report on studies of fast triggering and high-precision tracking using Resistive Plate Chambers (RPCs). Two beam tests were carried out with the 180 GeV muon beam at CERN using RPCs with gas gaps of 1.00 or 1.15 mm and equipped with…

We study the dependence of the exposure required to directly detect a WIMP directional recoil signal on the capabilities of a directional detector. Specifically we consider variations in the nuclear recoil energy threshold, the background…

Astrophysics · Physics 2008-11-26 Anne M. Green , Ben Morgan

Using 2.0 cm x 2.0 cm x 0.5 cm Cadmium Telluride (CdTe) substrates from the company Acrorad, we have fabricated detectors with planar cathode contacts and 8x8 anode pixels. We investigate the I-V characteristics and energy resolution of the…

Astrophysics · Physics 2007-05-23 A. B. Garson , I. V. Jung , J. Perkins , H. Krawczynski

An optimized design of a neutron detector based on timing RPCs (Resistive Plate Chambers) with boron-10 neutron converters is presented. The detector is composed of a stack of ten double gap RPCs with aluminium cathode plates coated on both…

Instrumentation and Detectors · Physics 2023-05-03 L. M. S. Margato , G. Canezin , A. Morozov , A. Blanco , J. Saraiva , L. Lopes , P. Fonte