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We present a comprehensive analysis of electronic recoil vs. nuclear recoil discrimination in liquid/gas xenon time projection chambers, using calibration data from the 2013 and 2014-16 runs of the Large Underground Xenon (LUX) experiment.…

The ATLAS experiment will undergo a major upgrade of the tracker system in view of the high luminosity phase of the LHC (HL-LHC) foreseen to start around 2025. Thin planar pixel modules are promising candidates to instrument the new pixel…

仪器与探测器 · 物理学 2017-03-08 N. Savic , L. Bergbreiter , J. Breuer , A. La Rosa , A. Macchiolo , R. Nisius , S. Terzo

Recent advancements in sensors have led to high resolution and high data throughput at the pixel level. Simultaneously, the adoption of increasingly large (deep) neural networks (NNs) has lead to significant progress in computer vision.…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Saurabh Farkya , Zachary Alan Daniels , Aswin Raghavan , Gooitzen van der Wal , Michael Isnardi , Michael Piacentino , David Zhang

When Charge Coupled Devices are used for scientific observations, their dark signal is a hindrance. In their pristine state, most CCD pixels are `cool'; they exhibit low, quasi uniform dark current, which can be estimated and corrected for.…

天体物理仪器与方法 · 物理学 2015-06-15 J. -F. Hochedez , C. Timmermans , A. Hauchecorne , M. Meftah

Inference of standard convolutional neural networks (CNNs) on FPGAs often incurs high latency and a long initiation interval due to the deep nested loops required to densely convolve every input pixel regardless of its feature value.…

硬件体系结构 · 计算机科学 2025-12-16 Ho Fung Tsoi , Dylan Rankin , Vladimir Loncar , Philip Harris

Following the Phase-II upgrade during Long Shutdown (LS3), the LHC aims to reach a peak instantaneous luminosity of $7.5\times 10^{34}$cm$^{-2}$s$^{-1}$, which corresponds to an average of around 200 inelastic proton-proton collisions per…

Top-down saliency models produce a probability map that peaks at target locations specified by a task/goal such as object detection. They are usually trained in a fully supervised setting involving pixel-level annotations of objects. We…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Hisham Cholakkal , Jubin Johnson , Deepu Rajan

Traditional fluorescence staining is phototoxic to live cells, slow, and expensive; thus, the subcellular structure prediction (SSP) from transmitted light (TL) images is emerging as a label-free, faster, low-cost alternative. However,…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Jintu Zheng , Yi Ding , Qizhe Liu , Yi Cao , Ying Hu , Zenan Wang

Weakly Supervised Semantic Segmentation (WSSS) using only image-level labels has gained significant attention due to its cost-effectiveness. The typical framework involves using image-level labels as training data to generate pixel-level…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Wangyu Wu , Tianhong Dai , Zhenhong Chen , Xiaowei Huang , Jimin Xiao , Fei Ma , Renrong Ouyang

Light scattering in disordered media has been studied extensively due to its prevalence in natural and artificial systems [1]. In the field of photonics most of the research has focused on understanding and mitigating the effects of…

光学 · 物理学 2017-03-30 Brandon Redding , Seng Fatt Liew , Raktim Sarma

We describe the time- and position-dependent point spread function (PSF) variation of the Wide Field Channel (WFC) of the Advanced Camera for Surveys (ACS) with the principal component analysis (PCA) technique. The time-dependent change is…

天体物理学 · 物理学 2009-11-13 M. J. Jee , J. P. Blakeslee , M. Sirianni , A. R. Martel , R. L. White , H. C. Ford

The basic principle of operation of silicon sensors with resistive read-out is built-in charge sharing. Resistive Silicon Detectors (RSD, also known as AC-LGAD), exploiting the signals seen on the electrodes surrounding the impact point,…

Spatially-coupled (SC) codes are a class of low-density parity-check (LDPC) codes that have excellent performance thanks to the degrees of freedom they offer. An SC code is designed by partitioning a base matrix into components, the number…

信息论 · 计算机科学 2026-05-11 Bade Aksoy , Doğukan Özbayrak , Ahmed Hareedy

Single-photon detectors (SPDs) play important roles in highly sensitive detection applications, such as fluorescence spectroscopy, remote sensing and ranging, deep space optical communications, elementary particle detection, and quantum…

The STAR Silicon Strip Detector (SSD) completes the three layers of the Silicon Vertex Tracker (SVT) to make an inner tracking system located inside the Time Projection Chamber (TPC). This additional fourth layer provides two dimensional…

The TESS spacecraft observed the asynchronous polar CD Ind at a two-minute cadence almost continuously for 28 days in 2018, covering parts of 5 consecutive cycles of the system's 7.3-day beat period. These observations provide the first…

太阳与恒星天体物理 · 物理学 2019-09-04 Colin Littlefield , Peter Garnavich , Koji Mukai , Paul A. Mason , Paula Szkody , Mark Kennedy , Gordon Myers , Robert Schwarz

Electronic structures of a charge-density-wave CDW system CeTe_2-xSb_x (x=0, 0.05) have been investigated by employing angle-resolved photoemission spectroscopy (ARPES). The observed Fermi surface (FS) agrees very well with the calculated…

Silicon drift detectors (SDDs) revolutionized spectroscopy in fields as diverse as geology and dentistry. For a subset of experiments at ultra-fast, x-ray free-electron lasers (FELs), SDDs can make substantial contributions. Often the…

DEPFET pixel detectors are unique devices in terms of energy and spatial resolution because very low noise (ENC = 2.2e at room temperature) operation can be obtained by implementing the amplifying transistor in the pixel cell itself. Full…