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The speed and fidelity of detector simulations in particle physics pose compelling questions about LHC analysis and future colliders. The sparse high-dimensional data, combined with the required precision, provide a challenging task for…

高能物理 - 唯象学 · 物理学 2026-01-27 Luigi Favaro , Andrea Giammanco , Claudius Krause

In this work we present a novel system for generation of virtual PET images using CT scans. We combine a fully convolutional network (FCN) with a conditional generative adversarial network (GAN) to generate simulated PET data from given…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Avi Ben-Cohen , Eyal Klang , Stephen P. Raskin , Shelly Soffer , Simona Ben-Haim , Eli Konen , Michal Marianne Amitai , Hayit Greenspan

The CAEN V1751 is a new generation of Waveform Digitizer recently introduced by CAEN SpA. It features 8 Channels per board, 10 bit, 1 GS/s using Flash ADCs Waveform Digitizers (or 4 channels at 2 GS/s in Dual Edge Sampling mode) with…

天体物理仪器与方法 · 物理学 2012-07-03 R. Acciarri , N. Canci , F. Cavanna , A. Cortopassi , M. D'Incecco , G. Mini , F. Pietropaolo , A. Romboli , E. Segreto , A. M. Szelc

We revisit the existing excellent Transformers from the perspective of practical application. Most of them are not even as efficient as the basic ResNets series and deviate from the realistic deployment scenario. It may be due to the…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Xin Xia , Jiashi Li , Jie Wu , Xing Wang , Xuefeng Xiao , Min Zheng , Rui Wang

MiniCACTUS-v2 is a monolithic sensor prototype designed in LF 150 nm CMOS process for time tagging of individual Minimum Ionizing Particles with an accuracy better than 100 ps. The sensing element is a deep n-well/p-substrate diode without…

At the CMS experiment, a growing reliance on the fast Monte Carlo application (FastSim) will accompany the high luminosity and detector granularity expected in Phase 2. The FastSim chain is roughly 10 times faster than the application based…

仪器与探测器 · 物理学 2025-01-15 Samuel Bein , Patrick Connor , Kevin Pedro , Peter Schleper , Moritz Wolf

Purpose: The physical properties of yttrium-90 (90Y) allow for imaging with positron emission tomography/computed tomography (PET/CT). The increased sensitivity of long axial field-of-view (LAFOV) PET/CT scanners possibly allows to overcome…

The ClearMind project aims to develop the TOF-PET position sensitive detection module optimized for the time resolution, spatial resolution, and detection efficiency. For this, the ClearMind project uses a large (59 $\times$ 59 mm$^2$)…

In positron emission tomography (PET), time-of-flight (TOF) information localizes source positions along lines of response. Cherenkov-radiator-integrated microchannel-plate photomultiplier tubes have achieved 30 ps TOF resolution,…

A Geant4 based simulation tool has been developed to perform Monte Carlo modelling of a 6 MV VarianTM iX clinac. The computer aided design interface of Geant4 was used to accurately model the LINAC components, including the Millenium…

We test the feasibility of calculating proton stopping power (SP) from a set of virtual monochromatic (VM) CT images, created with Monte Carlo-generated CT scans, using a dual-energy CT-to-SP procedure. The Monte Carlo CT simulations, with…

医学物理 · 物理学 2022-06-23 Adam Zieser , Ugur Akgun , Yasar Onel

Surgery is the only viable treatment for cataract patients with visual acuity (VA) impairment. Clinically, to assess the necessity of cataract surgery, accurately predicting postoperative VA before surgery by analyzing multi-view optical…

图像与视频处理 · 电气工程与系统科学 2022-12-13 Jinhong Wang , Jingwen Wang , Tingting Chen , Wenhao Zheng , Zhe Xu , Xingdi Wu , Wen Xu , Haochao Ying , Danny Chen , Jian Wu

A new CLIC Test Facility (CTF3) at CERN will serve to study the drive beam generation for the Compact Linear Collider (CLIC). CTF3 has to accelerate a 3.5 A electron beam in almost fully-loaded structures. The pulse contains more than 2000…

加速器物理 · 物理学 2010-11-15 D. Schulte

This work describes first commissioning results from the Cornell Brookhaven Energy Recovery Test Accelerator Fractional Arc Test. These include the recommissioning of the Cornell photo-injector, the first full energy operation of the main…

We construct an invariant basis for Compton scattering with two virtual photons (VVCS). The basis tensors are chosen to be gauge invariant and orthogonal to each other. The properties of the corresponding 18 invariant amplitudes are studied…

高能物理 - 唯象学 · 物理学 2008-11-26 Mikhail Gorchtein

When considering post-training quantization, prior work has typically focused on developing a mixed precision scheme or learning the best way to partition a network for quantization. In our work, CPT-V, we look at a general way to improve…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Natalia Frumkin , Dibakar Gope , Diana Marculescu

Device simulation plays a crucial role in complementing experimental device characterisation by enabling deeper understanding of internal physical processes. However, for simulations to be trusted, experimental validation is essential to…

仪器与探测器 · 物理学 2024-12-13 Sebastian Pape , Michael Moll , Marcos Fernández García , Moritz Wiehe

Early identification of head and neck cancer (HNC) patients who would experience significant anatomical change during radiotherapy (RT) is important to optimize patient clinical benefit and treatment resources. This study aims to assess the…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Meixu Chen , Kai Wang , Michael Dohopolski , Howard Morgan , David Sher , Jing Wang

Forthcoming astronomical imaging surveys will use weak gravitational lensing shear as a primary probe to study dark energy, with accuracy requirements at the 0.1% level. We present an implementation of the Metadetection shear measurement…

Purpose: In this study, procedures were developed to achieve efficient reversible conversion of a clinical linear accelerator (LINAC) and deliver electron FLASH (eFLASH) or conventional beams to the treatment room isocenter. Material &…

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