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LLM pre-training efficacy increasingly depends on data composition rather than sheer volume. Yet, optimal mixing is hindered by categorization flaws: human taxonomies suffer from ontological misalignment, and Euclidean clustering fails to…

Machine Learning · Computer Science 2026-05-27 Yue Min , Ziyun Qiao , Ruining Chen , Yujun Li

In the scanning transmission electron microscope, both phase imaging of beam-sensitive materials and characterisation of a material's functional properties using in-situ experiments are becoming more widely available. As the practicable…

Materials Science · Physics 2024-09-20 Julie Marie Bekkevold , Jonathan J. P. Peters , Ryo Ishikawa , Naoya Shibata , Lewys Jones

This paper presents the performance of the ATLAS muon reconstruction during the LHC run with $pp$ collisions at $\sqrt{s}=7-8$ TeV in 2011-2012, focusing mainly on data collected in 2012. Measurements of the reconstruction efficiency and of…

High Energy Physics - Experiment · Physics 2014-12-09 ATLAS Collaboration

We present a survey of the cosmological applications of the next generation of weak lensing surveys, paying special attention to the computational challenges presented by the number of galaxies, $N_{gal} ~$ 10$^{5}$. We focus on optimal…

Astrophysics · Physics 2009-11-07 N. Padmanabhan , U. Seljak , U. L. Pen

ALICE, one of the experiments at the Large Hadron Collider (CERN), is undergoing ambitious upgrades during the ongoing second long shutdown (LS2). The main goal of this project is to access rare events and previously inaccessible physics…

Instrumentation and Detectors · Physics 2020-04-23 Adam Laszlo Gera

We report the performance of a 10 atm Xenon/trimethylamine time projection chamber (TPC) for the detection of X-rays (30 keV) and gamma-rays (0.511-1.275 MeV) in conjunction with the accurate tracking of the associated electrons. When…

Reconstructing the trajectories of charged particles from the collection of hits they leave in the detectors of collider experiments like those at the Large Hadron Collider (LHC) is a challenging combinatorics problem and computationally…

High Energy Physics - Experiment · Physics 2024-03-15 Philippa Duckett , Gabriel Facini , Marcin Jastrzebski , Sarah Malik , Sebastien Rettie , Tim Scanlon

We present analytical calculations, Finite Element Analysis modeling, and physical measurements of the interstrip capacitances for different potential strip geometries and dimensions of the readout boards for the GE2/1 triple-Gas Electron…

Instrumentation and Detectors · Physics 2022-03-09 M. Abbas , M. Abbrescia , H. Abdalla , A. Abdelalim , S. AbuZeid , A. Agapitos , A. Ahmad , A. Ahmed , W. Ahmed , C. Aimè , C. Aruta , I. Asghar , P. Aspell , C. Avila , J. Babbar , Y. Ban , R. Band , S. Bansal , L. Benussi , V. Bhatnagar , M. Bianco , S. Bianco , K. Black , L. Borgonovi , O. Bouhali , A. Braghieri , S. Braibant , S. Butalla , S. Calzaferri , M. Caponero , F. Cassese , N. Cavallo , S. Chauhan , A. Colaleo , J. Collins , A. Conde Garcia , M. Dalchenko , A. De Iorio , G. De Lentdecker , D. Dell Olio , G. De Robertis , W. Dharmaratna , S. Dildick , B. Dorney , R. Erbacher , F. Fabozzi , F. Fallavollita , A. Ferraro , D. Fiorina , E. Fontanesi , M. Franco , C. Galloni , P. Giacomelli , S. Gigli , J. Gilmore , M. Gola , M. Gruchala , A. Gutierrez , R. Hadjiiska , T. Hakkarainen , J. Hauser , K. Hoepfner , M. Hohlmann , H. Hoorani , T. Huang , P. Iaydjiev , A. Irshad , A. Iorio , F. Ivone , J. Jaramillo , D. Jeong , V. Jha , A. Juodagalvis , E. Juska , B. Kailasapathy , T. Kamon , P. Karchin , A. Kaur , H. Kaur , H. Keller , H. Kim , J. Kim , A. Kumar , S. Kumar , H. Kumawat , N. Lacalamita , J. S. H. Lee , A. Levin , Q. Li , F. Licciulli , L. Lista , K. Liyanage , F. Loddo , M. Lohan , M. Luhach , M. Maggi , Y. Maghrbi , N. Majumdar , K. Malagalage , S. Malhotra , S. Martiradonna , N. Mccoll , C. McLean , J. Merlin , M. Misheva , D. Mishra , G. Mocellin , L. Moureaux , A. Muhammad , S. Muhammad , S. Mukhopadhyay , M. Naimuddin , P. Netrakanti , S. Nuzzo , R. Oliveira , L. Pant , P. Paolucci , I. C. Park , L. Passamonti , G. Passeggio , A. Peck , N. Perera , L. Petre , H. Petrow , D. Piccolo , D. Pierluigi , G. Raffone , M. Rahmani , F. Ramirez , A. Ranieri , G. Rashevski , M. Ressegotti , C. Riccardi , M. Rodozov , E. Romano , C. Roskas , B. Rossi , P. Rout , D. Roy , J. D. Ruiz , A. Russo , A. Safonov , D. Saltzberg , G. Saviano , A. Shah , A. Sharma , R. Sharma , M. Shopova , F. Simone , J. Singh , E. Soldani , U. Sonnadara , E. Starling , B. Stone , J. Sturdy , G. Sultanov , Z. Szillasi , D. Teague , D. Teyssier , T. Tuuva , M. Tytgat , I. Vai N. Vanegas , R. Venditti , P. Verwilligen , W. Vetens , A. Virdi , P. Vitulo , A. Wajid , D. Wang , K. Wang , I. J. Watson , J. Weatherwax , N. Wickramage , D. D. C. Wickramarathna , Y. Yang , U. Yang , J. Yongho , I. Yoon , Z. You , I. Yu , S. Zaleski

This work is proposing and exploring the use of multichannel readout electronics, already used in quality assurance for gain uniformity studies, to measure the uniformity of the induction gap in GEM based detectors. The measurement will…

Instrumentation and Detectors · Physics 2021-10-27 Mohit Gola

We tackle the challenge of estimating grouping structures and factor loadings in asset pricing models, where traditional regressions struggle due to sparse data and high noise. Existing approaches, such as those using fused penalties and…

Methodology · Statistics 2025-12-30 Liyuan Cui , Guanhao Feng , Yuefeng Han , Jiayan Li

We report on the development of a novel pixel charge readout system, Grid Activated Multi-scale pixel readout (GAMPix), which is under development for use in the GammaTPC gamma ray instrument concept. GammaTPC is being developed to optimize…

The concept of a hybrid readout of a time projection chamber is presented. It combines a GEM-based amplification and a pad-based anode plane with a pixel chip as readout electronics. This way, a high granularity enabling to identify…

Instrumentation and Detectors · Physics 2018-01-23 Ulrich Einhaus , Jochen Kaminksi , Michele Caselle

Neural Radiance Fields (NeRF) enables 3D scene reconstruction from several 2D images but incurs high rendering latency via its point-sampling design. 3D Gaussian Splatting (3DGS) improves on NeRF with explicit scene representation and an…

Hardware Architecture · Computer Science 2026-04-07 Haomin Li , Bowen Zhu , Fangxin Liu , Zongwu Wang , Xinran Liang , Li Jiang , Haibing Guan

In triple-GEM detectors, the segmentation of GEM foils in electrically independent sectors allows reducing the probability of discharge damage to the detector and improving the detector rate capability; however, a segmented foil presents…

A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the reconstruction of…

Instrumentation and Detectors · Physics 2015-08-24 CMS Collaboration

In this paper, we compare three methods to reconstruct galaxy cluster density fields with weak lensing data. The first method called FLens integrates an inpainting concept to invert the shear field with possible gaps, and a multi-scale…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Eric Jullo , Sandrine Pires , Mathilde Jauzac , Jean-Paul Kneib

We present a detailed study of the spatial resolution of our time-resolved neutron imaging detector utilizing a new neutron position reconstruction method that improves both spatial resolution and event reconstruction efficiency. Our…

Three-dimensional electron tomography is used to understand the structure and properties of samples in chemistry, materials science, geoscience, and biology. With the recent development of high-resolution detectors and algorithms that can…

Computational Physics · Physics 2021-10-18 David Ren , Michael Whittaker , Colin Ophus , Laura Waller

With the development of the circular collider, it is necessary to make accurate physics experimental measurements of particle properties at higher luminosity $Z$ pole. Micro-pattern gaseous detectors (MPGDs), which contain Gaseous Electron…

Instrumentation and Detectors · Physics 2021-09-22 Zhiyang Yuan , Huirong Qi , Yue Chang , Ye Wu , Hongyu Zhang , Jian Zhang , Yuanbo Chen , Yiming Cai , Yulan Li , Zhi Deng , Hui Gong

Lorentz Transmission Electron Microscopy (TEM) observations of magnetic nanoparticles contain information on the magnetic and electrostatic potentials. Vector Field Electron Tomography (VFET) can be used to reconstruct electromagnetic…

Computation · Statistics 2017-04-28 Prabhat KC , K. Aditya Mohan , Charudatta Phatak , Charles Bouman , Marc De Graef