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Plans to upgrade the LHC after approximately 10 years of operation are currently being considered at CERN. A tenfold increase in luminosity delivered to the experiments is envisaged in the so-called Super LHC (SLHC). This will undoubtedly…

Instrumentation and Detectors · Physics 2010-10-11 Stefanos Dris , Luis Amaral , Karl Gill , Robert Grabit , Alberto Pacheco , Daniel Ricci , Jan Troska , Francois Vasey

Mainstream visual object tracking frameworks predominantly rely on template matching paradigms. Their performance heavily depends on the quality of template features, which becomes increasingly challenging to maintain in complex scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Meng Zhou , Jiadong Xie , Mingsheng Xu

The Advanced Photon Source is in the process of up-grading its storage ring from a double-bend to a multi-bend lattice as part of the APS Upgrade Project (APS-U). A swap-out injection scheme is planned for the APS-U to keep a constant beam…

Accelerator Physics · Physics 2018-03-14 M. Abliz , M. Jaski , A. Xiao , A. Jain , U. Wienands , H. Cease , M. Borland , G. Decker , J. Kerby

We present a systematic approach to optimise distributed acoustic sensing (DAS) fibre-optic cable layouts using global optimisation techniques. Our method represents cable geometries using splines, enabling efficient exploration of layouts…

Geophysics · Physics 2025-10-10 Dominik Strutz , Tjeerd Kiers , Andrew Curtis

Monolayer semiconducting transition metal dichalcogenides (S-TMDs) have been extensively studied as materials for next-generation optoelectronic devices due to their direct band gap and high exciton binding energy at room temperature. Under…

Materials Science · Physics 2024-09-26 Kurt H. Tyson , James R. Godfrey , James M. Fraser , Robert G. Knobel

The High-Luminosity LHC (HL-LHC) will usher in a new era in high-energy physics. The HL-LHC experimental conditions entail an instantaneous luminosity of up to $7.5 \times 10^{34}$ cm$^{-2}$ s$^{-1}$ and up to 200 simultaneous collisions…

High Energy Physics - Experiment · Physics 2022-11-17 Thiago R. F. P. Tomei

Grating magneto-optical traps are an enabling quantum technology for portable metrological devices with ultracold atoms. However, beam diffraction efficiency and angle are affected by wavelength, creating a single-optic design challenge for…

In era of NOvA operation, it is planned to slip-stack six on six Booster proton batches in the Recycler ring for a total intensity of 5 1013 protons/cycle. During the slip-stacking, the chromaticities are required to be jumped from (-2,-2)…

Accelerator Physics · Physics 2013-01-29 M. Xiao

Programmable optical devices provide performance enhancement and flexibility to spatial multiplexing systems enabling transmission of tributaries in high-order eigenmodes of spatially-diverse transmission media, like multimode fiber (MMF).…

Lattices with minimal normalized second moments are designed using a new numerical optimization algorithm. Starting from a random lower-triangular generator matrix and applying stochastic gradient descent, all elements are updated towards…

Information Theory · Computer Science 2025-07-24 Erik Agrell , Daniel Pook-Kolb , Bruce Allen

A high peak current, flat longitudinal phase space electron beam is desirable for efficient x-ray free electron laser (FEL) radiation in next generation light sources. To attain such a beam requires the extensive design of the linear…

Accelerator Physics · Physics 2019-10-23 Ji Qiang

Spatial light modulators are widely used to perform modulations of different properties of the electromagnetic field. In this work, a simple optimization method for general double-pass setups was developed. It takes into account the…

Optics · Physics 2022-02-09 Sebastián Bordakevich , Lorena Rebón , Silvia Ledesma

On December 15th the Swiss Light Source (SLS) produced a stored beam for the first time. This important milestone was achieved in a very tight time schedule. The fact that all major systems are controlled by Epics made this challenge…

Accelerator Physics · Physics 2007-05-23 J. Krempasky , R. Krempaska , D. Vermeulen , D. Maden , T. Korhonnen , W. Portmann , S. Hunt , R. Abela , M. Muntwiler

Efficiently solving multi-objective optimization problems for simulation optimization of important scientific and engineering applications such as materials design is becoming an increasingly important research topic. This is due largely to…

Artificial Intelligence · Computer Science 2023-06-27 Eric Hans Lee , Bolong Cheng , Michael McCourt

With the shrinking technology nodes, timing optimization becomes increasingly challenging. Approximate logic synthesis (ALS) can perform local approximate changes (LACs) on circuits to optimize timing with the cost of slight inaccuracy.…

Hardware Architecture · Computer Science 2024-11-19 Xiangfei Hu , Yuyang Ye , Tinghuan Chen , Hao Yan , Bei Yu

Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems are increasingly deployed in industry applications, yet their reliability remains hampered by challenges in detecting hallucinations. While supervised…

Computation and Language · Computer Science 2025-05-30 Julia Belikova , Konstantin Polev , Rauf Parchiev , Dmitry Simakov

In the high luminosity scenario of the LHC (HL-LHC), which will bring the instantaneous luminosity up to 7.5\,$\times$\,$10^{34}$\,cm$^{-2}$s$^{-1}$, ATLAS and CMS will need to operate at up to 200 interactions per 25\,ns beam crossing and…

Instrumentation and Detectors · Physics 2021-06-11 Alessandro La Rosa

Many modern and most future accelerators rely on precise configuration of lattice and trajectory. The Integrable Optics Test Accelerator (IOTA) at Fermilab that is coming to final stages of construction will be used to test advanced…

Accelerator Physics · Physics 2018-05-10 A. Romanov

The rapid proliferation of Large Language Models (LLMs) and diverse specialized benchmarks necessitates a shift from fragmented, task-specific metrics to a holistic, competitive ranking system that effectively aggregates performance across…

Machine Learning · Computer Science 2025-12-25 Jiashuo Liu , Jiayun Wu , Chunjie Wu , Jingkai Liu , Zaiyuan Wang , Huan Zhou , Wenhao Huang , Hongseok Namkoong

Extracting actionable information rapidly from data produced by instruments such as the Linac Coherent Light Source (LCLS-II) and Advanced Photon Source Upgrade (APS-U) is becoming ever more challenging due to high (up to TB/s) data rates.…

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