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We study the mixing and the kinetic equilibration of projectile and target nucleons in relativistic heavy-ion collisions in the energy regime between 150~AMeV and 2~AGeV in a coupled-channel BUU (CBUU) approach. We find that equilibrium in…

Nuclear Theory · Physics 2009-10-31 A. Hombach , W. Cassing , U. Mosel

We model the efficiency of loading atoms of various species into a one dimensional optical lattice from a cold ensemble taking into account the initial cloud temperature and size, the lattice laser properties affecting the trapping…

Atomic Physics · Physics 2020-12-03 Raymon S. Watson , John J. McFerran

The interaction of ultrashort, high intensity laser pulses with thin foil targets leads to ion acceleration on the target rear surface. To make this ion source useful for applications, it is important to optimize the transfer of energy from…

Plasma Physics · Physics 2017-04-05 M. Blanco , M. T. Flores-Arias , C. Ruiz , M. Vranic

Experimental results, supported by precise modelling, demonstrate optimisation of a plasma-based injector with intermediate laser pulse energy ($<1$ J), corresponding to a normalised vector potential $a_0 = 2.15$, using ionisation injection…

The aim of this study is to give insights into the trajectory optimization w.r.t. energy consumption and recuperation for stacker cranes in a high-bay warehouse. Based on an analytical necessary optimality condition, a targeted numerical…

Optimization and Control · Mathematics 2026-02-05 R. Zöllner , F. Schuricht , T. Schmidt , W. Hofmann

We report on the stable and continuous operation of a kilohertz laser-plasma accelerator. Electron bunches with 2.6 pC charge and 2.5 MeV peak energy were generated via injection and trapping in a downward plasma density ramp. This density…

Dielectric laser-driven accelerators (DLAs) can provide high accelerating gradients in the GV/m range due to their having higher breakdown thresholds than metals, which opens the way for the miniaturization of the next generation of…

We propose the novel combination of a laser guide and magnetic lens to transport a cold atomic cloud. We have modelled the loading and guiding of a launched cloud of cold atoms with the optical dipole force. We discuss the optimum strategy…

The normal conducting Annular Coupled Structure (ACS) is applied for 190-400 MeV part of high intensity proton linac for the J-PARC. The ACS operating frequency is 972 MHz. The J-PARC ACS is strongly based on the results of previous…

Accelerator Physics · Physics 2013-06-27 Valentin Paramonov

Implementing embedded neural network processing at the edge requires efficient hardware acceleration that couples high computational performance with low power consumption. Driven by the rapid evolution of network architectures and their…

Hardware Architecture · Computer Science 2021-06-25 Petar Jokic , Erfan Azarkhish , Andrea Bonetti , Marc Pons , Stephane Emery , Luca Benini

A description is provided of the software algorithms developed for the CMS tracker both for reconstructing charged-particle trajectories in proton-proton interactions and for using the resulting tracks to estimate the positions of the LHC…

Instrumentation and Detectors · Physics 2014-10-29 CMS Collaboration

Our research aims to unify existing works' diverging opinions on how architectural components affect the adversarial robustness of CNNs. To accomplish our goal, we synthesize a suite of three generalizable robust architectural design…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 ShengYun Peng , Weilin Xu , Cory Cornelius , Matthew Hull , Kevin Li , Rahul Duggal , Mansi Phute , Jason Martin , Duen Horng Chau

Angular correlations of two and more particles are a sensitive probe of the initial state and the transport properties of the system produced in heavy-ion collisions. Two recent results of the ALICE collaboration are presented. Event-shape…

Nuclear Experiment · Physics 2019-08-13 Jan Fiete Grosse-Oetringhaus

This paper presents a novel robotic arm system, named PAPRAS (Plug-And-Play Robotic Arm System). PAPRAS consists of a portable robotic arm(s), docking mount(s), and software architecture including a control system. By analyzing the target…

Robotics · Computer Science 2024-10-28 Joohyung Kim , Dhruv C Mathur , Kazuki Shin , Sean Taylor

Preliminary experiments have been performed to investigate the effects of radiative cooling on plasma jets. Thin (3 um - 5 um) conical shells were irradiated with an intense laser, driving jets with velocities > 100 km/s. Through use of…

Due to the muon tomography's capability of imaging high Z materials, some potential applications have been reported on inspecting smuggled nuclear materials in customs. A compact Cosmic Ray Muons (CRM) imaging prototype, Lanzhou University…

Per-channel launch power optimisation in a hybrid-amplified link with optimised pump powers and wavelengths is described. Compared to using the optimum spectrally uniform launch power, an average SNR gain of 0.13 dB is obtained against 0.56…

Signal Processing · Electrical Eng. & Systems 2024-05-29 Henrique Buglia , Eric Sillekens , Lidia Galdino , Robert I. Killey , Polina Bayvel

Current robotic manipulation requires reliable methods to predict whether a certain grasp on an object will be successful or not prior to its execution. Different methods and metrics have been developed for this purpose but there is still…

Robotics · Computer Science 2018-09-11 Carlos Rubert , Daniel Kappler , Jeannette Bohg , Antonio Morales

A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the physics objects needed to understand proton-proton collisions at the LHC. The CMS detector has…

High Energy Physics - Experiment · Physics 2023-12-14 Walaa Elmetenawee

Soft robot arms have made significant progress towards completing human-scale tasks, but designing arms for tasks with specific load and workspace requirements remains difficult. A key challenge is the lack of model-based design tools,…

Robotics · Computer Science 2025-12-05 Bill Fan , Jacob Roulier , Gina Olson