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When dense high-energy lepton bunches collide, the beam particles can experience rest-frame electromagnetic fields which greatly exceed the QED critical one. Here it is demonstrated that beamstrahlung efficiently converts lepton energy to…

High Energy Physics - Phenomenology · Physics 2021-11-18 Matteo Tamburini , Sebastian Meuren

In this paper, we model the plasma environment of Ganymede by means of a collisionless test particle simulation. By coupling the outputs from a DSMC simulation of Ganymede's exosphere (i.e. number density profiles of neutral species such as…

Earth and Planetary Astrophysics · Physics 2025-02-19 Arnaud Beth , Marina Galand , Ronan Modolo , Xianzhe Jia , François Leblanc , Hans Huybrighs

The current activity of the SPARC_LAB test-facility is focused on the realization of plasma-based acceleration experiments with the aim to provide accelerating field of the order of several GV/m while maintaining the overall quality (in…

Structured light pulses hold significant promise for their ability to overcome dephasing in laser-wakefield accelerators, that should facilitate applications in high-energy physics and XFEL. Numerical studies have shown that sculpting a…

Accelerator Physics · Physics 2026-04-08 Aaron Liberman , Anton Golovanov , Slava Smartsev , Anda-Maria Talposi , Sheroy Tata , Victor Malka

We have developed and implemented a new quantum molecular dynamics approximation that allows fast and accurate simulations of dense plasmas from cold to hot conditions. The method is based on a carefully designed orbital-free implementation…

Plasma Physics · Physics 2015-06-22 Travis Sjostrom , Jerome Daligault

Heat flux suppression in collisionless plasmas for a large range of plasma $\beta$ is explored using two-dimensional particle-in-cell simulations with a strong, sustained thermal gradient. We find that a transition takes place between…

High Energy Astrophysical Phenomena · Physics 2018-11-14 G. T. Roberg-Clark , J. F. Drake , M. Swisdak , C. S. Reynolds

The Beam Dump Facility (BDF) is a project for a new facility at CERN dedicated to high intensity beam dump and fixed target experiments. Currently in its design phase, the first aim of the facility is to search for Light Dark Matter and…

The low-energy enhancement observed in the deexcitation $\gamma$-ray strength functions, attributed to magnetic dipole (M1) radiations, has spurred theoretical efforts to improve on its description. Among the most widely used approaches are…

Communication blackout due to the plasma layer creates a critical telemetry gap for re-entry vehicles. To mitigate this, we present the first fully-coupled simulation of high-voltage pulsed discharges interacting with a Mach 24 flowfield…

Plasma Physics · Physics 2026-03-12 Felipe Martin Rodriguez Fuentes , Bernard Parent

Weakly collisional and collisionless plasmas are typically far from local thermodynamic equilibrium (LTE), and understanding energy conversion in such systems is a forefront research problem. The standard approach is to investigate changes…

Plasma Physics · Physics 2023-06-05 Paul A. Cassak , M. Hasan Barbhuiya , Haoming Liang , Matthew R. Argall

We comment on Marvel Fusion's proposal to use ultra-short, intensive laser pulses impinging on nanostructured targets for the production of hot ions, with the ultimate aim of energy production through the p-11B fusion reaction. We show how…

Plasma Physics · Physics 2023-02-06 Karl Lackner , Sina Fietz , Alexander v. Müller

Bremsstrahlung x-rays generated in laser-solid interactions can be used as light sources for high-energy-density science. We present electron and x-ray spectra from particle-in-cell and Monte Carlo simulations, varying laser pulse intensity…

Plasma Physics · Physics 2022-02-11 Kyle G. Miller , Dean R. Rusby , Andreas J. Kemp , Scott C. Wilks , Warren B. Mori

In this paper, we extend the study of bremsstrahlung photon production in a quark-gluon plasma to the cases of soft static photons and hard real photons. The general framework of this study is the effective perturbative expansion based on…

High Energy Physics - Phenomenology · Physics 2009-10-31 P. Aurenche , F. Gelis , R. Kobes , H. Zaraket

Beam loading is the phenomenon which limits the charge and the beam quality in plasma based accelerators. An experimental study conducted with a laser-plasma accelerator is presented. Beam loading manifests itself through the decrease of…

Plasma Physics · Physics 2010-05-25 C. Rechatin , X. Davoine , A. Lifschitz , A. Ben Ismail , J. Lim , E. Lefebvre , J. Faure , V. Malka

We demonstrate a compact ion beam device capable of accelerating H$^+$ and D$^+$ ions up to 75keV energy, on to a solid target, with sufficient beam current to study fusion reactions. The ion beam system uses a microwave driven plasma…

Plasma processing using a mixture of noble gas and oxygen is a technique that is currently being used to reduce field emission and multipacting in accelerating cavities. Plasma is created inside the cavity when the gas mixture is exposed to…

Plasma Physics · Physics 2023-06-21 N. K. Raut , T. Ganey , P. Dhakal , T. Powers

Many data-driven modules in smart grid rely on access to high-quality power flow data; however, real-world data are often limited due to privacy and operational constraints. This paper presents a physics-informed generative framework based…

Machine Learning · Computer Science 2025-04-25 Junfei Wang , Darshana Upadhyay , Marzia Zaman , Pirathayini Srikantha

Laser-plasma accelerators outperform current radiofrequency technology in acceleration strength by orders of magnitude. Yet, enabling them to deliver competitive beam quality for demanding applications, particularly in terms of energy…

The intensity of single gluon bremsstrahlung in a QCD plasma is evaluated with a Monte Carlo which solves the transport equation for a generic interaction with the medium. In particular the calculation is performed for a Debye screened…

High Energy Physics - Phenomenology · Physics 2018-11-06 Xabier Feal , Ricardo Vazquez

The space charge limited emission of ions from a target in the focus of an intense relativistic electron beam is studied analytically for the case of a spatially varying target density profile. In particular, the emission in the presence of…

Accelerator Physics · Physics 2007-05-23 George J. Caporaso
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