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Scorpius is a new multi-pulse linear induction accelerator (LIA). It is presently planned for Scorpius to accelerate four 2-kA electron pulses to 20 MeV from an injected energy of 2 MeV. The goal of Scorpius is to deliver a multi-pulse…

Accelerator Physics · Physics 2017-11-01 Carl Ekdahl

In addition to the ponderomotive acceleration of highly relativistic electrons at interaction of very short and very intense laser pulses, a further acceleration is derived from the interaction of these electron beams with the spontaneous…

Plasma Physics · Physics 2007-05-23 Hong Liu , X. T. He , Heinrich Hora

Radiation Pressure Acceleration relies on high intensity laser pulse interacting with solid target to obtain high maximum energy, quasimonoenergetic ion beams. Either extremely high power laser pulses or tight focusing of laser radiation is…

We find the general requirements, set by classical electrodynamics, to the sources of extremely high-energy cosmic rays (EHECRs). It is shown that the parameters of EHECR accelerators are strongly limited not only by the particle…

Laser-plasma accelerators present a promising alternative to conventional accelerators. To fully exploit the extreme amplitudes of the plasma fields and produce high-quality beams, precise control over electron injection into the…

The paper reports the results of two-dimensional particle-in-cell simulations of proton beam acceleration at the interactions of a 130 fs laser pulse of intensity from the range of 10^21-10^23 W/cm^2, predicted for the Extreme Light…

Plasma Physics · Physics 2017-08-01 Jaroslaw Domanski , Jan Badziak , Slawomir Jablonski

Studying hyper-nuclei yields and their collectivity can shed light on their production mechanism as well as the hyperon-nucleon interactions. Heavy-ion collisions from the RHIC beam energy scan phase II (BES-II) provide an unique…

Nuclear Experiment · Physics 2024-12-03 Junyi Han

A scheme for fast, compact, and controllable acceleration of heavy particles in vacuum is proposed, in which two counterpropagating lasers with variable frequencies drive a beat-wave structure with variable phase velocity, thus allowing for…

Plasma Physics · Physics 2008-11-26 F. Peano , J. Vieira , L. O. Silva , R. Mulas , G. Coppa

A dielectric-loaded linac powered by THz-pulses is one of the key parts of the "Attosecond X-ray Science: Imaging and Spectroscopy" (AXSIS) project at DESY, Hamburg. As in conventional accelerators, the AXSIS linac is designed to have phase…

Accelerator Physics · Physics 2018-12-26 K. Galaydych , R. Assmann , U. Dorda , B. Marchetti , G. Vashchenko , I. Zagorodnov

We present STAR measurements of K^{0}_{S}, \phi, \Lambda, \Xi, and \Omega at mid-rapidity from Au+Au collisions at \sqrt{s_{NN}} = 7.7, 11.5, 19.6, 27, and 39 GeV from the Beam Energy Scan (BES) program at the BNL Relativistic Heavy Ion…

Nuclear Experiment · Physics 2015-06-16 Xiaoping Zhang

During low-energy operations below the regular injection energy in the Relativistic Heavy Ion Collider (RHIC), significant beam lifetime reductions due to the beam-beam interaction in conjunction with large space charge tune shifts have…

Accelerator Physics · Physics 2014-10-16 C. Montag , A. Fedotov

TeV/m acceleration gradients using crystals as originally envisioned by R. Hofstadter, an early pioneer of HEP, have remained unrealizable. Fundamental obstacles that have hampered efforts on particle acceleration using bulk-crystals arise…

Accelerator Physics · Physics 2020-06-19 A. Sahai , M. Golkowski , F. Zimmermann , J. Resta-Lopez , T. Tajima , V. Shiltsev

We have focused and decelerated benzonitrile (C$_7$H$_5$N) molecules from a molecular beam, using an array of time-varying inhomogeneous electric fields in alternating gradient configuration. Benzonitrile is prototypical for large…

Gamma-ray bursts (GRBs) are sources of energetic, highly variable fluxes of gamma rays, which demonstrates that they are powerful particle accelerators. Besides relativistic electrons, GRBs should also accelerate high-energy hadrons, some…

Astrophysics · Physics 2009-11-11 Charles D. Dermer , Armen Atoyan

(Abridged)Relativistic outflows carrying large scale magnetic fields have large inductive potential and may accelerate protons to ultra high energies. We discuss a novel scheme of Ultra-High Energy Cosmic Ray (UHECR) acceleration due to…

Astrophysics · Physics 2008-11-26 Maxim Lyutikov , Rachid Ouyed

Research activities on laser plasma accelerators are paved by many significant breakthroughs. This review article provides an opportunity to show the incredible evolution of this field of research which has, in record time, allowed…

Plasma Physics · Physics 2011-12-22 V. Malka

Using H2+ ions is expected to mitigate the two major impediments to accelerating very high currents in cyclotrons, due to lower space charge at injection, and stripping extraction. Planning for peak currents of 10 particle milliamps at 800…

Accelerator Physics · Physics 2019-08-14 Jose R. Alonso

Advanced and novel accelerators (ANAs), driven a by laser pulse or a relativistic particle bunch, have made remarkable progress over the last decades. They accelerated electrons by 10GeV in 30cm (laser driven) and by 42GeV in 85cm (particle…

A detailed study of direct laser-driven electron acceleration in paraxial Laguerre-Gaussian modes corresponding to helical beams $\text{LG}_{0m}$ with azimuthal modes $m=\left\{1,2,3,4,5\right\}$ is presented. Due to the difference between…

Plasma Physics · Physics 2025-07-16 Etele Molnár , Dan Stutman

Beam dynamics issues are assessed for a new linear induction electron accelerator being designed for flash radiography of large explosively driven hydrodynamic experiments. Special attention is paid to equilibrium beam transport, possible…

Accelerator Physics · Physics 2015-03-25 Carl Ekdahl