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A compact Liquid-Lithium Target (LiLiT) was built and tested with a high-power electron gun at Soreq Nuclear Research Center. The lithium target, to be bombarded by the high-intensity proton beam of the Soreq Applied Research Accelerator…

A new scheme for bright hard x-ray emission from laser wakefield electron accelerator is reported, where pure nitrogen gas is adopted. Intense Betatron x-ray beams are generated from ionization injected K-shell electrons of nitrogen into…

Particle acceleration using ultraintense, ultrashort laser pulses is one of the most attractive topics in relativistic laser-plasma research. We report proton/ion acceleration in the intensity range of 5x1019 W/cm2 to 3.3x1020 W/cm2 by…

The process of radiation of 120-GeV positrons moving in a channeling regime in (011) plane of a single crystal was considered. At the beginning on the basis of the theory of nonlinear oscillations the trajectory of moving positrons at…

Accelerator Physics · Physics 2011-02-21 V. A. Maisheev , Y. A. Chesnokov , P. N. Chirkov , I. A. Yazynin , D. Bolognini , S. Hasan , M. Prest , E. Vallazza

The production of a highly-polarized positron beam via nonlinear Breit-Wheeler processes during the interaction of an ultraintense circularly polarized laser pulse with a longitudinally spin-polarized ultrarelativistic electron beam is…

Plasma Physics · Physics 2020-07-29 Yan-Fei Li , Yue-Yue Chen , Wei-Min Wang , Hua-Si Hu

We study transverse and longitudinal electron heating effects on the target stability and the ion spectra in the radiation pressure dominated regime of ion acceleration by means of multi dimensional particle-in-cell (PIC) simulations.…

Plasma Physics · Physics 2015-05-19 Min Chen , Naveen Kumar , Alexander Pukhov

High energy e+e- linear colliders are the next large scale project in particle physics. They need intense sources to achieve the required luminosity. In particular, the positron source must provide about 10E+14 positrons per second. The…

Accelerator Physics · Physics 2014-12-11 S. Riemann , F. Staufenbiel , G. Moortgat-Pick , A. Ushakov

In this Letter, we report on the concept and analysis of a low-emittance electron storage ring, in which the electron beams undergo an early-stage self-amplified spontaneous emission lasing process on a turn-by-turn basis. The lasing…

Accelerator Physics · Physics 2023-09-06 Kaishang Zhou , Renkai Li , Zhenghe Bai

The production of transuranium isotopes has been demonstrated at the Isotope Separation and ACceleration (ISAC) facility. In particular a laser-ionized $^{239}$Pu beam, extracted from a uranium carbide target, was investigated. The…

Nuclear Experiment · Physics 2023-05-19 Peter Kunz , Corina Andreoiu , Fatima H. Garcia , Jens Lassen

We report on the construction and testing of a vacuum-gap Fabry-P\'erot etalon calibrator for high precision radial velocity spectrographs. Our etalon is traced against a rubidium frequency standard to provide a cost effective, yet…

Instrumentation and Methods for Astrophysics · Physics 2017-06-20 Julian Stürmer , Andreas Seifahrt , Christian Schwab , Jacob L. Bean

A windowless hydrogen gas target of nominal thickness $10^{19}$ cm$^{-2}$ is an essential component of the DarkLight experiment, which is designed to utilize the megawatt electron beam at an Energy Recovery Linac (ERL). The design of such a…

Plasma wakefield acceleration in the nonlinear blowout regime has been shown to provide high acceleration gradients and high energy transfer efficiency while maintaining great beam quality for electron acceleration. In contrast, research on…

Plasma Physics · Physics 2022-11-16 Shiyu Zhou , Weiming An , Siqin Ding , Jianfei Hua , Warren B. Mori , Chan Joshi , Wei Lu

We propose a plasma-based high-energy lepton accelerator, in which a weakly focusing plasma structure is formed near the beam axis. The structure preserves the emittance of the accelerated beam and produces low radiation losses. Moreover,…

We describe the construction and operation of a segmented linear Paul trap, fabricated in printed-circuit-board technology with an electrode segment width of 500 microns. We prove the applicability of this technology to reliable ion…

Quantum Physics · Physics 2007-11-20 G. Huber , T. Deuschle , W. Schnitzler , R. Reichle , K. Singer , F. Schmidt-Kaler

Rigid electron rotation of a fully penetrated Rotamak-FRC produces a pressure flux function that is more peaked than the Solov'ev flux function. This paper explores the implications of this peaked pressure flux function, including the…

Plasma Physics · Physics 2021-08-11 C. P. S. Swanson , S. A. Cohen

The International Linear Collider Technical Design Report (TDR) describes in four volumes the physics case and the design of a 500 GeV centre-of-mass energy linear electron-positron collider based on superconducting radio-frequency…

We report on an indirect and non-invasive method to simultaneously characterise the energy-dependent emittance and source size of ultra-relativistic positron beams generated during the propagation of a laser-wakefield accelerated electron…

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

A dc electron gun, generating picosecond pulses with up to $8\times10^{6}$ electrons per pulse, was developed. Its applicability for future time-resolved-diffraction experiments on state- and conformer-selected laser-aligned or oriented…

Chemical Physics · Physics 2016-02-25 Nele L. M. Müller , Sebastian Trippel , Karol Długołecki , Jochen Küpper

In NSC KIPT linac, a neutron source based on a subcritical assembly driven by a 100MeV/100kW electron linear accelerator is under design and development. The linear accelerator needs a new high current electron gun. In this paper, the…

Accelerator Physics · Physics 2015-06-17 Zusheng Zhou , Dayong He , Yunlong Chi