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The Electron Cyclotron Resonance Ion Plasma ACcelerator (ECRIPAC) is an original concept for a plasma-based particle accelerator able to generate pulsed ion beams with adjustable energy, targeting mostly medical applications. This paper…

加速器物理 · 物理学 2026-04-16 Andrea Cernuschi , Thomas Thuillier , Laurent Garrigues

The AXSIS project (Attosecond X-ray Science: Imaging and Spectroscopy) aims to develop a THz-driven compact X-ray source for applications e.g. in chemistry and biology by using ultrafast coherent diffraction imaging and spectroscopy. The…

Recently, neural networks have found many applications in different fields including Genetics, Pharmacy, Astrophysics and High Energy Physics [1-3]. In the field of accelerator physics it has been used for control systems [4]. In this paper…

加速器物理 · 物理学 2018-07-31 N. Joshi , O. Meusel , H. Podlech

Laser accelerated protons can be a complimentary source for treatment of oncological diseases to the existing hadron therapy facilities. We demonstrate how the protons, accelerated from near-critical density plasmas by laser pulses having…

We investigate the orientation dependence of Enhanced Ionization (EI) during strong-field-driven nuclear motion in acetylene (C$_2$H$_2$). Here, we both initiate and probe molecular dynamics in acetylene with intense 6-fs cross-polarized…

原子物理 · 物理学 2024-11-08 S. A. Mohideen , A. J. Howard , C. Cheng , I. Gabalski , A. M. Ghrist , E. Weckwerth , P. H. Bucksbaum

Wakefield acceleration methods are known due to some their advantages. The main of them is the high accelerating gradient up to several teravolts per meter. In the paper another important advantage is concluded to the possibility of using a…

等离子体物理 · 物理学 2024-09-23 D. S. Bondar , V. I. Maslov , I. N. Onishchenko

Laser-driven ion acceleration is an attractive technique for compact high-energy ion sources. Currently, among various physical and technical issues to be solved, the boost of ion energy and the reduction of energy spread represent the key…

等离子体物理 · 物理学 2022-07-19 Xing-Long Zhu , Wei-Yuan Liu , Min Chen , Su-Ming Weng , Paul McKenna , Zheng-Ming Sheng , Jie Zhang

It is proposed to develop a source of polarized ^3He^{++} ions for the JINR Accelerator Complex on the basis of its polarized deuteron source by feeding its radio-frequency dissociator with ^3He gas to produce metastable atoms, using an…

加速器物理 · 物理学 2009-09-28 V. V. Fimushkin , E. D. Donets , I. V. Gapienko , Yu. A. Plis , Yu. V. Prokofichev , V. P. Vadeev

Electromagnetically-induced-transparency (EIT) cooling is a ground-state cooling technique for trapped particles. EIT offers a broader cooling range in frequency space compared to more established methods. In this work, we experimentally…

量子物理 · 物理学 2016-05-04 R. Lechner , C. Maier , C. Hempel , P. Jurcevic , B. P. Lanyon , T. Monz , M. Brownnutt , R. Blatt , C. F. Roos

Charge-breeding processes in Electron Cyclotron Resonance Ion Sources are numerically simulated by using the target helium plasma parameters obtained with NAM-ECRIS code. Breeding efficiency is obtained as a function of 1+ ion injection…

加速器物理 · 物理学 2018-10-17 V. Mironov , S. Bogomolov , A. Bondarchenko , A. Efremov , V. Loginov

SPIDER, the ion source prototype for ITER neutral beam injectors, has been in operation since 2018. The experiment includes a system of Ion Source and Extraction Power Supplies (ISEPS), whose design dates back to 2011. Since then the…

等离子体物理 · 物理学 2023-04-18 A. Shepherd , M. Bigi , R. Casagrande , M. Dan , A. Maistrello , E. Sartori , G. Serianni , H. Decamps , L. Zanotto

Laser ion acceleration is a promising concept for generation of fast ions using a compact laser-solid interaction setup. In this study, we theoretically investigate the feasibility of ion acceleration from the interaction of petawatt-scale…

等离子体物理 · 物理学 2022-01-19 K. V. Lezhnin , S. V. Bulanov

We have commenced experiments with intense short pulses of ion beams on the Neutralized Drift Compression Experiment-II at Lawrence Berkeley National Laboratory, by generating beam spots size with radius r < 1 mm within 2 ns FWHM and…

The vacuum arc ion source has evolved into a more or less standard laboratory tool for the production of high-current beams of metal ions, and is now used in a number of different embodiments at many laboratories around the world.…

加速器物理 · 物理学 2014-04-03 I. Brown

This work highlights the possibility of improving the quantification aspect of Cs-complex ions in SIMS (Secondary Ion Mass Spectrometry), by combining the intensities of all possible Cs-complexes. Identification of all possible Cs-complexes…

材料科学 · 物理学 2015-10-28 A. K. Balamurugan , S. Dash , A. K. Tyagi

A new diagnosis method for high energy ions utilizing a single CR-39 detector mounted on plastic plates is demonstrated to identify the presence of the high energy component beyond the CR-39's detection threshold limit. On irradiation of…

We investigate the observed spectrum of cosmic-ray electrons and positrons from astrophysical sources, especially pulsars, and the physical processes for making the spectrum spiky or smooth via continuous and multiple electron/positron…

高能天体物理现象 · 物理学 2015-04-23 Norita Kawanaka , Kunihito Ioka , Mihoko M. Nojiri

The Neutral Beam Injectors of the ITER experiment will rely on negative ion sources to produce 16.7 MW beams of H/D particles accelerated at 1 MeV. The prototype of these sources was built and is currently operated in the SPIDER experiment…

等离子体物理 · 物理学 2022-11-10 M. Barbisan , R. Pasqualotto , R. Agnello , M. Pilieci , G. Serianni , C. Taliercio , V. Cervaro , F. Rossetto , A. Tiso

Electron dynamics in Electron Cyclotron Resonance Ion Source is numerically simulated by using Particle-In-Cell code combined with simulations of the ion dynamics. Mean electron energies are found to be around 70 keV close to values that…

等离子体物理 · 物理学 2017-06-28 V. Mironov , S. Bogomolov , A. Bondarchenko , A. Efremov , V. Loginov

With the aim to obtain short-pulse bunches with high peak current for a terahertz radiation source, an EC-ITC (External-Cathode Independently Tunable Cells) RF gun was employed. As the external injecting electron source of the ITC RF gun, a…

加速器物理 · 物理学 2015-06-16 Ji Li , Y. J. Pei , Tongning Hu , Qushan Chen , Guangyao Feng , Lei Shang , Chenglong Li