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High-intensity high-energy neutrino beams could be produced by exploiting a very intense future muon source, and allowing the muons to decay in a storage ring containing a long straight section. Taking the parameters of muon source designs…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Geer

We present a novel approach to calculating strong field ionization dynamics of multielectron molecular targets. Adopting a multielectron wavefunction ansatz based on field-free ab initio neutral and ionic multielectron states, a set of…

Atomic Physics · Physics 2015-05-14 Michael Spanner , Serguei Patchkovskii

We report on the development of multi-beam RF linear ion accelerators that are formed from stacks of low cost wafers and describe the status of beam power scale-up using an array of 120 beams. The total argon ion current extracted from the…

Accelerator Physics · Physics 2022-04-20 Q. Ji , K. K. Afridi , T. Bauer , G. Giesbrecht , Y. Hou , A. Lal , D. Ni , A. Persaud , Z. Qin , P. Seidl , S. Sinha , T. Schenkel

An electron-impact ion source based on photoelectron emission was developed for ionization of gases at pressures below 1e-4 mbar in an axial magnetic field in the order of 5 T. The ion source applies only DC fields, which makes it suitable…

Instrumentation and Detectors · Physics 2011-01-25 S. Lukic , B. Bornschein , G. Drexlin , F. Glück , O. Kazachenko , M. Schöppner , Ch. Weinheimer , M. C. R. Zoll

We exploit free-space interactions between electron beams and tailored light fields to imprint on-demand phase profiles on the electron wave functions. Through rigorous semiclassical theory involving a quantum description of the electrons,…

Quantum Physics · Physics 2021-03-31 F. Javier García de Abajo , Andrea Konečná

We have developed and demonstrated a versatile, compact electron source that can produce a monoenergetic electron beam up to 50 mm diameter from 0.1 to 30 keV with an energy spread of <10 eV. By illuminating a metal cathode plate with a…

Space Physics · Physics 2015-05-30 Kevin Henderson , Ron Harper , Herb Funsten , Elizabeth MacDonald

A self-consistent semi-analytical theory of beam loading in inhomogeneous accelerating structures based on the generalized theory of coupled modes is proposed. A single-mode approximation was used when the fields are represented as a sum of…

Accelerator Physics · Physics 2025-08-19 M. I. Ayzatsky

We propose to use tightly focused lasers to generate high quality electron beams in laser wakefield accelerators. In this scheme, the expansion of the laser beam after the focal position enlarges the size of wakefield bubble, which reduces…

Accelerator Physics · Physics 2023-09-29 Jia Wang , Ming Zeng , Dazhang Li , Xiaoning Wang , Jie Gao

The Isotope mass Separator On-Line DEvice (ISOLDE) facility located at CERN, produces and transports Radioactive Ion Beams (RIBs) at low or high energy through the REX/HIE-ISOLDE linear accelerator, for nuclear physics, astrophysics,…

Accelerator Physics · Physics 2018-09-25 Niels Bidault , Jose Alberto Rodriguez , Miguel Lozano , Sergey Sadovich

Laser-triggered ionization injection is a promising way of generating controllable high-quality electrons in plasma-based acceleration. We show that ionization injection of electrons into a fully nonlinear plasma wave wake using a laser…

Plasma Physics · Physics 2022-02-02 Xinlu Xu , Jorge Vieira , Mark Hogan , Chan Joshi , Warren Mori

Compact H$^-$ cyclotrons are used all across the globe to produce medical isotopes. Machines with external ion sources have demonstrated average extracted currents on the order of a few mA, although reported operational numbers are…

Accelerator Physics · Physics 2023-03-22 Thomas Planche , Richard A. Baartman , Hui Wen Koay , Yi-Nong Rao , Lige Zhang

Recent ion source developments resulted in the generation of high brilliance, high current beams of protons and light ions. After extraction and transport the beams with large internal space charge forces have to be captured, bunched and…

Accelerator Physics · Physics 2007-05-23 A. Sauer , H. Deitinghoff , H. Klein

Extreme beams of charged particles and photons, reaching ultrahigh densities or producing intense gamma-ray bursts, are central to accelerator physics, laboratory astrophysics, and strong-field quantum electrodynamics research. Yet their…

The acceleration of polarized electrons, positrons, protons and ions in strong laser and plasma fields is a very attractive option to obtain polarized beams in the multi-MeV range. Recently, there has been substantial progress in the…

Accelerator Physics · Physics 2020-11-04 Markus Büscher , Anna Hützen , Liangliang Ji , Andreas Lehrach

The robustness of a structured collimation device is discussed for an intense-laser-produced ion beam. In this paper the ion beam collimation is realized by the solid structured collimation device, which produces the transverse electric…

Plasma Physics · Physics 2015-03-19 S. Kawata , M. Takano , D. Kamiyama , T. Nagashima , D. Barada , Y. J. Gu , X. Li , Q. Yu , Q. Kong , P. X. Wang

We propose a new scheme of producing intense neutron beam whose yields exceed those of existing facilities by many orders of magnitude. This scheme uses the recently proposed photon beam extracted from circulating quantum ions, which is…

Nuclear Experiment · Physics 2017-12-06 T. Masuda , A. Yoshimi , M. Yoshimura

The problem of electromagnetic emission generation in plasma with electron beams is relevant both for practical applications and for interpretation of radio emission processes in astrophysical systems. In this work, we consider the case of…

Plasma Physics · Physics 2023-08-08 Vladimir Annenkov , Evgeniia Volchok , Igor Timofeev

Ultracold atom-based electron sources have recently been proposed as an alternative to the conventional photo-injectors or thermionic electron guns widely used in modern particle accelerators. The advantages of ultracold atom-based electron…

Accelerator Physics · Physics 2015-06-19 G. Xia , M. Harvey , A. J. Murray , L. Bellan , W. Bertsche , R. B. Appleby , O. Mete , S. Chattopadhyay

The inability of conventional methods to completely remove the contaminants from pharmaceutical effluents led us to study the effect of Electron Beam (EB) irradiation on real pharmaceutical wastewater. In this paper, the samples from…

A very intense gamma beam of the Gamma Factory facility proposed at CERN can be used to generate radioactive ion beams (RIBs) with high production yields and study the structure of exotic neutron-rich nuclei. The radioactive nuclides are…

Nuclear Experiment · Physics 2021-12-15 Dragos Nichita , Dimiter Balabanski , Paul Constantin , Witold Krasny , Wieslaw Placzek