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Related papers: An ultracold low emittance electron source

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1.5D PIC, relativistic, fully electromagnetic (EM) simulations are used to model EM wave emission generation in the context of solar type III radio bursts. The model studies generation of EM waves by a super-thermal, hot beam of electrons…

Solar and Stellar Astrophysics · Physics 2011-06-10 D. Tsiklauri

The Bubble regime of electron acceleration in ultra-relativistic laser plasma is considered. It has been shown that the bubble can produce ultra-short dense bunches of electrons with quasi-monoenergetic energy spectra. The first experiment…

Plasma Physics · Physics 2009-11-10 A. Pukhov , S. Gordienko , S. Kiselev , I. Kostyukov

High-bunch-charge photoemission electron-sources operating in a continuous wave (CW) mode are required for many advanced applications of particle accelerators, such as electron coolers for hadron beams, electron-ion colliders, and…

We introduce four new molecules -- YbRb, YbCs, YbSr$^+$, and YbBa$^+$ -- that may prove fruitful in experimental searches for the electric dipole moment (EDM) of the electron. These molecules can, in principle, be prepared at extremely low…

Atomic Physics · Physics 2015-05-13 Edmund R. Meyer , John L. Bohn

We investigate the feasible limits for realising a continuously evaporated atom laser with high-temperature sources. A plausible scheme for realising a truly continuous atom laser is to outcouple atoms from a partially condensed Bose gas,…

Quantum Physics · Physics 2013-05-30 G. R. Dennis , Matthew J. Davis , J. J. Hope

Ultrashort electron pulses with a high average current provide a powerful means of enhancing time-resolved imaging and photon generation. In this study, we report the attosecond shaping of sub-relativistic electron beams using membranes in…

We are designing and fabricating two new thermionic sources of magnetized electrons for use in the electron lens project at the Integrable Optics Test Accelerator (IOTA) at Fermilab. These electron sources will be used for cooling of 2.5…

Accelerator Physics · Physics 2022-09-07 M. K. Bossard , N. Banerjee , J. Brandt , Y. -K. Kim , M. Krieg , B. Cathey , S. Nagaitsev , G. Stancari

Electron beam quality is paramount for X-ray pulse production in free-electron-lasers (FELs). State-of-the-art linear accelerators (linacs) can deliver multi-GeV electron beams with sufficient quality for hard X-ray-FELs, albeit requiring…

We propose a new method for the production of ultracold molecular ions. This method utilizes sympathetic cooling due to the strong collisions between appropriately chosen molecular ions and laser-cooled neutral atoms to realize ultracold,…

Atomic Physics · Physics 2009-11-13 Eric R. Hudson

In the quasi-gasdynamic high-current ion source described in this work, the plasma is sustained by high-power millimeter-wave radiation under the electron cyclotron resonance (ECR) condition. In such facilities, it is possible to achieve…

A novel method to produce neutrino beams has recently been proposed : the beta-beams. This method consists in using the beta-decay of boosted radioactive nuclei to obtain an intense, collimated and pure neutrino beam. Here we propose to…

High Energy Physics - Phenomenology · Physics 2009-11-10 Cristina Volpe

Laser-based electron acceleration is attracting strong interest from the conventional accelerator community due to its outstanding characteristics in terms of high initial energy, low emittance and high beam current. Unfortunately, such…

The new generation of laser facilities is expected to deliver short (10 fs - 100 fs) laser pulses with 10 - 100 PW of peak power. This opens an opportunity to study matter at extreme intensities in the laboratory and provides access to new…

Plasma Physics · Physics 2017-10-20 Marija Vranic , Ondrej Klimo , Georg Korn , Stefan Weber

Compact and robust cold atom sources are increasingly important for quantum research, especially for transferring cutting-edge quantum science into practical applications. In this letter, we report on a novel scheme that utilizes a…

Ultra-intense MeV photon and neutron beams are indispensable tools in many research fields such as nuclear, atomic and material science as well as in medical and biophysical applications. For astrophysical applications aimed for laboratory…

Employing colliding-pulse injection has been shown to enable high-quality electron beams to be generated from laser-plasma accelerators. Here by leveraging test particle simulations, Hamiltonian analysis, and multidimensional…

Accelerator Physics · Physics 2023-10-09 Zheng Gong , Michael J. Quin , Simon Bohlen , Christoph H. Keitel , Kristjan Põder , Matteo Tamburini

High-flux polarized particle beams are of critical importance for the investigation of spin-dependent processes, such as in searches of physics beyond the Standard Model, as well as for scrutinizing the structure of solids and surfaces in…

Plasma Physics · Physics 2019-05-31 Meng Wen , Matteo Tamburini , Christoph H. Keitel

In this paper, electromagnetic emissions produced by a beam-plasma system are investigated using particle-in-cell simulations for the particular case when the typical transverse size of both 100 keV electron beam and produced plasma channel…

Plasma Physics · Physics 2019-07-24 V. V. Annenkov , I. V. Timofeev , E. P. Volchok

The additional pumping of energy into arc plasma flow by the self-consistently formed radially directed beam of high-energy electrons for evaporation of micro-droplets is considered. The radial beam appears near the inner cylindrical…

Plasma Physics · Physics 2020-11-17 A. A. Goncharov , V. I. Maslov , L. V. Naiko

This review describes the production of atomic strontium samples at ultra-low temperature and at high phase-space density, and their possible use for physical studies and applications. We describe the process of loading a magneto-optical…

Atomic Physics · Physics 2007-05-23 F. Sorrentino , G. Ferrari , N. Poli , R. Drullinger , G. M. Tino