English
Related papers

Related papers: Simulation of laser-Compton cooling of electron be…

200 papers

The Microbunched Electron Cooling (MBEC) is a promising cooling technique that can find applications in future hadron and electron-ion colliders to counteract intrabeam scattering that limits the maximum achievable luminosity of the…

Accelerator Physics · Physics 2019-05-15 G. Stupakov , P. Baxevanis

We explore, theoretically and experimentally, a method for cooling a broadband heat reservoir, via its laser-assisted collisions with two-level atoms followed by their fluorescence. This method is shown to be advantageous compared to…

Quantum Physics · Physics 2015-03-02 D. Gelbwaser-Klimovsky , K. Szczygielski , U. Vogl , A. Saß , R. Alicki , G. Kurizki , M. Weitz

We present a laser cooling scheme for trapped ions and atoms using a combination of laser couplings and a magnetic gradient field. In a Schrieffer-Wolff transformed picture, this setup cancels the carrier and blue sideband terms completely…

Quantum Physics · Physics 2011-03-18 Andreas Albrecht , Alex Retzker , Christof Wunderlich , Martin B. Plenio

A cryogenic buffer gas beam, an electrostatic hexapole lens, and 2D transverse Doppler laser cooling are combined to produce a bright beam of barium monofluoride ($^{138}$Ba$^{19}$F) molecules. Experimental results and trajectory…

For inner magnetospheric models of hard X-ray and gamma-ray emission in high-field pulsars and magnetars, resonant Compton upscattering is anticipated to be the most efficient process for generating continuum radiation. This is due in part…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Matthew G. Baring , Zorawar Wadiasingh , Peter L. Gonthier

Using the laser backscattering method at future TeV linear colliders one can obtain gamma-gamma and electron-gamma colliding beams (photon colliders) with the energy and luminosity comparable to that in e+e- collisions. Now this option is…

Accelerator Physics · Physics 2015-06-26 Valery Telnov

Muon Colliders would usher in a new era of scientific investigation in the field of high energy particle physics. The cooling of muon beams is proving to be the greatest obstacle in the realization of a Muon Collider. Monte Carlo…

Accelerator Physics · Physics 2009-02-02 H. Abramowicz , A. Caldwell , R. Galea , S. Schlenstedt

We present a single solid-state laser system to cool, coherently manipulate and detect $^{25}$Mg$^+$ ions. Coherent manipulation is accomplished by coupling two hyperfine ground state levels using a pair of far-detuned Raman laser beams.…

Quantum Physics · Physics 2011-09-06 Boerge Hemmerling , Florian Gebert , Yong Wan , Daniel Nigg , Ivan V. Sherstov , Piet O. Schmidt

A high-energy muon collider scenario requires a "final cooling" system that reduces transverse emittance by a factor of ~10 while allowing longitudinal emittance increase. The baseline approach has low-energy transverse cooling within…

Accelerator Physics · Physics 2015-02-11 David Neuffer

We propose a new laser cooling method for atomic species whose level structure makes traditional laser cooling difficult. For instance, laser cooling of hydrogen requires vacuum-ultraviolet laser light, while multielectron atoms need laser…

Quantum Physics · Physics 2009-11-10 David Kielpinski

Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped charged particles. However, many species of interest lack suitable electronic transitions for direct laser cooling. We study theoretically the…

While ion heating by elastic electron-ion collisions may be neglected for a description of the evolution of freely expanding ultracold neutral plasmas, the situation is different in scenarios where the ions are laser-cooled during the…

Plasma Physics · Physics 2009-11-10 T. Pohl , T. Pattard , J. M. Rost

We perform a quantitative analysis of the cooling dynamics of three-level atomic systems interacting with two distinct lasers. Employing sparse-matrix techniques, we find numerical solutions to the fully quantized master equation in steady…

Atomic Physics · Physics 2009-11-13 Josh W. Dunn , J. W. Thomsen , Chris H. Greene , Flavio C. Cruz

A method of delivering a monochromatic electron beam to the LHC interaction points is proposed. In this method, heavy ions are used as carriers of the projectile electrons. Acceleration, storage and collision-stability aspects of such a…

High Energy Physics - Experiment · Physics 2007-05-23 Mieczyslaw Witold Krasny

The two most widely used ion cooling methods are laser cooling and sympathetic cooling by elastic collisions (ECs). Here we demonstrate another method of cooling ions that is based on resonant charge exchange (RCE) between the trapped ion…

Atomic Physics · Physics 2018-04-11 Sourav Dutta , S. A. Rangwala

Laser cooling typically requires one or more repump lasers to clear dark states and enable recycling transitions. Here, we have achieved cooling of Be+ ions using a single laser beam, facilitated by one-dimensional heating through…

Atomic Physics · Physics 2024-06-21 Yue Xiao , Yongxu Peng , Linfeng Chen , Chunhui Li , Zongao Song , Xin Wang , Tao Wang , Yurun Xie , Bin Zhao , Tiangang Yang

We study laser cooling of two ions that are trapped in a harmonic potential and interact by Coulomb repulsion. Sideband cooling in the Lamb-Dicke regime is shown to work analogously to sideband cooling of a single ion. Outside the…

Quantum Physics · Physics 2014-11-18 G. Morigi , J. Eschner , J. I. Cirac , P. Zoller

One option at the International Linear Collider is to convert the electron beams into high energy photon beams by Compton scattering a few millimetres in front of the interaction region. Selected physics channels for this option have been…

Instrumentation and Detectors · Physics 2008-11-26 F. Bechtel , G. Klaemke , K. Moenig , H. Nieto , H. Nowak , A. Rosca , J. Sekaric , A. Stahl

A new scheme for the two-dimensional cooling of ion beams in storage rings is suggested in which ions interact with a counterpropagating broad-band laser beam. The interaction region in the direction of the ion movement is much less then…

Accelerator Physics · Physics 2007-05-23 E. G. Bessonov , K. -J. Kim , F. Willeke

The possibility of using in an electron-ion collider the so-called quasi-ordered ion beam deep cooled by electron cooling is considered. The properties of the ordered and quasi-ordered beams are described. The advantages of using the…

Accelerator Physics · Physics 2018-12-26 I. N. Meshkov