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A comprehensive theoretical approach to describe the electron-ion radiative recombination in the presence of intense, short laser pulses, which accounts for nondipole corrections is presented. It is based on the relativistic Coulomb-Volkov…

Quantum Physics · Physics 2024-05-13 Deeksha Kanti , M. M. Majczak , J. Z. Kamiński , Liang-You Peng , K. Krajewska

Recent P5 report indicated the accelerator-based neutrino and rare decay physics research as a centrepiece of the US domestic HEP program. Operation, upgrade and development of the accelerators for the near-term and longer-term particle…

Accelerator Physics · Physics 2015-11-09 V. Shiltsev , P. Hurh , A. Romanenko , A. Valishev , R. Zwaska

The analytical R-matrix (ARM) theory has been known for an efficient description of the Coulomb effects of the atomic core in strong-field ionization in the nonrelativistic regime. We generalize the ARM theory into the relativistic domain…

Atomic Physics · Physics 2023-03-01 Michael Klaiber , Karen Z. Hatsagortsyan , Christoph H. Keitel

As a deep-Earth energy source, the planetocentric nuclear-fission georeactor concept is on a more secure scientific footing than the previous idea related to the assumed growth of the inner core. Unlike previously considered deep-Earth…

Geophysics · Physics 2007-05-23 J. Marvin Herndon

Relativistic electron beams produced by intense lasers over short distances have important applications in high energy density physics and medical technologies. Vacuum laser acceleration with plasma mirrors injectors has garnered…

Plasma Physics · Physics 2025-11-19 Jiaxin Liu , Zeyue Pang , Hehanlin Wang , Zi-Yu Chen

In this article, we concentrate on the basic physics of relativistic plasma wave accelerators. The generation of relativistic plasma waves by intense lasers or electron beams in low-density plasmas is important in the quest for producing…

Accelerator Physics · Physics 2017-05-31 R. Bingham , R. Trines

The wealth of work in backward Raman amplification in plasma has focused on the extreme intensity limit, however backward Raman amplification may also provide an effective and practical mechanism for generating intense, broad bandwidth,…

Plasma Physics · Physics 2017-03-09 L. A. Johnson , D. F. Gordon , J. P. Palastro , B. Hafizi

Based on the Dirac approach we have developed the relativistic vision of the WKB method for centrally symmetrical potential with mixed Lorenz structure. We have obtained relativistic wavefunctions of light quark and the new rule of…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. V. Rubish

With alternate, sustainable, natural sources of energy being sought after, there is new interest in energy from radioactivity, including natural and waste radioactive materials. A study of various atomic batteries is presented with…

Materials Science · Physics 2015-11-26 Suhas Kumar

Active energy compression scheme is presently being investigated for future laser-plasma accelerators. This method enables generating laser-plasma accelerator electron beams with a small, $\sim 10^{-5}$, relative slice energy spread. When…

To support of our experimental studies on dielectric laser acceleration, numerical studies of laser acceleration of nonrelativistic electrons with the initial energy of 33.9 keV in transparent and reflective periodic structures are car-ried…

Accelerator Physics · Physics 2024-11-26 I. V. Beznosenko , A. V. Vasyliev , G. V. Sotnikov , G. O. Krivonosov

Density dowmramp injection has been demonstrated to be an elegant and efficient approach for generating high quality electron beams in laser wakefield accelerators. Yet, the charge of the produced beam is tens of pC per Joule of laser…

Plasma Physics · Physics 2025-03-05 Celine Hue , Yang Wan , Eitan Y. Levine , Victor Malka

Ultra-intense lasers produce and manipulate plasmas, allowing to locally generate extremely high static and electromagnetic fields. This Letter presents a concept of an ultra-intense optical tweezer, where two counter-propagating circularly…

Accelerator Physics · Physics 2019-04-30 Y. Wan , I. A. Andriyash , C. -H. Pai , J. F. Hua , C. J. Zhang , F. Li , Y. P. Wu , Z. Nie , W. B. Mori , W. Lu , V. Malka , C. Joshi

We demonstrate a high-energy, high-charge, electron source produced by the irradiation of a novel gaseous target by an ultra-intense femtosecond laser pulse. By exploiting a nonsymmetrical nozzle, we increased the total charge of the…

Accelerator-based light sources such as storage rings and free-electron lasers use relativistic electron beams to produce intense radiation over a wide spectral range for fundamental research in physics, chemistry, materials science,…

Accelerator Physics · Physics 2015-06-19 Erik Hemsing , Gennady Stupakov , Dao Xiang , Alexander Zholents

Recent simulations have shown that a high-energy proton bunch can excite strong plasma wakefields and accelerate a bunch of electrons to the energy frontier in a single stage of acceleration. This scheme could lead to a future $ep$ collider…

Accelerator Physics · Physics 2014-07-09 M. Wing , G. Xia , O. Mete , A. Aimidula , C. Welsch , S. Chattopadhyay , S. Mandry

We consider a relativistic quantum heat engine that goes through a thermodynamical cycle consisting of stages involving laser-assisted cooling of electrons and the generation of Xray radiation. Quantum treatment of the processes makes it…

Accelerator Physics · Physics 2017-01-27 E. A. Ayryan , M. Hnatic , K. G. Petrosyan , A. H. Gevorgyan , N. Sh. Izmailian , K. B. Oganesyan

The WMAP results on the scalar spectral index n and its running with scale, though preliminary, open a very interesting window to physics at very high energies. We address the problem of finding simple inflaton potentials well motivated by…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. R. Espinosa

Relativistic wakes produced by intense laser or particle beams propagating through plasmas are being considered as accelerators for next generation of colliders and coherent light sources. Such wakes have been shown to accelerate electrons…

Plasma Physics · Physics 2016-10-19 C. J. Zhang , J. F. Hua , Y. Wan , B. Guo , Y. P. Wu , C. -H. Pai , F. Li , H. -H. Chu , Y. Q. Gu , X. L. Xu , W. B. Mori , C. Joshi , J. Wang , W. Lu

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