中文
相关论文

相关论文: Experiments on bright field and dark field high en…

200 篇论文

High quality electron beams, with high spatial and tempo- ral resolution, have an important use in electron diffraction experiments to probe and study the constituents of matter. A cold electron source is being developed based on elec- tron…

加速器物理 · 物理学 2015-05-12 R Appleby , W. Bertsche , M. Harvey , M. Jones , B. Kyle , O. Mete , A. Murray , G. Xia

This letter proposes a new method based on ultrafast high energy electron radiography to diagnose transient electromagnetic field. For the traditional methods, large scattering from matter will increase the uncertainty of measurement, but…

加速器物理 · 物理学 2022-02-09 J. H. Xiao , Y. C. Du , H. Q. Li , Y. T. Zhao , L. Sheng

Research in non-perturbative QED in strong-field backgrounds has gained interest in recent years, due to advances in high-intensity laser technologies that make extreme fields accessible in the laboratory. One key signature of strong-field…

Short-pulse intense lasers have the potential to model extreme astrophysical environments in laboratories. Although there are diagnostics for energetic electrons and ions resulting from laser-plasma interactions, the diagnostics to measure…

We show that the rate for dark matter-electron scattering in an arbitrary material is determined by an experimentally measurable quantity, the complex dielectric function, for any dark matter interaction that couples to electron density.…

高能物理 - 唯象学 · 物理学 2022-12-16 Yonit Hochberg , Yonatan Kahn , Noah Kurinsky , Benjamin V. Lehmann , To Chin Yu , Karl K. Berggren

We put forward a concrete experimental setup allowing to measure light-by-light scattering in the collision of two optical high-intensity laser beams at state-of-the-art high-field facilities operating petawatt class laser systems. Our…

光学 · 物理学 2024-05-14 Fabian Schütze , Leonard Doyle , Jörg Schreiber , Matt Zepf , Felix Karbstein

Electron energy loss spectroscopy is consolidating as a powerful tool to explore electronic (as well as vibrational) excitations of matter, including molecules. Performed in a scanning transmission electron microscope, this technique is…

化学物理 · 物理学 2021-03-05 Ciro A. Guido , Enzo Rotunno , Matteo Zanfrognini , Stefano Corni , Vincenzo Grillo

A technique for measuring high-energy electrons using Si detectors of various thicknesses that are much smaller than the range of the examined electrons is presented. The advantages of the method are discussed on the basis of…

仪器与探测器 · 物理学 2024-02-27 Gokul Das H , R. Dubey , K. Czerski , M. Kaczmarski , A. Kowalska , N. Targosz-Sleczkaa , M. Valat

I propose to use high brightness electron beam with 1 to 100 MeV energy as tool to combat tumor or cancerous tissues in deep part of body. The method is to directly deliver the electron beam to the tumor site via a small tube that connected…

医学物理 · 物理学 2017-06-29 Wei Gai

We report on an experimental study on the interaction of a high-contrast 40 fs duration 2.5 TW laser pulse with an argon cluster target. A high-charge, homogeneous, large divergence electron beam with moderate kinetic energy (~2 MeV) is…

The physics basis for an electron-beam based Compton scattering (ECOS) x-ray source is investigated for single-shot experiments at major high energy density facilities such as the Omega Laser Facility, National Ignition Facility, and Z…

等离子体物理 · 物理学 2024-05-15 H. G. Rinderknecht , G. Bruhaug , V. Muşat , G. Gregori , H. Poole , G. W. Collins

High-precision particle tracking devices allow for two-dimensional analyses of the material budget distribution of particle detectors and their periphery. In this contribution, the material budget of different targets is reconstructed from…

仪器与探测器 · 物理学 2019-03-12 Hendrik Jansen , Jan Dreyling-Eschweiler , Paul Schütze , Simon Spannagel

Using scanning gate microscopy (SGM), we probe the scattering between a beam of electrons and a two-dimensional electron gas (2DEG) as a function of the beam's injection energy, and distance from the injection point. At low injection…

介观与纳米尺度物理 · 物理学 2010-11-02 M. P. Jura , M. Grobis , M. A. Topinka , L. N. Pfeiffer , K. W. West , D. Goldhaber-Gordon

We explore the opportunities of using electron scattering by screened Coulomb potential as a tool to retrieve properties of the relativistic vortex beams of electrons, such as their transverse momentum and orbital angular momentum (OAM). We…

原子物理 · 物理学 2024-06-07 V. K. Ivanov , A. D. Chaikovskaia , D. V. Karlovets

Hollow electron beams are today highly desirable for many applications, but are still challenging in view of their detection. In this Letter, we focus on the unique character of the electromagnetic radiation that relativistic hollow…

光学 · 物理学 2024-05-16 D. Yu. Sergeeva , D. V. Karlovets , A. A. Tishchenko

European perspectives are discussed on fixed-target electron or positron scattering experiments using polarized and unpolarized beams and targets in various combinations. The goal envisioned is a deep and complete understanding of the…

高能物理 - 唯象学 · 物理学 2009-11-07 Wolf-Dieter Nowak

The possibility of the precise measurement of the electron beam energy using absorption of radiation by electrons in a static and homogeneous magnetic field in a range up to a few hundred GeV energies, was considered in [1]. With the…

加速器物理 · 物理学 2017-08-02 R. A. Melikian

Electron diffraction through a thin patterned silicon membrane can be used to create complex spatial modulations in electron distributions by varying the intensity of different reflections using parameters such as crystallographic…

加速器物理 · 物理学 2019-05-30 L. E. Malin , W. S. Graves , M. Holl , J. C. H. Spence , E. A. Nanni , R. K. Li , X. Shen , S. Weathersby

Spectrographs take snapshots of photon spectra with array detectors by dispersing photons of different energies into distinct directions and spacial locations. Spectrographs require optics with a large angular dispersion rate as the key…

光学 · 物理学 2013-05-28 Yuri Shvyd'ko , Stanislav Stoupin , Kiran Mundboth , Jungho Kim

The uncertainty of the energy measurement of the electron beam on circular electron positron collider (CEPC) must be smaller than 10$\mathrm{MeV}$ to make sure the accurate measurement of the mass of the Higgs boson. In order to simplify…

‹ 上一页 1 2 3 10 下一页 ›