中文
相关论文

相关论文: Triple differential cross-section for Laser-assist…

200 篇论文

In this communication, we present the results of the triple differential cross-section (TDCS) for the (e,2e) process on H2O molecule for the plane wave and the twisted electron beam impact. The formalism is developed in the first Born…

化学物理 · 物理学 2022-06-15 Nikita Dhankhar , Rakesh Choubisa

We study the laser-assisted twisted electron beam impact ionization of the hydrogen atom in coplanar asymmetric geometry. We develope the theoretical model in the first Born approximation. In the presence of the laser field, we treat the…

原子物理 · 物理学 2023-08-29 Neha , Nikita Dhankhar , Raul Sheldon Pinto , Rakesh Choubisa

The dynamics of fast (e, 2e) collisions, induced by the impact of twisted electron beams, on atomic hydrogen, is analyzed in the presence of a laser field with circular and linear polarization. For the (e,2e) differential cross-section…

原子物理 · 物理学 2026-03-04 Neha , Rakesh Choubisa

In this communication, we present the results of the Five-fold Differential Cross Section (5DCS) and Triple Differential Cross Section (TDCS) for the (e,2e) process on molecular hydrogen ($H_2$) by the plane wave and the twisted electron…

原子物理 · 物理学 2021-02-03 Nikita Dhankhar , Rakesh Choubisa

In this communication, we report our calculations of Triple Differential Cross-Section (TDCS) for the relativistic (e,2e) process with a twisted electron beam on Cu and Ag atomic targets in coplanar asymmetric geometry mode. The theoretical…

原子物理 · 物理学 2021-12-08 Aditi Mandal , Nikita Dhankhar , Didier Sébilleau , Rakesh Choubisa

We present the theoretical treatment of laser-assisted $(e,2e)$ ionizing collisions in hydrogen for fast electrons, in the framework of the first-order Born approximation at moderate laser intensities and photon energies beyond the…

原子物理 · 物理学 2023-06-19 Gabriela Buică

We present the angular profiles of the triple differential cross-section (TDCS) for the (e,2e) process on the noble gas atoms, namely He (1s), Ne (2s and 2p), and Ar (3p) for the plane wave and the twisted electron impact. We develop the…

原子物理 · 物理学 2022-08-10 Nikita Dhankhar , Soham Banerjee , Rakesh Choubisa

Electron vortex beams (EVB, also known as twisted electron beams) possess an intrinsic orbital angular momentum (OAM) with respect to their propagation direction. This intrinsic OAM represents a new degree of freedom that provides new…

原子物理 · 物理学 2023-03-07 Nikita Dhankhar , Neha , R. Choubisa

Ionization collisions have important consequences in many physical phenomena, and the mechanism that leads to ionization is not universal. Double differential cross sections (DDCSs) are often used to identify ionization mechanisms because…

原子物理 · 物理学 2022-02-23 A. Plumadore , A. L. Harris

Calculations have been made for the double differential cross section (DDCS) for the ionization of metastable hydrogen atoms in the 3S state by electron and positron impact at energies of 150 eV and 250 eV. The authors implemented the…

原子物理 · 物理学 2025-10-20 Fahadul Islam , Sunil Dhar

Triple differential cross sections (TDCSs) for electron vortex projectile ionization of helium into the azimuthal plane are calculated using the distorted wave Born approximation. In this collision geometry, the TDCSs at low and…

原子物理 · 物理学 2021-10-11 A. L. Harris

The elastic scattering of twisted electrons by diatomic molecules is studied within the framework of the non-relativistic first Born approximation. In this process, the coherent interaction of incident electrons with two molecular centers…

原子物理 · 物理学 2018-10-17 A. V. Maiorova , S. Fritzsche , R. A. Mueller , A. Surzhykov

Electron-impact ionization of atomic hydrogen with the electron's anomalous mag- netic moment (AMM) effects are examined. The formulas for the laser-assisted relativis- tic triple differential cross section (TDCS) in the coplanar binary…

原子物理 · 物理学 2012-10-30 S. Taj , B. Manaut , M. El Idrissi , Y. Attaourti , L. Oufni

A theoretical study was conducted on the impact of electron and positron impact ionization of excited hydrogen atoms that were in the 3s state; this study was conducted within the First-Born Approximation (FBA), which provides an analytical…

原子物理 · 物理学 2025-12-05 Fahadul Islam , Sunil Dhar

Owing to recent advances in laser technology, it has become important to investigate fundamental laser-assisted processes in very powerful laser fields. In the present work and within the framework of laser-assisted quantum electrodynamics…

量子物理 · 物理学 2021-09-01 I Dahiri , M Jakha , S Mouslih , B Manaut , S Taj

We have studied strong-field enhanced dissociative ionization of D$_{2}$O in 40 fs, 800 nm laser pulses with focused intensities of $< 1 - 3 \times 10^{15}W/cm^2$ by resolving the charged fragment momenta with respect to the laser…

An analytic description of laser-assisted electron-atom scattering (LAES) in an elliptically polarized field is presented using time-dependent effective range (TDER) theory to treat both electron-laser and electron-atom interactions…

原子物理 · 物理学 2015-06-12 A. V. Flegel , M. V. Frolov , N. L. Manakov , Anthony F. Starace , A. N. Zheltukhin

Electrons carrying orbital angular momentum (OAM) have recently been discovered theoretically and obtained experimentally that opens up possibilities for using them in high-energy physics. We consider such a twisted electron moving in…

高能物理 - 唯象学 · 物理学 2012-12-12 Dmitry V. Karlovets

The radiolysis of water is an important study in microdosimetry, one of the resulting and important molecules in this study is the $OH^-$. Theoretical quantum mechanics calculations are used to obtain the differential cross section for the…

We study the process of single ionization of Li in collisions with H$^+$ and O$^{8+}$ projectile ions at 6 MeV and 1.5-MeV/amu impact energies, respectively. Using the frameworks of the independent-electron model and the impact parameter…

原子物理 · 物理学 2015-01-16 L. Gulyás , S. Egri , T. Kirchner
‹ 上一页 1 2 3 10 下一页 ›