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Related papers: A surprising method for polarising antiprotons

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Recent observations by the PAMELA and AMS-02 telescopes have uncovered an anomalous rise in the positron fraction at energies above 10~GeV. One possible explanation for this excess is the production of primary electron/positron pairs…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Tim Linden

Generation of arbitrarily spin-polarized lepton (here refer in particular to electron and positron) beams has been investigated in the single-shot interaction of high-energy polarized $\gamma$ photons with an ultraintense asymmetric laser…

We propose a scheme to overcome the great challenge of polarization loss in spin-polarized ion acceleration. When a petawatt laser pulse penetrates through a compound plasma target consisting of a double layer slab and prepolarized hydrogen…

Plasma Physics · Physics 2020-11-24 Zheng Gong , Yinren Shou , Yuhui Tang , Xueqing Yan

The frozen spin method can be effectively used for a high-precision measurement of the tensor electric and magnetic polarizabilities of the deuteron and other nuclei in storage rings. For the deuteron, this method would provide the…

Nuclear Theory · Physics 2009-10-29 Alexander J. Silenko

A bi-photon polarization-frequency entanglement source was realized by shaping the phase-matching function of a poled KTP crystal. It provides a simple method to achieve either polarization or spectral entanglement in a simple collinear…

Quantum Physics · Physics 2025-06-10 Anatoly Shukhin , Inbar Hurvitz , Leonid Vidro , Ady Arie , Hagai S. Eisenberg

We investigate the current flow of microcavity polariton condensates loaded into concentric ring-shaped potentials. The tunneling of the condensates between different potential rings results in different phase-locked states, depending on…

The formalism describing the scattering of two spin-1/2 objects is reviewed for the case of antilambda-lambda production from antiproton-proton annihilation. It is shown that an experiment utilizing a transverse target polarization can, in…

High Energy Physics - Experiment · Physics 2009-10-31 Kent Paschke , Brian Quinn

Bose-condensation of mass-less quasiparticles (photons) can be easily achieved at the room temperature in lasers. On the other hand, condensation of bosons having a non-zero mass requires usually ultra-low temperatures. Recently, it has…

Materials Science · Physics 2009-11-10 A. V. Kavokin , I. A. Shelykh , M. M. Glazov

The proton analyzing power in carbon has been measured for energies of 82 to 217 MeV and proton scattering angles of 5 to 41 degrees. The measurements were carried out using polarized protons from the elastic scattering H(pol. e, pol. p)…

It is known that the concept of limiting polarization introduced seventy years ago by K G Budden has the capacity to explain the magnitude of circular polarization seen in normal pulsars with rotation periods of the order of one second…

High Energy Astrophysical Phenomena · Physics 2020-10-07 P B Jones

The high-luminosity requirement in future lepton colliders imposes a need for a high-intensity positron source. In the conventional scheme, positron beams are obtained by the conversion of bremsstrahlung photons into electron-positron pairs…

Highly polarized, multi-kiloampere-current electron bunches from compact laser-plasma accelerators are desired for numerous applications. Current proposals to produce these beams suffer from intrinsic limitations to the reproducibility,…

Accelerator Physics · Physics 2023-10-05 Simon Bohlen , Zheng Gong , Michael J. Quin , Matteo Tamburini , Kristjan Põder

We simulate the electron transport in vertical bi-layer nanowire which can be fabricated in molecular beam epitaxy process with lateral confinement potential formed by means of cleaved overgrowth or surface oxidization methods giving…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 T. Chwiej

The polarization dynamics of electrons including multiple nonlinear Compton scattering during the interaction of a circularly-polarized ultraintense laser pulse with a counterpropagating ultrarelativistic electron beam is investigated.…

Plasma Physics · Physics 2023-07-10 Yan-Fei Li , Yue-Yue Chen , K. Z. Hatsagortsyan , A. Di Piazza , M. Tamburini , C. H. Keitel

In this paper, we analyze electric deflection fields for polar molecules in terms of a multipole expansion and derive a simple but rather insightful expression for the force on the molecules. Ideally, a deflection field exerts a strong,…

Atomic Physics · Physics 2017-09-13 Adrian J. de Nijs , Hendrick L. Bethlem

We study ballistic transport of Dirac electrons through a strip in silicene, when the strip is exposed to off-resonant circularly polarized light and an electric field applied perpendicular to the silicene plane. We show that the…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Yawar Mohammadi , Borhan Arghavani Nia

An economic technique for calculation of polarized bremsstrahlung process is proposed, assuming typical atomic momentum transfer $q\ll m$. The adopted approach is based on the natural reduction of the matrix element to the form…

High Energy Physics - Phenomenology · Physics 2008-06-23 Miccola V. Bondarenco

Spin injection and detection in silicon is a difficult problem, in part because the weak spin-orbit coupling and indirect gap preclude using standard optical techniques. We propose two ways to overcome this difficulty, and illustrate their…

Other Condensed Matter · Physics 2015-06-24 Igor Zutic , Jaroslav Fabian , Steven C. Erwin

By applying density functional theory calculations, we predict that the groundstate of bilayer silicene at certain interlayer distances can be antiferromagnetic. At small electron or hole doping, it becomes half metallic under applied…

Materials Science · Physics 2018-09-03 Xiao-Fang Ouyang , Ze-Yi Song , Yu-Zhong Zhang

We demonstrate a scheme for enhanced proton acceleration from near-critical-density targets by splitting a laser pulse into a linearly and a circularly polarized laser pulse. The combination of two laser pulses generates a shock wave as…

Plasma Physics · Physics 2025-02-25 D N Gupta , Saurabh Kumar , S Kar
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