Results 101 to 110 of about 28,722 (233)

Radiation from an oscillator uniformly moving along the axis of a dielectric cylinder

, 2004
The radiation generated by a charged longitudinal oscillator moving with a constant drift velocity along the axis of a dielectric cylinder immersed in a homogeneous medium is investigated.
A.A. Saharian, A.S. Kotanjyan, Arzumanian, Bolotovsky, Brau, Epp, Grigoryan, Grigoryan, Khachatryan, Kostanyan, Kostanyan, Kostanyan, Kotanjyan, Kotanjyan, Kotanjyan, Kotanjyan, Kukanov, Luchini, Mkrtchyan, Mkrtchyan, Mkrtchyan, Nikitin, Prudnikov, Saharian, Saharian   +24 more
core   +1 more source

The Meaning of Quasi‐Simultaneous X‐Rays and Gamma‐Ray Observations of RS Oph in Outburst

Astronomische Nachrichten, Volume 346, Issue 1, January 2025.
ABSTRACT Shocks in novae outbursts are ubiquitous, but in symbiotic novae, they are particularly powerful, probably because of the surrounding red giant wind. The recurrent nova RS Oph is the best example of this phenomenon. The presence of shocked plasma in outburst was inferred from optical spectra, and it was confirmed by X‐ray observations since ...
Marina Orio, Ke Fang, Jay Gallagher, Gerardo Juan M. Luna, Joanna Mikolajewska   +4 more
wiley   +1 more source

Asymmetric Cherenkov acoustic reverse in topological insulators

, 2014
A general phenomenon of the Cherenkov radiation known in optics or acoustics of conventional materials is a formation of a forward cone of, respectively, photons or phonons emitted by a particle accelerated above the speed of light or sound in those ...
Smirnov, Sergey
core   +1 more source

Cherenkov radiation of a charge exiting open-ended waveguide with dielectric filling

Physical Review Accelerators and Beams, 2019
We consider a semi-infinite open-ended cylindrical waveguide with uniform dielectric filling placed into collinear infinite vacuum waveguide with larger radius.
Sergey N. Galyamin, Andrey V. Tyukhtin, Viktor V. Vorobev, Alexandra A. Grigoreva, Alexander S. Aryshev   +4 more
doaj   +1 more source

Direct Annihilation Position Classification Based on Deep Learning Using Paired Cherenkov Detectors: A Monte Carlo Study

Applied Sciences, 2020
To apply deep learning to estimate the three-dimensional interaction position of a Cherenkov detector, an experimental measurement of the true depth of interaction is needed. This requires significant time and effort. Therefore, in this study, we propose
Kibo Ote, Ryosuke Ota, Fumio Hashimoto, Tomoyuki Hasegawa   +3 more
doaj   +1 more source

Numerical growth of emittance in simulations of laser-wakefield acceleration

Physical Review Special Topics. Accelerators and Beams, 2013
Transverse emittance is a crucial feature of laser-wakefield accelerators, yet accurately reproducing its value in numerical simulations remains challenging. It is shown here that, when the charge of the bunch exceeds a few tens of picocoulombs, particle-
R. Lehe, A. Lifschitz, C. Thaury, V. Malka, X. Davoine   +4 more
doaj   +1 more source

Interfacial Cherenkov radiation from ultralow-energy electrons. [PDF]

Proc Natl Acad Sci U S A, 2023
Gong Z, Chen J, Chen R, Zhu X, Wang C, Zhang X, Hu H, Yang Y, Zhang B, Chen H, Kaminer I, Lin X.   +11 more
europepmc   +1 more source

Mid-infrared analogue polaritonic reversed Cherenkov radiation in natural anisotropic crystals. [PDF]

Nat Commun, 2023
Guo X, Wu C, Zhang S, Hu D, Zhang S, Jiang Q, Dai X, Duan Y, Yang X, Sun Z, Zhang S, Xu H, Dai Q.   +12 more
europepmc   +1 more source

Cherenkov-transition radiation in a waveguide partly filled with a resonance dispersion medium

Physical Review Special Topics. Accelerators and Beams, 2015
We analyze the electromagnetic field of a charged particle that uniformly moves in a circular waveguide and crosses a boundary between a dielectric medium, which possesses frequency dispersion of a resonant type, and a vacuum area.
Tatiana Yu. Alekhina, Andrey V. Tyukhtin, Aleksandra A. Grigoreva   +2 more
doaj   +1 more source

Cherenkov Radiation in Optical Fibres as a Versatile Machine Protection System in Particle Accelerators. [PDF]

Sensors (Basel), 2023
Wolfenden J, Alexandrova AS, Jackson F, Mathisen S, Morris G, Pacey TH, Kumar N, Yadav M, Jones A, Welsch CP.   +9 more
europepmc   +1 more source