Results 261 to 270 of about 130,057 (295)

Universal energy limits of radiation belts in planetary and brown dwarf magnetospheric systems. [PDF]

Sci Adv
Turner DL, Raptis S, Osmane A, Egan A, Clark G, Nordheim T, Regoli L, Ukhorskiy AY.   +7 more
europepmc   +1 more source

Pulsars and Very High-Energy Cosmic-Ray Electrons

Astrophysical Journal, 1970
Pulsars relationship to very high energy cosmic ray electron propagation, examining far IR background and radiation ...
C S Shen
exaly   +2 more sources

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Treatment planning consideration for very high-energy electron FLASH radiotherapy

Physica Medica, 2023
Very high-energy electron (VHEE) can make up the insufficient treatment depth of the low-energy electron while offering an intermediate dosimetric advantage between photon and proton. Combining FLASH with VHEE, a quantitative comparison between different energies was made, with regard to plan quality, dose rate distribution (both in PTV and OAR), and ...
Guoliang, Zhang, Zhengzhao, Zhang, Wenchao, Gao, Hong, Quan   +3 more
openaire   +2 more sources

Treatment planning for laser-accelerated very-high energy electrons

Physics in Medicine and Biology, 2009
In recent experiments, quasi-monoenergetic and well-collimated very-high energy electron (VHEE) beams were obtained by laser-plasma accelerators. We investigate their potential use for radiation therapy. Monte Carlo simulations are used to study the influence of the experimental characteristics such as beam energy, energy spread and initial angular ...
Fuchs, T., Szymanowski, H., Oelfke, U., Glinec, Y., Rechatin, Clément, Faure, Jérôme, Malka, Victor   +6 more
openaire   +3 more sources

Very-high-resolution energy analyser for electron beams

Measurement Science and Technology, 1993
The authors designed an energy analyser for electron beams which exploits the retarding potential method over a small portion of the beam when all relaxations in the beam have occurred. This permits great improvement of energy resolution with respect to standard devices. The resolution depends on beam energy and is in the range 5-7 meV.
Aleksandrov, A. V., Calabrese, Roberto, Ciullo, Giuseppe, Dikansky, N. S., Guidi, Vincenzo, Kot, N. C. H., Kudelainen, V. I., Lebedev, V. A., Logachov, P. V., TECCHIO, L., YANG, B.   +10 more
openaire   +2 more sources

Characteristics of very high‐energy electron beams for the irradiation of deep‐seated targets

Medical Physics, 2021
PurposeDriven by advances in accelerator technology and the potential of exploiting the FLASH effect for the treatment of deep‐seated targets (>5 cm), there is an active interest in the construction of devices to deliver very high‐energy electron (VHEE) beams for radiation therapy.
Till Tobias, Böhlen, Jean-François, Germond, Erik, Traneus, Jean, Bourhis, Marie-Catherine, Vozenin, Claude, Bailat, François, Bochud, Raphaël, Moeckli   +7 more
openaire   +2 more sources

A study of Very High Energy Gamma-Rays and Electrons with GLAST

AIP Conference Proceedings, 2001
The GLAST instrument is dedicated to gamma-ray astronomy in a wide energy range of 20 MeV to 300 GeV, but could be used to study gamma-rays or cosmic electrons up to a few TeV. In this paper we study the high energy response of GLAST from 10 GeV up to one TeV.
Terrier, R., Djannati-Atai, A., Chehktman, A., Grove, J.E., Johnson, W.N.   +4 more
openaire   +3 more sources

Laser-plasma generated very high energy electrons (VHEEs) in radiotherapy [PDF]

Proceedings of SPIE, 2017
As an alternative modality to conventional radiotherapy, electrons with energies above 50 MeV penetrate deeply into tissue, where the dose can be absorbed within a tumour volume with a relatively small penumbra. We investigate the physical properties of VHEEs and review the state-of-the-art in treatment planning and dosimetry. We discuss the advantages
G H Welsh, S M Wiggins, Giuseppe Schettino   +2 more
exaly   +4 more sources

Energy spectra of gamma rays, electrons, and neutrinos produced at proton-proton interactions in the very high energy regime [PDF]

Physical Review D, 2006
We present new parametrisations of energy spectra of secondary particles, $\pi$-mesons, gamma-rays, electrons and neutrinos, produced in inelastic proton-proton collisions.
S R Kelner, F Aharonian
exaly   +1 more source