Results 21 to 30 of about 4,014,713 (321)

Study of Photoneutron Production for the 18 MV Photon Beam of the Siemens Medical linac by Monte Carlo Simulation [PDF]

Journal of Biomedical Physics and Engineering, 2020
Background: Considering the importance of photoneutron production in linear accelerators, it is necessary to describe and measure the photoneutrons produced around modern linear accelerators.
H Dowlatabadi, A A Mowlavi, M Ghorbani, S Mohammadi, C Knaup   +4 more
doaj   +1 more source

Acceleration of electrons in the plasma wakefield of a proton bunch [PDF]

Nature, 2018
High-energy particle accelerators have been crucial in providing a deeper understanding of fundamental particles and the forces that govern their interactions.
E. Adli, Arun Ahuja, O. Apsimon, O. Apsimon, R. Apsimon, A. Bachmann, A. Bachmann, A. Bachmann, Diego Barrientos, F. Batsch, F. Batsch, F. Batsch, J. Bauche, V. Olsen, M. Bernardini, T. Bohl, C. Bracco, F. Braunmüller, G. Burt, B. Buttenschön, A. Caldwell, M. Cascella, J. Chappell, E. Chevallay, M. Chung, D. Cooke, H. Damerau, L. Deacon, L. Deubner, A. Dexter, S. Doebert, J. Farmer, V. Fedosseev, R. Fiorito, Ricardo A. Fonseca, F. Friebel, L. Garolfi, S. Gessner, I. Gorgisyan, A. Gorn, A. Gorn, Eduardo Granados, O. Grulke, O. Grulke, E. Gschwendtner, J. Hansen, A. Helm, J. R. Henderson, M. Hüther, M. Ibison, L. Jensen, S. Jolly, F. Keeble, Shinseog Kim, F. Kraus, Yichen Li, Yichen Li, S. Liu, N. Lopes, K. Lotov, K. Lotov, L. Brun, M. Martyanov, S. Mazzoni, D. Godoy, V. A. Minakov, V. A. Minakov, James Mitchell, J. Molendijk, J. Moody, M. Moreira, M. Moreira, P. Muggli, P. Muggli, E. Öz, C. Pasquino, A. Pardons, F. Asmus, F. Asmus, K. Pepitone, A. Perera, A. Petrenko, A. Petrenko, S. Pitman, A. Pukhov, S. Rey, K. Rieger, H. Ruhl, Janet Schmidt, I. Shalimova, P. Sherwood, Luís O. Silva, L. Soby, A. Sosedkin, A. Sosedkin, R. Speroni, R. Spitsyn, R. Spitsyn, P. Tuev, P. Tuev, M. Turner, F. Velotti, L. Verra, L. Verra, V. Verzilov, J. Vieira, C. Welsch, B. Williamson, B. Williamson, M. Wing, B. Woolley, G. Xia, G. Xia   +112 more
semanticscholar   +1 more source

Coherent control of single electrons: a review of current progress [PDF]

Reports on progress in physics. Physical Society, 2018
In this report we review the present state of the art of the control of propagating quantum states at the single-electron level and its potential application to quantum information processing.
C. Bäuerle, D. Glattli, T. Meunier, F. Portier, P. Roche, P. Roulleau, S. Takada, S. Takada, X. Waintal   +8 more
semanticscholar   +1 more source

Controlling free electrons with optical whispering-gallery modes [PDF]

Nature, 2019
Free-electron beams are versatile probes of microscopic structure and composition1,2, and have revolutionized atomic-scale imaging in several fields, from solid-state physics to structural biology3.
O. Kfir, H. Lourenço-Martins, G. Storeck, M. Sivis, Tyler R. Harvey, T. Kippenberg, A. Feist, C. Ropers   +7 more
semanticscholar   +1 more source

Direct observation of tensile-strain-induced nanoscale magnetic hardening

Nature Communications, 2023
Magnetoelasticity is the bond between magnetism and mechanics, but the intricate mechanisms via which magnetic states change due to mechanical strain remain poorly understood.
Deli Kong, András Kovács, Michalis Charilaou, Fengshan Zheng, Lihua Wang, Xiaodong Han, Rafal E. Dunin-Borkowski   +6 more
doaj   +1 more source

Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix

Acta Crystallographica Section D: Structural Biology, 2019
Recent developments in the Phenix software package are described in the context of macromolecular structure determination using X-rays, neutrons and electrons.
D. Liebschner, P. Afonine, M. Baker, G. Bunkoczi, Vincent B. Chen, T. Croll, B. Hintze, L. Hung, Swati Jain, A. McCoy, N. Moriarty, R. Oeffner, B. Poon, M. G. Prisant, Randy J. Read, J. Richardson, D. Richardson, M. Sammito, O. Sobolev, Duncan H. Stockwell, T. Terwilliger, A. Urzhumtsev, Lizbeth L. Videau, Christopher J. Williams, P. Adams   +24 more
semanticscholar   +1 more source

EVIDENCE OF THE EARTH’S INNER RADIATION BELTS DURING THE LOW SOLAR AND GEOMAGNETIC ACTIVITY OBTAINED WITH THE STEP-F INSTRUMENT [PDF]

Radio Physics and Radio Astronomy, 2021
Purpose: The subject of research is the spatio-temporal charged particles in the Earth’s magnetosphere outside the South Atlantic magnetic Anomaly during the 11-year cycle of solar activity minimum.
O. V. Dudnik, O. V. Yakovlev
doaj   +1 more source

Hydrodynamics of electrons in graphene [PDF]

Journal of Physics: Condensed Matter, 2017
Generic interacting many-body quantum systems are believed to behave as classical fluids on long time and length scales. Due to rapid progress in growing exceptionally pure crystals, we are now able to experimentally observe this collective motion of ...
A. Lucas, K. Fong
semanticscholar   +1 more source

Learning cellular morphology with neural networks

Nature Communications, 2019
Volume electron microscopy data of brain tissue can tell us much about neural circuits, but increasingly large data sets demand automation of analysis. Here, the authors introduce cellular morphology neural networks and successfully automate a range of ...
Philipp J. Schubert, Sven Dorkenwald, Michał Januszewski, Viren Jain, Joergen Kornfeld   +4 more
doaj   +1 more source

Acute Toxicity and Early Oncological Outcomes After Intraoperative Electron Radiotherapy (IOERT) as Boost Followed by Whole Breast Irradiation in 157 Early Stage Breast Cancer Patients—First Clinical Results From a Single Center

Frontiers in Oncology, 2019
Introduction: Breast conserving surgery (BCS) followed by postoperative whole breast irradiation (WBI) is the current standard of care for early stage breast cancer patients.
Laila König, Laila König, Kristin Lang, Kristin Lang, Jörg Heil, Michael Golatta, Gerald Major, Gerald Major, David Krug, David Krug, David Krug, Juliane Hörner-Rieber, Juliane Hörner-Rieber, Matthias F. Häfner, Matthias F. Häfner, Stefan A. Koerber, Stefan A. Koerber, Semi Harrabi, Semi Harrabi, Tilman Bostel, Tilman Bostel, Tilman Bostel, Jürgen Debus, Jürgen Debus, Matthias Uhl, Matthias Uhl   +25 more
doaj   +1 more source