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Accurate beam alignment is a critical challenge in XL-MIMO systems, especially in the near-field regime, where conventional far-field assumptions no longer hold. Although 2D grid-based codebooks in the polar domain are widely accepted for…

Signal Processing · Electrical Eng. & Systems 2025-02-27 Hongjun Heo , Wan Choi

We introduce a methodology for analysis of multiwavelength data from X-ray selected BL Lac (XBL) objects detected in the TeV regime. By assuming that the radio--through--X-ray flux from XBLs is nonthermal synchrotron radiation emitted by…

Astrophysics · Physics 2009-11-13 Justin Finke , Charles Dermer , Markus Boettcher

In semiconductor-based quantum technologies, the capability to shuttle charges between components is profoundly enabling. We numerically simulated various "conveyor-belt" shuttling scenarios for simple Si/SiO2 devices, explicitly modelling…

Mesoscale and Nanoscale Physics · Physics 2025-04-03 Minjun Jeon , Simon C. Benjamin , Andrew J. Fisher

Synchrotron photon spectrum in heavy-ion collisions is computed taking into account the spatial and temporal structure of magnetic field. It is found that a significant fraction of photon excess in heavy-ion collisions in the region…

Nuclear Theory · Physics 2015-06-22 Kirill Tuchin

Characterization measurements of $25~\mathrm{\mu m} \times 25~\mathrm{\mu m}$ pitch 3D silicon sensors are performed, for devices with active thickness of $150~\mu$m. Evidence of charge multiplication caused by impact ionization below the…

Instrumentation and Detectors · Physics 2024-11-19 Andrew Gentry , Maurizio Boscardin , Martin Hoeferkamp , Marco Povoli , Sally Seidel , Jiahe Si , Gian-Franco Dalla Betta

Fermilab Booster synchrotron requires an intensity upgrade from 4.5x1012 to 6.5x1012 protons per pulse as a part of Fermilabs Proton Improvement Plan-II (PIP-II). One of the factors which may limit the high-intensity performance is the fast…

Accelerator Physics · Physics 2022-08-10 S. A. K. Wijethunga , J. Eldred , C. Y. Tan , E. Pozdeyev

In this article, the effect a moving target has on the signal-to-interference-plus-noise-ratio (SINR) for high time-bandwidth noise radars is investigated. To compensate for cell migration we apply a computationally efficient stretch…

Signal Processing · Electrical Eng. & Systems 2024-05-03 Martin Ankel , Robert S. Jonsson , Mats Tholen , Tomas Bryllert , Lars M. H. Ulander , Per Delsing

Using multi-channel time-resolved current measurements (multi TCT), the charge collection of p+n silicon strip sensors for electron-hole pairs produced close to the Si-SiO2 interface by a focussed sub-nanosecond laser with a wavelength of…

Instrumentation and Detectors · Physics 2013-01-01 Thomas Poehlsen , Eckhart Fretwurst , Robert Klanner , Sergej Schuwalow , Jörn Schwandt , Jiaguo Zhang

On the basis of the modern understanding of MHD turbulence, we propose a new way of using synchrotron radiation, namely using synchrotron intensity gradients for tracing astrophysical magnetic fields. We successfully test the new technique…

Astrophysics of Galaxies · Physics 2018-03-21 A. Lazarian , Ka Ho Yuen , Hyeseung Lee , Jungyeon Cho

Operando synchrotron X-ray techniques have become essential tools for investigating rechargeable batteries as they provide real-time insights into electrochemical processes. However, the high brilliance of synchrotron radiation can alter…

We present the first three-dimensional MHD radio galaxy simulations that explicitly model transport of relativistic electrons, including diffusive acceleration at shocks as well as radiative and adiabatic cooling in smooth flows. We discuss…

Astrophysics · Physics 2009-11-06 I. L. Tregillis , T. W. Jones , Dongsu Ryu

One of the possible ways to maintain the micrometer spatial resolution while performing ion beam analysis in the air is to increase the energy of ions. In order to explore capabilities and limitations of this approach, we have tested a…

Instrumentation and Detectors · Physics 2019-03-13 Milko Jakšić , Davit Chokheli , Stjepko Fazinić , Veljko Grilj , Natko Skukan , Ivan Sudić , Tonči Tadić , Tome Antičić

Extending terrestrial networks into low-altitude airspace is a practical way to support aerial services, and accurate low-altitude radio maps are essential for characterizing terrestrial base station (BS) coverage and guiding system design.…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Bowen Li , Haotian Zhang , Mu Jia , Junting Chen , Nikolaos Pappas

For the purpose of treatment of various cancer and medical research, the synchrotron based medical machine under the Korea Heavy Ion Medical Accelerator (KHIMA) project have been conducted and is going to treat the patient at the beginning…

Accelerator Physics · Physics 2016-11-29 Chawon Park , Heejoong Yim , Garam Hahn , Dong Hyun An

An approximate analytic solution is constructed for the 2-d space charge limited emission by a cathode surrounded by non emitting conducting ledges of width Lambda. An essentially exact solution (via conformal mapping) of the electrostatic…

Plasma Physics · Physics 2009-11-10 A. Rokhlenko , Joel L. Lebowitz

To assess the degree of equilibration of the matter created in heavy-ion reactions at low to intermediate beam energies, a hadronic transport approach (SMASH) is employed. By using a coarse-graining method, we compute the energy momentum…

High Energy Physics - Phenomenology · Physics 2022-09-12 Gabriele Inghirami , Hannah Elfner

PSI operates a cyclotron based high intensity proton accelerator routinely at an average beam power of 1.3MW. With this power the facility is at the worldwide forefront of high intensity proton accelerators. The beam current is practically…

Accelerator Physics · Physics 2015-03-17 Y. J. Bi , A. Adelmann , R. Dölling , M. Humbel , W. Joho , M. Seidel , T. J. Zhang

A magnetized large-volume liquid scintillator might be used as a tracking detector with charge identification to measure high-energy neutrinos. I consider neutrino oscillations for a beam from a low-energy neutrino factory to such a…

High Energy Physics - Phenomenology · Physics 2009-12-15 Juha Peltoniemi

During low-energy operations below the regular injection energy in the Relativistic Heavy Ion Collider (RHIC), significant beam lifetime reductions due to the beam-beam interaction in conjunction with large space charge tune shifts have…

Accelerator Physics · Physics 2014-10-16 C. Montag , A. Fedotov