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We describe a feasible implementation of a novel X-ray detector for highly energetic x-ray photons with a large solid angle coverage, optimal for the detection of Compton x-ray scattered photons. The device consists of a 20~cm-thick…

Instrumentation and Detectors · Physics 2022-01-27 Ángela Saá Hernández , Diego González-Díaz , Pablo Villanueva , Carlos Azevedo , Marcos Seoane

In future air-to-ground integrated networks, the scattering effects from ground-based scatterers, such as buildings, cannot be neglected in millimeter-wave and higher frequency bands, and have a significant impact on channel…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Yulu Guo , Tongjia Zhang , Shu Sun , Meixia Tao , Ruifeng Gao

We report on the design, production, and testing of advanced double-sided silicon strip detectors under development at the Max-Planck-Institute as part of the Medium Energy Gamma-ray Astronomy (MEGA) project. The detectors are designed to…

Astrophysics · Physics 2009-11-07 P. F. Bloser , F. Schopper , R. Andritschke , G. Kanbach , A. Zoglauer , P. Lechner

By considering a cylindrically symmetric generalization of a plane wave, the first Born approximation of screened Coulomb scattering unfolds two new dimensions in the scattering problem: transverse momentum and orbital angular momentum of…

Quantum Physics · Physics 2014-04-02 Ruben Van Boxem , Bart Partoens , Jo Verbeeck

The analyzing powers in proton-deuteron elastic and proton-neutron quasi-elastic scattering have been measured at small angles using a polarized proton beam at the COSY storage ring incident on an unpolarized deuterium target. The data were…

Various chips for the silicon sensors measurements are described. These chips are based on 0.35 um and 0.18um CMOS technology. Several analog chips together with self-trigger /derandomizer one allow to measure silicon sensors designed for…

Instrumentation and Detectors · Physics 2009-10-13 E. Atkin , A. Kluev , A. Silaev , A. Fedenko , D. Karmanov , M. Merkin , A. Voronin

We present a new method of determining the anisotropy of the gap function in layered high-Tc superconductors. Careful inelastic neutron scattering measurements at low temperature of the phonon dispersion curves in the (100) direction in…

Condensed Matter · Physics 2009-10-22 Michael E. Flatte

The E12-14-012 experiment performed at Jefferson Lab Hall A has collected inclusive electron-scattering data for different targets at the kinematics corresponding to beam energy 2.222 GeV and scattering angle 15.54 deg. Here we present a…

A series of Silicon crystal undulator samples were produced based on the approach presented in PRL 90 (2003) 034801, with the periods of undulation from 0.1 mm to 1 mm, and the number of periods on the order of 10. The samples were…

A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with…

Instrumentation and Detectors · Physics 2014-09-19 Xu Haibo , Zheng Na

Large constellations of orbiting communication satellites will become an important source of noise for present and future astronomical observatories. Mitigation measures rely on high quality predictive models of the position and expected…

Earth and Planetary Astrophysics · Physics 2022-07-27 K. Wiersema , P. Chote , J. Marchant , S. Covino , J. R. Maund , A. Agathanggelou , W. Feline , S. George , G. Privett , B. Simmons , I. A. Steele

Electron scattering on both neutral ($X$) and charged ($X^-$) excitons in quantum wells is studied theoretically. A microscopic model is presented, taking into account both elastic and dissociating scattering. The model is based on…

Condensed Matter · Physics 2009-11-07 G. Ramon , A. Mann , E. Cohen

Despite the widespread use of Scanning Transmission Electron Microscopy (STEM) for observing the structure of materials at the atomic scale, a detailed understanding of some relevant electron beam damage mechanisms is limited. Recent…

Over the last decade one of the most significant technological advances made in the field of radiation detectors for nuclear medicine was the development of Silicon Photomultipler (SiPM) sensors. At present a only small number of SiPM based…

Instrumentation and Detectors · Physics 2020-08-03 Jeremy M. C. Brown

The main objective of the present work is the development of an analytically tractable model of screened electron-electron and electron-exciton interactions in layered systems composed of two parallel semiconductor quantum wells separated…

Mesoscale and Nanoscale Physics · Physics 2011-10-14 Henni Ouerdane

We extend the Krylov-subspace based time-dependent numerical simulation technique for a qubit interacting with photons in a waveguide to the multiple qubit case. We analyze photon scattering from two qubits analytically and derive…

Quantum Physics · Physics 2016-05-24 Şükrü Ekin Kocabaş

X-ray detectors made of crystalline silicon have several advantages including low dark currents, fast charge collection and high energy resolution. For high-energy x-rays, however, silicon suffers from its low atomic number, which might…

Instrumentation and Detectors · Physics 2021-01-26 Moa Yveborg , Cheng Xu , Erik Fredenberg , Mats Danielsson

We propose a method to determine the running of $\alpha_{QED}$ from the measurement of small-angle Bhabha scattering. The method is suited to high statistics experiments at $e^{+} e^{-}$ colliders, which are equipped with luminometers in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Luca Trentadue

The scattering diameters of Sgr A* and several nearby OH masers (~ 1" at 1 GHz) indicate that a region of enhanced scattering is along the line of sight to the Galactic center. We combine radio-wave scattering data and free-free emission…

Astrophysics · Physics 2009-10-30 T. Joseph W. Lazio , James M. Cordes

Quasi-elastic scattering of 6He at E_lab=27 MeV from 197Au has been measured in the angular range of 6-72 degrees in the laboratory system employing LEDA and LAMP detection systems. These data, along with previously analysed data of 6He +…

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