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To elucidate the role of the Hall effect in magnetohydrodynamic (MHD) aerobraking in rarefied flows,we measured the radial distributions of electron temperature and density in front of a magnetized model in a rarefied argon arcjet wind…

Plasma Physics · Physics 2024-02-12 H. Katsurayama , R. Wada , K. Moriyama , K. Tomita

The formation of the radial electric field, $E_{\rm r}$ in the SOL has been experimentally studied for attached divertor conditions in stellarator W7-X. The main objective of this study is to test the validity in a complex 3D island…

RFI mitigation in Radioastronomy can be achieved adopting cryogenic filters in appropriate typologies. A study has been conducted in L, C and X band with the evaluation of the filter architecture in copper, with theoretical estimation,…

Astrophysics · Physics 2007-05-23 G. Tuccari , A. Caddemi , S. Barbarino , G. Nicotra , F. Consoli , F. Schilliro , F. Catalfamo

Recent experiments have introduced a new concept for analyzing the photoemission spectra of correlated electrons -- the remnant Fermi surface (rFs), which can be measured even in systems which lack a conventional Fermi surface. Here, we…

Superconductivity · Physics 2009-10-31 C. Kusko , R. S. Markiewicz

When a $\gamma$-ray interacts in a semiconductor detector, the resulting electron-hole charge clouds drift towards their respective electrodes for signal collection. These charge clouds will expand over time due to both thermal diffusion…

Instrumentation and Methods for Astrophysics · Physics 2023-04-20 Steven E. Boggs

We investigated the possibility of augmenting the fluence of electrons traversing CdTe thin film and thus increasing the detected signal pursuing two venues: adding a high-Z metal layer to the back of the detector surface, and adding a top…

Medical Physics · Physics 2023-01-11 Fatemeh Akbari , Diana Shvydka

The Laboratorio Subterra neo de Canfranc (LSC) is the national hub for low radioactivity techniques and the associated scientific and technological applications. The concentration of the airborne radon is a major component of the…

We use time-domain electromagnetic simulations to determine the spectral characteristics of the Hydrogen Epoch of Reionization Arrays (HERA) antenna. These simulations are part of a multi-faceted campaign to determine the effectiveness of…

Recently a new $\Delta$ method for deducing the energy and asymptotic normalization coefficient (ANC) from phase-shift data has been formulated and applied to resonance states. This differs from the conventional effective-range function…

Nuclear Theory · Physics 2020-12-02 Yu. V. Orlov

We present results from the SPring-8 Angstrom Compact free electron LAser (SACLA) XFEL facility, using a high intensity ($\sim\!10^{20}\,$W/cm$^2$) X-ray pump X-ray probe scheme to observe changes in the ionic structure of silicon induced…

Sustained ELM mitigation has been achieved on MAST and AUG using RMPs with a range of toroidal mode numbers over a wide region of low to medium collisionality discharges. The ELM energy loss and peak heat loads at the divertor targets have…

We present a novel method for minimizing the effects of radiative depolarization in electron storage rings by use of vertical orbit bumps in the arcs. Electron polarization is directly characterized by the RMS of the so-called spin orbit…

Accelerator Physics · Physics 2024-03-05 Matthew G. Signorelli , Yunhai Cai , Georg H. Hoffstaetter de Torquat

Deposition of $^{222}Rn$ daughters onto detector materials pose a risk to ultra-low background experiments. To mitigate this risk, a common approach is to enclose detector components in sealed plastic bags made of films known to be…

Instrumentation and Detectors · Physics 2021-01-22 Yue Meng , Jerry Busenitz , Andreas Piepke

The optimization of Kernel-Target Alignment (TA) has been recently proposed as a way to reduce the number of hardware resources in quantum classifiers. It allows to exchange highly expressive and costly circuits to moderate size, task…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Artur Miroszewski , Jakub Mielczarek , Filip Szczepanek , Grzegorz Czelusta , Bartosz Grabowski , Bertrand Le Saux , Jakub Nalepa

A Resistive Plate Chamber using Diamond-Like Carbon electrodes (DLC-RPC) has been developed as a background tagging detector in the MEG$~$II experiment. The DLC-RPC is planned to be installed in a high-intensity and low-momentum muon beam.…

Instrumentation and Detectors · Physics 2025-06-13 Masato Takahashi , Sei Ban , Weiyuan Li , Atsuhiko Ochi , Wataru Ootani , Atsushi Oya , Hiromu Suzuki , Kensuke Yamamoto

An innovative digital Low-Level RF (LLRF) family has been developed at CERN and deployed on several circular machines. Operation of CERN's PS Booster (PSB), Low Energy Ion Ring (LEIR) and Extra Low ENergy Antiproton (ELENA) ring all reaped…

Accelerator Physics · Physics 2019-10-16 M. E. Angoletta , S. Albright , A. Findlay , V. R. Myklebust , M. Jaussi , J. C. Molendijk , N. Pittet

Correlations between charged particles in deep inelastic ep scattering have been studied in the Breit frame with the ZEUS detector at HERA using an integrated luminosity of 6.4 pb-1. Short-range correlations are analysed in terms of the…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We describe a beta electron spectrometer for use in an upcoming experiment that will measure the beta-antineutrino correlation coefficient (a-coefficient) in neutron beta decay. Electron energy is measured by a thick plastic scintillator…

Electromagnetic interference (EMI) is a significant challenge for low-field MRI systems operating without conventional Faraday-shielded rooms. Traditional EMI mitigation approaches include external shields, subject grounding via electrodes,…

Medical Physics · Physics 2026-05-26 Julia Pfitzer , Martin Uecker , Hermann Scharfetter

The decay of common radioactive gases, such as radon, produces stable isotopes by a sequence of daughter particles with varied half-lives. These daughter particles are a significant source of gamma, neutron, and alpha particle backgrounds…

Instrumentation and Detectors · Physics 2015-09-02 M. Bruemmer , M. Nakib , R. Calkins , J. Cooley , S. Sekula