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The Beam Dump Facility (BDF) is a project for a new facility at CERN dedicated to high intensity beam dump and fixed target experiments. Currently in its design phase, the first aim of the facility is to search for Light Dark Matter and…

The magnetic moment and magnetization in GaAs/Ga$_{0.84}$In$_{0.16}$As/GaAs heterostructures with Mn deluted in GaAs cover layers and with atomically controlled Mn $\delta$-layer thicknesses near GaInAs-quantum well ($\sim$3 nm) in…

Materials Science · Physics 2015-06-22 T. Charikova , V. Okulov , A. Gubkin , A. Lugovikh , K. Moiseev , V. Nevedomsky , Yu. Kudriavstev , S. Gallardo , M. Lopez

Ionization chambers are essential for activity determinations in radionuclide metrology. We have developed a high-precision integrating-differentiating (int-diff) system for measuring small currents. It is anticipated to enhance the…

Instrumentation and Detectors · Physics 2025-03-06 Shunyi Liang , Juncheng Liang , Kezhu Song , Yijie Jiang , Zhijie Yang

Two-dimensional crystals have emerged as a new class of materials with novel properties that may impact future technologies. Experimentally identifying and characterizing new functional two-dimensional materials in the vast material pool is…

Materials Science · Physics 2015-06-18 Likai Li , Yijun Yu , Guo Jun Ye , Qingqin Ge , Xuedong Ou , Hua Wu , Donglai Feng , Xian Hui Chen , Yuanbo Zhang

The diatomic molecule radium monofluoride (RaF) has recently been proposed as a versatile probe for physics beyond the current standard model. Herein, a route towards production of a RaF molecular beam via radium ions is proposed. It takes…

Chemical Physics · Physics 2013-11-22 T. A. Isaev , S. Hoekstra , L. Willmann , R. Berger

The Long Baseline Neutrino Facility (LBNF) will produce the worlds most intense neutrino beam. Three series connected magnetic horns will require 5kV, 300kA, 800$\mu$s pulses at a rate of 0.7Hz to focus the beam. Fermilab has designed and…

Accelerator Physics · Physics 2022-07-07 C. C. Jensen , T. Omark , H. Pfeffer , K. Roon , J. Hugyik , B. Morris

A system of permanent magnet quadrupoles (PMQs) is going to be realized by INFNLNS to be used as a collection system for the injection of laser driven ion beams up to 60 AMeV in an energy selector based on four resistive dipoles. This…

In Penning traps electromagnetic forces are used to confine charged particles under well-controlled conditions for virtually unlimited time. Sensitive detection methods have been developed to allow observation of single stored ions. Various…

Atomic Physics · Physics 2022-03-16 Klaus Blaum , Sergey Eliseev , Sven Sturm

We study the controlled introduction of defects in GaMnAs by irradiating the samples with energetic ion beams, which modify the magnetic properties of the DMS. Our study focuses on the low-carrier-density regime, starting with as-grown…

Disordered Systems and Neural Networks · Physics 2010-06-14 E. H. C. P. Sinnecker , G. M. Penello , T. G. Rappoport , M. M. Sant'Anna , D. E. R. Souza , M. P. Pires , X. Liu , J. K. Furdyna

Simultaneous measurements of the small-, intermediate- and large- positive ions and air earth current density made at a coastal station, Maitri at Antarctica during January to February 2005, are reported. Although, small and large positive…

Atmospheric and Oceanic Physics · Physics 2009-06-01 Devendraa Siingh , V Pant , A K Kamra

A simulation model and design of Titanium Manganese Redox Flow Battery (TMRFB) is proposed to study the distribution of dissociation rate, overpotential, current density, and electrode potential. TMRFB is one of the most promising new…

Materials Science · Physics 2022-09-22 Anupam Saha , Shinthia Binte Eskender

The new FNAL 750keV injector upgrade for the replacement of the 40 year old Fermi National Laboratory (FNAL) Cockcroft-Walton accelerators with a new ion source and 200MHz Radio Frequency Quadrupole (RFQ), Low Energy Beam Transport (LEBT)…

Accelerator Physics · Physics 2015-06-12 D. S. Bollinger

The Multipurpose Detector (MPD) \cite{cite1.MPD_CDR} is designed to study of hot and dense baryonic matter in collisions of heavy ions over the atomic mass range 1--197 at the centre of mass energy up to $\sqrt{S_{NN}}$ = 11 GeV (for…

While magnetic confinement fusion (MCF) and inertial confinement fusion (ICF) remain the primary routes toward controlled fusion, progress is still constrained by energy loss, plasma instabilities, and the cost and complexity of large-scale…

Plasma Physics · Physics 2026-04-13 Yinjian Zhao , Zhe Liu , Qiang Sun , Qianhong Zhou , Guangrui Sun

After the electromagnetic generator, searching for novel electric generators without strong magnetic field is highly demanded. The generator without strong magnetic field calls for a physical picture distinct from the traditional…

Applied Physics · Physics 2019-12-04 Yanghua Lu , Sirui Feng , Zhenzhen Hao , Runjiang Shen , Shisheng Lin

A new methodology for fundamental studies of radiation effects in solids is herein introduced by using a plasma Focused Ion Beam (PFIB). The classical example of ion-induced amorphization of single-crystalline pure Si is used as a…

Materials Science · Physics 2022-09-09 M. A. Tunes , M. M. Schneider , C. A. Taylor , T. A. Saleh

Counting the number and brightness of ionizing radiation sources out to a redshift of z ~ 1.2 will revolutionize our understanding of how the ionizing background is created and sustained by the embedded growth of meta-galactic structures.…

Instrumentation and Methods for Astrophysics · Physics 2025-09-17 Stephan R. McCandliss , Swara Ravindranath , Sangeeta Malhotra , Chris Packham , Sophia Flury , Alexandra Le Reste , Allison Strom , Marc Postman , John OMeara

We examine the effect of laser focusing on the potential of a recently discussed scheme [M.F. Ciappina {\em et al}, Phys. Rev. A 99, 043405 (2019); Las. Phys. Lett. 17, 025301 (2020)] for in situ determination of ultra-high intensities of…

Atomic Physics · Physics 2020-02-27 M. F. Ciappina , E. E. Peganov , S. V. Popruzhenko

A staged approach towards muon based facilities for Intensity and Energy Frontier science, building upon existing and proposed facilities at Fermilab, is presented. At each stage, a facility exploring new physics also provides an R&D…

We demonstrate one-dimensional nuclear magnetic resonance imaging of the semiconductor GaAs with 170 nanometer slice separation and resolve two regions of reduced nuclear spin polarization density separated by only 500 nanometers. This is…

Instrumentation and Detectors · Physics 2009-11-07 Kent R. Thurber , Lee E. Harrell , Doran D. Smith