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Neutral atoms recycled from wall interaction interact with confined plasma, thereby refueling it, most strongly in the region closest to the wall. This occurs near the X-point in diverted configurations, or else near the wall itself in…

Plasma Physics · Physics 2026-02-11 George J. Wilkie

Interstellar matter is known to be strongly irradiated by radiation and several types of cosmic ray particles. Simulated interstellar matter, such as forsterite $\rm Mg_{2}SiO_{4}$, enstatite $\rm MgSiO_{3}$ and magnesite $\rm MgCO_{3}$ has…

Astrophysics · Physics 2016-08-30 K. Koike , M. Nakagawa , C. Koike , M. Okada , H. Chihara

We present a technique based on high resolution imaging to measure the absolute temperature and the heating rate of a single ion trapped at the focus of a deep parabolic mirror. We collect the fluorescence light scattered by the ion during…

The Subarcsecond Telescope And BaLloon Experiment, STABLE, is the fine stage of a guidance system for a high-altitude ballooning platform designed to demonstrate subarcsecond pointing stability, over one minute using relatively dim guide…

Instrumentation and Methods for Astrophysics · Physics 2017-02-15 Michael Borden , Derek Lewis , Hared Ochoa , Laura Jones-Wilson , Sara Susca , Michael Porter , Richard Massey , Paul Clark , Barth Netterfield

Observed X-ray spectra of some isolated magnetized neutron stars display absorption features, sometimes interpreted as ion cyclotron lines. Modeling the observed spectra is necessary to check this hypothesis and to evaluate neutron star…

Solar and Stellar Astrophysics · Physics 2009-07-03 V. F. Suleimanov , A. Y. Potekhin , K. Werner

The planned neutrino program at Fermilab requires large proton beam intensities in excess of 2 MW. Measuring the transverse profiles of these high intensity beams is challenging and often depends on non-invasive techniques. One such…

Accelerator Physics · Physics 2018-03-06 R. Thurman-Keup , M. Alvarez , J. Fitzgerald , C. Lundberg , P. Prieto , J. Zagel , W. Blokland

Neutron beam monitors with high efficiency, low gamma sensitivity, high time and space resolution are required in neutron beam experiments to continuously diagnose the delivered beam. In this work, commercially available neutron beam…

Instrumentation and Detectors · Physics 2017-10-04 F. Issa , A. Khaplanov , R. Hall-Wilton , I. Llamas , M. Dalseth Riktor , S. R. Brattheim , H. Perrey

The ITER Heating Neutral Beam (HNB) injector is required to deliver 16.7 MW power into the plasma from a neutralised beam of H-/D- negative ions, produced by an RF source and accelerated up to 1 MeV. To enhance the H-/D- production, the…

Plasma Physics · Physics 2022-11-04 M. Barbisan , R. Pasqualotto , A. Rizzolo

Charting the Epoch of Reionization demands robust assessments of what drives the production of ionizing photons in high-redshift star-forming galaxies (SFGs), and requires better predictive capabilities from current observations. Using a…

Neutron interferometry enables precision measurements that are typically operated within elaborate, multi-layered facilities which provide substantial shielding from environmental noise. These facilities are necessary to maintain the…

A spectrally tunable VCSEL (vertical cavity surface-emitting laser) was used as part of sensing hardware for measurements of the radial-integrated gas temperature inside an inductively coupled plasma reactor. The data were obtained by…

Plasma Physics · Physics 2009-10-06 Alexander A. Bol'shakov , Brett A. Cruden , Surendra P. Sharma

Storage rings have been employed over three decades in various kinds of nuclear and atomic physics experiments with highly charged ions. Storage ring operation and precision physics experiments benefit from the availability of beam cooling…

Nuclear Experiment · Physics 2020-10-28 Markus Steck , Yuri A. Litvinov

Many astrophysical environments such as X-ray binaries, active galactic nuclei, and accretion disks of compact objects have photoionized plasmas. The strong photoionizing environment found near these bright X-ray sources can be produced in…

Plasma Physics · Physics 2018-12-26 Pawel M. Kozlowski , Roberto C. Mancini , Mark E. Koepke

A prototype plastic scintillating fibre based beam profile monitor was tested at the Heidelberg Ion Therapy Centre / \textit{Heidelberg Ionenstrahl Therapiezentrum} (HIT) in 2016 to determine its beam property reconstruction performance and…

Instrumentation and Detectors · Physics 2018-06-27 B. D. Leverington , M. Dziewiecki , L. Renner , R. Runze

Combining resolved spectroscopy with deep imaging, XMM-Newton is providing new insights on the particle acceleration processes long known to be at work in the magnetospheres of isolated neutron stars. According to a standard theoretical…

Astrophysics · Physics 2007-05-23 Patrizia A. Caraveo

We introduce a primary thermometer which measures the temperature of a Bose-Einstein Condensate in the sub-nK regime. We show, using quantum Fisher information, that the precision of our technique improves the state-of-the-art in…

Quantum Physics · Physics 2014-09-23 Carlos Sabín , Angela White , Lucia Hackermuller , Ivette Fuentes

Recent publications have described a method for stand-off optical detection of explosives using resonant infra-red photothermal imaging. This technique uses tuned lasers to selectively heat small particles of explosive lying on a substrate…

Materials Science · Physics 2011-02-18 Philip Cassady

Trivalent lanthanide ion-doped nanoparticles are widely employed as nanoscale thermometers, driving rapid advancements in real-world applications. When the Luminescence Intensity Ratio (LIR) technique is used, these thermometric systems…

Chemical Physics · Physics 2025-06-10 Allison R. Pessoa , Leonardo de S. Menezes , Anderson M. Amaral

Chandra or XMM-Newton observations of quiescent low-mass X-ray binaries can provide important constraints on the equation of state of neutron stars. The mass and radius of the neutron star can potentially be determined from fitting a…

Astrophysics · Physics 2008-11-26 P. G. Jonker
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