A5076938416- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Fusion materials and technologies
- Neutrino Physics Research
- Particle Detector Development and Performance
- Superconducting Materials and Applications
- Graphite, nuclear technology, radiation studies
- Nuclear Physics and Applications
- Astrophysics and Cosmic Phenomena
- Nuclear Materials and Properties
- Muon and positron interactions and applications
- Radiation Effects in Electronics
- Radiation Detection and Scintillator Technologies
- Ion-surface interactions and analysis
- Particle physics theoretical and experimental studies
- Metal and Thin Film Mechanics
- Radiation Therapy and Dosimetry
- Plasma Diagnostics and Applications
- Graphene research and applications
- Nuclear reactor physics and engineering
- Nuclear and radioactivity studies
- Electrostatic Discharge in Electronics
- Electron and X-Ray Spectroscopy Techniques
- Planetary Science and Exploration
- Semiconductor materials and devices
Fermi National Accelerator Laboratory
2014-2024
Target (United States)
2021
Japan Proton Accelerator Research Complex
2019
Pacific Northwest National Laboratory
2018
Fermi Research Alliance
2004
Universities Research Association
2002
SLAC National Accelerator Laboratory
2002
Designing a reliable target is already challenge for MW-class facilities today and has led several major accelerator to operate at lower than design power due concerns. With present plans increase beam next generation in the decade, timely R D support of robust high targets critical secure full physics benefits ambitious upgrades. A comprehensive program must be implemented address many complex challenges faced by multi MW intercepting devices. This roadmap envisioned helpful DOE-OHEP office...
Abstract The Facility for Rare Isotope Beams (FRIB) began operation with 1 kW beam power scientific users in May 2022 upon completion of 8 years project construction. ramp-up to the ultimate 400 kW, planned over a 6-year period, will enable facility reach its full potential discovery isotope science and applications. In December 2023, record-high 10.4 uranium was delivered target. Technological developments accelerator improvements are being made entire key ramp-up. Major technological...
The lithium collection lens is a high current (greater than 0.5 MA), pulsed device used to focus antiprotons just downstream of the production target. Pre-mature failure these lenses has led extensive efforts, understand cause failures. One main unknowns structural behavior under such extreme loading conditions. Lithium can be categorized as soft or "plastic" solid with relatively low modulus elasticity and yield strength. Very little available on its nonlinear viscoplastic (rate dependent)...
A foil of a metastable β Titanium alloy Ti-15V-3Cr-3Sn-3Al was irradiated at the J-PARC neutrino experimental facility with 1.4 × 1020 30 GeV protons low temperature (100–130°C most), and microstructural characterization hardness testing were conducted as an initial study on radiation damage effects by high energy proton beam exposure. Expected center is about 0.06–0.12 displacement per atom. density (> 1023 m−3) nanometer-sized precipitate observed TEM studies, which would be identified...
In search of a low-Z pion production target for the Long Baseline Neutrino Facility (LBNF) Deep Underground Experiment (DUNE) four graphite grades were irradiated with protons in energy range 140--180 MeV, to peak fluence $\ensuremath{\sim}6.1\ifmmode\times\else\texttimes\fi{}{10}^{20}\text{ }\text{ }\mathrm{p}/{\mathrm{cm}}^{2}$ and irradiation temperatures between $120--200\text{ }\ifmmode^\circ\else\textdegree\fi{}\mathrm{C}$. The test array included POCO ZXF-5Q, Toyo-Tanso IG 430,...
The NT-02 neutrino physics target made of the isotropic graphite grade produced neutrinos for MINOS and MINERVA high-energy experiments. segmented, 95-cm-long was bombarded with a 340 kW, Gaussian 1.1 mm sigma beam 120 GeV protons reaching $6.516\ifmmode\times\else\texttimes\fi{}{10}^{20}$ on peak fluence $8.6\ifmmode\times\else\texttimes\fi{}{10}^{21}\text{ }\text{ }\mathrm{protons}/{\mathrm{cm}}^{2}$. Reductions in detected events during experiment were attributed to radiation-induced...
A high-strength dual alpha+beta phase titanium alloy Ti-6Al-4V is utilized as a material for beam windows in several accelerator target facilities. However, relatively little known about how properties of this are affected by high-intensity proton irradiation. With plans to upgrade neutrino facilities at J-PARC and Fermilab over 1 MW power, the radiation damage window will reach few displacements per atom (dpa) year, significantly above ~0.3 dpa level existing data. The RaDIATE collaboration...
Beryllium is a material extensively used in various particle accelerator beam lines and target facilities, as windows and, to lesser extent, secondary production targets. With increasing intensities of future multimegawatt these components will have withstand even greater thermal mechanical loads during operation. As result, it critical understand the beam-induced shock limit beryllium help reliably operate without having compromise efficiency by limiting parameters. part RaDIATE (radiation...
In many high energy physics neutrino beamlines, targets are made up of isotropic POCO graphite grade for production neutrinos particle research and bombarded with highly energetic pulsed proton beam. The beam a small size creates thermal stress waves as well radiation damage such displacement damage, void formation, swelling, gas formation amongst others. As result, after few years operation one the longest operated appears to have undergone bulk swelling fractured along centerline. A...
A comprehensive study on the effects of energetic protons carbon-fiber composites and compounds under consideration for use as low-Z pion production targets in future high-power accelerators low-impedance collimating elements intercepting TeV-level at Large Hadron Collider has been undertaken addressing two key areas, namely, thermal shock absorption resistance to irradiation damage. Carbon-fiber various fiber weaves have widely used aerospace industries due their unique combination high...
The Long Baseline Neutrino Facility (LBNF, formerly the Experiment) is under design as a next generation neutrino oscillation experiment, with primary objectives to search for CP violation in leptonic sector, determine mass hierarchy and provide precise measurement of θ23. facility will generate beam at Fermilab by interaction proton target material. At ultimate anticipated power 2.3 MW material must dissipate heat load between 10 25 kW depending on size. This paper presents concept based an...
The effect of ion irradiation on evolution microstructure and hardening beryllium with different impurity levels was investigated using TEM nanoindentation. High purity S-65 grade less-pure S-200-F were implanted by helium ions at temperatures 50°C 200°C. 11 energies used, so as to create a quasi-homogeneous 3 µm irradiated layer average radiation damage 0.1 dpa He content 2000 appm. Nanoindentation experiments demonstrated that before irradiation, the grades have an hardness 3.7±0.8 GPa...
Superconducting Radio‐Frequency (SRF) cavities containing cryogens under pressure pose a potential rupture hazard to equipment and personnel. Generally, vessels fall within the scope of ASME Boiler Pressure Vessel Code however, use niobium as material for SRF is beyond applicability Code. Fermilab developed guideline ensure sound engineering practices governing design, fabrication, testing, installation operation cavities. The objective reduce hazards achieve an equivalent level safety...
In order to double the integrated luminosity of Tevatron collider in next running period, a 4-8 GHz bunched beam betatron stochastic cooling system has been designed. The horizontal and vertical emittances protons antiprotons will be cooled counteract effects power supply noise, beam-beam interaction, intrabeam scattering. A proton prototype installed tested. addition, measurement results details hardware are reviewed.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML"...