A5105766185- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Superconducting Materials and Applications
- Dark Matter and Cosmic Phenomena
- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Neutrino Physics Research
- Computational Physics and Python Applications
- Physics of Superconductivity and Magnetism
- Cosmology and Gravitation Theories
- Superconductivity in MgB2 and Alloys
- Magnetic confinement fusion research
- Medical Imaging Techniques and Applications
- Distributed and Parallel Computing Systems
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Spacecraft and Cryogenic Technologies
- Astrophysics and Cosmic Phenomena
- Advanced Data Storage Technologies
- Black Holes and Theoretical Physics
- Muon and positron interactions and applications
- Electric Motor Design and Analysis
- Magnetic Properties and Applications
European Organization for Nuclear Research
2016-2025
Institute of Science and Technology
2023-2024
Northern Illinois University
2021-2024
A. Alikhanyan National Laboratory
2024
Institute of High Energy Physics
2024
Atlas Scientific (United States)
2024
Institute for High Energy Physics
2023-2024
The University of Adelaide
2022-2023
University of California, Santa Cruz
2023
University of Colorado Boulder
2016
With the first tokamak designed for full nuclear operation now well into final assembly (ITER), and a major new research starting commissioning (JT60SA), fusion is becoming mainstream potential energy source future. A critical part of viability magnetic confinement superconductor technology. The experience gained lessons learned in application this technology to ITER JT60SA, together with improved superconducting materials, opening multiple routes commercial reactors. objective roadmap is,...
A bstract This article describes BabyIAXO, an intermediate experimental stage of the International Axion Observatory (IAXO), proposed to be sited at DESY. IAXO is a large-scale axion helioscope that will look for axions and axion-like particles (ALPs), produced in Sun, with unprecedented sensitivity. BabyIAXO conceived test all subsystems (magnet, optics detectors) relevant scale final system thus serve as prototype IAXO, but same time fully-fledged physics reach itself, potential discovery....
Abstract The High Luminosity Large Hadron Collider (HL-LHC) is the new flagship project of CERN. First endorsed in 2013 and approved 2016, HL-LHC an upgrade accelerator aiming to increase by a factor ten statistics LHC collisions at horizon 2035–2040. relies on cutting edge technologies: among them, large aperture superconducting magnets will replace present hardware allow smaller beam size two interaction points (IPs). involves construction about 150 six different types: quadrupole triplet,...
Various superconducting detector solenoids for particle physics have been developed in the world. The key technology is aluminum-stabilized conductor almost all magnets experiments. With progress of conductor, coil fabrication has progressed as well, such inner winding technique, indirect cooling, transparent vacuum vessel, quench protection scheme using pure aluminum strips and so on. design study future big projects Japan Europe, that is, ILC, FCC CLIC, based on technologies established...
The European Organization for Nuclear Research (CERN) is developing high-current ReBCO-CORC strand-based cables use in future large-scale detector magnets.A six-aroundone, forced flow gas-cooled cable-in-conduit conductor (CICC) envisioned application magnets operating the 20-40 K temperature range.A CICC, rated 45 kA at 4.2 and 10 T, designed production.The CICC comprises a cable of six CORC strands helically wound around tube.The has an expected current density 105 A/mm 2 T/4.2 K, which...
We describe the magnet challenges for a Muon Collider, an exciting option considered future of particle physics at energy frontier. Starting from comprehensive work performed by US Accelerator Program, we have reviewed performance specifications dictated beam and operating conditions to satisfy accelerator needs. Among many magnets that make up muon collider, identified four systems represent well envelope challenges: target capture solenoid, final cooling dipoles collider dipoles. These...
Simulating the transient effects occurring in superconducting accelerator magnet circuits requires including mutual electro-thermo-dynamic interaction among circuit elements, such as power converters, magnets, and protection systems. Nevertheless, numerical analysis is traditionally done separately for each element circuit, leading to possible non-consistent results. We present STEAM, a hierarchical co-simulation framework featuring waveform relaxation method. The simulates complex system...
The large hadron collider (LHC) upgrade, called high-luminosity LHC is planned for the next decade. A wide range of magnets and new technologies are currently under development. One these systems will be a set twin aperture beam orbit correctors positioned on approaches to ATLAS CMS experiments. This magnet system comprising 16 magnets, approximately 2 m long, with 105-mm clear coils. Each independently deliver 5-T·m integral field, between apertures field vectors rotated by 90° from each...
CERN is developing high-current ReBCO conductor on round core (CORC) cables for application in future detector and accelerator magnets. A characterization test a ReBCO-CORC cable sample its joints performed the 10-T FRESCA facility at CERN. The taken from first 12-m-long CORC production. Key of field- temperature-dependent critical currents 1.9 K 4.2 K. Secondary objectives include evaluating response to quenches performance cylindrical low resistive terminals especially designed...
Within the context of EP R&D, CERN is developing a high-temperature superconducting (HTS) conductor for future detector magnet projects. The features Rare-Earth Barium Copper Oxide (REBCO) tapes soldered to copper-coated high-purity aluminium stabilizer. Critical currents 200 mm long straight cable samples measured with various numbers REBCO at 77 K are consistent empirical scaling formulas critical current within 10%. A few percent deviations expected arise from variation along length HTS...
The European Organization for Nuclear Research (CERN) is developing a six-around-one conductor on round core (CORC)-strand-based cable-in-conduit (CICC) use in detector and other large magnet systems. CICC comprises six ReBCO-CORC strands helically wound around central tube or rod inserted square aluminum jacket. A major design challenge finding simple yet low-resistive method of injecting current homogeneously into the CORC CICC. In production joints single-CORC cables, we are currently...
A high-temperature superconducting (HTS) cable for future particle detector magnets has been developed using a 99.3% pure aluminium alloy as stabilizer the HTS. This HTS conductor features stack of four ReBCO tapes (4 mm wide, SuperOx) soldered to tin-coated copper-clad profile tin–lead solder at 188 <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula> C. Here, we...
An aggressive low-mass and high-stress design of a very large detector magnet assembly for the Future Circular Collider (FCC-hh), consisting “twin solenoid” two dipoles, is presented. The twin solenoid features concentric solenoids. inner provides 6 T over free bore 12 m length 20 m, enclosing particle trackers electron hadron calorimeters. outer reduces stray field additional bending power high-quality muon tracking. Dipoles are included, providing 10 · in 6-m mean covering forward...
Screening currents are field-induced dynamic phenomena which occur in superconducting materials, leading to persistent magnetization. Such of importance ReBCO tapes, where the large size filaments gives rise strong magnetization phenomena. In consequence, accelerator magnets based on tapes might experience a relevant degradation magnetic field quality magnet aperture, eventually particle beam instabilities. Thus, need be accurately evaluated. this paper, 2D finite element model...
Particle physics experiments make use of magnetic fields up to <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$4 \,\mathrm{T}$</tex-math></inline-formula> bend electrically charged particles such that their charge and momentum can be determined. The particle energy measurement requires a low amount material, or material is highly transparent inside the calorimeter volume. conflict between small volume space...
Achieving the targets of High Luminosity LHC project requires installation new inner triplet magnet circuits for final focusing particle beams on each side two main interaction points. Each four will include six 150 mm aperture, 132.2 T/m gradient, Nb <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$_3$</tex-math></inline-formula> Sn quadrupole magnets to be installed in tunnel. The recently updated circuit...
Abstract We have developed a high-temperature superconducting (HTS) flux pump using high-power metal-oxide-semiconductor field-effect transistors (MOSFETs) for switching. For its primary coil, two commercial transformers are utilized, each consisting of copper coils wound on single iron core, which enables changing the load current over ratio (101 or 194) between and secondary coils. Full-wave rectification is achieved with half-wave circuits, them having six HTS one-turn to lower...
Objective. Neural interfaces and other implantable micro-devices that use polymer-encapsulated integrated circuits will only be allowed in medical devices when their lifetimes can estimated from experimental data. An apparatus has been developed tested allows hundreds of insulated samples (interdigitated combs) to aged under accelerated conditions high temperature voltage stress. Occasionally, aging is paused while the sample's impedance measured; spectrogram may show degradation as it...
An investigation is performed on the quench behavior of a conceptual 50-GJ 8-T high-temperature-superconductor-based solenoid. In this design, 50-kA conductor-on-round-core cable-in-conduit conductor utilizing ReBCO technology envisioned, operating at 40 K. Various properties such as resistivity, thermal conductivity, and heat capacity are very different temperature, which affects behavior. It found that envisioned stable with minimum energy about 2 kJ. However, propagation velocity...
A study was performed to understand the quench behavior and ensure adequate protection of canted cosine theta (CCT) twin aperture orbit corrector magnet, a superconducting magnet under development as part high-luminosity upgrade Large Hadron Collider (HL-LHC). The geometry features coils, which together produce magnetic dipole field. NbTi/Cu strands are placed in slots inside formers that maintain shape coils. presence these affects by preventing direct thermal contact between adjacent...
The application of high-temperature superconductors to accelerator magnets for future particle colliders is under study. Numerical methods are crucial an accurate evaluation the complex dynamical behavior magnets, especially concerning magnetic field quality and thermal behavior. We present a coupled A-H formulation analysis magneto-thermal transients in magnets. strength H accounts eddy current problem source regions containing superconducting domains, while vector potential A represents...
This article describes BabyIAXO, an intermediate experimental stage of the International Axion Observatory (IAXO), proposed to be sited at DESY. IAXO is a large-scale axion helioscope that will look for axions and axion-like particles (ALPs), produced in Sun, with unprecedented sensitivity. BabyIAXO conceived test all subsystems (magnet, optics detectors) relevant scale final system thus serve as prototype IAXO, but same time fully-fledged physics reach itself, potential discovery. The...
In the frame of high-luminosity upgrade project for large hadron collider, new twin aperture beam orbit corrector magnets will be installed near recombination dipole (D2). These are 2.2 m long canted cosine theta NbTi dipoles, with two independently powered apertures oriented such that their field vectors perpendicular to each other and direction beams. A 0.5 model magnet in single double configuration a full-length prototype were built tested at CERN. this paper, performance these 1.9 K...