A5003164619- Particle Detector Development and Performance
- Superconducting Materials and Applications
- Particle Accelerators and Free-Electron Lasers
- Particle physics theoretical and experimental studies
- Particle accelerators and beam dynamics
- Dark Matter and Cosmic Phenomena
- Advanced Optical Sensing Technologies
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- Electronic Packaging and Soldering Technologies
- Atomic and Molecular Physics
- Bacteriophages and microbial interactions
- Astro and Planetary Science
- Photocathodes and Microchannel Plates
- High-Energy Particle Collisions Research
- Advanced ceramic materials synthesis
- Solar and Space Plasma Dynamics
- Radiation Therapy and Dosimetry
- Plasma Diagnostics and Applications
- Muon and positron interactions and applications
- Nuclear Physics and Applications
- Ion-surface interactions and analysis
- Ionosphere and magnetosphere dynamics
- Spectroscopy Techniques in Biomedical and Chemical Research
- Fusion materials and technologies
European Organization for Nuclear Research
2010-2024
University of Geneva
2023
Czech Technical University in Prague
2023
Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
2023
FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such may be produced in large numbers along beam collision axis, travel hundreds meters without interacting, then decay standard model particles. To such events, will located 480 m downstream ATLAS IP unused service tunnel TI12 sensitive that cylindrical volume with radius R=10 cm length L=1.5 m. complement LHC's existing physics program,...
Abstract FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such may be produced in very forward direction of LHC's high-energy collisions and then decay visible inside FASER detector, which placed 480 m downstream ATLAS interaction point, aligned with beam axis. also includes a sub-detector, ν , designed detect neutrinos LHC study their properties. In this paper, each...
FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such may be produced in very forward direction of LHC's high-energy collisions and then decay visible inside FASER detector, which placed 480 m downstream ATLAS interaction point, aligned with beam axis. also includes a sub-detector, FASER$\nu$, designed detect neutrinos LHC study their properties. In this paper, each component...
The medical cyclotron at the Bern University Hospital (Inselspital) is used for both routine 18 F production Positron Emission Tomography (PET) and multidisciplinary research. It provides proton beams of variable intensity a nominal fixed energy MeV. Several scientific activities, such as measurement nuclear reaction cross-sections or non-conventional radioisotopes applications, require precise knowledge beam extracted from accelerator. For this purpose, study was performed function...
Abstract Pix.PAN is a compact cylindrical magnetic spectrometer, intended to provide excellent high energy particle measurements under rate and hostile operating conditions in space. Its principal design composed of two Halbach-array sectors six Timepix4-based tracking layers; the latest hybrid silicon pixel detector readout ASIC designed. Due Pix.PAN’s relatively simple design, it has potential be used for space missions exploring with unprecedented precision, particles radiation belts...
Compact quadrupole magnets are required for the CCDTL (Cell-Coupled Drift Tube Linac) of Linac 4, a 160 MeV linear accelerator negative hydrogen ions which will replace old 50 proton Linac2 at CERN. The magnets, an overall physical length 140 mm and aperture diameter 45 mm, based on Sm <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> Co xmlns:xlink="http://www.w3.org/1999/xlink">17</sub> blocks can provide integrated gradient up to 1.6...
The main busbar interconnection splices of the Large Hadron Collider are assembled by inductive soldering Rutherford type cables and copper profiles stabilizer. Following September 2008 incident, assembly process quality assurance have been improved, with new measurement diagnostics methods introduced. In 2008-2009 shutdown resistance both in superconducting normal conducting states focus for improvements. introduction gamma radiography has allowed visualization voids between cable It is now...
The Large Hadron Collider (LHC) main interconnection splices consist of Rutherford-type cable splice and busbar stabilizer splices. Busbar have been consolidated during the first long LHC shutdown by soldering additional Cu shunts. In view large number quality controls (QCs) that were integrated in consolidation process, efficient unambiguous QC procedures needed to be developed. Direct-current electrical resistance measurements selected for control individual About 400 000 performed at room...
In the past, use of permanent magnets in CERN Accelerator Complex was marginal. recent years, specific attention is being devoted to fit, where possible, new projects either case consolidation or for upgrade existing accelerators and experimental areas. This paper describes analyzes design manufacture some these projects, particularly permanent-magnet quadrupoles with adjustable gradient installed Linac4, a sextupole magnet ASACUSA experiment, large dipole nTof area.
Abstract Pix.PAN is a compact cylindrical magnetic spectrometer, intended to provide excellent high energy particle measurements under rate and hostile operating conditions in space. Its principal design composed of 2 Halbach-array sectors 6 Timepix4-based tracking layers; the latest hybrid silicon pixel detector readout ASIC designed. Due Pix.PAN's relatively simple design, it has potential be used for space missions exploring with unprecedented precision, particles radiation belts...
Abstract A first beam dynamics and RF design of an Alvarez-type drift tube linac (DTL) has been defined in the framework EU project, HITRIplus. It is meant primarily as a carbon ( 12 C 4+ ) helium 4 He 2+ ion injector compact synchrotron for patient treatment. As second implementation, particle acceleration with higher duty cycle (10%) enables radioisotope production. The 352.2 MHz structure efficiently accelerates species A/q=3 2, energy range from 1 to 5 MeV/u current up ∼0.5 mA. extends...
FASER, the ForwArd Search ExpeRiment, is designed to search for new, yet undiscovered, light and weakly-interacting particles study interactions of high-energy neutrinos. Three dipoles, one 1.5 m-long other two 1.0 each, installed upstream ATLAS experiment at CERN, are required achieve sufficient separation pairs oppositely charged, Standard Model originating from decays new physics particles. The dipoles have an aperture 200 mm in diameter a magnetic field centre ≥ 0.55 T. Due tight space...
About 4650 normal conducting magnets are presently installed in the CERN accelerators complex, more than 3000 of them belonging to LHC injector chain and 163 LHC. The oldest have been operation for 50 years, some submitted aggressive conditions, either terms radiation, extreme water cooling conditions or temperature. smallest linacs weigh a few kilograms, whilst each main Proton Synchrotron weighs 33 tons. paper reviews status these gives examples findings relevant recent actions undertaken...
PAN is an instrument designed to precisely measure and monitor the flux, composition, direction of highly penetrating particles (>100MeV/nucleon) in deep space interplanetary missions with energy resolution better than 10% for nuclei from H Fe at 1GeV/n. The detector, limited about 20kg mass 20W power consumption, based on well-known magnetic spectrometer detection principle, exploits advantages provided by integration ultra-thin microstrip silicon detectors, hybrid pixel detectors...
In the frame of consolidation Antiproton Decelerator (AD) Target Area it was decided to replace two original normal conducting quadrupoles used for final focusing proton beam before target by 1.1 m long based on permanent magnet technology. Their gradient is adjustable from 35 45 T/m inside an aperture 60 mm in diameter. This paper describes design, manufacturing, assembly, and magnetic measurements these high quadrupoles.
The Penetrating particle Analyzer (PAN) is a compact magnetic spectrometer with relatively low power budget allowing it to be used in deep space and interplanetary missions for cosmic rays, solar physics weather studies. It can precisely measure monitor the flux, composition, direction of highly penetrating particles range between 100 MeV/n 10 GeV/n. device consists permanent magnet sections, silicon strip detectors, scintillating detectors pixel detectors. At current stage R&D, first...
Abstract Middle East Technical University Defocusing Beam Line (METU-DBL) performs the Single Event Effects (SEEs) radiation tests with protons in range of 15 MeV to 30 kinetic energy at Turkish Atomic Energy Authority Proton Accelerator Facility (TENMAK NÜKEN-PAF) for space and nuclear applications. The most critical beam transfer elements METU-DBL are three quadrupole magnets, which used defocusing like optical lenses. first two magnets were purchased commercially, third magnet was...