Nikolaos Gazis
A5018399664- Particle accelerators and beam dynamics
- Neutrino Physics Research
- Particle Accelerators and Free-Electron Lasers
- Particle physics theoretical and experimental studies
- Nuclear Physics and Applications
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Advanced X-ray Imaging Techniques
- Superconducting Materials and Applications
- Non-Destructive Testing Techniques
- Nuclear reactor physics and engineering
- Probabilistic and Robust Engineering Design
- Geotechnical Engineering and Soil Mechanics
- Gyrotron and Vacuum Electronics Research
- Dark Matter and Cosmic Phenomena
- Arctic and Antarctic ice dynamics
- Structural Health Monitoring Techniques
- Ultrasonics and Acoustic Wave Propagation
- Icing and De-icing Technologies
- Radiation Therapy and Dosimetry
- Modeling, Simulation, and Optimization
- Granular flow and fluidized beds
- Advancements in Photolithography Techniques
- Offshore Engineering and Technologies
- Advanced Radiotherapy Techniques
European Spallation Source
2016-2024
Institute of Accelerating Systems and Applications
2024
AlbaNova
2023
KTH Royal Institute of Technology
2023
European Organization for Nuclear Research
2011-2016
Wood Group Kenny
2015
J P Kenny
2013
Abstract A design study, named $${\text {ESS}}\nu {\text {SB}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mtext>ESS</mml:mtext><mml:mi>ν</mml:mi><mml:mtext>SB</mml:mtext></mml:mrow></mml:math> for European Spallation Source neutrino Super Beam, has been carried out during the years 2018–2022 of how 5 MW proton linear accelerator under construction in Lund, Sweden, can be used to produce world’s most intense long-baseline beam. The high beam intensity will allow...
Abstract CompactLight is a Design Study funded by the European Union under Horizon 2020 research and innovation funding programme, with Grant Agreement No. 777431. was conducted an International Collaboration of 23 international laboratories academic institutions, three private companies, five third parties. The project, which started in January 2018 duration 48 months, aimed to design innovative, compact, cost-effective hard X-ray FEL facility complemented soft source pave road for future...
In this paper, we study scalar mediator induced nonstandard interactions (SNSIs) in the context of ESSnuSB experiment. particular, capability to put bounds on SNSI parameters and also impact SNSIs measurement leptonic <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mi>C</a:mi><a:mi>P</a:mi></a:math> phase <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msub><c:mi>δ</c:mi><c:mrow><c:mi>C</c:mi><c:mi>P</c:mi></c:mrow></c:msub></c:math>....
ESSnuSB is a design study for an experiment to measure the CP violation in leptonic sector at second neutrino oscillation maximum using beam driven by uniquely powerful ESS linear accelerator. The reduced impact of systematic errors on sensitivity allows very precise measurement violating parameter. This review describes fundamental advantages maximum, necessary upgrades linac order produce beam, near and far detector complexes, expected physics reach proposed experiment, concluding with...
FLASH-radiotherapy (RT) presents great potential as an alternative to conventional radiotherapy methods in cancer treatment. In this paper, we focus on simulation studies for a linear particle accelerator injector design using the ASTRA code, which permits beam generation and tracking through electromagnetic fields. Space charge-dominated beams were selected with aim of providing optimized generated profile lattice minimized emittance. The main results electron ultra-high dose rate (UHDR)...
The H₂020 CompactLight Project (www. CompactLight.eu) aims at designing the next generation of compact X-rays Free-Electron Lasers, relying on very high gradient accelerating structures (X-band, 12 GHz), most advanced concepts for bright electron photo injectors, and innovative short-period undulators. Compared to existing facilities, proposed facility will benefit from a lower beam energy, due enhanced undulators performance, be significantly more compact, with smaller footprint, as...
CompactLight (XLS) is an International Collaboration of 24 partners and 5 third parties, funded by the European Union through Horizon 2020 Research Innovation Programme. The main goal project, which started in January 2018 with a duration 36 months, design hard X-ray FEL facility beyond today’s state art, using latest concepts for bright electron photo-injectors, high-gradient accelerating structures, innovative short-period undulators. specifications parameters future are driven demands...
The Compact LInear Collider (CLIC), currently under study at CERN, aims the development of a Multi-TeV e + - collider. micro-precision CLIC RF-structures will have an accelerating gradient 100 MV/m and be mounted aligned on specially developed supporting girders. girder fabrication constraints are dictated by stringent physics requirements. micrometric pre-alignment over several kilometers girders, allow for structures to fulfill their acceleration collision functionality. Study such girders...
Abstract The European Spallation Source neutrino Super Beam (ESS 𝜈 SB) is a long-baseline project that will measure the CP-violation in leptonic sector at second, rather than first, oscillation maximum, where sensitivity of experiment ∼3 times higher. physics simulations have shown ESS SB, after 10 years data taking, be able to cover more 70% CP-violating phase, δ CP , parameterrange with 5 σ C.L. reject no-CP-violation hypothesis. expected measurement error smaller 8° for all values, making...
Neutrino oscillation experiments provide a unique window in exploring several new physics scenarios beyond the standard three flavour. One such scenario is quantum decoherence neutrino which tends to destroy interference pattern of neutrinos reaching far detector from source. In this work, we study context ESSnuSB experiment. We consider energy-independent parameter and derive analytical expressions for P$_{\mu e}$ \mu}$ probabilities vacuum. have computed capability put bounds on parameters...
A bstract This study provides an analysis of atmospheric neutrino oscillations at the ESSnuSB far detector facility. The prospects two cylindrical Water Cherenkov detectors with a total fiducial mass 540 kt are investigated over 10 years data taking in standard three-flavor oscillation scenario. We present confidence intervals for determination ordering, θ 23 octant as well precisions on sin 2 and $$ \left|\Delta {m}_{31}^2\right| <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">...
The European Spallation Source (ESS), which is established as a Research Infrastructure Consortium (ERIC), multi-disciplinary research facility that currently under construction. ESS has vision to develop world class facility, enabling scientific breakthroughs in related materials, energy, health and the environment. built by collaboration of some 100 institutes universities. With its 5 MW average beam power, linac will be most powerful all neutron spallation sources. Neutrons are obtained...
The latest generation of light sources, the Free Electron Lasers that are capable delivering high-intensity photon beams unprecedented brilliance and quality, provide a substantially novel way to probe matter with very high, largely unexplored potential for science innovation. CompactLight Collaboration intends design hard X-ray FEL facility beyond today’s state art using concepts bright electron photoinjectors, high-gradient X-band structures at 12 GHz, innovative compact short-period...
The European Spallation Source (ESS) is a neutron science facility, with planned start of construction in Lund 2014, Sweden and it one the largest technology infrastructure projects being developed world today. It will include 62.5 mA, 2 GeV proton linac, tungsten target station, 22 state-of-the-art instruments. ESS also includes supercomputing data processing centre, which be Copenhagen, Denmark. Accelerator Systems project (ACCSYS) represents almost third total budget. Seventeen countries...
The European Spallation Source (ESS), currently under construction in Lund, Sweden, will be the world’s most powerful source of neutrons. goal is to deliver neutrons users 2019 and reach full power sometime middle following decade. One key issues for ESS develop a strategy, along with proper innovative tools, efficiently communicate smoothly collaborate between divisions groups inside its outside collaborators, so-called In-Kind Contributors (IKC). Technical requirements related scope...
The light sources currently existing or under development in Europe address needs the Central and Northwestern regions, whereas Southeastern European region there is no facility of this kind. CompactLight collaboration, an H2020 funded project, going to deliver a Conceptual Design Report (CDR) novel generation X-ray Free Electron Laser (XFEL) which compact, innovative, relatively cheap be implemented for industrial medical applications. CDR will facilitate technological updates many...
The ESS linac is under construction by the partner institutes (so- called In-Kind Contributors - IKC) and will operate most powerful proton beam ever for neutron spallation source. delivers 5 MW via 2 GeV protons at a repetition rate of 14 Hz He-cooled solid tungsten target. pulsed neutrons, result spallation, reach science instruments after having been moderated. engineering effort needed to assemble its RF sources (klystrons), commenced with design integration currently undergoing...
A simplified model of the motion a grounding iceberg for determining gouge depth into seabed is proposed. Specifically, taking account uncertainties relating to soil strength, nonlinear stochastic differential equation governing evolution length/depth in time derived. Further, recently developed Wiener path integral (WPI) based approach solving approximately employed; thus, circumventing computationally demanding Monte Carlo simulations and rendering potentially useful preliminary design...