E. N. Gazis
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View article: Review of VHEE Beam Energy Evolution for FLASH Radiation Therapy Under Ultra-High Dose Rate (UHDR) Dosimetry
Review of VHEE Beam Energy Evolution for FLASH Radiation Therapy Under Ultra-High Dose Rate (UHDR) Dosimetry Open
Very-high-energy electron (VHEE) beams, ranging from 50 to 300 or 400 MeV, are the subject of intense research investigation, with considerable interest concerning applications in radiation therapy due to their accurate energy deposition i…
View article: Review on the VHEE Beam Energy Evolution for FLASH Radio Therapy with Ultra-High-Dose Rate (UHDR) Dosimetry
Review on the VHEE Beam Energy Evolution for FLASH Radio Therapy with Ultra-High-Dose Rate (UHDR) Dosimetry Open
The very high energy electron (VHEE) beams, with energies ranging from 50 to 300 or to 400 MeV, are the subject of intense research investigation, drawing considerable interest in radiotherapy due to their accurate penetration into large a…
View article: ATLAS Muon Spectrometer Upgrade for the HL-LHC Era’s Challenges
ATLAS Muon Spectrometer Upgrade for the HL-LHC Era’s Challenges Open
The High-Luminosity Large Hadron Collider (HL-LHC) project aims to improve the performance of the LHC by increasing the proton–proton collision luminosity. New physics discoveries will be possible starting in 2027. The HL-LHC aims to impro…
View article: Simulation Dosimetry Studies for FLASH Radiation Therapy (RT) with Ultra-High Dose Rate (UHDR) Electron Beam
Simulation Dosimetry Studies for FLASH Radiation Therapy (RT) with Ultra-High Dose Rate (UHDR) Electron Beam Open
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 co…
View article: The CompactLight Design Study
The CompactLight Design Study Open
CompactLight is a Design Study funded by the European Union under the Horizon 2020 research and innovation funding programme, with Grant Agreement No. 777431. CompactLight was conducted by an International Collaboration of 23 international…
View article: On the Use of Foam Rubber for Sealing Applications
On the Use of Foam Rubber for Sealing Applications Open
O-rings made from foam rubber are often used in sealing applications. Foam rubber have low (macroscopic) elastic modulus $$E_0$$ resulting in a low nominal contact pressure when squeezed against a countersurface. In most cases the foam…
View article: Determination of the Feasible Gas Sealing Performance of the NSW Micromegas Quadruplets
Determination of the Feasible Gas Sealing Performance of the NSW Micromegas Quadruplets Open
The New Small wheel Micromegas quadruplets for the LHC-ATLAS Upgrade of phase-I has been completed and already installed on the ATLAS detector. After their construction a quality assurance and checking were performed in the Lab BB5 at CERN…
View article: Surface Topography of the Materials used in NSW Micromegas Quadruplets
Surface Topography of the Materials used in NSW Micromegas Quadruplets Open
In the framework of the NSW Micromegas Quadruplet production for the LHC-ATLAS Upgrade of phase I at CERN, their gas sealing is a crucial issue. For this reason, we studied the sealing feasibility based on the topography analysis of the ma…
View article: Surface Topography of the Materials used in NSW Micromegas Quadruplets
Surface Topography of the Materials used in NSW Micromegas Quadruplets Open
In the framework of the NSW Micromegas Quadruplet production for the LHC-ATLAS Upgrade of phase I at CERN, their gas sealing is a crucial issue. For this reason, we studied the sealing feasibility based on the topography analysis of the ma…
View article: The HEV Ventilator: at the interface between particle physics and biomedical engineering
The HEV Ventilator: at the interface between particle physics and biomedical engineering Open
A high-quality, low-cost ventilator, dubbed HEV, has been developed by the particle physics community working together with biomedical engineers and physicians around the world. The HEV design is suitable for use both in and out of hospita…
View article: ESS RFQ Electromagnetic Simulations Using CST Studio Suite
ESS RFQ Electromagnetic Simulations Using CST Studio Suite Open
The Radio Frequency Quadrupole (RFQ) of the European Spallation Source (ESS), operates at 352.21 MHz with an RF pulse length of 3.2 ms and repetition rate of 14 Hz. The RFQ focuses, bunches and accelerates the 62.5 mA proton beam from 75 k…
View article: Design of a Differential Safety Mechanism (DSM) Dedicated to the NSW Micromegas Wedges
Design of a Differential Safety Mechanism (DSM) Dedicated to the NSW Micromegas Wedges Open
The New Small Wheel Micromegas detector system for the Upgrade of ATLAS Muon Spectrometer is in the phase of integration and commissioning at the Laboratories BB5 and Building 191 at CERN respectively. In this framework, the produced modul…
View article: Methods used for Gas Tightness Test and percent Oxygen Monitoring of the NSW Micromegas Detectors of LHC-ATLAS Experiment
Methods used for Gas Tightness Test and percent Oxygen Monitoring of the NSW Micromegas Detectors of LHC-ATLAS Experiment Open
In the frame of the LHC-ATLAS Upgrade of phase I, the New Small Wheel detector system is under integration and commissioning at CERN Laboratories. One of the detector type, the Micromegas detectors, during their integration are tested in s…
View article: ERIS: An emittance reconstruction application for Linac3
ERIS: An emittance reconstruction application for Linac3 Open
Inspector and Inspector Services framework are innovative developer tools, designed at CERN and used for the design of\ncontrol applications at the CERN accelerator complex. This paper presents the use of this framework in the implementati…
View article: Photocathode study of the CompactLight Collaboration for a novel XFEL development
Photocathode study of the CompactLight Collaboration for a novel XFEL development Open
The latest generation of light sources, the Free Electron Lasers that are capable of delivering high-intensity photon beams of unprecedented brilliance and quality, provide a substantially novel way to probe matter with a very high, largel…
View article: A Method of Determining Channeling Parameters in Backscattering Geometry
A Method of Determining Channeling Parameters in Backscattering Geometry Open
The energy loss of channeled protons in silicon has been measured in the past in the transmission geometry and was found to be approximately half of the normal loss, thus confirming the equipartition rule. Other measurements however, conce…
View article: Study of the Irradiation Damage in Simple Crystals by Channeling
Study of the Irradiation Damage in Simple Crystals by Channeling Open
Several experiments have been carried out in the past in order to examine the impact of medium and heavy ions in crystals in the MeV range, which is of particular interest in high energy implantations. In the present work, the gradual amor…
View article: Light Sources in Europe—Case Study: The COMPACTLIGHT Collaboration
Light Sources in Europe—Case Study: The COMPACTLIGHT Collaboration Open
The light sources currently existing or under development in Europe address needs in the Central and Northwestern regions, whereas in the Southeastern European region there is no facility of this kind. The CompactLight collaboration, an H2…
View article: Control System (CS) and Data Acquisition (DAQ) architecture for the radiation background monitoring of a Personnel Safety System in the ATLAS cavern
Control System (CS) and Data Acquisition (DAQ) architecture for the radiation background monitoring of a Personnel Safety System in the ATLAS cavern Open
EDUSAFE is a 4-year Marie Curie ITN project, which focuses on research into the use of Virtual Reality (VR) and Augmented Reality (AR) during planned and emergency maintenance in extreme environments of high radiation background (HEP exper…
View article: Gas System for the ATLAS NSW Micromegas Detectors: Design Aspects and Advanced Validation Methods for their QA/QC
Gas System for the ATLAS NSW Micromegas Detectors: Design Aspects and Advanced Validation Methods for their QA/QC Open
In this work we present the design aspects of the Gas Distribution System of NSW Micromegas detectors, simulation results and gas flow / pressure uniformity. We also describe the appropriate gas leak test methods, a conventional and an alt…
View article: The CompactLight Design Study Project
The CompactLight Design Study Project Open
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), the most advanced concepts for brig…
View article: Status of the CompactLight Design Study
Status of the CompactLight Design Study Open
CompactLight (XLS) is an International Collaboration of 24 partners and 5 third parties, funded by the European Union through the Horizon 2020 Research and Innovation Programme. The main goal of the project, which started in January 2018 w…
View article: CompactLight Design Study
CompactLight Design Study Open
H2020 CompactLight Project aims at designing the next generation of compact hard X-Rays Free-Electron Lasers, relying on very high accelerating gradients and on novel undulator concepts. CompactLight intends to design a compact Hard X-ray …
View article: "Higgs" Factory at the Greek-Turkish Border
"Higgs" Factory at the Greek-Turkish Border Open
We would like to propose the construction of the photon collider based "Higgs factory" in the coming years at the Greek-Turkish border, starting from its test facility with a high energy photon beam. This proposal was among the contributio…
View article: Design of the ATLAS new small wheel gas leak tightness station for the micromegas detector modules
Design of the ATLAS new small wheel gas leak tightness station for the micromegas detector modules Open
In this work we describe advanced data processing and analysis techniques intended to be used in the gas tightness station at CERN for Quality Assurance and Quality Control of the New Small Wheel Micromegas Quadruplets. We combine two meth…
View article: Design of the ATLAS New Small Wheel Gas Distribution System for the Micromegas Detector Modules
Design of the ATLAS New Small Wheel Gas Distribution System for the Micromegas Detector Modules Open
In this work we present and describe the methodology, the relative calculations and simulations accordingly to achieve the appropriate gas flow rates ensuring a uniform gas distribution among the same type of New Small Wheel (NSW) Micromeg…