CERN Accelerating science

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1.
The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3 / ATLAS Collaboration
The ATLAS detector is installed in its experimental cavern at Point 1 of the CERN Large Hadron Collider. During Run 2 of the LHC, a luminosity of $\mathcal{L}=2\times 10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$ was routinely achieved at the start of fills, twice the design luminosity. [...]
arXiv:2305.16623; CERN-EP-2022-259.- Geneva : CERN, 2024-05-23 - 233 p. - Published in : JINST 19 (2024) P05063 Fulltext: 2305.16623 - PDF; document - PDF; External link: Previous draft version
In : The Large Hadron Collider and The Experiments for Run 3
2.
The Precision Laser Inclinometer / Di Girolamo, Beniamino (CERN) ; Boudagov, Julian A (Dubna, JINR) ; Lyablin, Michail V (Dubna, JINR) ; Vlachos, Sotiris (Natl. Tech. U., Athens)
Earth surface movements, like earthquakes or human-produced (cultural) noise, can induce a degradation of the instantaneous luminosity of particle accelerators or even sudden beam losses. In the same way the presence of seismic and cultural noise limits the detection capabilities of interferometric antennas used for the observations of gravitational waves. [...]
JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 3305-3308 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3305-3308
3.
Measuring beam size with the LHC Beam Gas Vertex detector / Würkner, Benedikt (CERN) ; Alexopoulos, Andreas (CERN) ; Barschel, Colin (CERN) ; Bay, Aurelio (Ecole Polytechnique, Lausanne) ; Blanc, Frederic (Ecole Polytechnique, Lausanne) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) ; Ferro-Luzzi, Massimiliano (CERN) et al.
The Beam Gas Vertex detector (BGV) is an innovative beam profile monitor being developed as part of the High Luminosity LHC (HL-LHC) project at CERN. The goal is to continually measure the transverse beam size by reconstructing tracks originating from beam-gas interactions using high precision tracking detectors. [...]
CERN-ACC-2019-205.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPGW084 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPGW084
4.
The Beam Gas Vertex profile monitoring station for HL-LHC / Kieffer, Robert (CERN ; Royal Holloway, U. of London) ; Alexopoulos, Andreas (CERN ; Thessaly U.) ; Fosse, Loic (CERN) ; Gibson, Stephen (Royal Holloway, U. of London ; CERN) ; Gonzalez Berges, Manuel (CERN) ; Guerin, Helene (CERN ; Royal Holloway, U. of London) ; Jones, Owain Rhodri (CERN) ; Marriott-Dodington, Thomas (CERN) ; Storey, James (CERN) ; Veness, Raymond (CERN) et al.
A new instrument is under development for the High Luminosity upgrade of the Large Hadron Collider at CERN (HL-LHC) to provide non-invasive transverse beam size measurements throughout the full acceleration cycle. The Beam Gas Vertex (BGV) monitor consists of a tank supplied with gas at very low pressure attached to the LHC beam pipe with a series of particle tracking stations located downstream outside vacuum. [...]
CERN-ACC-2019-102.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPGW082 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPGW082
5.
The LHC Beam Gas Vertex Detector - a Non-Invasive Profile Monitor for High Energy Machines / Vlachos, Sotiris (CERN) ; Alexopoulos, Andreas (CERN) ; Barchel, Colin (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Bay, Aurelio (Ecole Polytechnique, Lausanne) ; Blanc, Frederic (Ecole Polytechnique, Lausanne) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) ; Ferro-Luzzi, Massimiliano (CERN) et al.
The Beam Gas Vertex (BGV) monitor is being developed as part of the High Luminosity LHC project with the aim of providing measurements with less than 5% error on the beam size with an integration time of 5 minutes. It will be the only instrument capable of non-invasive beam size measurement throughout the LHC acceleration cycle with high intensity physics beams. [...]
2018 - 7 p. - Published in : 10.18429/JACoW-IBIC2017-WE3AB1 Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.WE3AB1
6.
Cross-Calibration of the LHC Transverse Beam-Profile Monitors / Alemany-Fernández, Reyes (CERN) ; Alessio, Federico (CERN) ; Alexopoulos, Andreas (CERN) ; Barschel, Colin (CERN) ; Carlier, Felix (CERN) ; Coello de Portugal, Jaime Maria (CERN) ; Coombs, George (Ecole Polytechnique, Lausanne) ; Ferro-Luzzi, Massimiliano (CERN) ; Garcia-Tabares, Ana (CERN) ; Hadavizadeh, Tom (Oxford U.) et al.
Calibration of a transverse beam profile monitor is of fundamental importance to guarantee the best possible accuracy and reliability of the instrument over time. In LHC the calibration standard for transverse-profile measurements are the wire scanners. [...]
CERN-ACC-2017-197.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-MOPAB130 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB130
7.
Design of the ATLAS New Small Wheel Gas Distribution System for the Micromegas Detector Modules / Gazis, Evangelos (National Technical University of Athens) ; Alexopoulos, Theodoros (National Technical University of Athens) ; Maltezos, Stavros (National Technical University of Athens) ; Vlachos, Sotirios (National Technical University of Athens) ; Karentzos, Efstathios (National Technical University of Athens) ; Koulouris, Aimilianos (National Technical University of Athens) ; Moschovakos, Paris (National Technical University of Athens) ; Koutelieris, Georgios (National Technical University of Athens)
In this work we present and describe the methodology, the particular calculations and simulations accordingly to achieve the appropriate gas flow rates ensuring a uniform gas distribution among the same type of NSW Micromegas modules. [...]
ATL-MUON-PROC-2016-005.
- 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
8.
Employing Beam-Gas Interaction Vertices for Transverse Profile Measurements / Rihl, Mariana (CERN) ; Alexopoulos, Andreas (CERN) ; Baglin, Vincent (CERN) ; Barschel, Colin (CERN) ; Bay, Aurelio (EPFL-ISIC, Lausanne) ; Blanc, Frederic (EPFL-ISIC, Lausanne) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) et al.
Interactions of high-energy beam particles with residual gas offer a unique opportunity to measure the beam profile in a non-intrusive fashion. Such a method was successfully pioneered* at the LHCb experiment using a silicon microstrip vertex detector. [...]
CERN-ACC-2016-312.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-MOPMR027 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMR027

Također vidi: slična imena autora
183 Vlachos, S
158 Vlachos, S.
854 Vlachos, Sotirios
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