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2022-01-14
13:53
Differential Cross Section Measurement of the $pp\rightarrow WH\rightarrow WWW$ Process With the ATLAS Experiment / Hesping, Moritz Elias
In this thesis, a Simplified Template Cross Section (STXS) analysis for the $ pp\rightarrow WH\rightarrow WWW\rightarrow l\nu l\nu l\nu$ process is presented, using final states with no lepton pairs of the same flavor and opposite charge. The analysis uses proton-proton collisions at a center of mass energy of $13~TeV$ with an integrated luminosity of $139~fb^{-1}$, which were measured by the ATLAS detector at the Large Hadron Collider. [...]
CERN-THESIS-2021-251.- Fulltext: PDF; External link: Approve this document (restricted)

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2022-01-12
06:18
Development of a rotating-coil scanner for superconducting accelerator magnets / Rogacki, Piotr (CERN ; RWTH Aachen U.) ; Fiscarelli, Lucio (CERN) ; Russenschuck, Stephan (CERN) ; Hameyer, Kay (RWTH Aachen U.)
The High-Luminosity upgrade project for the Large Hadron Collider (HL-LHC) at CERN (Conseil Européen pour la Recherche Nucléaire) will require new superconducting magnets for the insertion regions. Among these magnets, the new triplet quadrupoles, based on Nb3Sn technology, require magnetic-field measurements of a high precision in the field angle and multipole field errors. [...]
2020 - 9 p. - Published in : Journal of Sensors and Sensor Systems 9 (2020) 99-107 Fulltext: PDF;

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2022-01-12
06:18
A Safety System for Human Radiation Protection and Guidance in Extreme Environmental Conditions / Adamidi, Eleni S (Natl. Tech. U., Athens) ; Gazis, Evangelos N (Natl. Tech. U., Athens ; CERN) ; Nikita, Konstantina S (Natl. Tech. U., Athens)
We present a safety system designed to ensure human radiation protection and provide real-time guidance in extreme environmental conditions. This system was developed and tested in the complex experimental infrastructure of the ATLAS underground cavern at CERN, where personnel safety is crucial, especially during maintenance periods. [...]
2020 - 11 p. - Published in : IEEE Systems Journal 14 (2020) 1384-1394

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2021-12-08
17:44
ATLAS Elementary Particles Decorations / Velho, Mariana (Universidade Nova de Lisboa (PT)) ; Anthony, Katarina (Universita degli Studi di Udine (IT))
Explore the ATLAS seasonal activities with these free-to-download elementary particles decorations!
ATLAS-OUTREACH-2021-093.
- 2021. - 9.
Language: English

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2021-12-08
17:39
ATLAS Physics Presents Tags / Velho, Mariana (Universidade Nova de Lisboa (PT)) ; Anthony, Katarina (Universita degli Studi di Udine (IT))
Explore the ATLAS seasonal activities with these free-to-download physics presents tags!
ATLAS-OUTREACH-2021-092.
- 2021. - 3.
Language: English

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2021-11-30
09:56
Study of the beam induced vacuum effects in the cryogenic beam vacuum chamber of the Future Circular Hadron Collider / Bellafont, Ignasi
The Future Circular Hadron Collider (FCC-hh) is a proposal for a 100 km long hadron collider conceived as the successor of the Large Hadron Collider (LHC) [...]
CERN-THESIS-2020-396 - 149 p.


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2021-11-24
11:46
Review of halo measurements at the Large Hadron Collider with collimator scans / Racano, Paola
A good modeling of the beam distribution is essential in order to understand limitiations from overpopulated tails in high-power particle accelerators and find the best strategy to clean particles in the tails, that may cause damage to the accelerator components [...]
CERN-THESIS-2019-429 - 76 p.


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2021-11-24
10:22
LHC procedure: excite 3 pilot bunches with AC-dipoles / Malina, Lukas ; Tomas Garcia, Rogelio (CERN)
This note summarises the pre-requisites and steps of optics measurement using AC-dipoles to excite three pilot bunches at beam energy above 4 TeV instead of a single bunch allowed previously for machine protection restrictions..
CERN-ACC-NOTE-2021-0030.
- 2020. - 2 p.

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2021-11-19
14:00
Effect of Quench Heater Discharges on the Circulating Beam in the Large Hadron Collider / Richtmann, Lea
The Large Hadron Collider (LHC) is a particle accelerator that uses superconducting dipole magnets to guide proton or heavy ion beams along their circular path [...]
CERN-THESIS-2021-208 - 103 p.


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2021-11-12
17:09
LHC Configuration and Operational Scenario for Run 3 / Fartoukh, Stephane (CERN) ; Kostoglou, Sofia (CERN) ; Solfaroli Camillocci, Matteo (CERN) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Bracco, Chiara (CERN) ; Brodzinski, Krzysztof (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Calviani, Marco (CERN) et al.
After its second successful run period, the Large Hadron Collider (LHC) shut down for three years with the plan of being recommissioned in 2022 for a three-year physics production period, the Run 3. [...]
CERN-ACC-2021-0007.
- 2021. - 33 p.
Full text

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