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CERN Document Server Sök i 15 journaler efter:  1 - 10nästa  gå till journal: Sökningen tog 0.62 sekunder. 
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Exploring Career Pathways: Insights about career development and networking / Gallo, Maria (speaker) ; Alekou, Androula (speaker) ; Biedermann, Andrea (speaker)
Link: https://alumni.cern/news/1804220 Topics explored: • How can I apply the growth mindset to the career application process and my career planning? • In what ways can I identify my key transferable skills and competences? • How can I navigate a career pivot? What if I am climbing the ladder and discover the ladder is leaning on the wrong wall? • What does self-value look like for high achievers? • How can I make career decisions that factor in holistic living and quality of life? • What is the value of career stories? (And why are career stories more powerful than advice?) • Why should I embrace uncertainty, curiosity and stepping out of my comfort zone?
2024 - 3414. Alumni collisions; CERN Alumni Third Collisions External links: Talk details; Event details In : CERN Alumni Third Collisions
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2.
Design of a Fast Single-turn Extraction for the ESSnuSB Accumulator / Alekou, Androula (CERN & Uppsala University) ; Bartosik, Hannes (CERN) ; Efthymiopoulos, Ilias (CERN)
In the European Spallation Source (ESS) neutrino Super Beam (ESSnuSB), a very intense neutrino beam will be produced in order to measure with a high precision the CP violating angle at the 2nd oscillation maximum. [...]
CERN-ACC-2020-0027. - 2020. - 7 p.
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3.
Numerical tools for Crab Cavity simulations / Alekou, Androula (University of Manchester (GB)) ; Appleby, Robert Barrie (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Papaphilippou, Yannis (CERN)
This note gives the steps to be followed in order to include the crab cavities module in MAD-X for tracking simulations in SixTrack. [...]
CERN-ACC-NOTE-2020-0042. - 2020. - 16 p.
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4.
Beam-based measurements of the skew-sextupolar component of the radio frequency field of a HL-LHC-type crab-cavity / Carla', Michele (CERN) ; Alekou, Androula (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Carver, Lee Robert (University of Liverpool (GB))
Two High Luminosity Large Hadron Collider (LHC) crab-cavity types have been installed in 2018 in the CERN SPS for testing purposes. [...]
CERN-ACC-NOTE-2020-0024. - 2020. - 26 p.
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5.
Deliverable 2.10: Summary of the observations in the SPS and update of the estimates for HL-LHC / Alekou, Androula (University of Manchester (GB)) ; Antoniou, Fanouria (CERN) ; Appleby, Robert Barrie (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Calaga, Rama (CERN) ; Carla', Michele (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Papaphilippou, Yannis (CERN) ; Welsch, Carsten Peter (University of Liverpool (GB))
Over the course of 2018, 7 machine developments were conducted for dedicated crab cavity measurements with each measurement slot consisting of 10 hours of SPS machine time. [...]
CERN-ACC-2020-0002. - 2020. - 22 p.
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Deliverable 2.7: Analysis of the existing sources of blow-up in the SPS by experiments and estimation/measurement of the effect of the crab cavities in the SPS / Alekou, Androula (University of Manchester (GB)) ; Antoniou, Fanouria (CERN) ; Appleby, Robert Barrie (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Calaga, Rama (CERN) ; Carla', Michele (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Papaphilippou, Yannis (CERN) ; Welsch, Carsten Peter (University of Liverpool (GB))
The Crab Cavities (CCs) may induce emittance growth, driven by phase and amplitude jitter, and lead to a degradation of the High Luminosity LHC (HL-LHC) beam. [...]
CERN-ACC-2020-0001. - 2020. - 18 p.
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7.
Beam dynamics simulations with Crab Cavities in the SPS machine / Alekou, Androula (CERN ; U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Appleby, Robert (U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Bartosik, Hannes (CERN) ; Carlà, Michele (CERN) ; Papaphilippou, Yannis (CERN)
The LHC Upgrade, called High Luminosity LHC, aims to increase the integrated luminosity by a factor of 10. To achieve this, the project relies on a number of key innovative technologies, including the use of superconducting Crab Cavities with ultra-precise phase control for beam rotation. [...]
CERN-ACC-2019-147.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPGW095 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPGW095
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8.
First machine development results with HL-LHC crab cavities in the SPS / Carver, Lee (U. Liverpool (main)) ; Alekou, Androula (U. Manchester (main)) ; Antoniou, Fanouria (CERN) ; Appleby, Robert (U. Manchester (main)) ; Bartosik, Hannes (CERN) ; Bohl, Thomas (CERN) ; Burt, Graeme (Lancaster U. (main)) ; Calaga, Rama (CERN) ; Carlà, Michele (CERN) ; Levens, Thomas (CERN) et al.
Crab cavities are a critical component within the High Luminosity upgrade project for the Large Hadron Collider (HL-LHC). It is foreseen to use crab cavities in order to compensate the geometric luminosity reduction factor (reduction of the luminous region at the Interaction Point [IP]) due to the beam crossing angle (required for minimizing the impact of the long range beam-beam effects on the single particle beam dynamics) and increase the number of collisions per bunch crossing. [...]
CERN-ACC-2019-148.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPGW094 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPGW094
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9.
Beam-based measurement of the skew-sextupolar component of the radio frequency field of a HL-LHC-type crab-cavity / Carlà, Michele (CERN) ; Alekou, Androula (CERN ; U. Manchester (main)) ; Bartosik, Hannes (CERN) ; Carver, Lee (CERN ; U. Liverpool (main))
Two High Luminosity Large Hadron Collider (LHC) type crab-cavities have been installed in the CERN SPS for testing purposes. An attempt to characterize the skew-sextupolar component of the radio frequency field of the crab-cavity ($a_3$) has been carried out by means of beam-based techniques using turn-by-turn monitoring of the betatron motion. [...]
CERN-ACC-2019-082.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPTS090 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPTS090
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10.
Prediction of Beam Losses during Crab Cavity Quenches at the HL-LHC / Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Cockcroft Inst. Accel. Sci. Tech.) ; Dexter, Amos (Cockcroft Inst. Accel. Sci. Tech.) ; Shipman, Nick (Cockcroft Inst. Accel. Sci. Tech.) ; Baudrenghien, Philippe (CERN) ; Calaga, Rama (CERN) ; Castilla, Alejandro (CERN) ; Macpherson, Alick (CERN) ; Sjobak, Kyrre Ness (CERN) ; Santamaria Garcia, Andrea (CERN) et al.
Studies of the crab cavities at KEKB revealed that the RF phase could shift by up to 50o within ~50 us during a quench; while the cavity voltage is still at approximately 75% of its nominal amplitude. If such a failure were to occur on the HL-LHC crab cavities, it is likely that the machine would sustain substantial damage to the beam line and surrounding infrastructure due to uncontrolled beam loss before the machine protection system could dump the beam. [...]
arXiv:1812.01308.- 2019-06-19 - 22 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 061001 Fulltext: PDF; Fulltext from Publisher: PDF;
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