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CERN Document Server Намерени са 2,046 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.53 секунди. 
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Emittance growth studies due to Crab Cavity induced amplitude noise in the SPS / Fornara, Andrea (Manchester U. ; CERN) ; Trad, Georges (CERN) ; Sterbini, Guido (CERN) ; Bartosik, Hannes (CERN) ; Triantafyllou, Natalia (CERN) ; Baudrenghien, Philippe (CERN) ; Calaga, Rama (CERN) ; Appleby, Robert (Manchester U.) ; Kostoglou, Sofia (CERN) ; Levens, Thomas (CERN) et al.
In the context of the HL-LHC upgrade, RF Crab Cavities (CCs) are one of the key components to achieve the target integrated luminosity. Due to the increased bunch intensity, the collider will operate with a large crossing angle scheme to alleviate the long-range beam-beam effect. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) THPC63 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC63
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2.
(91)
Impact of Crab Cavity RF noise on the transverse beam profiles in the HL-LHC / Fornara, A (U. Manchester (main)) ; Appleby, R (U. Manchester (main)) ; Sterbini, G (CERN)
Crab Cavities (CCs) are a key component for the HL-LHC luminosity upgrade. To significantly reduce the Long-Range Beam-Beam (LRBB) effects a large crossing angle scheme is needed . [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) WEPL119 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPL119
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Suppression of Crab Cavity Noise Induced Emittance Growth by Transverse Beam Coupling Impedance / Triantafyllou, Natalia (Liverpool U. ; CERN) ; Antoniou, Fanouria (CERN) ; Bartosik, Hannes (CERN) ; Baudrenghien, Philippe (CERN) ; Buffat, Xavier (CERN) ; Calaga, Rama (CERN) ; Mastoridis, Themis (Cal. Poly.) ; Papaphilippou, Yannis (CERN) ; Wolski, Andrzej (Liverpool U.)
Crab cavities are a key component of the High Luminosity LHC (HL-LHC) upgrade, as they aim to mitigate the luminosity reduction induced by the crossing angle. Two superconducting crab cavities (CCs) were installed in the Super Proton Synchrotron (SPS) at CERN in 2018 to demonstrate their operation in a proton machine for the first time. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 1659-1662 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1659-1662
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Studies of the emittance growth due to noise in the Crab Cavity RF systems / Triantafyllou, Natalia
The High-Luminosity LHC (HL-LHC) is the upgrade of the Large Hadron Collider (LHC) machine which aims to increase significantly the luminosity at the experiments in order to extend the potential for physics discoveries [...]
CERN-THESIS-2022-415 DOI:10.17638/03168298. - 2022 - 268.


10.17638/03168298
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(51)
Transverse emittance growth due to rf noise in crab cavities: Theory, measurements, cure, and high luminosity LHC estimates / Baudrenghien, P (CERN) ; Mastoridis, T (Cal. Poly.)
The High-Luminosity LHC (HL-LHC) upgrade with planned operation from 2029 onward has a goal of achieving a tenfold increase in the integrated number of recorded collisions thanks to a doubling of the intensity per bunch (2.2×1011 protons) and a reduction of β* (the β value in the two high luminosity detectors, namely ATLAS and CMS) to 15 cm. Such an increase in recorded collisions would significantly expedite new discoveries and exploration. [...]
2024 - 20 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 051001 Fulltext: PDF;
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Investigation of Damping Effects of the Crab Cavity Noise Induced Emittance Growth / Triantafyllou, Natalia (Liverpool U. ; CERN) ; Antoniou, Fanouria (CERN) ; Bartosik, Hannes (CERN) ; Baudrenghien, Philippe (CERN) ; Buffat, Xavier (CERN) ; Calaga, Rama (CERN) ; Carver, Lee R (Liverpool U. ; ESRF, Grenoble) ; Mastoridis, Themis (Cal. Poly.) ; Papaphilippou, Yannis (CERN) ; Wolski, Andrzej (Liverpool U.)
Crab cavities will be installed at the two main interaction points (IP1 and IP5) of the High Luminosity LHC (HL-LHC) in order to minimize the geometric reduction of the luminosity due to the crossing angle. Two prototype crab cavities have been installed into the SPS machine and were tested with a proton beam in 2018, to study the expected emittance growth induced by RF noise. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 2054-2057 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2054-2057
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(43)
Transverse emittance growth due to rf noise in the high-luminosity LHC crab cavities / Baudrenghien, P (CERN) ; Mastoridis, T (Cal. Poly.)
The high-luminosity LHC (HiLumi LHC) upgrade with planned operation from 2025 onward has a goal of achieving a tenfold increase in the number of recorded collisions thanks to a doubling of the intensity per bunch (2.2e11 protons) and a reduction of β* to 15 cm. Such an increase would significantly expedite new discoveries and exploration. [...]
2015 - 23 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 101001 APS Open Access article: PDF;
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Proton-beam emittance growth in SPS coasts   / Calaga, R (CERN) ; Ficcadenti, L (CERN) ; Metral, E (CERN) ; Tomas, R (CERN) ; Tuckmantel, J (CERN) ; Zimmermann, F (CERN)
WP: 4: AccNet: Accelerator Science Networks
Task: 4.2: EuroLumi

Proton-beam transverse emittance growth rates were measured during SPS coasts to assess the possibility of using the SPS as a testbed for the LHC prototype crab cavities. [...]
EuCARD-CON-2012-011 ; CERN-ATS-2012-077. - 2012. - 3 p.
Full text - Published version from JaCoW - Fulltext
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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.
Full text
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(39)
Crab Cavity RF Noise Feedback and Transverse Damper Interaction / Baudrenghien, Philippe (CERN) ; Mastoridis, Themistoklis (California Polytechnic State Univ. (US)) ; Miller, Benjamin Nicholas
Crab cavities are an important component of the LHC upgrade, and will contribute strongly to achieving an increase in the number of recorded collisions [...]
CERN-ACC-NOTE-2019-0006. - 2019. - 7 p.
Full text
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