Shaposhnikova, E. - Resultados da pesquisa

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Chapter 21: Beam from Injectors: The LHC Injectors Upgrade (LIU) Project / Meddahi, M (CERN) ; Rumolo, G (CERN) ; Alemany, R (CERN) ; Bartosik, H (CERN) ; Bellodi, G (CERN) ; Coupard, J (CERN) ; Damerau, H (CERN) ; Di Giovanni, G P (CERN) ; Funken, A (CERN) ; Garoby, R et al.
The LHC Injectors Upgrade (LIU) project aims at increasing the intensity and brightness in the LHC injectors in order to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring high availability and reliable operation of the injectors complex up to the end of the HL-LHC era. Fulfilling this goal requires extensive hardware modifications and new beam dynamics solutions across the entire LHC proton and ion injection chains: the new Linac4, the Proton Synchrotron Booster (PSB), the Proton Synchrotron (PS), the Super Proton Synchrotron (SPS), together with Linac3 and the Low Energy Ion Ring (LEIR) as ion PS injectors. [...]
2024 - 17 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 457-473 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.457-473

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Beam Performance with the LHC Injectors Upgrade / zannini, C (CERN) ; Wegner, R (CERN) ; Vollinger, C (CERN) ; Veness, R (CERN) ; Velotti, F (CERN) ; Sullivan, M (CERN) ; Steerenberg, R (CERN) ; Spierer, A (CERN) ; Skowronski, P (CERN) ; Sito, L (CERN) et al.
The LHC Injectors Upgrade (LIU) project was put in place between 2010 and 2021 to increase the intensity and brightness in the LHC injectors to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring reliable operation of the injectors complex up to the end of the HL-LHC era (ca. 2040). [...]
2024 - 8 p. - Published in : JACoW HB 2023 (2024) 1-8 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.1-8

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Longitudinal instabilities & Intensity effects / Shaposhnikova, Elena (speaker)
In this lecture, dealing with intensity effects, the equations of motion with induced beam voltage are analysed. This allows, first, to describe single-bunch potential well distortion and loss of Landau damping. Then the linearised Vlasov equation is used to derive step-by-step the Lebedev equation. [...]
2023 - 3256. CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany External links: Talk details; Event details In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany

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Longitudinal beam dynamics II / Shaposhnikova, Elena (speaker)
In the first part of the lecture, the main characteristics of synchrotron motion, namely, synchronous particle and phase, bucket area and emittance are introduced. The equations of longitudinal particle motion in a single RF system of a proton synchrotron are re-derived and the phase equation is analysed for small and large amplitude particles. [...]
2023 - 3090. CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany External links: Talk details; Event details In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany

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Generalized threshold of longitudinal multibunch instability in synchrotrons / Karpov, Ivan (CERN) ; Shaposhnikova, Elena (CERN)
Beam stability is an essential requirement for particle accelerators. Longitudinal coupled-bunch instabilities (CBI) are driven by beam interaction with long-range wakefields induced in the resonant structures with narrow-band impedance. [...]
arXiv:2309.06638.- 2024-07-01 - 14 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 074401 Fulltext: 2309.06638 - PDF; Publication - PDF;

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Impact of Broadband Impedance on Longitudinal Coupled-Bunch Instability Threshold / Karpov, Ivan (CERN) ; Shaposhnikova, Elena (CERN)
Coupled-bunch instabilities (CBI) and the loss of Landau damping (LLD) in the longitudinal plane can affect the performance of high-current synchrotrons. The former is driven by the narrowband impedance of resonant structures, while the latter is mainly determined by the broadband impedance of the entire accelerator and is a single-bunch effect. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2245-2248 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2245-2248

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Achievements and Performance Prospects of the Upgraded LHC Injectors / Kain, Verena (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Angoletta, Maria Elena (CERN) ; Antoniou, Fanouria (CERN) ; Argyropoulos, Theodoros (CERN) ; Asvesta, Foteini (CERN) ; Balhan, Bruno (CERN) ; Barnes, Michael (CERN) ; Barrientos, Diego (CERN) et al.
To provide HL-LHC performance, the CERN LHC injector chain underwent a major upgrade during an almost 2-year-long shutdown. In the first half of 2021 the injectors were gradually re-started with the aim to reach at least pre-shutdown parameters for LHC as well as for fixed target beams. [...]
2022 - 6 p. - Published in : JACoW IPAC 2022 (2022) 1610-1615 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1610-1615

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Experimental study of controlled longitudinal blow-up / Cappi, R ; Garoby, R ; Shaposhnikova, E N
CERN-PS-92-40-RF.- Geneva : CERN, 1992 - 19 p. Fulltext: PDF;

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New Analytical Criteria for Loss of Landau Damping in Longitudinal Plane / Karpov, Ivan (CERN) ; Argyropoulos, Theodoros (CERN) ; Nese, Sigurd (U. Bergen (main)) ; Shaposhnikova, Elena (CERN)
Landau damping is a very important stabilization mechanism of beams in circular hadron accelerators. In the longitudinal plane, Landau damping is lost when the coherent mode is outside of the incoherent synchrotron frequency spread. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 100-105 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.100-105

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10.

Controlled Longitudinal Emittance Blow-Up for High Intensity Beams in the CERN SPS / Quartullo, Danilo (CERN) ; Damerau, Heiko (CERN) ; Karpov, Ivan (CERN) ; Papotti, Giulia (CERN) ; Shaposhnikova, Elena (CERN) ; Zisou, Charilaos (CERN)
Controlled longitudinal emittance blow-up will be required to longitudinally stabilise the beams for the HighLuminosity LHC in the SPS. Bandwidth-limited noise is injected at synchrotron frequency sidebands of the RF voltage of the main accelerating system through the beam phase loop. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 71-76 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.71-76

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Veja também: nomes de autores similares
164	Shaposhnikova, E
34	Shaposhnikova, E N
1	Shaposhnikova, El
158	Shaposhnikova, Elena
158	shaposhnikova, Elena

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