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CERN Document Server Sök i 2,049 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.68 sekunder. 
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MD 1266: Injection of "high performance reach" 80b 25 ns beam / Bartmann, Wolfgang (CERN) ; Fraser, Matthew Alexander (CERN) ; Iadarola, Giovanni (CERN) ; Kain, Verena (CERN) ; Velotti, Francesco Maria (CERN) ; Muller, Jeremy Alfred
This note summarises the measurements and observations performed during the LHC Machine Development concerning the injection of batches of 80 bunches for future “high performance reach” of the LHC [...]
CERN-ACC-NOTE-2017-0003. - 2017. - 9 p.
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MD 1242: Injection and emittance preservation / Bartosik, Hannes (CERN) ; Bravin, Enrico (CERN) ; Iadarola, Giovanni (CERN) ; Kain, Verena (CERN) ; Trad, Georges (CERN) ; Velotti, Francesco Maria (CERN)
This note summarises the measurements and observations performed during the LHC Machine Development concerning the injection and emittance preservation studies with BCMS beam [...]
CERN-ACC-NOTE-2017-0002. - 2017. - 9 p.
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LHC MD4243: Q22 optics in TI2 / Velotti, Francesco Maria (CERN) ; Bartmann, Wolfgang (CERN) ; Bracco, Chiara (CERN) ; Goddard, Brennan (CERN) ; Hessler, Christoph ; Kain, Verena (CERN) ; Chapochnikova, Elena (CERN) ; Timko, Helga (CERN)
This MD shows the feasibility of operating TI2 with an optics matched to the SPS Q22 optics.Optics studies in the transfer line (TL) were performed together with an injection voltage scan toassess, also, the longitudinal quality of the injected single bunch..
CERN-ACC-NOTE-2019-0054. - 2019. - 5 p.
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SPS quadrupole dog-leg and alignment post LS2 / Velotti, Francesco Maria (CERN) ; Bartosik, Hannes (CERN) ; Bestmann, Patrick (CERN) ; Carlier, Etienne (CERN) ; Cornelis, Karel (CERN) ; Galleazzi, Frederic (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Pasquino, Chiara (CERN)
This document describes the functions of the horizontal and vertical dog-legs in the SPS and the effect of their removal for the injection and dump systems, following the LIU-SPS beam dump upgrade
CERN-ACC-NOTE-2019-0015. - 2019. - 10 p.
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FLUKA simulations of the operational injection losses in TI8/IR8 / Ciccotelli, Alessia (CERN) ; Bracco, Chiara (CERN) ; Cerutti, Francesco (CERN) ; Esposito, Luigi Salvatore (CERN) ; Fraser, Matthew Alexander (CERN) ; Kain, Verena (CERN) ; Mereghetti, Alessio (CERN) ; Velotti, Francesco Maria (CERN)
This document describes the FLUKA studies of SPS-to-LHC injection losses. [...]
CERN-ACC-NOTE-2020-0012. - 2020. - 25 p.
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MD3284: Partially Stripped Ions in the LHC / Schaumann, Michaela (CERN) ; Abramov, Andrey (University of London (GB)) ; Alemany Fernandez, Reyes (CERN) ; Argyropoulos, Theodoros (CERN) ; Bartosik, Hannes (CERN) ; Biancacci, Nicolo (CERN) ; Bohl, Thomas (CERN) ; Bracco, Chiara (CERN) ; Bruce, Roderik (CERN) ; Burger, Stephane (CERN) et al.
On 25 July 2018 partially stripped lead ions with one remaining electron (208Pb81+) were injected, accelerated and stored in the LHC for the first time in the scope of MD3284. [...]
CERN-ACC-NOTE-2019-0012 ; CERN-PBC-Notes-2021-019. - 2019.
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Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations / Iadarola, Giovanni (CERN) ; Skripka, Galina (Joint Institute for Nuclear Research (RU)) ; Albert, Markus (CERN) ; Amorim, David (Universite Grenoble-Alpes (FR)) ; Andujar, Oscar (CERN) ; Antipov, Sergey (CERN) ; Arduini, Gianluigi (CERN) ; Argyropoulos, Theodoros (CERN) ; Bradu, Benjamin (CERN) ; Bartosik, Hannes (CERN) et al.
Electron cloud (e-cloud) effects are among the main performance limitations for the operation of the Large Hadron Collider (LHC) with 25 ns bunch spacing. [...]
CERN-ACC-NOTE-2019-0057. - 2019. - 50 p.
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MD#4164: Separatrix folding with octupoles during slow extraction at SPS / Stoel, Linda (Vienna University of Technology (AT)) ; Fraser, Matthew Alexander (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Velotti, Francesco Maria (CERN)
The powering of the SPS main octupole circuit (LOF) during third-integer slow extraction was tested to reduce the density of the beam impinging the wires of the electrostatic extraction septum (ZS) [...]
CERN-ACC-NOTE-2019-0004. - 2019.
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Measurement report on the LHC injection kicker ripple denition and maximum pulse length (MD 1268) / Bartmann, Wolfgang (CERN) ; Barnes, Mike (CERN) ; Kotzian, Gerd (CERN) ; Stoel, Linda (Vienna University of Technology (AT)) ; Velotti, Francesco Maria (CERN) ; Vlachodimitropoulos, Vasileios (CERN) ; Wiesner, Christoph (CERN)
The present LHC lling scheme uses a batch spacing which corresponds to the design report specication of the injection kicker rise time. [...]
CERN-ACC-NOTE-2016-0077. - 2016. - 3 p.
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Extraction and beam transfer for the SHiP facility / SHiP collaboration
This document summarises the key feasibility issues associated with the SPS extraction and beam transfer systems required for the SHiP facility. It describes the expected performance limits of the electrostatic septa, the expected beam losses during extraction and consequences, the design of the new beamline geometry and equipment systems and the expected extracted spill structure..
CERN-SHiP-NOTE-2015-005.- Geneva : CERN, 2015 Fulltext: PDF;
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