Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations

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. A large number of electrons impacting on the beam-screens of the superconducting magnets induces significant heat load, reaching values close to...

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Autores principales: Iadarola, Giovanni, Skripka, Galina, Albert, Markus, Amorim, David, Andujar, Oscar, Antipov, Sergey, Arduini, Gianluigi, Argyropoulos, Theodoros, Bradu, Benjamin, Bartosik, Hannes, Bracco, Chiara, Crockford, Guy, Damerau, Heiko, De Maria, Riccardo, Di Giovanni, Gian Piero, Dumont, Jean-Charles, Fartoukh, Stephane, Follin, Fabio, Fuchsberger, Kajetan, Fuster Martinez, Nuria, Giordano, Francesco, Hemelsoet, Georges-Henry, Jaussi, Michael, Kain, Verena, Kolbeck, Luciana, Komppula, Jani Paavo Olavi, Le Borgne, Yannick, Li, Kevin Shing Bruce, Maclean, Ewen Hamish, Mether, Lotta, Metral, Elias, Papotti, Giulia, Paraschou, Konstantinos, Persson, Tobias Hakan Bjorn, Redaelli, Stefano, Romano, Annalisa, Rumolo, Giovanni, Sabato, Luca, Salvachua Ferrando, Belen Maria, Salvant, Benoit, Schaumann, Michaela, Chapochnikova, Elena, Soderen, Martin, Solfaroli Camillocci, Matteo, Suykerbuyk, Ronaldus, Sveen, Ole Gunnar, Tavian, Laurent Jean, Teofili, Lorenzo, Timko, Helga, Tomas Garcia, Rogelio, Trad, Georges, Uythoven, Jan, Uznanski, Slawosz, Valuch, Daniel, Velotti, Francesco Maria, Walsh, David John, Wenninger, Jorg, Wulff, Eric
Lenguaje:eng
Publicado: 2019
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2705513
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author Iadarola, Giovanni
Skripka, Galina
Albert, Markus
Amorim, David
Andujar, Oscar
Antipov, Sergey
Arduini, Gianluigi
Argyropoulos, Theodoros
Bradu, Benjamin
Bartosik, Hannes
Bracco, Chiara
Crockford, Guy
Damerau, Heiko
De Maria, Riccardo
Di Giovanni, Gian Piero
Dumont, Jean-Charles
Fartoukh, Stephane
Follin, Fabio
Fuchsberger, Kajetan
Fuster Martinez, Nuria
Giordano, Francesco
Hemelsoet, Georges-Henry
Jaussi, Michael
Kain, Verena
Kolbeck, Luciana
Komppula, Jani Paavo Olavi
Le Borgne, Yannick
Li, Kevin Shing Bruce
Maclean, Ewen Hamish
Mether, Lotta
Metral, Elias
Papotti, Giulia
Paraschou, Konstantinos
Persson, Tobias Hakan Bjorn
Redaelli, Stefano
Romano, Annalisa
Rumolo, Giovanni
Sabato, Luca
Salvachua Ferrando, Belen Maria
Salvant, Benoit
Schaumann, Michaela
Chapochnikova, Elena
Soderen, Martin
Solfaroli Camillocci, Matteo
Suykerbuyk, Ronaldus
Sveen, Ole Gunnar
Tavian, Laurent Jean
Teofili, Lorenzo
Timko, Helga
Tomas Garcia, Rogelio
Trad, Georges
Uythoven, Jan
Uznanski, Slawosz
Valuch, Daniel
Velotti, Francesco Maria
Walsh, David John
Wenninger, Jorg
Wulff, Eric
author_facet Iadarola, Giovanni
Skripka, Galina
Albert, Markus
Amorim, David
Andujar, Oscar
Antipov, Sergey
Arduini, Gianluigi
Argyropoulos, Theodoros
Bradu, Benjamin
Bartosik, Hannes
Bracco, Chiara
Crockford, Guy
Damerau, Heiko
De Maria, Riccardo
Di Giovanni, Gian Piero
Dumont, Jean-Charles
Fartoukh, Stephane
Follin, Fabio
Fuchsberger, Kajetan
Fuster Martinez, Nuria
Giordano, Francesco
Hemelsoet, Georges-Henry
Jaussi, Michael
Kain, Verena
Kolbeck, Luciana
Komppula, Jani Paavo Olavi
Le Borgne, Yannick
Li, Kevin Shing Bruce
Maclean, Ewen Hamish
Mether, Lotta
Metral, Elias
Papotti, Giulia
Paraschou, Konstantinos
Persson, Tobias Hakan Bjorn
Redaelli, Stefano
Romano, Annalisa
Rumolo, Giovanni
Sabato, Luca
Salvachua Ferrando, Belen Maria
Salvant, Benoit
Schaumann, Michaela
Chapochnikova, Elena
Soderen, Martin
Solfaroli Camillocci, Matteo
Suykerbuyk, Ronaldus
Sveen, Ole Gunnar
Tavian, Laurent Jean
Teofili, Lorenzo
Timko, Helga
Tomas Garcia, Rogelio
Trad, Georges
Uythoven, Jan
Uznanski, Slawosz
Valuch, Daniel
Velotti, Francesco Maria
Walsh, David John
Wenninger, Jorg
Wulff, Eric
author_sort Iadarola, Giovanni
collection CERN
description 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. A large number of electrons impacting on the beam-screens of the superconducting magnets induces significant heat load, reaching values close to the full cooling capacity available from the cryogenic system. A number of Machine Development (MD) sessions in 2018 was dedicated to characterizing the heat load as a function of beam and machine parameters, investigating in particular its distribution along the ring and its dependence on the filling pattern, bunch population and bunch length. The main results of these measurements have been compared against simulations performed with the PyECLOUD code in order to validate the underlying model.
id cern-2705513
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2019
record_format invenio
spelling cern-27055132020-01-08T23:04:20Zhttp://cds.cern.ch/record/2705513engIadarola, GiovanniSkripka, GalinaAlbert, MarkusAmorim, DavidAndujar, OscarAntipov, SergeyArduini, GianluigiArgyropoulos, TheodorosBradu, BenjaminBartosik, HannesBracco, ChiaraCrockford, GuyDamerau, HeikoDe Maria, RiccardoDi Giovanni, Gian PieroDumont, Jean-CharlesFartoukh, StephaneFollin, FabioFuchsberger, KajetanFuster Martinez, NuriaGiordano, FrancescoHemelsoet, Georges-HenryJaussi, MichaelKain, VerenaKolbeck, LucianaKomppula, Jani Paavo OlaviLe Borgne, YannickLi, Kevin Shing BruceMaclean, Ewen HamishMether, LottaMetral, EliasPapotti, GiuliaParaschou, KonstantinosPersson, Tobias Hakan BjornRedaelli, StefanoRomano, AnnalisaRumolo, GiovanniSabato, LucaSalvachua Ferrando, Belen MariaSalvant, BenoitSchaumann, MichaelaChapochnikova, ElenaSoderen, MartinSolfaroli Camillocci, MatteoSuykerbuyk, RonaldusSveen, Ole GunnarTavian, Laurent JeanTeofili, LorenzoTimko, HelgaTomas Garcia, RogelioTrad, GeorgesUythoven, JanUznanski, SlawoszValuch, DanielVelotti, Francesco MariaWalsh, David JohnWenninger, JorgWulff, EricBeam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulationsAccelerators and Storage RingsElectron cloud (e-cloud) effects are among the main performance limitations for the operation of the Large Hadron Collider (LHC) with 25 ns bunch spacing. A large number of electrons impacting on the beam-screens of the superconducting magnets induces significant heat load, reaching values close to the full cooling capacity available from the cryogenic system. A number of Machine Development (MD) sessions in 2018 was dedicated to characterizing the heat load as a function of beam and machine parameters, investigating in particular its distribution along the ring and its dependence on the filling pattern, bunch population and bunch length. The main results of these measurements have been compared against simulations performed with the PyECLOUD code in order to validate the underlying model.CERN-ACC-NOTE-2019-0057oai:cds.cern.ch:27055132019-12-20
spellingShingle Accelerators and Storage Rings
Iadarola, Giovanni
Skripka, Galina
Albert, Markus
Amorim, David
Andujar, Oscar
Antipov, Sergey
Arduini, Gianluigi
Argyropoulos, Theodoros
Bradu, Benjamin
Bartosik, Hannes
Bracco, Chiara
Crockford, Guy
Damerau, Heiko
De Maria, Riccardo
Di Giovanni, Gian Piero
Dumont, Jean-Charles
Fartoukh, Stephane
Follin, Fabio
Fuchsberger, Kajetan
Fuster Martinez, Nuria
Giordano, Francesco
Hemelsoet, Georges-Henry
Jaussi, Michael
Kain, Verena
Kolbeck, Luciana
Komppula, Jani Paavo Olavi
Le Borgne, Yannick
Li, Kevin Shing Bruce
Maclean, Ewen Hamish
Mether, Lotta
Metral, Elias
Papotti, Giulia
Paraschou, Konstantinos
Persson, Tobias Hakan Bjorn
Redaelli, Stefano
Romano, Annalisa
Rumolo, Giovanni
Sabato, Luca
Salvachua Ferrando, Belen Maria
Salvant, Benoit
Schaumann, Michaela
Chapochnikova, Elena
Soderen, Martin
Solfaroli Camillocci, Matteo
Suykerbuyk, Ronaldus
Sveen, Ole Gunnar
Tavian, Laurent Jean
Teofili, Lorenzo
Timko, Helga
Tomas Garcia, Rogelio
Trad, Georges
Uythoven, Jan
Uznanski, Slawosz
Valuch, Daniel
Velotti, Francesco Maria
Walsh, David John
Wenninger, Jorg
Wulff, Eric
Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title_full Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title_fullStr Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title_full_unstemmed Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title_short Beam-induced heat loads on the LHC arc beam screens with different beam and machine configurations: experiments and comparison against simulations
title_sort beam-induced heat loads on the lhc arc beam screens with different beam and machine configurations: experiments and comparison against simulations
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/2705513
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