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CERN Document Server 19 records found  1 - 10next  jump to record: Search took 0.54 seconds. 
1.
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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2.
Electron cloud formation in CERN particle accelerators and its impact on the beam dynamics / Romano, Annalisa
In high energy accelerators operating with positively charged particles, photoemission and secondary emission can give rise to an exponential electron multiplication within the beam chamber, which leads to the formation of a so-called Electron Cloud (EC) [...]
136 p.

TU Darmstadt server - Fulltext
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3.
Electron cloud formation in CERN particle accelerators and its impact on the beam dynamics / Romano, Annalisa
In high energy accelerators operating with positively charged particles, photoemission and secondary emission can give rise to an exponential electron multiplication within the beam chamber, which leads to the formation of a so-called Electron Cloud (EC) [...]
CERN-THESIS-2018-299 -

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4.
Electron cloud buildup driving spontaneous vertical instabilities of stored beams in the Large Hadron Collider / Romano, Annalisa (CERN ; Darmstadt, Tech. U.) ; Boine-Frankenheim, Oliver (Darmstadt, Tech. U.) ; Buffat, Xavier (CERN) ; Iadarola, Giovanni (CERN) ; Rumolo, Giovanni (CERN)
At the beginning of the 2016 run, an anomalous beam instability was systematically observed at the CERN Large Hadron Collider (LHC). Its main characteristic was that it spontaneously appeared after beams had been stored for several hours in collision at 6.5 TeV to provide data for the experiments, despite large chromaticity values and high strength of the Landau-damping octupole magnet. [...]
2018 - 9 p. - Published in : Phys. Rev. Accel. Beams 21 (2018) 061002 Fulltext: PDF;
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5.
Electron Cloud Effects at the LHC and LHC Injectors / Rumolo, Giovanni (CERN) ; Bartosik, Hannes (CERN) ; Belli, Eleonora (Rome U. ; CERN) ; Dijkstal, Philipp (CERN ; Darmstadt, Tech. U.) ; Iadarola, Giovanni (CERN) ; Li, Kevin (CERN) ; Mether, Lotta (CERN) ; Romano, Annalisa (CERN) ; Schenk, Michael (Ecole Polytechnique, Lausanne ; CERN) ; Zimmermann, Frank (CERN)
Electron cloud effects are one of the main limitations of the performance of the LHC and its injectors. Enormous progress has been done in the simulation of the electron cloud build-up and of the effects on beam stability while mitigation measures have been identified and implemented (scrubbing, low secondary electron yield coatings, etc.). [...]
CERN-ACC-2017-110.- 2017 - 7 p. - Published in : 10.18429/JACoW-IPAC2017-MOZA1 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOZA1
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6.
Macroparticle Simulation Studies of the LHC Beam Dynamics in the Presence of Electron Cloud / Romano, Annalisa (CERN) ; Iadarola, Giovanni (CERN) ; Li, Kevin (CERN) ; Rumolo, Giovanni (CERN)
Beam quality degradation caused by the Electron Cloud (EC) effects has been identified as one of the main performance limitations for the high intensity 25 ns beams in the Large Hadron Collider (LHC). When a proton bunch passes through an EC, electrons are attracted towards the transverse center of the beam resulting into an increasing electron density within the bunch. [...]
CERN-ACC-2017-141.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-TUPVA018 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPVA018
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7.
Upgrading the SPS Fast Extraction Kicker Systems for HL-LHC / Barnes, Michael (CERN) ; Beck, Mario (CERN) ; Day, Hugo (CERN) ; Ducimetière, Laurent (CERN) ; Garcia-Tabares Valdivieso, Elisa (CERN) ; Goddard, Brennan (CERN) ; Neupert, Holger (CERN) ; Romano, Annalisa (CERN) ; Vega Cid, Lorena (CERN) ; Weterings, Wim (CERN) et al.
The CERN SPS has two fast extraction systems, each consisting of travelling wave kicker magnets (MKEs). The beam induced heating in the ferrite yoke of these magnets was historically kept to an acceptable level by implementing water cooling of the kicker magnets: in addition serigraphy was applied on the surfaces of the ferrite yoke facing the beam. [...]
CERN-ACC-2017-217.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-WEPVA097 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPVA097
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8.
Evolution of Python Tools for the Simulation of Electron Cloud Effects / Iadarola, Giovanni (CERN) ; Belli, Eleonora (CERN) ; Li, Kevin (CERN) ; Mether, Lotta (CERN) ; Romano, Annalisa (CERN) ; Rumolo, Giovanni (CERN)
PyECLOUD was originally developed as a tool for the simulation of electron cloud build-up in particle accelerators. Over the last five years the code has become part of a wider set of modular and scriptable python tools that can be combined to study different effects of the e-cloud in increasingly complex scenarios. [...]
CERN-ACC-2017-240.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-THPAB043 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.THPAB043
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9.
MD468: Electron Cloud Reference Fills and Dependence on the Bunch Intensity / Iadarola, Giovanni (CERN) ; Dijkstal, Philipp (Technische Universitaet Darmstadt (DE)) ; Mether, Lotta (Ecole Polytechnique Federale de Lausanne (CH)) ; Romano, Annalisa (Technische Universitaet Darmstadt (DE)) ; Rumolo, Giovanni (CERN)
This note describes a Machine Development session performed to investigate the dependence of e-cloud build-up and instabilities on the bunch population of the circulating beam. [...]
CERN-ACC-NOTE-2017-0029. - 2017.
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10.
MD421: Electron cloud studies on 25 ns beam variants (BCMS, 8b+4e) / Iadarola, Giovanni (CERN) ; Bartosik, Hannes (CERN) ; Belli, Eleonora (Sapienza Universita e INFN, Roma I (IT)) ; Carver, Lee Robert (CERN) ; Dijkstal, Philipp (Technische Universitaet Darmstadt (DE)) ; Li, Kevin Shing Bruce (CERN) ; Mether, Lotta (Ecole Polytechnique Federale de Lausanne (CH)) ; Romano, Annalisa (Technische Universitaet Darmstadt (DE)) ; Rumolo, Giovanni (CERN)
This note describes a Machine Development session performed with the main goal of studying the e-cloud mitigation that can be obtained by injecting mixed trains of 8b+4e beam type and trains having the standard 25 ns structure. [...]
CERN-ACC-NOTE-2017-0028. - 2017.
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CERN Document Server : 19 records found   1 - 10next  jump to record:
See also: similar author names
87 Romano, A
4 Romano, A E
15 Romano, A.
2 Romano, A.E.
2 Romano, Aldo
1 Romano, Alfonso
37 Romano, Angela
2 Romano, Anna
2 Romano, Anna Lisa
1 Romano, Anthony
12 Romano, Antonio
2 Romano, Antonio E
60 Romano, Antonio Enea
1 Romano, Antony
87 romano, A
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