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SPS and CNGS

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2019-11-16
04:03
Design and operation of the air-cooled beam dump for the extraction line of CERN's Proton Synchrotron Booster (PSB) / Perillo-Marcone, Antonio (CERN) ; Calviani, Marco (CERN) ; Solieri, Nicola (CERN) ; Kaiser, Paul (CERN) ; Sarrio, Alba (CERN) ; Venturi, Valentina (CERN) ; Vlachoudis, Vasilis (CERN)
A new beam dump has been designed, built, installed and operated to withstand the future proton beam extracted from the Proton Synchrotron Booster (PSB) in the framework of the LHC Injector Upgrade (LIU) Project at CERN, consisting of up to 1E14 protons per pulse at 2 GeV, foreseen after the machine upgrades planned for CERN's Long Shutdown 2 (2019-2020). [...]
arXiv:1910.08493. - 18 p.
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2019-11-15
05:00
The XBPF, a new multipurpose scintillating fibre monitor for the measurement of secondary beams at CERN / Ortega Ruiz, I. (CERN) ; Fosse, L. (CERN) ; Franchi, J. (CERN) ; Frassier, A. (CERN) ; Fullerton, J. (CERN) ; Kral, J. (CERN) ; Lauener, J. (CERN) ; Schneider, T. (CERN) ; Tranquille, G. (CERN)
The Beam Instrumentation group at CERN has developed a new scintillating fibre beam monitor for the measurement of secondary particle beams in the CERN Experimental Areas. [...]
arXiv:1910.12519. - 15 p.
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2019-11-08
04:03
Impedance reduction of the High-frequency Cavities in the CERN PS by Multi-harmonic Feedback / Bertin, Florian (CERN) ; Brischetto, Ylenia (CERN) ; Damerau, Heiko (CERN) ; Jibar, Azeddine (CERN) ; Perrelet, Damien (CERN)
In the framework of the "LHC Injectors Upgrade" (LIU) project, the CERN Proton Synchrotron (PS) is being prepared as a pre-injector for the Large Hadron Collider at high luminosity (HL-LHC). [...]
arXiv:1910.06874 ; LLRF2019/180. - 4 p.
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2019-11-01
06:03
SixTrack project: Status, runtime environment, and new developments / De Maria, Riccardo (CERN) ; Andersson, Joel (CERN) ; Field, Laurence (CERN) ; Giovannozzi, Massimo (CERN) ; Hermes, Pascal (CERN) ; Hoimyr, Nils (CERN) ; Iadarola, Giovanni (CERN) ; Kostoglou, Sofia (CERN) ; Maclean, Ewen (CERN ; U. Malta) ; McIntosh, Eric (CERN) et al.
SixTrack is a single-particle tracking code for high-energy circular accelerators routinely used at CERN for the Large Hadron Collider (LHC), its luminosity upgrade (HL-LHC), the Future Circular Collider (FCC), and the Super Proton Synchrotron (SPS) simulations. The code is based on a 6D symplectic tracking engine, which is optimised for long-term tracking simulations and delivers fully reproducible results on several platforms. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICAP2018-TUPAF02 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.TUPAF02

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2019-11-01
06:03
Muon background studies for beam dump operation of the K12 beam line at CERN / Rosenthal, Marcel (CERN) ; Banerjee, Dipanwita (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Döbrich, Babette (CERN) ; Gatignon, Laurent (CERN) ; Gerbershagen, Alexander (CERN) ; Montbarbon, Eva (CERN) ; Rae, Bastien (CERN) et al.
In the scope of the Physics Beyond Colliders study at CERN a future operation of the NA62 experiment in beam dump mode is discussed, enabling the search for dark sector particles, e.g. heavy neutral leptons, dark photons and axions. [...]
2019 - 6 p. - Published in : 10.18429/JACoW-ICAP2018-SUPAG05 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.SUPAG05

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2019-11-01
06:03
Space charge and transverse instabilities at the CERN SPS and LHC / Métral, Elias (CERN) ; Amorim, David (CERN) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Benedetto, Elena (CERN) ; Burkhardt, Helmut (CERN) ; Li, Kevin (CERN) ; Oeftiger, Adrian (CERN) ; Quatraro, Diego (CERN) ; Rumolo, Giovanni (CERN) et al.
At the CERN accelerator complex, it seems that only the highest energy machine in the sequence, the LHC, with space charge (SC) parameter close to one, sees the predicted beneficial effect of SC on transverse coherent instabilities. In the other circular machines of the LHC injector chain (PSB, PS and SPS), where the SC parameter is much bigger than one, SC does not seem to play a major (stabilising) role, and it is maybe the opposite in the SPS. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICAP2018-SUPAG01 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.SUPAG01

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2019-11-01
06:03
HOM-mitigation for future SPS 33-cell 200 MHz accelerating structures / Kramer, Patrick (CERN ; RWTH Aachen U.) ; Vollinger, Christine (CERN)
The CERN SPS 200 MHz travelling wave (TW) accelerating structures pose an intensity limitation for the planned High Luminosity (HL-) LHC upgrade. Higher-order modes (HOMs) around 630 MHz have been identified as one of the main sources of longitudinal multi-bunch instabilities. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICAP2018-SAPAG04 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.SAPAG04

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2019-10-31
20:37
New developments for ALICE MasterClasses and the new Particle Therapy MasterClass / Graczykowski, Lukasz Kamil (Warsaw University of Technology (PL)) ; Foka, Yiota (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) ; Nowakowski, Piotr (Warsaw University of Technology (PL))
Heavy-ion physics is present within the "International MasterClasses" for almost ten years. New developments aiming at expanding their scope and reach are presented in this talk. [...]
IPPOG-CONF-SLIDES-009.- Geneva : CERN, 2019 version 1: PDF; version 2 - on IMC template: PDF;

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2019-10-31
09:54
Advancing the CERN proton synchrotron multiturn extraction towards the high-intensity proton beams frontier / Huschauer, A (CERN) ; Bartosik, H (CERN) ; Cettour Cave, S (CERN) ; Coly, M (CERN) ; Cotte, D (CERN) ; Damerau, H (CERN) ; Di Giovanni, G P (CERN) ; Gilardoni, S (CERN) ; Giovannozzi, M (CERN) ; Kain, V (CERN) et al.
Complementary to the physics research at the LHC, several fixed-target facilities receive beams from the LHC injector complex. To serve the fixed-target physics programme at the super proton synchrotron, high-intensity proton beams from the proton synchrotron are extracted using the multiturn extraction technique based on trapping parts of the beam in stable resonance islands. [...]
2019 - 13 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 104002 Fulltext: PDF;

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2019-10-31
09:54
Simulations of longitudinal beam stabilisation in the CERN SPS with BLonD / Repond, Joël (CERN ; Ecole Polytechnique, Lausanne) ; Iliakis, Konstantinos (CERN) ; Schwarz, Markus (CERN) ; Shaposhnikova, Elena (CERN)
The Super Proton Synchrotron (SPS) at CERN, the Large Hadron Collider (LHC) injector, will be pushed to its limits for the production of the High Luminosity LHC proton beam while beam quality and stability in the longitudinal plane are influenced by many effects. Particle simulation codes are an essential tool to study the beam instabilities. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICAP2018-TUPAF06 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.TUPAF06

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