CERN Accelerating science

All PS Complex

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2024-10-04
08:52
Resonance compensation at the CERN PS booster aided by Bayesian optimization and BOBYQA / Gonzalez-Ortiz, Cristhian (Michigan State U.) ; Asvesta, Foteini (CERN) ; Ainsworth, Robert (Fermilab) ; Prebibaj, Tirsi (CERN)
The CERN Proton Synchrotron Booster (PSB) operation involves the crossing of multiple resonance lines in the tune diagram. Loss maps from dynamic tune scans are a helpful way to visualize and quantify the strength of such resonances. [...]
FERMILAB-CONF-24-0668-AD.- 2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) MOPS17 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPS17

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2024-08-14
09:57
Calibration and Optimisation of Timepix3 Hybrid Pixel Detectors for the Beam Gas Ionisation Profile Monitor in the Proton Synchrotron at CERN / Thiele, Leonard Sebastian
CERN-THESIS-2023-402 - 86 p.


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2024-07-22
11:28
Chaos Map Analysis of Particle Stability in Accelerators / Zampetakis, Michail
It is well known that the combination of space charge and lattice imperfections can put the beam stability at stake when it has to survive for a large number of turns [...]
CERN-THESIS-2018-503 000418807. - Heraklion, Crete : E-Locus, 2018-11-23. - 52 p.


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2024-07-19
10:12
Multi-bunch and Multi-burst Longitudinal Beam Observation in the PS / Krefta, Dawid (Warsaw School of Economics (PL)) ; Huschauer, Alexander (CERN) ; Lasheen, Alexandre (CERN) ; Pahl, Hannes (CERN) ; Trad, Georges (CERN)
A new wall current monitor was installed in the PS during the Year-End Technical Stop 2022-2023 with the aim of using it as a longitudinal beam quality monitor. [...]
CERN-ACC-NOTE-2024-0015.
- 2024. - 16 p.
Full text

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2024-07-05
05:53
Injection and capture of antiprotons in a Penning–Malmberg trap using a drift tube accelerator and degrader foil / Amsler, C. (Stefan Meyer Inst. Subatomare Phys.) ; Breuker, H. (Wako, RIKEN) ; Bumbar, M. (CERN) ; Chesnevskaya, S. (Stefan Meyer Inst. Subatomare Phys.) ; Costantini, G. (Brescia U. ; INFN, Pavia) ; Ferragut, R. (INFN, Milan ; Padua U. ; INFN, Padua) ; Giammarchi, M. (Padua U. ; INFN, Padua) ; Gligorova, A. (Stefan Meyer Inst. Subatomare Phys.) ; Gosta, G. (Brescia U. ; INFN, Pavia) ; Higaki, H. (Hiroshima U.) et al.
The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at the AD in 2018, now supplies a bunch of electron-cooled antiprotons at a fixed energy of 100 keV. [...]
arXiv:2403.09268.- 2024-06-12 - 22 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1065 (2024) 169529 Fulltext: PDF;

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2024-06-15
11:07
Performance of the CERN Proton Synchrotron internal dump: numerical simulation studies and comparison with beam measurements / Niang, S (CERN) ; Pugnat, T (CERN) ; Domange, D (Brussels U.) ; Esposito, L S (CERN) ; Giovannozzi, M (CERN) ; Gnacadja, E (Brussels U.) ; Hernalsteens, C (CERN) ; Huschauer, A (CERN) ; Tesse, R (Brussels U.)
In the framework of the LHC Injector Upgrade project, a newinternal dump for the CERN Proton Synchrotron (PS) ring has beendesigned, installed, and successfully commissioned. This device isdesigned to move rapidly into the beam and stop charged particlesover several thousand turns to provide protection to PS hardwareagainst beam-induced damage. [...]
2024 - 21 p. - Published in : JINST 19 (2024) T06002 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.T06002

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2024-06-15
11:07
Recent advances in the CERN PS impedance model and instability simulations following the LHC Injectors Upgrade project / Joly, S (Rome U. ; CERN) ; Oeftiger, A (Darmstadt, GSI) ; Iadarola, G (CERN) ; Zannini, C (CERN) ; Migliorati, M (Rome U.) ; Mounet, N (CERN) ; Salvant, B (CERN)
Transverse instability growth rates in the CERN ProtonSynchrotron (PS) are studied thanks to the recently updatedimpedance model of the machine. Using this model, macroparticletracking simulations were performed with a new method well-suitedfor the slicing of short wakes, which achieves comparableperformance to the originally implemented method while reducing therequired number of slices by a factor of 5 to 10. [...]
2024 - 24 p. - Published in : JINST 19 (2024) P04018 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.P04018

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2024-06-15
11:07
Linac4 Source and Low Energy Experience and Challenges / Sargsyan, Edgar (CERN) ; Bellodi, Giulia (CERN) ; Di Lorenzo, Francesco (CERN) ; Etxebarria Erdoiza, Jone (CERN) ; Lallement, Jean-Baptiste (CERN) ; Lombardi, Alessandra (CERN) ; O'Neil, Michael (CERN)
At the end of Long Shutdown 2 (LS2), in 2020 Linac4 became the new injector of CERN’s proton accelerator complex. The previous version of the Linac4 H⁻ ion source (IS03), produced an operational pulsed peak beam current of 35 mA, resulting in 27 mA after the Radio-Frequency Quadrupole (RFQ). [...]
2024 - 7 p. - Published in : JACoW HB: 2023 (2024) , pp. WEA4I2
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.WEA4I2

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2024-06-05
09:40
Injector Availability Report 2023 / Felsberger, Lukas (CERN) ; Asko, Anti (CERN) ; Di Giovanni, Gian Piero (CERN) ; Heron, Jack (CERN) ; Mikulec, Bettina (CERN) ; Uythoven, Jan (CERN) ; Wollmann, Daniel (CERN)
This document summarises the injector availability during 2023 [...]
CERN-ACC-NOTE-2024-0012.
- 2024. - 35 p.
Full text

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2024-05-30
14:23
Loss of Landau damping in double harmonic RF systems / Intelisano, Leandro
Landau damping is a natural stabilization mechanism to mitigate coherent beam instabilities [...]
CERN-THESIS-2023-396 - 132 p.


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