CERN Accelerating science

All PS Complex

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2020-05-11
13:20
Impedance Compliance Testing for the PS Internal Beam Dump / Jhugroo, Dhiren (University of Bath (GB)) ; Popovic, Branko Kosta ; Vollinger, Christine (CERN)
The performance of the accelerators at CERN critically depends on the overall beam coupling impedance of the individual elements. [...]
CERN-ACC-NOTE-2020-0028.
- 2020. - 7 p.
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2020-04-28
08:58
Development and Beam Irradiation of Ir/W/Ta/Ta-Alloys Refractory Metals and Cladding Via Hot Isostatic Pressing at CERN for Beam Intercepting Devices Applications / Busom Descarrega, Josep (CERN) ; Torregrosa, Claudio (CERN) ; Calviani, Marco (CERN)
The current contribution details the research and development activities associated to refractory metals such as iridium, tungsten, tantalum and tantalum-tungsten alloys executed at CERN in the framework of the development of beam intercepting devices, including beam irradiation tests both at the HiRadMat Facility as well as in the North Area Target Complex..
2020 - 9 p. - Published in : JPS Conf. Proc. 28 (2020) 041002 Fulltext: PDF;
In : 14th International Workshop on Spallation Materials Technology, Fukushima, Japan, 11 - 17 Nov 2018, pp.041002

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2020-04-27
10:58
Performance validation of the upgraded PSB Transfer Kicker BT2.KFA20 / Coralejo Feliciano, Luis Miguel (CERN) ; Sermeus, Luc (CERN)
In the framework of the LHC Injector Upgrade (LIU) project [1], the CERN PSB Transfer Kicker KFA20 pulse power generator has been modified, as done for the Transfer Kicker KFA10 pulse power generator, in order to be compatible with the extraction kinetic energy increase of the PSB from 1.4 to 2.0 GeV. [...]
CERN-ACC-NOTE-2020-0027.
- 2020. - 3 p.
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2020-04-26
06:50
Results from the CERN LINAC4 Longitudinal Bunch Shape Monitor / Tan, Jocelyn (CERN) ; Bellodi, Giulia (CERN) ; Feschenko, Alexander (Moscow, INR) ; Gavrilov, Sergei (Moscow, INR)
The CERN Linac4 has been successfully commissioned to its nominal energy and will provide 160 MeV H⁻ ions for charge-exchange injection into the Proton Synchrotron Booster (PSB) from 2020. A complete set of beam diagnostic devices has been installed along the accelerating structures and the transfer line for safe and efficient operation. [...]
JACoW, 2019 - 5 p. - Published in : 10.18429/JACoW-IBIC2018-WEPA19 Published fulltext: PDF;
In : 7th International Beam Instrumentation Conference, Shanghai, China, 9 - 13 Sep, 2018, pp.WEPA19

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2020-04-26
06:50
New Beam Position Monitors for the CERN LINAC3 to LEIR Ion Beam Transfer Line / Søby, Lars (CERN) ; Baud, Guillaume (CERN) ; Bozzolan, Michele (CERN) ; Scrivens, Richard (CERN)
The ion injection line into the CERN Low Energy Ion Ring (LEIR) has recently been equipped with nine, new, electrostatic Beam Position Monitors (BPMs) in order to measure and optimize the trajectory of the low intensity ion beams coming from LINAC3. In this paper, we describe the design of the BPM, the low noise charge amplifier mounted directly on the BPM, and the digital acquisition system. [...]
JACoW, 2019 - 4 p. - Published in : 10.18429/JACoW-IBIC2018-TUPB14 Published fulltext: PDF;
In : 7th International Beam Instrumentation Conference, Shanghai, China, 9 - 13 Sep, 2018, pp.TUPB14

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2020-04-16
10:39
Review of LEIR operation in 2018 / Albright, Simon (CERN) ; Alemany Fernandez, Reyes (CERN) ; Angoletta, Maria Elena (CERN) ; Bartosik, Hannes (CERN) ; Beaumont, Anthony (CERN) ; Bellodi, Giulia (CERN) ; Biancacci, Nicolo (CERN) ; Bozzolan, Michele (CERN) ; Buzio, Marco (CERN) ; Di Lorenzo, Francesco (CERN) et al.
During run 2 (2015-2018) the LEIR machine experienced several important improvements in terms of extracted intensity, driven by the LHC Injectors Upgrade (LIU) project requirements. [...]
CERN-ACC-NOTE-2020-0023.
- 2019. - 113 p.
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2020-04-16
09:49
A Thermomechanical and Electromagnetic Approach For The Design Of High-Intensity Accelerator Components / Teofili, Lorenzo
At the European Council for Nuclear Research (CERN) two projects call for an upgrade of the laboratory particle accelerators to find new physics results: the High-Luminosity Large Hadron Collider (HL-LHC) and the LHC Injection Upgrade (LIU) [...]
CERN-THESIS-2019-329 - 270 p.

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2020-03-24
17:10
Stripper foil investigations at Linac3 / Bellodi, Giulia (CERN) ; Bertolo, Sebastien (CERN) ; Kuchler, Detlef (CERN) ; Mahner, Edgar (CERN) ; Scrivens, Richard (CERN) ; Wenander, Fredrik John Carl (CERN)
This report contains a summary of the investigations performed on the carbon stripper foils at Linac3 during the period 2016 to 2018 [...]
CERN-ACC-NOTE-2020-0016.
- 2020. - 24 p.
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2020-03-12
06:25
Novel transverse emittance measurements for electron cooling characterization / Hunt, J R (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Resta-López, J (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Welsch, C P (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Carli, C (CERN) ; Dupuy, B (CERN) ; Gamba, D (CERN)
The extra low energy antiproton ring (ELENA) finished commissioning before the start of CERN’s second long shutdown in December 2018, successfully providing beams to a new experimental zone. In 2021, ELENA will begin distributing cooled 100 keV antiproton beams to all antimatter experiments. [...]
2020 - 9 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 032802 Fulltext: PDF;

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2020-03-06
09:07
Measurements with the stripping foil test stand in the Linac4 Transfer Line / Bracco, Chiara (CERN) ; Jorat, Louise (CERN) ; Noulibos, Remy (CERN) ; van Trappen, Pieter (CERN) ; Weterings, Wim (CERN)
In 2020, after the CERN accelerators complex Long Shutdown 2 (LS2), a novel Linac4 (L4)-to-PS Booster (PSB) charge-exchange injection system will allow to transform the L4 160 MeV H$^-$ beam into H$^+$, which will be injected into the four PSB superposed rings. For this, a 200 µg/cm$^2$ carbon stripping foil will convert negative hydrogen ions (H$^-$) into protons by stripping off the electrons. [...]
2020 - 6 p. - Published in : EPJ Web Conf. 229 (2020) 01003 Fulltext: PDF;
In : 29th World Conference of the International Nuclear Target Development Society, East Lansing, United States, 8 - 12 Oct 2018, pp.01003

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