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1.
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The Diamond Beam Loss Monitoring System at CERN LHC and SPS
/ Calvo Giraldo, Eva (CERN) ; Effinger, Ewald (CERN) ; Gonzalez Berges, Manuel (CERN) ; Kral, Jiri (Prague, Tech. U.) ; Martínez Samblas, Javier (CERN) ; Morales Vigo, Sara (CERN) ; Salvachúa, Belen (CERN) ; Zamantzas, Christos (CERN)
The Large Hadron Collider (LHC) and the Super Proton Synchrotron (SPS) accelerators are equipped with 17 pCVD diamond based Beam Loss detectors at strategical locations where their nanosecond resolution can provide insights into the loss mechanisms and complement the information of the standard ionization chamber type detectors. They are used at the injection and extraction lines of the LHC and SPS, to analyse the injection or extraction efficiency, and to verify the timing alignment of other elements like kicker magnets. [...]
2022 - 5 p.
- Published in : JACoW IBIC 2022 (2022) 202-206
Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.202-206
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2.
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Performance of the ALICE Electromagnetic Calorimeter
/ ALICE Collaboration
The performance of the electromagnetic calorimeter of the ALICE experiment during operation in 2010$-$2018 at the Large Hadron Collider is presented. After a short introduction into the design, readout, and trigger capabilities of the detector, the procedures for data taking, reconstruction, and validation are explained. [...]
arXiv:2209.04216; CERN-EP-2022-184.-
Geneva : CERN, 2023-08-10 - 139 p.
- Published in : JINST 18 (2023) P08007
Draft (restricted): PDF; Fulltext: document - PDF; 2209.04216 - PDF;
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3.
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Instrumentation: What to expect next year?
/ Barros, J (CERN) ; Bravin, E (CERN) ; Effinger, E (CERN) ; Gasior, M (CERN) ; Jones, R (CERN) ; Kral, J (CERN) ; Lasch, M (CERN) ; Lefevre, T (CERN) ; Levens, T (CERN) ; Alves, D M Louro (CERN) et al.
This paper presents the expectations for the LHC Beam Instrumentation systems
going into the 2018 run. Planned upgrades during the YETS will be presented and
opportunities for future development, in order to better exploit the available
instrumentation, will be discussed.
2019 - 5 p.
- Published in : (2019) , pp. 203-207
Fulltext: PDF;
In : 8th Evian Workshop on LHC beam operation, Evian Les Bains, France, 12 - 14 Dec 2017, pp.203-207
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4.
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Run 2 Overview of the LHC Beam Instrumentation
/ Krupa, M (CERN) ; Alves, D (CERN) ; Gasior, M (CERN) ; Kral, J (CERN) ; Levens, T (CERN) ; Schramm, V (CERN) ; Wendt, M (CERN) ; Zamantzas, C (CERN)
This papers reviews the implemented improvements, operational experience, and
performance reach of the major LHC Beam Instrumentation systems, excluding
transverse beam profile diagnostics, throughout the LHC Run 2. The major
hardware and software changes since the Long Shutdown 1 (LS1) are highlighted
and the main actions addressing the remaining open issues during the Long
Shutdown 2 (LS2) are listed. [...]
Geneva, Switzerland : , 2019 - 5 p.
- Published in : , pp. 111-115
Fulltext: PDF;
In : 9th LHC Operations Evian Workshop, Evian Les Bains, France, 30 Jan - 1 Feb 2019, pp.111-115
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5.
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Dynamics of the interaction of dust particles with the LHC beam
/ Lindstrom, B (CERN ; Uppsala U.) ; Bélanger, P (CERN ; TRIUMF) ; Gorzawski, A (CERN ; Malta U.) ; Kral, J (CERN ; Prague, Tech. U.) ; Lechner, A (CERN) ; Salvachua, B (CERN) ; Schmidt, R (CERN) ; Siemko, A (CERN) ; Vaananen, M (CERN) ; Valuch, D (CERN) et al.
Micrometer-sized dust particles present in the Large Hadron Collider (LHC) beam pipe are believed to have caused many thousands of sporadic beam loss events around the LHC. These so-called unidentified falling objects (UFOs) have been under continuous study since the start of high intensity beam operation in the LHC due to their impact on the LHC availability: 139 beam dumps and 12 magnet quenches during Run II (2015–2018) alone. [...]
2020 - 14 p.
- Published in : Phys. Rev. Accel. Beams 23 (2020) 124501
Fulltext from Publisher: PDF;
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6.
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A Multipurpose Scintillating Fibre Beam Monitor for the Measurement of Secondary Beams at CERN
/ Ortega Ruiz, Inaki (CERN) ; Fosse, Loic (CERN) ; Franchi, Jonathan (CERN) ; Frassier, Alexandre (CERN) ; Fullerton, John (CERN) ; Kral, Jiri (CERN) ; Lauener, Joel (CERN) ; Schneider, Thomas (CERN) ; Spanggaard, Jens (CERN) ; Tranquille, Gerard (CERN)
A scintillating fibre beam monitor has been developed at CERN for the measurement of low energy and low intensity secondary beams. This monitor can track the passage of individual particles up to intensities of 10⁷ particles per second per mm², over an active area of 20 cm x 20 cm, and with a spatial resolution of 1 mm. [...]
JACoW, 2019 - 4 p.
- Published in : 10.18429/JACoW-IBIC2018-WEPB15
Published fulltext: PDF;
In : 7th International Beam Instrumentation Conference, Shanghai, China, 9 - 13 Sep, 2018, pp.WEPB15
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7.
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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. The monitor has a simple design that stands out for its low material budget, vacuum compatibility, good performance, low cost, and ease of production. [...]
arXiv:1910.12519.-
2020-01-21 - 15 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 951 (2020) 162996
Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
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