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The LHC Beam Gas Vertex Detector - a Non-Invasive Profile Monitor for High Energy Machines
/ Vlachos, Sotiris (CERN) ; Alexopoulos, Andreas (CERN) ; Barchel, Colin (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Bay, Aurelio (Ecole Polytechnique, Lausanne) ; Blanc, Frederic (Ecole Polytechnique, Lausanne) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) ; Ferro-Luzzi, Massimiliano (CERN) et al.
The Beam Gas Vertex (BGV) monitor is being developed as part of the High Luminosity LHC project with the aim of providing measurements with less than 5% error on the beam size with an integration time of 5 minutes. It will be the only instrument capable of non-invasive beam size measurement throughout the LHC acceleration cycle with high intensity physics beams. [...]
2018 - 7 p.
- Published in : 10.18429/JACoW-IBIC2017-WE3AB1
Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.WE3AB1
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First LHC transverse beam size measurements with the beam gas vertex detector
/ Alexopoulos, A (CERN) ; Barchel, C (CERN) ; Bay, A (Ecole Polytechnique, Lausanne) ; Blanc, F (Ecole Polytechnique, Lausanne) ; Bravin, E (CERN) ; Bregliozzi, G (CERN) ; Chritin, N (CERN) ; Dehning, B (CERN) ; Ferro-Luzzi, M (CERN) ; Gianì, S (Ecole Polytechnique, Lausanne) et al.
The Beam Gas Vertex detector (BGV) is an innovative beam profile monitor based on the reconstruction of beam-gas interaction vertices which is being developed as part of the High Luminosity LHC project. Tracks are identified using several planes of scintillating fibres, located outside the beam vacuum chamber and perpendicular to the beam axis. [...]
CERN-ACC-2017-315.-
2017 - 6 p.
- Published in : J. Phys.: Conf. Ser. 874 (2017) 012086 - Published in : (2017) , pp. TUOAB1
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUOAB1
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Scanners for the quality contol of scintillating plastic fibres
/ Rodigues, Ana Barbara (Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil) ; Ekelhof, Robert (Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany) ; Garnier, Francois (CERN) ; Giudici, Pierre-Ange (CERN) ; Greim, Roman (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Hebler, Philip (Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany) ; Joram, Christian (CERN) ; Kirn, Thomas (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Pierschel, Gerhard (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Schateikis, Tobias (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) et al.
The use of scintillating plastic fibres in the SciFi tracker requires rigorous quality control. The fibre diameter and in particular local variations in form of bumps and necks have an impact on the regularity of the winding pattern and hence the spatial resolution. [...]
LHCb-PUB-2015-009; CERN-LHCb-PUB-2015-009.-
Geneva : CERN, 2015 - 23.
Fulltext: PDF;
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Finite Element Analysis of the SciFi-Nomex-Sandwich Panels
/ Schultz von Dratzig, Arndt (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany)
A finite element analysis of the SciFi-Nomex-sandwich panels has been carried out in order to investigate their thermo-mechanical properties. This does not include the cooling of the silicon photomultipliers but is restricted to the panels themselves. [...]
LHCb-PUB-2015-007; CERN-LHCb-PUB-2015-007.-
Geneva : CERN, 2015
Fulltext: PDF;
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A Beam Gas Vertex detector for beam size measurement in the LHC
/ Hopchev, P (CERN) ; Baglin, V (CERN) ; Barschel, C (CERN) ; Bravin, E (CERN) ; Bregliozzi, G (CERN) ; Chritin, N (CERN) ; Dehning, B (CERN) ; Ferro-Luzzi, M (CERN) ; Gaspar, C (CERN) ; Giovannozzi, M (CERN) et al.
The Beam Gas Vertex (BGV) detector is foreseen as a possible non-invasive beam size measurement instrument for the LHC and its luminosity upgrade. This technique is based on the reconstruction of beam-gas interaction vertices, where the charged particles produced in inelastic beam-gas interactions are measured with high-precision tracking detectors. [...]
CERN-ACC-2014-0134.-
Geneva : CERN, 2014 - 5 p.
Fulltext: PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.3680
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