Presentations, Talks and Posters

The table below summarizes BGV-related contributions at Workshops, Conferences or similar events. Links to the event web page and the BGV contribution can be given in columns "Event" and "Title".

If you prepare a publication or a conference contribution, please consult the BGV Authors page.

2017 conferences:

  • IPAC, Copenhagen, Denmark, 14-19 May
  • IBIC, Grand Rapids, Michigan, USA, 20-24 August
2016 conferences:
2015 conferences:

Given talks on BGV topic:

DateSorted descending Type Event Title, Author & Links Abstract
2019-05-22 Poster IPAC'19 Measuring beam size with the LHC Beam Gas Vertex detector
Primary author: B. Würkner
Read more Paper Poster
The Beam Gas Vertex detector (BGV) is an innovative beam profile monitor being developed as part of the High Luminosity LHC (HL-LHC) project at CERN. The goal is to continually measure the transverse beam size by reconstructing tracks originating from beam-gas interactions using high precision tracking detectors. To confirm the feasibility of such a device, a demonstrator based on eight modules of scintillating fibre detectors has been constructed, installed in the LHC and operated for the past 3 years. It will be shown that using the BGV the average transverse beam size can be obtained with a statistical accuracy better than 5 μm (assuming a Gaussian beam with a sigma of ~200 μm). This precision is obtained with an integration time of less than one minute. In addition, the BGV measures the size of individual bunches with a statistical accuracy of better than 5 % within 5 minutes. Results obtained from data acquired in 2018 will be presented and compared to measurements from other beam profile monitors.
2018-10-18 Talk HL-LHC Collaboration meeting, CERN, October 2018 Measuring beam size with the BGV – results from the demonstrator in Run2
Primary author: B. Würkner
Read more Slides
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2017-11-17 Talk HL-LHC Collaboration meeting, Madrid, November 2017 Beam-gas vertex detector for status and upgrade plans
Primary author: S. Vlachos
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2017-08-23 Talk Swiss Physical Society 2017 Beam-gas vertex detector for beam profile monitoring at (HL) LHC
Primary author: P. Hopchev
Read more Slides (pdf)
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2017-08-23 Talk 2017 International Beam Instrumentation Conference (IBIC-17) The LHC Beam Gas Vertex Detector - A Non-Invasive Profile Monitor for High Energy Machines
Primary author: S. Vlachos
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Read more Slides pptx
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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 an instrument capable of non-invasive beam size measurements throughout the LHC acceleration cycle with high intensity physics beams. A prototype BGV monitor has been installed in the LHC since 2016. Particles emerging from beam-gas interactions are recorded by two tracking stations made of scintillating fibres. Based on vertex reconstruction of the detected tracks, this monitor allows for a non-invasive measurement of the beam profile with bunch-by-bunch resolution. A dedicated computer farm performs track reconstruction and event analysis online so that real-time beam profile measurements can be provided. Data taken in 2016 and 2017 will be presented that demonstrate the potential of this method.
2017-05-14 Talk 8th International Particle Accelerator Conference First Transverse Beam Size Measurements with the Beam Gas Vertex Detector
Primary author: A. Alexopoulos
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Read more Slides pptx
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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. The gas pressure in the interaction volume is adjusted such as to provide an adequate trigger rate, without disturbing the beam. A BGV demonstrator monitoring one of the two LHC beams was fully installed and commissioned in 2016. First data and beam size measurements show that the complete detector and data acquisition system is operating as expected. The BGV operating parameters are now being optimised and the reconstruction algorithms developed to produce accurate and fast reconstruction on a CPU farm in order to provide real time beam profile measurements to the LHC operators.
2016-05-08 Poster 7th International Particle Accelerator Conference Employing Beam-Gas Interaction Vertices for Transverse Profile Measurements
Primary author: M. Rihl
Read more Poster
Interactions of high-energy beam particles with residual gas offer a unique opportunity to measure the beam profile in a non-intrusive fashion. Such a method was successfully pioneered at the LHCb experiment using a silicon microstrip vertex detector. During the recent Large Hadron Collider shutdown at CERN, a demonstrator Beam-Gas Vertexing system based on eight scintillating-fibre modules was designed, constructed and installed on Ring 2 to be operated as a pure beam diagnostics device. The detector signals are read out and collected with LHCb-type front-end electronics and a DAQ system consisting of a CPU farm. Tracks and vertices will be reconstructed to obtain a beam profile in real time. Here, first commissioning results are reported. The advantages and potential for future applications of this technique are discussed.
2016-02-16 Talk 14th Vienna Conference on Instrumentation Imaging the LHC beams with silicon and scintillating fibre vertex detectors
Primary author: M. Rihl
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The LHCb Vertex Locator (VELO) is used to reconstruct beam-gas interaction vertices which allows one to obtain precise profiles of the LHC beams. In LHCb, this information is combined with the profile of the reconstructed beam-beam collisions and with the LHC beam currents to perform precise measurements of the luminosity. This beam-gas imaging (BGI) method also allows one to study the transverse beam shapes, beam positions and angles in real time. Therefore, a demonstrator beam-gas vertex detector (BGV) based on scintillating fibre modules has been built and installed in LHC Ring 2 at point 4.
2015-11-19 Talk BI Technical Board BGV status and plans
Primary author: P. Hopchev
Read more Slides
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2015-10-14 Talk Seminar on fundamental interactions Development of a Beam-Gas Vertexing demonstrator at the LHC
Primary author: M. Rihl
Read more Slides
The Beam-Gas Vertex detector is a non-destructive instrument to measure the transverse beam sizes and shapes at the Large Hadron Collider (LHC). It is based on a technique that was pioneered in the LHCb experiment, where tracks of charged particles produced in inelastic beam-gas interactions, are used to reconstruct beam-gas vertices. The spatial vertex distributions give an image of the transverse beam shapes. Scintillating fiber mats that are read out with silicon photomultipliers are used as the BGV’s tracking detectors. They were developed in cooperation with the LHCb SciFi project. The BGV demonstrator, which was installed in the LHC Ring 2 in September 2015 and is currently being commissioned, will be used to measure the transverse beam profile as well as other beam properties like position in the beam line, tilt and relative bunch populations at different beam energies and intensities. An overview and status of the project (vacuum system, detector and readout system) will be presented.
2014-10-16 Talk BI Day HL-LHC: BGV
Primary author: P. Hopchev
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2014-09-02 Talk LHCb Tuesday Meeting Beam-gas imaging method in the LHC beam pipe at P4
Primary author: M. Ferro-Luzzi
Read more Slides pdf
Read more Slides ppt
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2014-06-15 Poster IPAC'14 A Beam Gas Vertex Detector for Beam Size Measurement in the LHC
Primary author: P. Hopchev
Read more Proceedings
Read more Poster
The LaTeX source and the figures are available in the same folders in svn.
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. The design studies and expected performance of the currently developed BGV prototype will be presented with an overview given of the associated vacuum, detector, and readout systems. A brief description will be given of the BGV Monte Carlo simulation application, which is based on the LHCb computing framework (Gaudi) and allows simulation studies to be performed and online event reconstruction algorithms to be developed.
2014-06-05 Talk TIPP 2014 Third Technology and Instrumentation in Particle Physics conference Beam profile measurements based on modern vertex detectors and beam-gas interactions
Primary author: C. Barschel
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A novel, non-disruptive technique to measure transverse beam shapes was recently demonstrated by the LHCb experiment at the Large Hadron Collider (LHC). The technique is based on the detection of beam-gas interaction vertices with a tracking detector and was used in LHCb to obtain a 1.4% precision on the luminosity calibration. A new device, the Beam-Gas Vertex (BGV) system, is now under development to perform dedicated beam size measurements at the LHC at any beam energy and intensity. This technique could be applied to other particle accelerators. The BGV tracking detectors will be based on scintillating fibre modules read out by silicon photomultipliers. These modules are very similar in performance requirements and environmental constraints to the fibre tracker modules of the LHCb Upgrade and are therefore developed in close cooperation. The design studies, selected R&D results and the expected performance of the BGV demonstrator system will be presented.
2013-04-16 Talk 9th DITANET Topical Workshop on Non-Invasive Beam Size Measurement Beam imaging with vertex reconstruction of beam-gas interactions
Primary author: P. Hopchev
Read more Slides
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Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf 2013_04_16_EmittanceWorkshop_draft2.pdf r1 manage 4076.4 K 2014-02-04 - 13:33 UnknownUser  
PDFpdf 2014_10_16-BGV_BI_Day.pdf r1 manage 9109.0 K 2014-10-29 - 17:38 UnknownUser  
PDFpdf 2015_11_19--BITechBoard.pdf r1 manage 27277.8 K 2015-12-06 - 18:25 UnknownUser  
PDFpdf 2017_08_23--SPS_Geneva_v3.pdf r1 manage 18745.0 K 2017-08-28 - 09:11 UnknownUser  
PDFpdf BGV_SMI_compressed.pdf r1 manage 6367.0 K 2015-10-26 - 08:52 UnknownUser BGV presentation at Vienna SMI
PDFpdf Colin_Barschel_BGV_TIPP2014_20140604.pdf r1 manage 7358.8 K 2014-07-29 - 12:10 UnknownUser  
Unknown file formatpptx Colin_Barschel_BGV_TIPP2014_20140604.pptx r1 manage 6189.5 K 2014-07-29 - 12:10 UnknownUser  
PDFpdf IPACPoster_compressed.pdf r1 manage 2364.0 K 2016-08-17 - 18:26 UnknownUser  
PDFpdf MFL-BGV-LHCbTuesdayMtg-2sep2014.pdf r1 manage 6406.0 K 2014-09-04 - 12:11 UnknownUser Internal LHCb presentation to Collaboration (Tue meeting)
PowerPointppt MFL-BGV-LHCbTuesdayMtg-2sep2014.ppt r1 manage 19314.5 K 2014-09-04 - 12:07 UnknownUser Internal LHCb presentation to Collaboration (Tue meeting)
Unknown file formatpptx Madrid_HiLumi_templ.pptx r1 manage 11713.6 K 2017-11-29 - 09:11 UnknownUser BGV presentation @ HL-LHC collaboration meeting nov. 2017
PDFpdf TUOAB1.pdf r1 manage 405.1 K 2017-05-24 - 12:23 UnknownUser IPAC17 proceedings
PDFpdf TUOAB1_talk.pdf r1 manage 3604.6 K 2017-08-17 - 14:21 UnknownUser IPAC17 slides [pdf]
Unknown file formatpptx TUOAB1_talk.pptx r1 manage 9352.9 K 2017-08-17 - 14:15 UnknownUser IPAC17 presentation
PDFpdf VCI2016_v2.pdf r1 manage 12300.1 K 2016-08-17 - 18:13 UnknownUser  
PDFpdf WE3AB1.pdf r1 manage 1037.3 K 2017-09-19 - 16:43 UnknownUser  
PDFpdf WE3AB1_talk.pdf r1 manage 6769.7 K 2017-09-19 - 16:50 UnknownUser  
Unknown file formatpptx WE3AB1_talk.pptx r1 manage 7334.9 K 2017-09-19 - 16:43 UnknownUser  
PDFpdf WEPGW084_poster.pdf r1 manage 1491.5 K 2019-06-11 - 09:39 UnknownUser Poster for IPAC 2019
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Topic revision: r24 - 2019-06-11 - unknown
 
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