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Showing papers by "Raymond Veness published in 2016"

DOI•
Experience From the Construction of a New Fast Wire Scanner Prototype for the CERN-SPS and its Optimisation for Installation in the CERN-PS Booster

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Raymond Veness, William Andreazza, Nicolas Chritin, Bernd Dehning, Jonathan Emery, Dmitri Gudkov, Juan Herranz Alvarez, Paolo Magagnin, Emiliano Piselli, Sebastian Samuelsson 
01 Jan 2016
TL;DR: A wire scanner for the LHC Injector Upgrade project at CERN is described in this paper, and a prototype has been designed, built and installed in the SPS accelerator to test the concept in an operational accelerator environment.
Abstract: A new design of wire scanner is under development for the LHC Injector Upgrade project at CERN. A prototype has been designed, built and installed in the SPS accelerator to test the concept in an operational accelerator environment. New technology has been developed and qualified for in-vacuum motor and structural components using 3D metal additive machining. This paper will describe the technology developed for this scanner and the test results to date. This prototype has recently been re-optimised to fit in the limited space available in the PS Booster rings. This design will also be presented.

7 citations

DOI•
Employing Beam-Gas Interaction Vertices for Transverse Profile Measurements

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Mariana Rihl, Andreas Alexopoulos, V. Baglin, Colin Barschel, A. Bay, Frederic Blanc, Enrico Bravin, Giuseppe Bregliozzi, Nicolas Chritin, Bernd Dehning, Massimiliano Ferro-Luzzi, C. Gaspar, S. Gianì, Massimo Giovannozzi, Roman Greim, Guido Haefeli, Plamen Hopchev, Richard Jacobsson, L. Jensen, Owain Rhodri Jones, Nicolas Jurado, Verena Kain, Waclaw Karpinski, Thomas Kirn, Maria Kuhn, Berengere Luthi, Paolo Magagnin, Rosen Matev, Tatsuya Nakada, Niko Neufeld, J. Panman, B. Rakotomiaramanana, Valdir Salustino Guimaraes, Benoit Salvant, Stefan Schael, O. Schneider, G. Schwering, Mark Tobin, Raymond Veness, Quentin Veyrat, Sotiris Vlachos, Michael Wlochal, Zhirui Xu, Arndt von Dratzig 
01 Jun 2016
TL;DR: In this paper, a beam-gas vertex detector was used at the LHCb experiment at CERN to measure the beam profile in a non-intrusive fashion, using a silicon microstrip vertex detector.
Abstract: 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.

2 citations