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1.
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The HL-LHC Beam Gas Vertex Monitor - Performance and Design Optimisation Using Simulations
/ Kolbinger, Bernadette (CERN) ; Gibson, Stephen M (Royal Holloway, U. of London) ; Guerin, Helene (CERN ; Royal Holloway, U. of London) ; Jones, Owain Rhodri (CERN) ; Kieffer, Robert (Royal Holloway, U. of London) ; Lefèvre, Thibaut (CERN) ; Salzburger, Andreas (CERN) ; Storey, James W (CERN) ; Veness, Raymond (CERN) ; Zamantzas, Christos (CERN)
The Beam Gas Vertex (BGV) instrument is a novel non-invasive beam profile monitor and part of the High Luminosity Upgrade of the Large Hadron Collider (LHC) at CERN. Its aim is to continuously measure emittance and transverse beam profile throughout the whole LHC cycle, which has not yet been achieved by any other single device in the machine. [...]
JACoW, 2021 - 5 p.
- Published in : JACoW IBIC 2021 (2021) 249-253
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.249-253
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2.
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The HL-LHC Beam Gas Vertex Monitor - Simulations for Design Optimisation and Performance Study
/ Guerin, Helene (CERN ; Royal Holloway, U. of London) ; Gibson, Stephen M (Royal Holloway, U. of London) ; Jones, Owain Rhodri (CERN) ; Kieffer, Robert (Royal Holloway, U. of London) ; Kolbinger, Bernadette (CERN) ; Lefèvre, Thibaut (CERN) ; Salvant, Benoit (CERN) ; Storey, James W (CERN) ; Veness, Raymond (CERN) ; Zamantzas, Christos (CERN)
The Beam Gas Vertex (BGV) instrument is a non-invasive transverse beam profile monitor being designed as part of the High Luminosity Upgrade of the LHC (HL-LHC) at CERN. Its aim is to continuously measure bunch-by-bunch beam profiles, independent of beam intensity, throughout the LHC cycle. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 2120-2123
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2120-2123
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3.
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First use of Timepix3 hybrid pixel detectors in ultra-high vacuum for beam profile measurements
/ Sandberg, H (CERN ; U. Manchester (main)) ; Bertsche, W (U. Manchester (main)) ; Bodart, D (CERN) ; Dehning, B (CERN) ; Gibson, S (Royal Holloway, U. of London) ; Levasseur, S (CERN ; Royal Holloway, U. of London) ; Satou, K (KEK, Tsukuba) ; Schneider, G (CERN) ; Storey, J W (CERN) ; Veness, R (CERN)
A transverse beam gas ionization profile monitor is currently under development for the CERN Proton Synchrotron (PS) to provide non-destructive continuous measurements during a beam cycle. The implementation is exploring a novel use of the Timepix3 hybrid pixel detector mounted inside the ultra-high vacuum of the accelerator beam pipe to provide direct detection of ionization electrons. [...]
2019 - 10 p.
- Published in : JINST 14 (2019) C01013
In : 20th International Workshop On Radiation Imaging Detectors, Sundsvall, Sweden, 24 - 28 Jun 2018, pp.C01013
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4.
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5.
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Antihydrogen annihilation reconstruction with the ALPHA silicon detector
/ Andresen, G B (Aarhus U.) ; Ashkezari, M D (Simon Fraser U.) ; Bertsche, W (Swansea U.) ; Bowe, P D (Aarhus U.) ; Butler, E (CERN) ; Cesar, C L (Rio de Janeiro Federal U.) ; Chapman, S (UC, Berkeley) ; Charlton, M (Swansea U.) ; Deller, A (Swansea U.) ; Eriksson, S (Swansea U.) et al.
The ALPHA experiment has succeeded in trapping antihydrogen, a major milestone on the road to spectroscopic comparisons of antihydrogen with hydrogen. An annihilation vertex detector, which determines the time and position of antiproton annihilations, has been central to this achievement. [...]
2012
- Published in : Nucl. Instrum. Methods Phys. Res., A 684 (2012) 73-81
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6.
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7.
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First Attempts at Antihydrogen Trapping in ALPHA
/ Andresen, G B (Aarhus U.) ; Bertsche, W (Swansea U.) ; Bowe, P D (Aarhus U.) ; Bray, C C (UC, Berkeley) ; Butler, E (Swansea U.) ; Cesar, C L (Rio de Janeiro Federal U.) ; Chapman, S (UC, Berkeley) ; Charlton, M (Swansea U.) ; Fajans, J (UC, Berkeley) ; Funakoshi, R (Tokyo U.) et al.
We discuss aspects of antihydrogen studies, that relate to particle physics ideas and techniques, within the context of the ALPHA experiment at CERN's Antiproton Decelerator facility. We review the fundamental physics motivations for antihydrogen studies, and their potential physics reach. [...]
2008 - 8 p.
- Published in : AIP Conf. Proc. 1037 (2008) 241-248
In : Workshop on Cold Antimatter Plasmas and Application to Fundamental Physics, Okinawa, Japan, 20 - 22 Feb 2008, pp.241-248
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8.
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The ALPHA detector : Module Production and Assembly
/ Andresen, G (Aarhus U.) ; Bertsche, W (Swansea U.) ; Bowe, P D (Aarhus U.) ; Cesar, C L (Rio de Janeiro Federal U.) ; Chapman, S (UC, Berkeley) ; Charlton, M (Swansea U.) ; Fajans, J (UC, Berkeley ; LBL, Berkeley) ; Fujiwara, M C (TRIUMF ; Calgary U.) ; Gill, D R (TRIUMF) ; Hangst, J S (Aarhus U.) et al.
ALPHA is one of the experiments situated at CERN's Antiproton Decelerator (AD). A Silicon Vertex Detector (SVD) is placed to surround the ALPHA atom trap. [...]
2012
- Published in : JINST 7 (2012) C01051
IOP Open Access article: PDF;
In : PSD9: The 9th International Conference on Position Sensitive Detectors, Aberystwyth, United Kingdom, 12 - 16 Sep 2011, pp.C01051
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10.
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