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Beam diagnostics for low energy antiprotons
/ Welsch, Carsten P (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Alexandrova, Alexandra (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Fernandes, Miguel (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Harasimowicz, Janusz (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Hunt, James (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Jeff, Adam (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Putignano, Massimiliano (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Resta-Lopez, Javier (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Sosa, Alejandro (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Tzoganis, Vasilis (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) et al.
Advanced beam diagnostics for antiproton beams at keV beam energies are very important for the successful operation and continuous optimization of low energy storage rings and associated beam lines to the experiments. Manifold challenges arise from the low energy and intensity of the beam, its pulse structure and low repetition rate. [...]
2017 - 6 p.
- Published in : JPS Conf. Proc. 18 (2017) 011041
Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011041
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A gas curtain beam profile monitor using beam induced fluorescence for high intensity charged particle beams
/ Salehilashkajani, A (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Zhang, H D (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Ady, M (CERN) ; Chritin, N (CERN) ; Forck, P (Darmstadt, GSI) ; Glutting, J (CERN) ; Jones, O R (CERN) ; Kersevan, R (CERN) ; Kumar, N (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Lefevre, T (CERN) et al.
A minimally invasive transverse beam profile monitor based on supersonic gas curtain technology and beam-induced fluorescence has been developed and demonstrated. The concept presented can be used to measure both the profile of the proton beam in the Large Hadron Collider (LHC) and the concentricity of the electron and the proton beams in the LHC hollow electron lens. [...]
2022 - 7 p.
- Published in : Appl. Phys. Lett. 120 (2022) 174101
Fulltext: PDF;
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RF Cavity Induced Sensitivity Limitations on Beam Loss Monitors
/ Kastriotou, M (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Degiovanni, A (CERN) ; Sousa, F S Domingues (CERN) ; Effinger, E (CERN) ; Holzer, E B (CERN) ; Quirante, J L Navarro (CERN) ; del Busto, E N (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Tecker, F (CERN) ; Viganò, W (CERN) ; Welsch, C P (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) et al.
Due to the secondary showers generated when a particle hits the vacuum chamber, beam losses at an accelerator may be detected via radiation detectors located near the beam line. Several sources of background can limit the sensitivity and reduce the dynamic range of a Beam Loss Monitor (BLM). [...]
2015 - 8 p.
- Published in : Phys. Procedia 77 (2015) 21-28
Elsevier Open Access article: PDF;
In : International Conference on Laser Applications at Accelerators, Mallorca, Spain, 25 - 27 Mar 2015, pp.21-28
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EuPRAXIA Conceptual Design Report
/ Assmann, R W (DESY) ; Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, D (Frascati) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Anania, M P (Frascati) ; Andreev, N E (ITAE, Moscow ; Moscow, MIPT) ; Andriyash, I (Weizmann Inst.) ; Artioli, M (ENEA, Bologna) ; Aschikhin, A (DESY) et al.
This report presents the conceptual design of a new European research infrastructure EuPRAXIA. The concept has been established over the last four years in a unique collaboration of 41 laboratories within a Horizon 2020 design study funded by the European Union. [...]
2020 - 610 p.
- Published in : Eur. Phys. J. Spec. Top. 229 (2020) 3675-4284
- Published in : Eur. Phys. J. Spec. Top. 229 (2020) 11-31
Fulltext from Publisher: PDF;
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Mean transverse energy, surface chemical and physical characterization of CERN-made Cs-Te photocathodes
/ Jones, L B (Daresbury ; Cockcroft Inst. Accel. Sci. Tech.) ; Panuganti, H (CERN) ; Benjamin, C (Daresbury ; Warwick U.) ; Chevallay, E (CERN) ; Churn, H M (Daresbury ; Cockcroft Inst. Accel. Sci. Tech.) ; Fedosseev, V (CERN) ; Noakes, T C Q (Daresbury ; Cockcroft Inst. Accel. Sci. Tech.) ; Soomary, L A J (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Welsch, C P (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.)
Cesium telluride photocathodes are known to offer high quantum efficiencies under UV illumination combined with good lifetimes compared to other semiconductor photocathodes, making them very popular electron sources for particle accelerator applications. The development of photocathode preparation, characterization, and related expertise at a single accelerator laboratory can be challenging, expensive, and time consuming. [...]
2024 - 18 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 023402
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Development of the LHCb VELO Detector Modules into a Standalone, Non-Invasive Online Beam Monitor for Medical Accelerators
/ Schnuerer, Roland (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Yap, Jacinta (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Zhang, Hao (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Cybulski, Tomasz (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Smith, Tony (Liverpool U.) ; Haefeli, Guido (EPFL, Lausanne, LPPC) ; Girard, Olivier (EPFL, Lausanne, LPPC) ; Szumlak, Tomasz (AGH-UST, Cracow) ; Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.)
Knowledge of the beam properties in proton therapy through beam monitoring is essential, ensuring an effective dose delivery to the patient. In clinical practice, currently used interceptive ionisation chambers require daily calibration and suffer from a slow response time. [...]
2018 - 12 p.
- Published in : Instruments 3 (2018) 1
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Silicon vertex detector upgrade in the ALPHA experiment
/ Amole, C (York U., Canada) ; Andresen, G.B (Aarhus U.) ; Ashkezari, M.D (Simon Fraser U.) ; Baquero-Ruiz, M (UC, Berkeley) ; Bertsche, W (Manchester U ; Cockcroft Inst. Accel. Sci. Tech.) ; Burrows, C (Swansea U.) ; Butler, E (CERN) ; Capra, A (York U., Canada) ; Cesar, C.L (Rio de Janeiro Federal U.) ; Chapman, S (UC, Berkeley) et al.
The Silicon Vertex Detector (SVD) is the main diagnostic tool in the ALPHA-experiment. It provides precise spatial and timing information of antiproton (antihydrogen) annihilation events (vertices), and most importantly, the SVD is capable of directly identifying and analysing single annihilation events, thereby forming the basis of ALPHA ' s analysis. [...]
2013 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 732 (2013) 134-136
Elsevier Open Access article: PDF;
In : 13th Vienna Conference on Instrumentation, Vienna, Austria, 11 - 15 Feb 2013, pp.134-136
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