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2021-06-12
06:33

Direct Digitization and ADC Parameter Trade-off for Bunch-by-Bunch Signal Processing / Degl'Innocenti, Irene (Pisa U. ; CERN) ; Boccardi, Andrea (CERN) ; Fanucci, Luca (Pisa U.) ; Wendt, Manfred (CERN)
With the technology improvements of analog-to-digital converters in terms of sampling rate and achievable resolution, direct digitization of beam signals is of growing interest in the field of beam diagnostics. [...]
2020. - 7 p.
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2021-06-12
06:33

Recent Progress on the Commissioning of a Gas Curtain Beam Profile Monitor Using Beam Induced Fluorescence for High Luminosity LHC / Mazzoni, Stefano (CERN) ; Ady, Marton (CERN) ; Forck, Peter (Darmstadt, GSI) ; Jones, Owain Rhodri (CERN) ; Kumar, Narender (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Papazoglou, Ioannis (CERN) ; Pasquino, Chiara (CERN) ; Rossi, Adriana (CERN) ; Sadovich, Sergey (CERN) ; Salehilashkajani, Amir (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) et al.
For the high-luminosity upgrade of the Large Hadron Collider, active control of proton/ion beam halo will be essential for safe and reliable operation [...]
2020. - 5 p.
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2021-06-12
06:33

An Alternative Processing Algorithm for the Tune Measurement System in the LHC / Grech, Leander (Malta U.) ; Alves, Diogo (CERN) ; Gąsior, Marek (CERN) ; Jackson, Stephen (CERN) ; Jones, Owain Rhodri (CERN) ; Levens, Thomas (CERN) ; Valentino, Gianluca (Malta U.) ; Wenninger, Jorg (CERN)
The betatron tune in the Large Hadron Collider (LHC) is measured using a Base-Band-Tune (BBQ) system. [...]
2020. - 4 p.
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2021-06-12
06:33

Simulation of the Signal Processing for the New Interaction Region BPMs of the High Luminosity LHC / Bett, Douglas (Oxford U.) ; Boccardi, Andrea (CERN) ; Krupa, Michal (CERN) ; Wendt, Manfred (CERN)
New stripline beam position monitors (BPMs) will be installed at the Interaction Regions of the ATLAS and CMS experiments as part of the High-Luminosity upgrade to the LHC. [...]
2020. - 4 p.
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2021-06-12
06:33

A Beam Profile Monitor for High Energy Proton Beams Using Microfabrication Techniques / Mateu, Isidre (CERN) ; Bouvet, Didier (Ecole Polytechnique, Lausanne) ; Farabolini, Wilfrid (CERN) ; Gilardi, Antonio (CERN) ; Gkotse, Blerina (CERN) ; Mapelli, Alessandro (CERN) ; Meskova, Viktoria (CERN) ; Pezzullo, Giuseppe (CERN) ; Ravotti, Federico (CERN) ; Sallese, Jean-Michel (Ecole Polytechnique, Lausanne) et al.
In High Energy Physics experiments it is a common practice to expose electronic components and systems to particle beams, in order to assess their level of radiation tolerance when operating in a radiation environment. [...]
2020. - 4 p.
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2021-06-12
06:33

Beam Diagnostics in the Advanced Plasma Wakefield Experiment AWAKE / Bachmann, Anna-Maria (Munich, Max Planck Inst. ; Munich, Tech. U. ; CERN) ; Muggli, Patric (Munich, Max Planck Inst.)
In AWAKE a self-modulated proton bunch drives wakefields in a plasma. [...]
2020. - 6 p.
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2021-06-12
06:33

Simulation Methods for Transverse Beam Size Measurements Using the Heterodyne Near Field Speckles of Hard X-rays / Goetz, Alexander (CERN) ; Butti, Daniele (CERN) ; Iriso, Ubaldo (CELLS - ALBA, LLS) ; Mazzoni, Stefano (CERN) ; Nosych, Andriy (CELLS - ALBA, LLS) ; Paroli, Bruno (Milan U.) ; Potenza, Marco (INFN, Milan ; Milan U.) ; Siano, Mirko (Milan U.) ; Teruzzi, Luca (Milan U.) ; Torino, Laura (CELLS - ALBA, LLS) et al.
The Heterodyne Near Field Speckles (HNFS) is a special type of interferometry technique where radiation is scattered by nanoparticles suspended in a medium. [...]
2020. - 4 p.
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2021-06-12
06:33

Properties of Cherenkov Diffraction Radiation as Predicted by the Polarisation Currents Approach for Beam Instrumentation / Harryman, Daniel (Royal Holloway, U. of London) ; Bergamaschi, Michele (CERN) ; Bobb, Lorraine (Garsington, Oxfordshire) ; Fedorov, Kirill (Royal Holloway, U. of London) ; Karataev, Pavel (Royal Holloway, U. of London) ; Kieffer, Robert (CERN) ; Łasocha, Kacper (CERN) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Potylitsyn, Alexander (Tomsk Polytechnic U.) et al.
Cherenkov-Diffraction Radiation (ChDR) appears when a charged particle moves in the vicinity of a dielectric medium with velocity higher than the phase velocity of light inside the medium. [...]
2020. - 5 p.
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2021-06-12
06:33

Testbed Development for the Characterisation of an ASIC for Beam Loss Measurement Systems / Martina, Francesco (CERN ; Liverpool U.) ; Giangrande, Luca (CERN) ; Kaplon, J (CERN) ; Leitao, Pedro (CERN) ; Zamantzas, Christos (CERN)
A high-performance, radiation-hardened, application-specific integrated circuit (ASIC) is under development at CERN for digitising signals from beam losses monitoring systems in harsh radiation environments. [...]
2020. - 3 p.
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2021-06-12
06:33

Development of a Thermal Response Model for Wire Grid Profile Monitors and Benchmarking to CERN LINAC4 Experiments / Navarro Fernandez, Araceli (CERN) ; Roncarolo, Federico (CERN) ; Sapinski, Mariusz (TERA, Novara)
The operation of wire grids as beam profile monitors, both in terms of measurement accuracy and wire integrity, can be heavily affected by the thermal response of the wires to the energy deposited by the charged particles. [...]
2020. - 4 p.
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