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1.
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TALOS (Total Automation of LabVIEW Operations for Science): A framework for autonomous control systems for complex experiments
/ Volponi, M. (CERN ; Trento U. ; INFN, Trento) ; Zielinski, J. (Warsaw U. of Tech.) ; Rauschendorfer, T. (CERN ; Leipzig U.) ; Huck, S. (CERN ; Hamburg U.) ; Caravita, R. (Trento U. ; INFN, Trento) ; Auzins, M. (CERN ; Latvia U.) ; Bergmann, B. (Prague, Tech. U.) ; Burian, P. (Prague, Tech. U.) ; Brusa, R.S. (Trento U. ; INFN, Trento) ; Camper, A. (Oslo U.) et al.
Modern physics experiments are frequently very complex, relying on multiple simultaneous events to happen in order to obtain the desired result. The experiment control system plays a central role in orchestrating the measurement setup: However, its development is often treated as secondary with respect to the hardware, its importance becoming evident only during the operational phase. [...]
arXiv:2409.01058.-
2024-08-01 - 22 p.
- Published in : Rev. Sci. Instrum. 95 (2024) 085116
Fulltext: 2409.01058 - PDF; Publication - PDF;
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2.
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Benchmarking power deposition from fast losses of heavy-ion beams at the onset of LHC Run 3
/ Rodin, Volodymyr (CERN) ; Lechner, Anton (CERN) ; Salvachua, Belen (CERN) ; Mirarchi, Daniele (CERN) ; Esposito, Luigi Salvatore (CERN) ; D'Andrea, Marco (CERN) ; Schoofs, Philippe (CERN) ; Bruce, Roderik (CERN) ; Cai, Rongrong (CERN) ; Morales Vigo, Sara (CERN) et al.
In 2023, the LHC started its Run 3 operation with $^{208}\text{PB}^{82+}$ beams at 6.8 ZTeV, with a substantially higher number of bunches compared to past runs. Several new hardware systems were used operationally for the first time with high-intensity beams, including bent crystal collimators in the betatron cleaning insertion. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPS39
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPS39
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3.
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Channeling performance of bent crystals developed at CERN
/ Rodin, Volodymyr (CERN) ; Esposito, Luigi Salvatore (CERN) ; Lechner, Anton (CERN) ; Demassieux, Quentin (CERN) ; Matheson, Eloise (CERN) ; Solis Paiva, Santiago (CERN) ; Seidenbinder, Regis (CERN) ; Aberle, Oliver (CERN) ; Perillo Marcone, Antonio (CERN) ; Calviani, Marco (CERN) et al.
Bent crystals are a mature technology used in several applications at CERN, such as the crystal-assisted collimation system for LHC ion operation and reduction of losses during the slow extraction from the SPS by shadowing the electrostatic septum. In the future, it is planned to measure electric and magnetic dipole moments of short-lived particles with a double-crystal experiment in the LHC. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPS39
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPS39
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4.
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Recent Developments with the New Tools for Collimation Simulations in Xsuite
/ Van der Veken, Frederik (CERN) ; Abramov, Andrey (CERN) ; Broggi, Giacomo (CERN ; Rome U., La Sapienza, Dip. di Astron.) ; Cerutti, Francesco (CERN) ; D'Andrea, Marco (CERN) ; Demetriadou, Despina (CERN) ; Esposito, Luigi Salvatore (CERN) ; Hugo, Gabrielle (CERN) ; Iadarola, Giovanni (CERN) ; Lindström, Bjorn (CERN) et al.
Simulations of single-particle tracking involving collimation systems need dedicated tools to perform the different tasks needed. These include the accurate description of particle-matter interactions when a tracked particle impacts a collimator jaw; a detailed aperture model to identify the longitudinal location of losses; and others. [...]
2024 - 5 p.
- Published in : JACoW HB 2023 (2024) 474-478
Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.474-478
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5.
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Evaluation of Power Deposition in HL-LHC with Crystal-assisted Heavy Ion Collimation
/ Rodin, Volodymyr (CERN) ; Bruce, Roderik (CERN) ; Cai, Rongrong (CERN) ; D'Andrea, Marco (CERN) ; Esposito, Luigi Salvatore (CERN) ; Lechner, Anton (CERN) ; Potoine, Jean-Baptiste (CERN) ; Redaelli, Stefano (CERN) ; Schoofs, Philippe (CERN)
The future LHC heavy-ion program, utilizing 208Pb⁸²⁺ beams at up to 7 Z TeV, is anticipated to operate with substantial intensity upgrade. During periods of short beam lifetime, a potential performance limitation may arise from secondary ions produced by electromagnetic dissociation and hadronic fragmentation in the collimators of the betatron cleaning insertion. [...]
2024 - 5 p.
- Published in : JACoW HB 2023 (2024) 236-240
Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.236-240
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6.
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CIRCUS: an autonomous control system for antimatter, atomic and quantum physics experiments
/ AEgIS Collaboration
A powerful and robust control system is a crucial, often neglected, pillar of any modern, complex physics experiment that requires the management of a multitude of different devices and their precise time synchronisation. The AEgIS collaboration presents CIRCUS, a novel, autonomous control system optimised for time-critical experiments such as those at CERN's Antiproton Decelerator and, more broadly, in atomic and quantum physics research. [...]
arXiv:2402.04637.-
2024-02-15 - 35 p.
- Published in : EPJ Quant. Technol. 11 (2024) 10
Fulltext: 2402.04637 - PDF; document - PDF;
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7.
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Driver-witness configuration in CNT array-based acceleration
/ Barbera Ramos, Moises (Valencia U.) ; Bonatto, Alexandre (Rio Grande do Sul U.) ; Bontoiu, Cristian (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Xia, Guoxing (Cockcroft Inst. Accel. Sci. Tech. ; Manchester U.) ; Resta-Lopez, Javier (Valencia U.) ; Apsimon, Oznur (Cockcroft Inst. Accel. Sci. Tech. ; Manchester U.) ; Martín-Luna, Pablo (Valencia U., IFIC) ; Rodin, Volodymyr (CERN)
Solid-state plasma wakefield acceleration might be an alternative to accelerate particles with ultra-high accelerating gradients, in the order of TV/m.In addition, due to their thermodynamic properties, 2D carbon-based materials, such as graphene layers and/or carbon nanotubes (CNT) are good candidates to be used as the media to sustain such ultra-high gradients. In particular, due to their cylindrical symmetry, multi-nm-aperture targets, made of CNT bundles or arrays may facilitate particle channelling through the crystalline structure.In this work, a two-bunch, driver-and-witness configuration is proposed to demonstrate the potential to achieve particle acceleration as the bunches propagate along a CNT-array structure.Particle-in-cell simulations have been performed using the VSIM code in a 2D Cartesian geometry to study the acceleration of the second (witness) bunch caused by the wakefield driven by the first (driver) bunch.The effective plasma-density approach was adopted to estimate the wakefield wavelength, which was used to identify the ideal separation between the two bunches, aiming to optimize the witness-bunch acceleration and focusing.Simulation results show the high acceleration gradient obtained, and the energy transfer from the driver to the witness bunch..
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA052
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA052
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8.
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Design of a compact superconducting recoil separator for HIE-ISOLDE
/ Resta-López, J (Valencia U.) ; Foussat, A (CERN) ; Kirby, G (CERN) ; Rodin, V (CERN) ; Kirby, O (PSI, Villigen) ; Martel, I (Huelva U.) ; Welsch, C P (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.)
The High Intensity and Energy ISOLDE facility (HIE-ISOLDE) at CERN has unprecedentedly expanded the research capabilities to investigate the structure of the atomic nucleus and the nuclear interaction. In this context, to meet the high-resolution mass spectroscopy required by the HIE-ISOLDE physics program, an innovative spectrometer is currently being designed, the ISOLDE Superconducting Recoil Separator (ISRS). [...]
2023
- Published in : JACoW IPAC 2023 (2023) TUPA050
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA050
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9.
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Collimation quench test at the LHC with a 6.8 TeV proton beam
/ Hermes, P (CERN) ; Abramov, A (CERN) ; Bruce, R (CERN) ; Calzolari, D (CERN) ; D'Andrea, M (CERN) ; Esposito, L (CERN) ; Giovannozzi, M (CERN) ; Hernalsteens, C (CERN) ; Humann, B (CERN) ; Lechner, A (CERN) et al.
The High Luminosity upgrade of the CERN Large Hadron Collider (HL-LHC) aims to achieve stored beam energies of 680 MJ. One possible limit to the achievable intensity is the quench limit of the superconducting magnets downstream of the betatron collimation insertion. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPA123
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA123
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10.
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Power deposition studies for betatron halo losses in HL-LHC
/ Rodin, V (CERN) ; Ciccotelli, A (CERN) ; Esposito, L (CERN) ; Farina, E (CERN) ; Lechner, A (CERN) ; Hermes, P (CERN) ; Lindstrom, B (CERN) ; D'Andrea, M (CERN) ; Bruce, R (CERN) ; Redaelli, S (CERN)
The Large Hadron Collider (LHC) is equipped with a betatron halo collimation system designed to prevent magnet quenches during periods of reduced beam lifetime. Protons subject to single diffractive scattering in collimators can nevertheless leak into the adjacent dispersion suppressors (DS). [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPL036
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL036
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