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Crystal collimation of heavy-ion beams at the Large Hadron Collider
/ Redaelli, S (CERN) ; Aberle, O (CERN) ; Abramov, A (CERN) ; Bruce, R (CERN) ; Cai, R (CERN ; LPHE, Lausanne) ; Calviani, M (CERN) ; D'Andrea, M (CERN) ; Demassieux, Q (CERN) ; Dewhurst, K (CERN) ; Di Castro, M (CERN) et al.
An important upgrade has been deployed for the collimation system of the Large Hadron Collider (LHC) for lead-ion beams that are already planned to reach their high-luminosity target intensity upgrade in the ongoing LHC Run 3 (2022–2026). While certain effects like e-cloud, beam-beam, impedance, injection, and dump protection are relaxed with ion beams, halo collimation becomes an increasing challenge, as the conventional multistage collimation system is about two orders of magnitude less efficient than that for proton beams. [...]
2025 - 12 p.
- Published in : Phys. Rev. Accel. Beams 28 (2025) 051001
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CFD Investigations on Heavy Liquid Metal Alternative Target Design for the SPS Beam Dump Facility
/ Calviani, Marco (CERN) ; Carrelli, Carlo (ENEA, Bologna) ; Cervone, Antonio (Bologna U.) ; Cioli Puviani, Pietro (Polytech. Turin) ; Di Piazza, Ivan (ENEA, Bologna) ; Esposito, Luigi Salvatore (CERN) ; Manservisi, Sandro (Bologna U.) ; Mazzola, Giuseppe (CERN) ; Tricarico, Luca (Bologna U.) ; Franqueira Ximenes, Rui (CERN)
This study introduces numerical advancements in an alternative design for the Super Proton Synchrotron (SPS) Beam Dump Facility (BDF) at the European Laboratory for Particle Physics (CERN). The design envisions a high-power operation target made of flowing liquid lead. [...]
2024 - 18 p.
- Published in : Energies 17 (2024) 2952
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Crystal collimation of heavy-ion beams
/ Redaelli, Stefano (CERN) ; Mazzolari, Andrea (INFN, Pisa) ; Abramov, Andrey (CERN) ; Lechner, Anton (CERN) ; Lindstrom, Bjorn (CERN) ; Mirarchi, Daniele (CERN) ; Matheson, Eloise (CERN) ; Potoine, Jean-Baptiste (IES, Montpellier) ; Dewhurst, Kay (CERN) ; Bandiera, Laura (INFN, Pisa) et al.
An important upgrade programme is planned for the collimation system of Large Hadron Collider (LHC) for lead–ion beams that will already reach their high-luminosity target intensity upgrade in the LHC Run 3 (2022-2025). While certain effects like e-cloud, beam-beam, impedance, inject and dump protection are relaxed with ion beams, halo collimation becomes a challenge, as the conventional multi-stage collimation system is about two orders of magnitude less efficient than for proton beams. [...]
2024 - 6 p.
- Published in : JACoW IPAC 2024 (2024) FRXN3
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.FRXN3
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5.
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SHiP experiment at the SPS Beam Dump Facility
/ SHiP Collaboration
In 2024, the SHiP experiment, together with the associated Beam Dump Facility (BDF) under the auspices of the High Intensity ECN3 (HI-ECN3) project, was selected for the future physics exploitation of the ECN3 experimental facility at the SPS. [...]
arXiv:2504.06692.
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15.
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Latest FLUKA developments
/ Hugo, Gabrielle (CERN) ; Ahdida, Claudia (CERN) ; Bozzato, Davide (CERN) ; Calzolari, Daniele (CERN ; U. Padua (main)) ; Cerutti, Francesco (CERN) ; Ciccotelli, Alessia (CERN ; U. Manchester (main)) ; Cimmino, Anna (ELI-Beamlines, Dolni Brezany) ; Devienne, Arnaud (CERN) ; Servelle, Andre Donadon (CERN ; Ecole Polytechnique, Lausanne) ; Dyrcz, Patrycja K (CERN) et al.
The FLUKA Monte Carlo code has recently undergone significant enhancements, driven by needs from its user community. Key improvements are discussed, such as a new point-wise treatment for the interactions of low-energy neutrons, the incorporation of a new model for nuclear elastic scattering of protons below 250 MeV, explicit generation of synchrotron radiation photons during charged particle tracking, a revised modeling approach for coherent effects in bent crystals, and the addition of arc-DPA scoring. [...]
2024 - 9 p.
- Published in : EPJ Nuclear Sci. Technol. 10 (2024) 20
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Multiple scattering of positively charged particles moving near the (111) plane in a silicon single crystal
/ Scandale, W (Imperial Coll., London) ; Cerutti, F (CERN) ; Esposito, L S (CERN) ; Garattini, M (CERN) ; Gilardoni, S (CERN) ; Losito, R (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Redaelli, S (CERN) ; Smirnov, G (CERN) et al.
The article is devoted to the study of the suppression of multiple scattering of positively charged particles with momenta of 180 GeV/c and 400 GeV/c passing through bent single crystals of silicon at small angles to the plane (111) both in channeling mode and in the above-barrier state. For the first time, the suppression of the effect of multiple scattering of non-channeling particles passing at a small angle to one of the planes of a silicon single crystal was observed. [...]
Germany : Springer Nature, 2024 - 6 p.
- Published in : Eur. Phys. J. Plus 139 (2024) 1041
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9.
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Very-High-Energy Heavy Ion Beam Dosimetry Using Solid State Detectors for Electronics Testing
/ Waets, Andreas (CERN ; Zurich U.) ; Bilko, Kacper (CERN) ; Coronetti, Andrea (CERN) ; Emriskova, Natalia (CERN) ; Sacristan Barbero, Mario (CERN) ; García Alía, Rubén (CERN) ; Durante, Marco (Darmstadt, GSI) ; Schuy, Christoph (Darmstadt, GSI) ; Wagner, Tim (Darmstadt, GSI) ; Esposito, Luigi Salvatore (CERN) et al.
Very-high-energy (VHE), heavy ions are of particular interest for single event effects (SEEs) testing due to their combination of high linear energy transfer (LET) and high penetration within electronics components. The dosimetry of such beams poses an important challenge for facilities aiming to provide VHE ions for radiation effects testing. [...]
2024 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 71 (2024) 1837-1845
In : Conference on Radiation and its Effects on Components and Systems (RADECS 2023), Toulouse, France, 25 - 29 Sep 2023, pp.1837-1845
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10.
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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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