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Radiation load studies for the proton target area of a multi-TeV muon collider
/ Manczak, Jerzy (CERN) ; Frasca, Alessandro (CERN) ; Portone, Alfredo (Fusion for Energy, Barcelona) ; Lechner, Anton (CERN) ; Rogers, Chris (Daresbury) ; Ahdida, Claudia (CERN) ; Schulte, Daniel (CERN) ; Calzolari, Daniele (CERN) ; Saura Esteban, Francisco Javier (CERN) ; Bottura, Luca (CERN) et al.
Muon production in the multi-TeV muon collider studied by the International Muon Collider Collaboration is planned to be performed with a high-power proton beam interacting with a fixed target. The design of the target area comes with a set of challenges related to the radiation load to front-end equipment. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR28
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR28
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Conceptual Design of a Target and Capture Channel for a Muon Collider
/ Accettura, C (CERN) ; Bottura, L (CERN) ; Calviani, M (CERN) ; Calzolari, D (CERN) ; Ximenes, R Franqueira (CERN) ; Kolehmainen, A (CERN) ; Lechner, A (CERN) ; Gomez, J Lorenzo (Fusion for Energy, Barcelona) ; Portone, A (Fusion for Energy, Barcelona) ; Esteban, F J Saura (CERN) et al.
The “target and capture channel” is one of the crucial systems in a Muon Collider, whose function is to create an intense muon beam from the decay of the pions generated by a multi-MW proton beam impinging on a particle-producing target. To guarantee the capture of the pions and resulting muons, the channel consists of a sequence of solenoids, providing a well-defined profile on axis, with 20 T peak at the target location and an adiabatic decrease along the channel length. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4101705
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Muon Collider Graphite Target Studies and Demonstrator Layout Possibilities at CERN
/ Saura Esteban, Francisco Javier (CERN) ; Calviani, Marco (CERN) ; Calzolari, Daniele (CERN) ; Franqueira Ximenes, Rui (CERN) ; Krainer, Alexander (CERN) ; Lechner, Anton (CERN) ; Losito, Roberto (CERN) ; Rogers, Chris (Rutherford) ; Schulte, Daniel (CERN)
Muon colliders offer enormous potential for research of the particle physics frontier. Leptons can be accelerated without suffering large synchrotron radiation losses. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2895-2898
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2895-2898
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Radiation shielding studies for superconducting magnets in multi-TeV muon colliders
/ Lechner, Anton (CERN) ; Amorim, David (CERN) ; Bottura, L (CERN) ; de Sousa, P Borges (CERN) ; Caiffi, B (INFN, Genoa) ; Calzolari, D (CERN) ; Carli, C (CERN) ; Ferreira Somoza, J (CERN) ; Frasca, A (CERN) ; Lerner, G (CERN) et al.
Circular muon colliders provide the potential to explore center-of-mass energies at the multi-TeV scale within a relatively compact footprint. Because of the short muon lifetime, only a small fraction of stored beam particles will contribute to the physics output, while most of the muons will decay in the collider ring. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR26
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR26
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Third-Generation CERN n_TOF Spallation Target: Final Design and Examinations of Irradiated Prototype
/ Esposito, Raffaele (CERN ; Ecole Polytechnique, Lausanne) ; Aberle, Oliver (CERN) ; Calviani, Marco (CERN) ; Coiffet, Thibaut (CERN) ; Crouvizier, Mickaël (CERN) ; Franqueira Ximenes, Rui (CERN) ; Maire, Vincent (CERN) ; Pérez Fontenla, Ana Teresa (CERN) ; Timmins, Marc (CERN)
The new neutron spallation target for the CERN neutron Time-Of-Flight (n_TOF) facility is based on a nitrogen-cooled Pb core impacted by short high-intensity proton beam pulses. An extensive material characterization campaign has been carried out to define the constitutive behavior of lead and assess its response under pulsed proton beam irradiation. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3555-3558
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3555-3558
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Latest Advances in Targetry Systems at CERN and Exciting Avenues for Future Endeavours
/ Franqueira Ximenes, Rui (CERN) ; Aberle, Oliver (CERN) ; Calviani, Marco (CERN) ; Esposito, Raffaele (CERN) ; Grenard, Jean-Louis (CERN) ; Griesemer, Tina (CERN) ; Romero Francia, Alvaro (CERN) ; Torregrosa, Claudio (CERN)
CERN’s accelerator complex offers diverse target systems for a range of scientific pursuits, including varying beam energies, intensities, pulse lengths, and objectives. Future high-intensity fixed target experiments aim to advance this field further. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) 599-602
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.599-602
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CERN BDF Prototype Target Operation, Removal and Autopsy Steps
/ Franqueira Ximenes, Rui (CERN) ; Aberle, Oliver (CERN) ; Ahdida, Claudia (CERN) ; Avigni, Pietro (CERN) ; Battistin, Michele (CERN) ; Bianchi, Laura (CERN) ; Buonocore, Luca Rosario (CERN) ; Burger, Stephane (CERN) ; Busom Descarrega, Josep (CERN) ; Calviani, Marco (CERN) et al.
The Beam Dump Facility (BDF), currently in the study phase, is a proposed general-purpose fixed target facility at CERN. Initially will host the Search for Hidden Particles (SHiP) experiment, intended to investigate the origin of dark matter and other weakly interacting particles. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3559-3562
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3559-3562
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Radiation Load Studies for Superconducting Dipole Magnets in a 10 TeV Muon Collider
/ Calzolari, Daniele (CERN) ; Carli, Christian (CERN) ; Humann, Barbara (CERN) ; Lechner, Anton (CERN) ; Lerner, Giuseppe (CERN) ; Salvat Pujol, Francesc (CERN) ; Schulte, Daniel (CERN) ; Skoufaris, Kyriacos (CERN)
Among the various future lepton colliders under study, muon colliders offer the prospect of reaching the highest collision energies. Despite the promising potential of a multi-TeV muon collider, the short lifetime of muons poses a severe technological challenge for the collider design. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 1671-1674
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1671-1674
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Target systems design for a high intensity facility in the CERN's ECN3 area
/ Ximenes, R F (CERN) ; Grenard, J-L (CERN) ; Ruiz, J M Martin (CERN) ; Ahdida, C (CERN) ; Bernhard, J (CERN) ; Brugger, M (CERN) ; Calviani, M (CERN) ; Esposito, L (CERN) ; Fraser, M (CERN) ; Jacobsson, R (CERN) et al.
A new high intensity fixed target facility could be accommodated at CERN by fully exploiting the Super Proton Synchrotron. Multiple physics experiment proposals such as BDF/SHiP, NA62-BD, HIKE and SHADOWS are being considered. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPM112
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM112
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