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The status of the FCC-ee optics tuning
/ van Riesen-Haupt, Léon (Ecole Polytechnique, Lausanne) ; Franchi, Andrea (ESRF, Grenoble) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Chance, Antoine (Paris, CEA) ; Dalena, Barbara (Paris, CEA) ; Järmyr Eriksson, Carl (CERN) ; Carli, Christian (CERN) ; Garcia Jaimes, Cristobal Miguel (Ecole Polytechnique, Lausanne) ; Shatilov, Dmitry (CERN) ; Musa, Elaf (DESY) et al.
With a circumference of approximately 91 km, the Future Circular electron-positron Collider, FCC-ee, aims for unprecedented luminosities at beam energies from 45.6 to 182.5 GeV. A major challenge is reaching its design performance in the presence of magnet misalignments and field errors. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR02
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR02
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3.
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Selected advances in the accelerator design of the Future Circular Electron-Positron Collider (FCC-ee)
/ FCC Collaboration
In autumn 2023, the FCC Feasibility Study underwent a crucial “mid-term review”. We describe some accelerator performance risks for the proposed future circular electron-positron collider, FCC-ee, identified for, and during, the mid-term review. [...]
FERMILAB-CONF-24-0659-AD-PIP2.-
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR14
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR14
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4.
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An LWFA injector for AWAKE Run 2 experiment
/ Marini, Samuel (IRFU, Saclay, DACM) ; Minenna, Damien F G (IRFU, Saclay, DACM) ; Massimo, Francesco (LPGP, Orsay) ; Batista, Laury (IRFU, Saclay, DACM) ; Bencini, Vittorio (CERN) ; Chancé, Antoine (IRFU, Saclay, DACM) ; Chauvin, Nicolas (IRFU, Saclay, DACM) ; Doebert, Steffen (CERN) ; Farmer, John (Munich, Max Planck Inst.) ; Gschwendtner, Edda (CERN) et al.
A beam physics design has been carried out for a 200 MeV-LWFA injector to the AWAKE Run 2 experiment as an alternative to the reference RF injector. It is composed of a laser-plasma acceleration stage and a transport line. [...]
2024 - 3 p.
- Published in : JACoW IPAC 2024 (2024) MOPR38
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPR38
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5.
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Beam physics studies for a high charge and high beam quality laser-plasma accelerator
/ Marini, Samuel (IRFU, Saclay, DACM) ; Minenna, Damien F G (IRFU, Saclay, DACM) ; Massimo, Francesco (LPGP, Orsay) ; Batista, Laury (IRFU, Saclay, DACM) ; Bencini, Vittorio (CERN) ; Chancé, Antoine (IRFU, Saclay, DACM) ; Chauvin, Nicolas (IRFU, Saclay, DACM) ; Doebert, Steffen (CERN) ; Farmer, John (Munich, Max Planck Inst.) ; Gschwendtner, Edda (CERN) et al.
Electron acceleration by laser-plasma techniques is approaching maturity and is getting ready for the construction of particle accelerators with dedicated applications. We present a general methodology showing how beam physics studies can be used to achieve a specific parameter set in a laser-plasma accelerator. [...]
2024 - 15 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 063401
Fulltext: PDF;
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Intensity Effects in a Chain of Muon RCSs
/ Métral, E (CERN) ; Chancé, A (U. Paris-Saclay) ; Batsch, Fabian (CERN) ; Amorim, David (CERN) ; Chancé, Antoine (Saclay) ; Damerau, Heiko (CERN) ; Grudiev, Alexej (CERN) ; Karpov, Ivan (CERN) ; Métral, Elias (CERN) ; Schulte, Daniel (CERN) et al.
The muon collider offers an attractive path to a compact, multi-TeV lepton collider. However, the short muon lifetime leads to stringent requirements on the fast energy increase. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) THBP43
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.THBP43
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Transverse Coherent Instability Studies for the High-Energy Part of the Muon Collider Complex
/ Amorim, David (CERN) ; Batsch, Fabian (CERN) ; Bottura, Luca (CERN) ; Calzolari, Daniele (CERN) ; Carli, Christian (CERN) ; Chancé, Antoine (IRFU, Saclay) ; Damerau, Heiko (CERN) ; Grudiev, Alexej (CERN) ; Lechner, Anton (CERN) ; Métral, Elias (CERN) et al.
The International Muon Collider Collaboration (IMCC) is studying a 3 TeV center-of-mass muon collider ring, as well as a possible next stage at 10 TeV. Muons being 200 times heavier than electrons, limitations from synchrotron radiation are mostly suppressed, but the muon decay drives the accelerator chain design. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) THBP17
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.THBP17
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Parameter ranges for a chain of rapid cycling synchrotrons for a muon collider complex
/ Chance, Antoine (IRFU, Saclay) ; Amorim, David (CERN) ; Batsch, Fabian (CERN) ; Boattini, Fulvio (CERN) ; Bottura, Luca (CERN) ; Carli, Christian (CERN) ; Damerau, Heiko (CERN) ; Grudiev, Alexej (CERN) ; Karpov, Ivan (CERN) ; Métral, Elias (CERN) et al.
A facility for a muon collider brings the big advantages of a compact lepton collider and a collision energy up to several TeV, well above the energy reach of conventional electron circular accelerators.However, the short lifetime of muons drives the design of the accelerator complex and collider, which makes this complex unique. A high muon survival rate and luminosity requires an extremely fast energy increase in combination with intense and ultra-short bunches. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPL162
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL162
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FCC-ee $e^+e^-$ Injection and Booster rRng
/ Ramjiawan, Rebecca (CERN) ; Barnes, Michael (CERN) ; Bartmann, Wolfgang (CERN) ; Borburgh, Jan (CERN) ; Chancé, Antoine (Saclay) ; Dalena, Barbara (IRFU, Saclay) ; Dutheil, Yann (CERN) ; Hofer, Michael (CERN) ; Howling, Emily (Royal Holloway, U. of London) ; Hunchak, Patrick (Saskatchewan U.)
The Future Circular electron-positron Collider (FCC-ee) is a proposal for a 91.17 km collider, which would operate in four modes with energies ranging from 45.6 GeV (Z-pole) to 182.5 GeV (ttbar-production). At high energies the beam lifetime could be as low as 6 minutes, requiring the beam to be continuously topped up to reach a high integrated luminosity. [...]
2023 - 9 p.
- Published in : JACoW eeFACT 2022 (2023) 227-235
Fulltext: PDF;
In : 65th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2022), INFN, Frascati, Italy, 12 - 16 Sep 2022, pp.227-235
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Longitudinal beam dynamics and RF requirements for a chain of muon RCSs
/ Batsch, Fabian (CERN) ; Amorim, David (CERN) ; Carli, Christian (CERN) ; Damerau, Heiko (CERN) ; Grudiev, Alexej (CERN) ; Karpov, Ivan (CERN) ; Métral, Elias (CERN) ; Schulte, Daniel (CERN) ; Chance, Antoine (IRFU, Saclay)
A facility for the collision of muons offers a unique path to a compact lepton collider with an energy reach in the multi-TeV regime, well beyond the possibilities of conventional electron accelerators. However, due to the short lifetime of muons, the constraints for acceleration and collisions are very different. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA040
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA040
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