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1.
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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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2.
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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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3.
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Progress of the FCC-ee optics tuning working group
/ Bauche, J (CERN) ; da Silva, T (IRFU, Saclay) ; Shatilov, D (CERN) ; Chance, A (IRFU, Saclay) ; Wu, Y (Ecole Polytechnique, Lausanne) ; Wang, Y (Beijing, Inst. High Energy Phys.) ; Tomas, Rogelio (CERN) ; Franchi, Andrea (ESRF, Grenoble) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Dalena, Barbara (IRFU, Saclay) et al.
FCC-ee is a proposed lepton collider with a circumference close to 100 km to produce an unprecedented amount of luminosity. The FCC-ee optics tuning working group is addressing one of the most critical aspects of the FCC-ee, that is the recovery of the optics design performance in presence of realistic imperfections. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPL023
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPL023
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4.
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Bayesian Optimization Algorithms for Accelerator Physics
/ Roussel, Ryan (SLAC) ; Edelen, Auralee L. (SLAC) ; Boltz, Tobias (SLAC) ; Kennedy, Dylan (SLAC) ; Zhang, Zhe (SLAC) ; Ji, Fuhao (SLAC) ; Huang, Xiaobiao (SLAC) ; Ratner, Daniel (SLAC) ; Garcia, Andrea Santamaria (KIT, Karlsruhe) ; Xu, Chenran (KIT, Karlsruhe) et al.
Accelerator physics relies on numerical algorithms to solve optimization problems in online accelerator control and tasks such as experimental design and model calibration in simulations. The effectiveness of optimization algorithms in discovering ideal solutions for complex challenges with limited resources often determines the problem complexity these methods can address. [...]
arXiv:2312.05667; FERMILAB-PUB-23-0846-AD.-
2024-08-01 - 42 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 084801
Fulltext: 2312.05667 - PDF; FERMILAB-PUB-23-0846-AD - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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5.
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6.
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Low Alpha Mode for SPEAR3
/ Huang, Xiaobiao ; Safranek, James ; Corbett, Jeff ; Nosochkov, Yuri ; Sebek, Jim ; Terebilo, Andrei
PAC07-TUPMS051; SLAC-PUB-12601.-
Stanford, CA : SLAC, 2007 - 3 p.
External link: Fulltext from SLAC
In : 22nd Particle Accelerator Conference, Albuquerque, NM, USA, 25 - 29 Jun 2007, pp.1308-1310
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7.
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8.
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Implementation of the Double-waist Chicane Optics in SPEAR 3
/ Corbett, Jeff (SLAC) ; Cornacchia, Max (SLAC) ; Dao, Tom (SLAC) ; Dell'Orco, Domenico (SLAC) ; Harrington, Dan (SLAC) ; Hettel, Robert (SLAC) ; Huang, Xiaobiao (SLAC) ; Nosochkov, Yuri (SLAC) ; Rabedeau, Thomas (SLAC) ; Rafael, Fernando Silva (SLAC) et al.
2006 - 3 p.
External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.3472
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9.
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Application of Independent Component Analysis for Beam Diagnosis
/ Huang, Xiaobiao ; Lee, Shyh-Yuan ; Prebys, Eric ; Tomlin, Raymond E
The independent component analysis (ICA)* is applied to analyze simultaneous multiple turn-by-turn beam position monitor (BPM) data of synchrotrons. The sampled data are decomposed to physically independent source signals, such as betatron motion, synchrotron motion and other perturbation sources. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.489
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10.
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Fitting the Fully Coupled ORM for the Fermilab Booster
/ Huang, Xiaobiao ; Ankenbrandt, Charles ; Lee, Shyh-Yuan ; Prebys, Eric
The orbit response matrix (ORM) method* is applied to model the Fermilab Booster with parameters such as the BPM gains and rolls, and parameters in the lattice model, including the gradient errors and magnets rolls. We found that the gradients and rolls of the adjacent combined-function magnets were deeply correlated, preventing full determination of the model parameters. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3322
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