CERN Accelerating science

All CERN Accelerators documents

Letzte Einträge:
2025-02-07
04:50
Resonant Photon Scattering in the Presence of External Fields / Richter, Jan (Braunschweig, Phys. Tech. Bund. ; Leibniz U., Hannover) ; Krasny, Mieczyslaw Witold (LPNHE, Paris ; CERN) ; Gilles, Jan (Braunschweig, Phys. Tech. Bund. ; Braunschweig Tech. U.) ; Surzhykov, Andrey (Braunschweig, Phys. Tech. Bund. ; Braunschweig Tech. U.)
This theoretical study explores resonant elastic photon scattering in the presence of external electric and magnetic fields, motivated by potential applications in storage ring experiments, such as the Gamma Factory project at CERN. [...]
arXiv:2501.13863.
- 16.
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2025-02-07
04:39
HEP High Power Targetry Roadmap -- Workshop Report / Ammigan, K. (Fermilab) ; Barbier, C. (Oak Ridge) ; Bidhar, S. (Fermilab) ; Casella, A. (PNL, Richland) ; Calviani, M. (CERN) ; Densham, C. (Rutherford) ; Hurh, P. (Fermilab) ; Kim, D. (Brookhaven) ; Liu, D. (Bristol U.) ; Lynch, K. (Fermilab) et al.
Designing a reliable target is already a challenge for MW-class facilities today and has led several major accelerator facilities to operate at lower than design power due to target concerns. [...]
FERMILAB-CONF-25-0069-AD ; arXiv:2502.03305.
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2025-02-07
04:33
BPM Systems: A brief Introduction to Beam Position Monitoring / Wendt, M. (CERN)
This introduction on beam position monitors (BPM) summarizes the fundamental parts of the tutorial presented at the CAS 2018 on beam instrumentation. [...]
arXiv:2005.14081.
- 40.
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2025-02-07
04:32
Numerical analysis techniques for non-linear dynamics / Papaphilippou, Yannis (CERN)
The content of this contribution is based on the course on numerical analysis techniques for non-linear dynamics. [...]
arXiv:2012.10552.
- 27.
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2025-02-07
04:26
Measuring the Field Quality in Accelerator Magnets with the Oscillating-Wire Method -- a Case Study for Solving Partial Differential Equations / Russenschuck, Stephan (CERN)
The single stretched-wire method is commonly used to measure the magnetic field strength and magnetic axis in an accelerator magnet. [...]
arXiv:2006.09828.
- 21.
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2025-02-07
04:25
Imperfections and corrections / Tomás, R. (CERN) ; Buffat, X. (CERN) ; Coello, J. (CERN) ; Fol, E. (CERN) ; Malina, L. (CERN)
The measurement and correction of optics parameters has been a major concern since the advent of strong focusing synchrotron accelerators. [...]
arXiv:2006.10661.
- 31.
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2025-02-06
08:13
X-LAB: A very high-capacity X-band RF test stand facility at the University of Melbourne / Volpi, Matteo (Melbourne U.) ; Giansiracusa, Paul J (Melbourne U.) ; Sheehy, Suzanne L (Melbourne U. ; ANSTO, Menai) ; Rassoll, Roger P (Melbourne U.) ; Taylor, Geoffrey N (Melbourne U.) ; Pushkarna, Paarangat (Melbourne U.) ; Dowd, Rohan (ANSTO, Menai) ; Valerian, Joel (Melbourne U.) ; Catalan-Lasheras, Nuria (CERN) ; Cherrill, Mark (South Australia U.)
The X-band Laboratory for Accelerators and Beams (X-LAB) has been commissioned at the University of Melbourne. One of the key projects within this laboratory involves re-homing half of the CERN high gradient X-band test stand, XBOX3, now known as Mel-BOX. [...]
2024 - 9 p. - Published in : EPJ Web Conf. 315 (2024) 02007 Fulltext: PDF;
In : International Workshop on Future Linear Colliders (LCWS2024), Tokyo, Jp, 8 Jul - 8 Nov 2024, pp.02007

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2025-02-06
08:13
Prototypes and R&D; for undulator-based positron sources / Moortgat-Pick, Gudrid (Hamburg U. ; DESY) ; Formela, Manuel (Hamburg U.) ; Hamann, Niclas (Hamburg U.) ; Lengler, Tim (HZDR, Dresden) ; Lott, Dieter (HZDR, Dresden) ; Loisch, Gregor (DESY) ; Riemann, Sabine (DESY, Zeuthen) ; Sievers, Peter (CERN) ; Tenholt, Carmen (DESY) ; Yakopov, Grigory (DESY)
The undulator-based positron source is baseline design for the ILC. Recent progress in particular on the undulator mask designs, optic matching devices (R&D; for prototypes for pulsed solenoid, plasma lens) and on the target design (rotating wheel, material tests) are discussed. [...]
2024 - 9 p. - Published in : EPJ Web Conf. 315 (2024) 02002 Fulltext: PDF;
In : International Workshop on Future Linear Colliders (LCWS2024), Tokyo, Jp, 8 Jul - 8 Nov 2024, pp.02002

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2025-02-06
08:13
Optimisation of the CLIC positron capture LINAC taking into account Beam Loading effects / Mesbah, Nafiseh (CERN ; IPM, Tehran) ; Doebert, Steffen (CERN) ; Dayyani Kelisani, Mohsen (CERN ; IPM, Tehran) ; Latina, Andrea (CERN) ; Zhao, Yongke (CERN) ; Herrador, Javier Olivares (CERN)
This paper investigates Beam Loading in the positron source capture Linac of the Compact Linear Collider (CLIC). Beam Loading, caused by interactions between beam with accelerating cavities, leads to a reduction in the accelerating gradient, negatively affecting the Linac performance. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 315 (2024) 02001 Fulltext: PDF;
In : International Workshop on Future Linear Colliders (LCWS2024), Tokyo, Jp, 8 Jul - 8 Nov 2024, pp.02001

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2025-02-04
06:47
Construction and Analysis of a Modified Nb3Sn 11 T Short Dipole Model / Cabrera, Carmen Abad (CERN) ; Perini, Diego (CERN) ; Bampton, Tavis Alexander (CERN) ; Bahmane, Oussama Id (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Bourcey, Nicolas (CERN) ; Devred, Arnaud (CERN) ; Vez, Ruth Diaz (CERN) ; Garion, Cedric (CERN) ; Guinchard, Michael (CERN) et al.
The 5.2-m-long, 11 T double-aperture Nb3Sn Dipole Magnet was designed to replace some of the standard, 15-m-long 8.3 T Nb–Ti main dipole magnets in the Large Hadron Collider. After the production and test of several of 2-m-long models, the test of full-length 11 T series magnets revealed signs of performance degradation in the coil ends after a sequence of electromagnetic and thermal cycles. The possible sources for performance degradation were categorized into two groups: issues internal to the coils and issues with the coil support structure, in particular in the magnet ends. [...]
2025 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 1-7 Fulltext: PDF;

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