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2025-04-08
06:01
II.16 - Accelerators for medical and industrial applications / Kraaij, Erik Van Der (IBA, Louvain-la-Neuve) ; Kleeven, Wiel (IBA, Louvain-la-Neuve)
Classical, isochronous, and synchro-cyclotrons are introduced. Transverse and longitudinal beam dynamics in these accelerators are covered. [...]
2024 - 24 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1817-1840 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1817-1840 (CERN-2024-003)

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2025-04-08
06:01
Fundamental physics and other applications using nonneutral plasma / Maero, G (Milan U. ; INFN, Milan) ; Hunter, E D (CERN ; Stefan Meyer Inst. Subatomare Phys.) ; Murtagh, D J (Stefan Meyer Inst. Subatomare Phys.) ; Stenson, E V (Greifswald, Max Planck Inst.)
During the last fifty years, nonneutral plasma physics has developed into a definite subfield of basic research, whose main focus has been on the collective properties of systems comprising many charged particles, such as nonlinear dynamics, equilibrium, and stability. And yet, aided by the development of suitable electromagnetic traps and ever-evolving manipulation and detection techniques, this field has branched towards many other applications well beyond the scope of plasma physics, with a notable example being low-energy antimatter. [...]
2024 - 36 p. - Published in : Adv. Phys. X 9 (2024) 2367438 Fulltext: PDF;

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2025-04-08
04:11
Jet bundle geometry of scalar field theories / Alminawi, Mohammad (Zurich U.) ; Brivio, Ilaria (Zurich U. ; Bologna U. ; INFN, Bologna) ; Davighi, Joe (Zurich U. ; CERN)
For scalar field theories, such as those EFTs describing the Higgs, it is well-known that the 2-derivative Lagrangian is captured by geometry. That is, the set of operators with exactly 2 derivatives can be obtained by pulling back a metric from a field space manifold M to spacetime Σ. [...]
arXiv:2308.00017.- 2024-10-10 - 86 p. - Published in : J. Phys. A Fulltext: Publication - PDF; 2308.00017 - PDF; document - PDF;

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2025-04-08
04:08
BPZ equations for higher degenerate fields and nonperturbative Dyson-Schwinger equations / Jeong, Saebyeok (YITP, Stony Brook ; CERN ; Rutgers U., Piscataway (main)) ; Zhang, Xinyu (YITP, Stony Brook ; Rutgers U., Piscataway (main) ; Zhejiang U., Inst. Mod. Phys.)
In the two-dimensional Liouville conformal field theory, correlation functions involving a degenerate field satisfy partial differential equations due to the decoupling of the null descendant field. On the other hand, the instanton partition function of a four-dimensional N=2 supersymmetric theory in the Ω-background at a special point of the parameter space also satisfies a partial differential equation resulting from the constraints of the gauge field configurations. [...]
arXiv:1710.06970; YITP-SB-17-48.- 2024-06-07 - 19 p. - Published in : Phys. Rev. D 109 (2024) 125006 Fulltext: 1710.06970 - PDF; Publication - PDF;

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2025-04-08
04:08
Effect of surface orientation on blistering of copper under high fluence keV hydrogen ion irradiation / Lopez-Cazalilla, A. (Helsinki U.) ; Serafim, C. (Helsinki U. ; CERN) ; Kimari, J. (Helsinki U. ; Royal Inst. Tech., Stockholm) ; Ghaemi, M. (Helsinki U.) ; Perez-Fontenla, A.T. (CERN) ; Calatroni, S. (CERN) ; Grudiev, A. (CERN) ; Wuensch, W. (CERN) ; Djurabekova, F. (Helsinki U.)
Copper and hydrogen are among the most common elements that are widely used in industrial and fundamental research applications. Copper surfaces are often exposed to hydrogen in the form of charged ions. [...]
arXiv:2503.12480.- 2025-03-16 - 12 p. - Published in : Acta Mater. 266 (2024) 119699 Fulltext: Publication - PDF; 2503.12480 - PDF;

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2025-04-05
06:20
II.13 - Radiation safety / Queralt, Xavier (Rutherford Appleton Laboratory)
The purpose of this lecture is to provide insight into the importance of managing ionising radiation hazard. Unfortunately, this hazard cannot be removed when operating with accelerators, and the level of the risk depends on the type and usage of the accelerators. Understanding why radiation safety is needed and the lessons learned from serious accidents involving the ionising radiation hazard is essential. [...]
2024 - 103 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1653-1755 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1653-1755 (CERN-2024-003)

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2025-04-05
06:20
II.14 - Applications of low-energy accelerators / Mondelaers, Willy (Gent U.)
Particle accelerators have been invented and developed almost exclusively as tools for the exploration of the subatomic world. In the wake of these big high-energy facilities, about forty-five thousand small accelerators are at work every day, almost unnoticed. These accelerators, which represent about 95% of all accelerators operating worldwide, have an energy not larger than 50 MeV [...]
2024 - 38 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1757-1794 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1757-1794 (CERN-2024-003)

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2025-04-05
06:20
II.11 - Survey and alignment of accelerators / Gayde, Jean-Christophe (CERN)
The present chapter summarizes the survey and alignment processes of accelerators and transfer lines. The major geodetic principles governing the survey and alignment measurement space are revisited and their relationship to a lattice coordinate system shown. [...]
2024 - 35 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1601-1635 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1601-1635 (CERN-2024-003)

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2025-04-05
06:20
II.12 - Accelerator controls / Zimoch, Elke (PSI, Villigen)
All particle accelerators depend on control systems to integrate different devices and the autonomous controllers that are distributed throughout the facility into one coherent infrastructure. The control system provides an abstraction layer between hardware and the operators, and creates the environment that allows scientists to carry out their experiments. [...]
2024 - 15 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1637-1651 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1637-1651 (CERN-2024-003)

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2025-04-05
06:20
II-15 - High-power proton linacs / Eshraqi, Mamad (ESS, Lund)
High-power proton linacs are envisaged as drivers for numerous applications, such as neutron spallation sources for condensed matter study, neutrino factories, muon colliders, hybrid systems for transmutation or energy production, production of rare isotope beams for nuclear physics studies, etc. These linear accelerators are intended to deliver proton beams of up to several MW and tens of MW power and operate with CW or pulsed high-intensity beams. [...]
2024 - 21 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1795-1815 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1795-1815 (CERN-2024-003)

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