133 Works

CERN Yellow Reports: School Proceedings, Vol 4 (2017): Proceedings of the 2015 European School of High-Energy Physics

CERN
Bansko, Bulgaria -- 2-15 September 2015 Edited by Martijn Mulders and Giulia Zanderighi CERN-2017-008-SP, ISBN 978–92–9083–472–4 (paperback), ISBN 978–92–9083–473–1 (PDF)

CERN Yellow Reports: School Proceedings, Vol 2 (2018): Proceedings of the 2016 Asia-Europe-Pacific School of High-Energy Physics

CERN
Beijing, China - 12--25 October 2016 Editors: M. Mulders, C.Z. Yuan CERN-2018-004-SP, ISBN 978–92–9083–500–4 (paperback) ISBN 978–92–9083–501–1 (PDF)

CERN Yellow Reports: School Proceedings, Vol 3 (2018): Proceedings of the 2017 European School of High-Energy Physics

CERN
Evora, Portugal - 6--19 September 2017 Editors: M. Mulders, G. Zanderighi CERN-2018-006-SP, ISBN 978–92–9083–504–2 (paperback), ISBN 978–92–9083–505–9 (PDF)

Injection: Hadron Beams

Chiara Bracco
The injection process consists in placing a particle beam into a circular hadron accelerator or accumulator at the right time, on the correct orbit, with the right phase-space parameters and minimising the beam losses. Injection insertions are one of the most complex parts of an accelerator and, if not properly designed, can compromise the beam quality and, in the worst case, bring to machine damage. An overview on the main principles and hardware used for...

CERN Yellow Reports: School Proceedings, Vol 5 (2017): Proceedings of the 2016 European School of High-Energy Physics

CERN
Skeikampen, Norway -- 15 – 28 June 2016 Edited by Martijn Mulders and Giulia Zanderighi CERN-2017-009-SP, ISBN 978–92–9083–476–2 (paperback), ISBN 978–92–9083–477–9 (PDF)

CERN Yellow Reports: School Proceedings, Vol 5 (2018): Proceedings of the CAS-CERN Accelerator School on Beam Injection, Extraction and Transfer

CERN
Erice, Italy - 10 – 19 March 2017 Editor: Bernhard Holzer CERN-2018-008-SP, ISBN 978–92–9083–508–0 (paperback) ISBN 978–92–9083–509–7 (PDF)

CERN Yellow Reports: School Proceedings, Vol 4 (2018): Proceedings of the 2017 CERN–Latin-American School of High-Energy Physics

CERN
San Juan del Rio, Mexico - 8-21 March 2017 Editors: M. Mulders G. Zanderighi CERN-2018-007-SP, ISBN 978–92–9083–502–8 (paperback) ISBN 978–92–9083–503–5 (PDF)

CERN Yellow Reports: School Proceedings, Vol 1 (2017): Proceedings of the CAS-CERN Accelerator School on Accelerators for Medical Applications

CERN
Vösendorf, Austria, 26 May - 5 June, 2015 Edited by Roger Bailey CERN-2017-004-SP, ISBN 978–92–9083–455–7 (paperback), ISBN 978–92–9083–456–4 (PDF)

CERN Yellow Reports: School Proceedings, Vol 3 (2017): Proceedings of the CAS-CERN Accelerator School on Intensity Limitations in Particle Beams

CERN
Geneva, Switzerland -- 2-11 November 2015 Editedy by Werner Herr CERN-2017-006-SP, ISBN 978–92–9083–462–5 (paperback), ISBN 978–92–9083–463–2 (PDF)

CERN Yellow Reports: School Proceedings, Vol 1 (2018): Proceedings of the CAS-CERN Accelerator School on Free Electron Lasers and Energy Recovery Linacs

CERN
Hamburg, Germany, 31 May– 10 June 2016 Edited by Roger Bailey CERN-2018-001-SP, ISBN 978–92–9083–482–3 (paperback), ISBN 978–92–9083–483–0 (PDF)

CERN Yellow Reports: School Proceedings, Vol 2 (2017): Proceedings of the 2014 Asia-Europe-Pacific School of High-Energy Physics

CERN
Puri, India -- 4-17 November 2014 Edited by Martijn Mulders and Rohini Godbole CERN-2017-005-SP, ISBN 978–92–9083–460–1 (paperback), ISBN 978–92–9083–461–8 (PDF)

Imaging in Radiotherapy

Katia Parodi
With the continued evolution of modern radiation therapy towards high precision delivery of high therapeutic doses to the tumour while optimally sparing surrounding healthy tissue, imaging becomes a crucial component to identify the intended target, properly position it at the treatment site and, in more advanced research applications, visualize the treatment delivery. This contribution reviews the main role of imaging in modern external beam radiation therapy, with special emphasis on emerging ion beam therapy techniques,...

The European XFEL—Status and commissioning

Hans Weise
The European XFEL under construction in Hamburg, Northern Germany, aims to produce X-rays in the range 260 eV to 24 keV using three undulators that can be operated simultaneously with up to 27,000 pulses per second. The FEL is driven by a 17.5 GeV superconducting linac. Installation of this linac is now finished and commissioning will take place next. First lasing is expected for spring 2017. This paper summarizes the status of the project. First...

Multi-bunch Feedback Systems

Presented By H. Schmickler Lonza
Coupled-bunch instabilities excited by the interaction of the particle beam with its surroundings can seriously limit the performance of circular particle accelerators. These instabilities can be cured by the use of active feedback systems based on sensors capable of detecting the unwanted beam motion and actuators that apply the feedback correction to the beam. Advances in electronic technology now allow the implementation of feedback loops using programmable digital systems. Besides important advantages in terms of...

Cyclotrons: Magnetic Design and Beam Dynamics

Simon Zaremba & Wiel Kleeven
Classical, isochronous, and synchro-cyclotrons are introduced. Transverse and longitudinal beam dynamics in these accelerators are covered. The problem of vertical focusing and iscochronism in compact isochronous cyclotrons is treated in some detail. Different methods for isochronization of the cyclotron magnetic field are discussed. The limits of the classical cyclotron are explained. Typical features of the synchro-cyclotron, such as the beam capture problem, stable phase motion, and the extraction problem are discussed. The main design goals...

Pendulum Equations and Low Gain Regime

Sven Reiche
This paper introduces the theoretical framework for the motion of an electron in the periodic field of an undulator and wiggler. It is a continuation of the previous article on motion in the undulator but includes the interaction with a co-propagating radiation field. The longitudinal motion of each electron is similar to a pendulum and, in resonance with the co-propagating field, energy can be exchanged between the electron beam and the radiation field in the...

Cosmology and Dark Matter

Igor Tkachev
This lecture course covers cosmology from the particle physicist perspective. Therefore, the emphasis will be on the evidence for the new physics in cosmological and astrophysical data together with minimal theoretical frameworks needed to understand and appreciate the evidence. I review the case for non-baryonic dark matter and describe popular models which incorporate it. In parallel, the story of dark energy will be developed, which includes accelerated expansion of the Universe today, the Universe origin...

Numerical Methods I & II

Kevin Shing Bruce Li
Numerical methods is a fundamental field of research and application in accelerator physics and beam dynamics. It is widely used to study intensity effects and limitations in accelerators and becomes more important still in regimes where the simple analytical models break down and experiments can not be easily conducted. In this course we will introduce some basic concepts of numerical methods used to study collective effects in circular accelerators. The course covers macroparticle models, the...

Introduction to Flavour Physics and CP Violation

Monika Blanke
These lecture notes provide an introduction to the theoretical concepts of flavour physics and CP violation, based on a series of lectures given at the ESHEP 2016 summer school. In the first lecture we review the basics of flavour and CP violation in the Standard Model. The second lecture is dedicated to the phenomenology of K and B meson decays, where we focus on a few repre- sentative observables. In the third lecture we give...

Ion Sources for Medical Applications

Santo Gammino
Ion sources are key components of accelerators devoted to different types of medical applications: hadron-therapy facilities (accelerating protons or carbon ions), high-intensity accelerators for boron-neutron capture therapy (using intense proton beams), and facilities for isotope production (using different ion species). The three types of application present different requirements in terms of ion beam quality, reproducibility, and beam availability. Different characteristics of ion sources will be described, along with the reasons why they are particularly interesting...

Motion in the Undulator

Sven Reiche
This paper gives an introduction to the theoretical framework for the motion of an electron in the periodic field of an undulator and wiggler. The equations of motion are derived and solved for planar and helical devices.

Machine Protection

Lars Fröhlich
Conventional linacs used for modern free-electron lasers carry electron beams of unprecedented brightness with average powers ranging from a few watts to hundreds of kilowatts. Energy recovery linacs are already operated as radiation sources with nominal electron beam powers beyond 1 MW, and this figure can only be expected to increase in the future. This lecture discusses the scope of machine protection for these accelerators, reviews the parameters of existing and planned facilities, and gives...

Beam Loss Consequences

Francesco Cerutti
A summary of beam loss types and their effects is presented.

Beam Dynamics in Synchrotrons

Bernhard Holzer
The paper gives an overview of the particle dynamics in synchrotrons and storage rings. Both, transverse as well as the longitudinal plane are described in linear approximation. The main emphasis is to give an introduction into the basic concepts and to allow the reader to deduce the main parameters of the machine, based on some simple scaling laws.

Observations and Diagnostics in High Brightness Beams

Alessandro Cianchi
Brightness is a figure of merit largely used in light sources, such as free-electron lasers, but it is also fundamental in several other applications, for instance, Compton back-scattering sources, beam-driven plasma accelerators and terahertz sources. Advanced diagnostics is mandatory for the development of high brightness beams. 6D electron-beam diagnostics will be reviewed, with emphasis on emittance measurement.

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