Leonid Rivkin
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View article: Damping Ring for the SLAC Linear Collider
Damping Ring for the SLAC Linear Collider Open
The results of a comprehensive set of measurements on the first purposeful 1.21 Ge V high tune, high field damping ring for the SLAC Linear Collider are reported. Current dependent effects such as parasitic mode losses, head tail instabili…
View article: “Spiral COSAMI” — A Multi-Undulator Compact Source for Actinic Mask Inspection in the extreme ultraviolet range
“Spiral COSAMI” — A Multi-Undulator Compact Source for Actinic Mask Inspection in the extreme ultraviolet range Open
A compact electron storage ring provides a bright, stable and reliable source of extreme ultraviolet (EUV) radiation for metrology applications in semiconductor industry. The COSAMI concept (COmpact Synchrotron for Actinic Mass Inspection)…
View article: CHIPP Roadmap for Research and Infrastructure 2025–2028 and beyond by the Swiss Particle Physics Community
CHIPP Roadmap for Research and Infrastructure 2025–2028 and beyond by the Swiss Particle Physics Community Open
This community roadmap presents the visions for future research in particle and astroparticle physics in Switzerland and formulates the needs of these fields in terms of research infrastructure in the years 2025-2028 and beyond. It was est…
View article: CERN Yellow Reports: Monographs, Vol. 10 (2020): High-Luminosity Large Hadron Collider (HL-LHC): Technical design report
CERN Yellow Reports: Monographs, Vol. 10 (2020): High-Luminosity Large Hadron Collider (HL-LHC): Technical design report Open
The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up anew energy frontier for exploration in 2010, it has gathered a global user community of about 9000 scientists working in fundamental…
View article: Application of machine learning techniques at the CERN Large Hadron Collider
Application of machine learning techniques at the CERN Large Hadron Collider Open
Machine learning techniques have been used extensively in several domains of Science and Engineering for decades. These powerful tools have been applied also to the domain of high-energy physics, in the analysis of the data from particle c…
View article: Characterization of the Electron Beam in the ACHIP Chamber in SwissFEL
Characterization of the Electron Beam in the ACHIP Chamber in SwissFEL Open
We have installed an interaction chamber in the electron beam line of SwissFEL. Electrons with a particle energy of 3 GeV are focused to a few-micrometer beam size. Samples placed in this beam can be aligned to the electron beam with a hex…
View article: Design and Principles of Synchrotrons and Circular Colliders
Design and Principles of Synchrotrons and Circular Colliders Open
Lattice design in the context we will describe it here is the design and optimization of the principle elements—the lattice cells—of a circular accelerator, and it includes the dedicated variation of the accelerator elements (as for exampl…
View article: Challenges in simulating beam dynamics of dielectric laser acceleration
Challenges in simulating beam dynamics of dielectric laser acceleration Open
Dielectric Laser Acceleration (DLA) achieves the highest gradients among structure-based electron accelerators. The use of dielectrics increases the breakdown field limit, and thus the achievable gradient, by a factor of at least 10 in com…
View article: Physics Briefing Book
Physics Briefing Book Open
The European Particle Physics Strategy Update (EPPSU) process takes a bottom-up approach, whereby the community is first invited to submit proposals (also called inputs) for projects that it would like to see realised in the near-term, mid…
View article: Physics Briefing Book
Physics Briefing Book Open
The European Particle Physics Strategy Update (EPPSU) process takes a\nbottom-up approach, whereby the community is first invited to submit proposals\n(also called inputs) for projects that it would like to see realised in the\nnear-term, …
View article: Muon Collider. A Path to the Future
Muon Collider. A Path to the Future Open
A muon collider would be both a precision and a powerful discovery machine, because it can offer collisions of point-like particles at very high energies, strongly exceeding the energy reach of other lepton colliders. It can even match the…
View article: Updated High-Energy LHC Design
Updated High-Energy LHC Design Open
We present updated design parameters for a future High-Energy LHC. A more realistic turnaround time has led to a revision of the target peak luminosity, as well as a choice of a larger IP beta function, and longer physics fills. Pushed par…
View article: A high-brightness accelerator-based EUV source for metrology applications
A high-brightness accelerator-based EUV source for metrology applications Open
One of the challenges of actinic metrology tools for EUV lithography is the availability of light sources with high brightness, stability, and availability. In particular, actinic patterned mask inspection on EUV reticles is considered an …
View article: High-Energy LHC design
High-Energy LHC design Open
In the frame of the FCC study we are designing a 27 TeV hadron collider in the LHC tunnel, called the High Energy LHC (HE-LHC). The HE-LHC can be realized by replacing the LHC's 8.33 T niobium-titanium dipole magnets with 16 T niobium-tin …
View article: The High Energy LHC Beam-Beam Effects studies
The High Energy LHC Beam-Beam Effects studies Open
We present in this paper the studies of beam-beam effects for the High Energy Large Hadron Collider. We will describe and review the different aspects of beam-beam interactions (i.e. orbit effects, Landau damping, compensation schemes and …
View article: The ACHIP Experimental Chambers at PSI
The ACHIP Experimental Chambers at PSI Open
The Accelerator on a Chip International Program (ACHIP) is an international collaboration, funded by the Gordon and Betty Moore Foundation, whose goal is to demonstrate that a laser-driven accelerator on a chip can be integrated to fully b…
View article: A Compact High-Brightness Accelerator-based EUV Source for Actinic Mask Inspection
A Compact High-Brightness Accelerator-based EUV Source for Actinic Mask Inspection Open
The design of a compact electron storage ring for the production of high-brightness EUV radiation is presented. Such a source has potentially important metrology applications in the semiconductor industry.
View article: Consolidation and Extension of the High-gradient LINAC RF Technology at PSI
Consolidation and Extension of the High-gradient LINAC RF Technology at PSI Open
For SwissFEL a novel production process for high-gradient, high-precision C-band accelerating structures had been developed at PSI and was implemented for series production in collaboration with industry. The copper parts of the structures…
View article: SwissFEL: The Swiss X-ray Free Electron Laser
SwissFEL: The Swiss X-ray Free Electron Laser Open
The SwissFEL X-ray Free Electron Laser (XFEL) facility started construction at the Paul Scherrer Institute (Villigen, Switzerland) in 2013 and will be ready to accept its first users in 2018 on the Aramis hard X-ray branch. In the followin…
View article: THz streak camera method for synchronous arrival time measurement of two-color hard X-ray FEL pulses
THz streak camera method for synchronous arrival time measurement of two-color hard X-ray FEL pulses Open
The two-color operation of free electron laser (FEL) facilities allows the delivery of two FEL pulses with different energies, which opens new possibilities for user experiments. Measuring the arrival time of both FEL pulses relative to th…
View article: Towards a Fully Integrated Accelerator on a Chip: Dielectric Laser Acceleration (DLA) From the Source to Relativistic Electrons
Towards a Fully Integrated Accelerator on a Chip: Dielectric Laser Acceleration (DLA) From the Source to Relativistic Electrons Open
Dielectric laser acceleration of electrons has recently been demonstrated with significantly higher accelerating gradients than other structure-based linear accelerators. Towards the development of an integrated 1 MeV electron accelerator …
View article: High Power Tests of a Prototype X-Band Accelerating Structure for CLIC
High Power Tests of a Prototype X-Band Accelerating Structure for CLIC Open
We present the design, construction and high-power test of an X-band radio-frequency accelerating structure, built as a prototype for the CERN LInear Collider (CLIC) study. X-band structures have been attracting increasing attention in rec…
View article: PALM Concepts and Considerations
PALM Concepts and Considerations Open
The Photon Arrival and Length Monitor (PALM), a THz streak camera device developed by PSI for non-destructive hard x-ray measurements of photon pulse length and arrival time versus a pump laser*, was brought to the SACLA XFEL** in Japan in…
View article: Simulation of FEL pulse length calculation with THz streaking method
Simulation of FEL pulse length calculation with THz streaking method Open
Having accurate and comprehensive photon diagnostics for the X-ray pulses delivered by free-electron laser (FEL) facilities is of utmost importance. Along with various parameters of the photon beam (such as photon energy, beam intensity, e…