Holger Huck
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View article: New results on light nuclei, hyperons and hypernuclei from HADES (HADES collaboration)
New results on light nuclei, hyperons and hypernuclei from HADES (HADES collaboration) Open
In March 2019 the HADES experiment recorded 14 billion Ag+Ag collisions at √ s NN = 2.55 GeV as a part of the FAIR phase-0 physics program. In this contribution, we present and investigate our capabilities to reconstruct and analyze weakly…
View article: Transverse Broad-band Impedance Studies of the New In-vacuum Cryogenic Undulator at Bessy II Storage Ring
Transverse Broad-band Impedance Studies of the New In-vacuum Cryogenic Undulator at Bessy II Storage Ring Open
The first radiation from the cryogenic permanent magnet undulator (CPMU17) has been observed in December 2018 at the BESSY II storage ring at HZB, and since then this device has served as a light source for beamline commissioning. It is th…
View article: The Berlin Energy Recovery Linac Project BERLinPro - Status, Plans and Future Opportunities
The Berlin Energy Recovery Linac Project BERLinPro - Status, Plans and Future Opportunities Open
The Helmholtz-Zentrum Berlin is constructing the Energy Recovery Linac Prototype BERLinPro, a SRF based demonstration facility for the science and technology of ERLs for future high power, high brilliance electron beam applications. BERLin…
View article: Design studies of a proof-of-principle experiment on THz SASE FEL at PITZ
Design studies of a proof-of-principle experiment on THz SASE FEL at PITZ Open
A free-electron laser based THz source is undergoing design studies at the Photo Injector Test facility at DESY in Zeuthen (PITZ). It is considered as a prototype for pump-probe experiments at the European XFEL, benefiting from the fact th…
View article: Emittance Reduction of RF Photoinjector Generated Electron Beams by Transverse Laser Beam Shaping
Emittance Reduction of RF Photoinjector Generated Electron Beams by Transverse Laser Beam Shaping Open
Laser pulse shaping is one of the key elements to generate low emittance electron beams with RF photoinjectors. Ultimately high performance can be achieved with ellipsoidal laser pulses, but 3-dimensional shaping is challenging. High beam …
View article: Jitter mitigation in low density discharge plasma cells for wakefield accelerators
Jitter mitigation in low density discharge plasma cells for wakefield accelerators Open
In the field of beam driven acceleration of particles in plasma wakefields (PWFA), the source of the plasma medium is a crucial part of the accelerator setup. Gas discharges have proven to be a reliable and simple type of a plasma source i…
View article: Plasma density measurement by means of self-modulation of long electron bunches
Plasma density measurement by means of self-modulation of long electron bunches Open
We present a new method to determine the electron density of a plasma by measuring the periodicity of modulations introduced to the longitudinal phase space of a relativistic particle bunch by the interaction with the plasma via the self-m…
View article: Characterization of self-modulated electron bunches in an argon plasma
Characterization of self-modulated electron bunches in an argon plasma Open
The self-modulation instability is fundamental for the plasma wakefield acceleration experiment of the AWAKE (Advanced Wakefield Experiment) collaboration at CERN where this effect is used to generate proton bunches for the resonant excita…
View article: Observation of High Transformer Ratio Plasma Wakefield Acceleration
Observation of High Transformer Ratio Plasma Wakefield Acceleration Open
Particle-beam-driven plasma wakefield acceleration (PWFA) enables various novel high-gradient techniques for powering future compact light-source and high-energy physics applications. Here, a driving particle bunch excites a wakefield resp…
View article: Observation of the Self-Modulation Instability via Time-Resolved Measurements
Observation of the Self-Modulation Instability via Time-Resolved Measurements Open
Self-modulation of an electron beam in a plasma has been observed. The propagation of a long (several plasma wavelengths) electron bunch in an overdense plasma resulted in the production of multiple bunches via the self-modulation instabil…
View article: Photocathode laser based bunch shaping for high transformer ratio plasma wakefield acceleration
Photocathode laser based bunch shaping for high transformer ratio plasma wakefield acceleration Open
Beam driven plasma acceleration is one of the most promising candidates for future compact particle accelerator technologies. In this scheme a particle bunch drives a wake in a plasma medium. The fields inside of the wake can be used to ac…
View article: Progress towards slice emittance measurements at PITZ
Progress towards slice emittance measurements at PITZ Open
Transverse emittance is one of the most important properties for high-brightness electron beams used for X-Ray free-electron lasers. The photo injector test facility at DESY in Zeuthen (PITZ) focuses on the development of high-brightness e…
View article: Proof-of-Principle Tests for Slit-scan-based Slice Emittance Measurements at PITZ
Proof-of-Principle Tests for Slit-scan-based Slice Emittance Measurements at PITZ Open
Transverse slice emittance is one of the most important properties of high-brightness electron beams for free-electron lasers (FELs). The photo injector test facility atDESY in Zeuthen (PITZ) develops high-brightness electron sources for m…
View article: Space-Charge Dominated Photoemission in High Gradient Photocathode RF Guns
Space-Charge Dominated Photoemission in High Gradient Photocathode RF Guns Open
The cathode emission physics plays a crucial role in the overall beam dynamics in the gun. Interplays between intricate emission mechanisms in the cathode vicinity strongly influence the cathode quantum efficiency (QE) and the intrinsic em…
View article: Photo Injector Test Facility at DESY, Location Zeuthen (PITZ)
Photo Injector Test Facility at DESY, Location Zeuthen (PITZ) Open
The photo injector test facility at DESY, Zeuthen site (PITZ), was built to test, develop and experimentally optimize high brightness photoelectron sources for superconducting linac driven SASE FELs, such as the Free electron LASer in Hamb…
View article: Optimisation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ
Optimisation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ Open
The transformer ratio, the ratio between maximum accelerating field and maximum decelerating field in the driving bunch of a plasma wakefield accelerator (PWFA), is one of the key aspects of this acceleration scheme. It not only defines th…
View article: Beam Asymmetry Studies with Quadrupole Field Errors in the PITZ Gun Section
Beam Asymmetry Studies with Quadrupole Field Errors in the PITZ Gun Section Open
The Photo Injector Test Facility at DESY in Zeuthen (PITZ) was built to test and optimize high-brightness electron sources for free electron lasers (FELs) like FLASH and European XFEL. Although the beam emittance has been optimized and exp…
View article: Proof-of-Principle Tests for Slit-scan-based Slice Emittance Measurements at PITZ
Proof-of-Principle Tests for Slit-scan-based Slice Emittance Measurements at PITZ Open
Transverse slice emittance is one of the most important properties of high-brightness electron beams for freeelectron lasers (FELs). The photo injector test facility at DESY in Zeuthen (PITZ) develops high-brightness electron sources for m…
View article: Spatio-temporal shaping of photocathode laser pulses for linear electron accelerators
Spatio-temporal shaping of photocathode laser pulses for linear electron accelerators Open
Пространственно-временное профилирование лазерных импульсов для фотокатодов линейных ускорителей электронов, Миронов С.Ю., Андрианов А.В., Гачева Е.И., Зеленогорский В.В., Потемкин А.К., Хазанов Е.А., Бонпорнпрасерт П., Грос М., Гуд Дж.Д.,…
View article: Continuously tunable narrowband pulses in the THz gap from laser-modulated electron bunches in a storage ring
Continuously tunable narrowband pulses in the THz gap from laser-modulated electron bunches in a storage ring Open
This article reports on the generation of narrowband coherent synchrotron radiation from an electron storage ring. For the first time, this kind of radiation was now produced with continuously tunable frequencies in the so-called “THz gap”…
View article: Statistics on High Average Power Operation and Results from the Electron Beam Characterization at PITZ
Statistics on High Average Power Operation and Results from the Electron Beam Characterization at PITZ Open
The Photo Injector Test Facility at DESY in Zeuthen (PITZ) develops, tests and characterizes high brightness electron sources for FLASH and European XFEL. Since these FELs work with superconducting accelerators in pulsed mode, also the cor…
View article: Experimental Optimization and Characterization of Electron Beams for Generating IR/THz SASE FEL Radiation with PITZ
Experimental Optimization and Characterization of Electron Beams for Generating IR/THz SASE FEL Radiation with PITZ Open
The Photo Injector Test facility at DESY, Zeuthen site (PITZ), develops high brightness electron sources for modern linac-based Free Electron Lasers (FELs). The PITZ accelerator can also be considered as a suitable machine for the developm…
View article: Latest News on High Average RF Power Operation at PITZ
Latest News on High Average RF Power Operation at PITZ Open
The Photo Injector Test Facility at DESY in Zeuthen (PITZ) develops, tests and characterizes high brightness electron sources for FLASH and European XFEL. Since these FELs work with superconducting accelerators in pulsed mode, also the cor…
View article: Progress on the PITZ TDS
Progress on the PITZ TDS Open
A transverse deflecting system (TDS) is under commissioning at the Photo Injector Test Facility at DESY, Zeuthen site (PITZ). The structure was designed and manufactured by the Institute for Nuclear Research (INR RAS, Moscow, Russia) as pr…
View article: Investigations on Electron Beam Imperfections at PITZ
Investigations on Electron Beam Imperfections at PITZ Open
Since more than a decade, the photo injector test facility at DESY, Zeuthen site (PITZ), has developed and optimized high brightness electron sources for modern Free Electros Lasers like FLASH and the European XFEL. Despite a very high per…
View article: Experimental Investigation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ
Experimental Investigation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ Open
Plasma wakefield acceleration (PWFA), the acceleration of particles in a plasma wakefield driven by high current-density particle bunches, is one of the most promising candidates for a future compact accelerator technology. A key aspect of…