Calibration and cross-laboratory implementation of scintillating screens for electron bunch charge determination
We revise the calibration of scintillating screens commonly used to detect relativistic electron
beams with low average current, eg, from laser-plasma accelerators, based on new and …
beams with low average current, eg, from laser-plasma accelerators, based on new and …
Tomographic characterisation of gas-jet targets for laser wakefield acceleration
JP Couperus, A Köhler, TAW Wolterink… - Nuclear Instruments and …, 2016 - Elsevier
Laser wakefield acceleration (LWFA) has emerged as a promising concept for the next
generation of high energy electron accelerators. The acceleration medium is provided by a target …
generation of high energy electron accelerators. The acceleration medium is provided by a target …
[HTML][HTML] Progress in hybrid plasma wakefield acceleration
Plasma wakefield accelerators can be driven either by intense laser pulses (LWFA) or by
intense particle beams (PWFA). A third approach that combines the complementary …
intense particle beams (PWFA). A third approach that combines the complementary …
[PDF][PDF] Macrophytes as bioindicators
A Kohler, S Schneider - Large Rivers, 2003 - Citeseer
Submerged macrophytes respond to changes in the nutrient concentrations in their environment.
In contrast to diatoms eg, submerged macrophytes are capable of taking up nutrients …
In contrast to diatoms eg, submerged macrophytes are capable of taking up nutrients …
Effect of driver charge on wakefield characteristics in a plasma accelerator probed by femtosecond shadowgraphy
…, B Hidding, S Karsch, A Köhler… - New Journal of …, 2022 - iopscience.iop.org
We report on experimental investigations of plasma wave structures in a plasma wakefield
acceleration (PWFA) stage which is driven by electron beams from a preceding laser plasma …
acceleration (PWFA) stage which is driven by electron beams from a preceding laser plasma …
Multioctave high-dynamic range optical spectrometer for single-pulse, longitudinal characterization of ultrashort electron bunches
O Zarini, JC Cabadağ, YY Chang, A Köhler, T Kurz… - … Review Accelerators and …, 2022 - APS
We present design and realization of an ultrabroadband optical spectrometer capable of
measuring the spectral intensity of multioctave-spanning light sources on a single-pulse basis …
measuring the spectral intensity of multioctave-spanning light sources on a single-pulse basis …
[HTML][HTML] Clinical Results of Transarterial Radioembolization (TARE) with Holmium-166 Microspheres in the Multidisciplinary Oncologic Treatment of Patients with …
R Drescher, A Köhler, P Seifert, R Aschenbach, T Ernst… - Biomedicines, 2023 - mdpi.com
Holmium-166 microspheres are used for the transarterial radioembolization (TARE) treatment
of primary and secondary liver cancers. In this study, its efficacy regarding local tumor …
of primary and secondary liver cancers. In this study, its efficacy regarding local tumor …
Regeneration growth of the invasive clonal forb Rorippa austriaca (Brassicaceae) in relation to fertilization and interspecific competition
H Dietz, A Köhler, I Ullmann - Plant Ecology, 2002 - Springer
A special type of clonal growth, spread by lateral roots, ishypothesized to be a favourable
trait of invasive, opportunistic plant speciesof disturbed habitats. We tested this hypothesis for …
trait of invasive, opportunistic plant speciesof disturbed habitats. We tested this hypothesis for …
[HTML][HTML] Flowability, tear strength, and hydrophilicity of current elastomers for dental impressions
This study investigates 2 polyethers (PE), 2 polyvinylsiloxanethers (VXSE), and 10
polyvinylsiloxanes (PVS), seven of which had a corresponding light-body consistency and seven of …
polyvinylsiloxanes (PVS), seven of which had a corresponding light-body consistency and seven of …
Single-shot betatron source size measurement from a laser-wakefield accelerator
A Köhler, JP Couperus, O Zarini, A Jochmann… - Nuclear Instruments and …, 2016 - Elsevier
Betatron radiation emitted by accelerated electrons in laser-wakefield accelerators can be
used as a diagnostic tool to investigate electron dynamics during the acceleration process. …
used as a diagnostic tool to investigate electron dynamics during the acceleration process. …