Roxana Tarkeshian
Scientist
-
MailRoxana.Tarkeshian [at] esss.se
-
Phone
-
Mobile
-
LinkedIn
Current Projects and Collaborations
Staff Scientist @ European Spallation Source (ESS) ERIC, Lund, Sweden
- Group: ESS beam Physics, Operation and Diagnostics:
- Contribution: System lead for Emittance Measurement Units (EMUs) and Non invasive Profile Monitors (NPMs) along normal and superconducting linear proton beam accelerator.
Selected Publications
- D. Rohrbach, et al., Physical review Acc. Beams. 22, 090702 2019, THz driven surface plasmon undulatory as a compact highly directional narrow band incoherent x-ray source
- R. Tarkeshian, et al., Physical review X 8 (2), 021039 2018, Transverse space-charge field-induced plasma dynamics for ultra-intense electron-beam characterization
- A. Adelmann, et al., Applied Sciences 8 (3), 443 2018, Real-Time Tomography of Gas-Jets with a Wollaston Interferometer
- K. Rieger, eet al., Review of Scientific Instruments 88 (2), 025110 2017 , GHz modulation detection using a streak camera: Suitability of streak cameras in the AWAKE experiment
- A Caldwell, et al., Nuclear Instruments and Methods in Physics Research Section A 829 3 2016, Path to AWAKE: Evolution of the concept
- R. Assmann, et al., Plasma Physics and Controlled Fusion 56 (8), 084013 78 2014, Proton-driven plasma wakefield acceleration: a path to the future of high-energy particle physics
- R. Tarkeshian, et al., Proc. EPS13 P4210 2013, High Sensitivity Plasma Electron Density Measurements in Sources for a Proton-Driven Plasma Wakefield Accelerator
- S. Ackermann, et al., Physical review letters 111 (11), 114801 2013, Generation of coherent 19-and 38-nm radiation at a free-electron laser directly seeded at 38 nm
- O. Reimann and R. Tarkeshian, IBIC13 TUPC39 2013, Dispersive Fourier-Transform Electrooptical Sampling for Single-Shot Modulation Measurement in a Proton-Driven Plasma Wakefield Accelerator
- R. Tarkeshian et al., Proc. PAC11 WEOCN6 2011, Femtosecond Temporal Overlap of Injected Electron Beam and EUV Pulse at sFLASH
Career History
Staff Scientist @ DESY laboratory, Hamburg, Germany (2018)
- Project: ATHENA: Accelerator Technology HElmholtz iNfrAstructure
- Contribution: Ionization-based technique for micron cube electron beam characterization at FLASHForward and EUPRAXIA
Scientific assistant @ Institute of Applied Physics, Bern University, Bern Switzerland (2017-2018)
- Project: Advanced particle beam diagnostics (THz particle beam streaking, Graphene-plasmon undulator, Plasma based charge density measurements)
- Contribution: Numerical modeling, design and development of first prototype, Project management and forming international collaboration (Reference)
COFUND Marie-Skodowska-Curie Fellow @ Paul Scherrer Institut, Villigen, Switzerland (2015-2017)
- Proposal: Plasma-based instrumentation for micron cube particle beam characterization
- Contribution: Numerical modeling, design and development of first prototype, Project management and forming international collaboration
Research assistant @ Max Planck Institut für Physik, Munich, Germany (2012-2015)
- Project: AWAKE: Proton-driven plasma Wakefield acceleration experiment at SPS-CERN.
- Contribution: Optical diagnostics for proton beam modulation measurements. (Streaking technique, Dispersive Fourier-Technique methods)
PhD NaturWissenschaft, DESY- Hamburg University, Hamburg, Germany ( 2008-2012)
- Project: sFLASH: HHG seeding of FLASH FEL at 38nm.
- Contribution: Femtosecond Resolved Diagnostics for Electron Beam and XUV Seed Temporal Overlap at sFLASH (Thesis)