CFEL-NOVA

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2018-12-01
16:30
OpenAccess [PUBDB-2018-05136] Journal Article/Contribution to a conference proceedings
et al
Characterization of Self-Modulated Electron Bunches in an Argon Plasma
9th International Particle Accelerator Conference, VancouverVancouver, Germany, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 Journal of physics / Conference Series Conference Series 1067, 042012 () [10.1088/1742-6596/1067/4/042012]  GO
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 excitation of high acceleration fields. Utilizing the availability of flexible electron beam shaping together with excellent diagnostics including an RF de-flector, a supporting experiment was set up at the electron accelerator PITZ (Photo Injector Test facility at DESY, Zeuthen site), given that the underlying physics is the same. [...]
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2018-12-01
14:01
OpenAccess [PUBDB-2018-05122] Contribution to a conference proceedings/Contribution to a book
et al
Optimisation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ
9th International Particle Accelerator Conference, IPAC'18, VancouverVancouver, Canada, 29 Apr 2018 - 4 May 20182018-04-292018-05-04 Geneva, Switzerland : JACoW Publishing 1648-1650 () [10.18429/JACoW-IPAC2018-TUPML047]  GO
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 the maximum possible energy gain of the PWFA but it is also connected to the maximum percentage of energy that can be extracted from the driver, which is a limiting factor for the efficiency of the accelerator. [...]
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2018-12-01
13:17
OpenAccess [PUBDB-2018-05117] Poster
et al
Optimisation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ
4. Annual MT Meeting, BerlinBerlin, Germany, 12 Jun 2018 - 14 Jun 20182018-06-122018-06-14  GO
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2018-11-30
16:53
OpenAccess [PUBDB-2018-05098] Journal Article
et al
Localising functionalised gold-nanoparticles in murine spinal cords by X-ray fluorescence imaging and background-reduction through spatial filtering for human-sized objects
Accurate in vivo localisation of minimal amounts of functionalised gold-nanoparticles, enabling e.g. early-tumour diagnostics and pharmacokinetic tracking studies, requires a precision imaging system offering very high sensitivity, temporal and spatial resolution, large depth penetration, and arbitrarily long serial measurements. [...]
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2018-11-28
09:43
OpenAccess [PUBDB-2018-04903] Conference Presentation
et al
Plasma acceleration experiments at DESY Zeuthen
DPG - Frühjahrstagung 2018, WürzburgWürzburg, Germany, 19 Mar 2018 - 23 Mar 20182018-03-192018-03-23  GO
Plasma acceleration has attracted a lot of attention in the past decade due to successful acceleration of electrons with gradients exceeding those of conventional accelerator technology by orders of magnitude. An experimental programme was started at the Photoinjector Test Facility, DESY Zeuthen (PITZ), to study aspects of the acceleration mechanisms in beam-driven plasma wakes. [...]
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2018-11-28
08:44
Embargoed OpenAccess [PUBDB-2018-04898] Journal Article/Contribution to a conference proceedings
et al
Photocathode laser based bunch shaping for high transformer ratio plasma wakefield acceleration
3rd European Advanced Accelerator Concepts workshop, EAAC 2017, ElbaElba, Italy, 24 Sep 2017 - 30 Sep 20172017-09-242017-09-30 Nuclear instruments & methods in physics research / A 909, 107 - 110 () [10.1016/j.nima.2018.02.043]  GO
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. [...]
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2017-01-30
16:58
OpenAccess [PUBDB-2017-00801] Book/Report/Dissertation / PhD Thesis

Phase Space Linearization and External Injection of Electron Bunches into Laser-Driven Plasma Wakefields at REGAE
[DESY-THESIS-2017-003]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS 209 pp. () [10.3204/PUBDB-2017-00801] = Dissertation, Universität Hamburg, 2016  GO
Laser Wakefield Acceleration (LWFA) has the potential to become the next-generation accelerationtechnique for electrons. In particular, the large field gradients provided by these plasma-based acceleratorsare an appealing property, promising a significant reduction of size for future machines and user facilities.Despite the unique advantages of these sources, however, as of today, the produced electron bunches cannotyet compete in all beam quality criteria compared to conventional acceleration methods. [...]
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