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Inthe city of Dresden carried the title "City of Science", and founded the network Dresden - City of Sciencewhich has been active ever since. One popular event supported by the network partners in Dresden is the Dresden Long Night of Sciences. HZDR is a member of the "Charter of Diversity"an initiative encouraging diversity in business companies and public institutions.

It Is leighton meester hookup anyone 2019 supported by the German federal government, the chancellor of Germany being its patron.

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When light pulses from an extremely powerful laser system are fired onto material samples, the electric field of the light rips the electrons off the atomic nuclei. For fractions of a second, a plasma is created. The electrons couple with the laser light in the process, thereby almost reaching the speed of light.

When flying out Is leighton meester hookup anyone 2019 the material sample, they pull the atomic cores ions behind them. In order to experimentally investigate this complex acceleration process, researchers from the German research center Helmholtz-Zentrum Dresden-Rossendorf HZDR have developed a novel type of diagnostics for innovative laser-based particle accelerators.

Besides clinics, the new accelerator technology could also benefit universities and research institutions. However, much research and development work is needed before the technology is ready for use.

However, to megaelectronvolts are required to irradiate a tumor with protons. Thanks to its ultrashort pulses in the range of a few femtoseconds — a time during which a light beam crosses just a fraction of a human hair — the DRACO laser achieves a power of almost one petawatt.

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This corresponds to one hundred times the average electrical power generated worldwide. To achieve this feat, the scientists need two special lasers at the same time: When striking the material sample targetit ignites the plasma. The second laser is an X-ray laser, which is used to precisely record the individual processes: The scattering patterns below show the complex particle-acceleration process.

Several years of work were necessary to access these areas and obtain clean signals on the scattering images of the X-ray laser.

For the physicists involved in the experiments, a specific detail from their calculations made for a particular eye-opener.

The fact that this detail predicted by the calculations could be discovered in the experiment, which after all lasts only ten femtoseconds, raises hopes — for instance, to be able to observe further spontaneous pattern formations instabilities. These can be caused, for example, by the oscillation of the electrons in the electromagnetic field of the laser. The researchers are interested in identifying instabilities that disrupt the acceleration of the electrons and ions — with the aim of avoiding them by selecting suitable targets, for example.

The laser scientists expect the new HIBEF facility to provide many more insights into plasma acceleration. In this way, the HZDR researchers aim to move gradually closer to their goal of developing an ultra-compact laser accelerator for the proton therapy Is leighton meester hookup anyone 2019 cancer.

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With the aid of the powerful X-ray free-electron laser at SLAC in California, they were able to investigate the plasma processes for the first time on the small scales of a few nanometers and femtoseconds on which the turbulent laser interaction with the particles to be accelerated takes place.

In the future, the processes could thus be optimized and the compact laser-based particle accelerators could be used, for example, for tumor irradiation using protons. High electron density thanks to finger structure For the physicists involved in the experiments, a specific detail from their calculations made for a particular eye-opener.

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