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Double topping-out celebrations at DESY

Two new experimental halls for research light source PETRA III. Ten additional beamlines to start operations in 2015.

DESY has been celebrating the topping-out of two large experimental halls for the research light source PETRA III this week.Ten additional beamlines, which will serve in the PETRA III particle accelerator’s high intensity X-ray experiments, are under construction in a space measuring approximately 6000 square meters; the facility will also include en-suite offices and laboratory spaces for scientists.The experimentation capabilities at the PETRA III synchrotron radiation source will be considerably increased due to the expansion project.The first new beamlines of the 80-million-Euro-project will be ready for operation beginning in autumn 2015.

Synchrotron radiation source with new research options

“With the new experimental stations, we are significantly expanding the research capabilities of PETRA III, for example, with new nanospectroscopy and materials research technologies,” says Chairman of the DESY Board of Directors Professor Helmut Dosch at the event. “At the same time, we will be fulfilling the enormous global demand for the best synchrotron radiation source in the world.” Hamburg´s Science Senator Dr. Dorothee Stapelfeldt says: “The senate’s aim is to develop Hamburg into one of the leading locations for research and innovation in Europe.In order to do so, it is essential to further raise the profiles of universities and research institutions in close dialogue with all stakeholders.Hamburg already occupies a leading position in structural research.The ground-breaking cooperation between DESY, the university and their partners at the Bahrenfeld research campus has been clearly recognized internationally. With the two new experimental halls, PETRA’s synchrotron radiation will be made available to even more researchers from all over the world in the future.” “With a total of ten new beamlines, the allure of Hamburg as a location for cutting-edge research will continue to increase, nationally and internationally,” says Dr. Beatrix Vierkorn-Rudolph (BMBF), Chairperson of the DESY Foundation Council. “With its excellent research opportunities, PETRA III contributes to rapidly transfering the results of basic research into application while also strengthening the innovative power of Germany.”

High intensity X-ray pulses for research

DESY’s 2.3-kilometre-long PETRA III ring accelerator produces high intensity, highly collimated X-ray pulses for a diverse range of physical, biological and chemical experiments.Fourteen measuring stations, which can accommodate up to thirty experiments, already exist in an approximately 300-metre-long experimental hall.The properties of light pulses, which PETRA delivers to the different measuring stations, are thereby precisely attuned to the different research disciplines.Using the extremely brilliant X-rays, researchers study, for example, innovative solar cells, observe the dynamics of cell membranes and analyse fossilised dinosaur eggs. PETRA III, the world´s best X-ray source of its kind, has been heavily over-booked since it began operations in 2009.

The PETRA III Extension Project was begun in December 2013 to give more scientists access to the unique experimental possibilities of this research light source and to broaden PETRA III’s research portfolio in experimental technologies. Three of the future PETRA beamlines will be constructed as an international partnership with Sweden, India, and Russia.

Extension is also an international projects

Altogether,170 metres of the PETRA tunnel and accelerator have been dismantled since February to build the new experimental halls. Since August, the accelerator, equipped with special magnets for producing X-ray radiation, has been under reconstruction within the new tunnel areas that have already been completed. After the preliminary construction phase of the experimental halls, they are to be developed further from December 2014 onward; the accelerator will at the same time resume operation.The experiments will re-start in the PETRA III experimental hall “Max von Laue” beginning in April 2015 and the first measuring stations in the new, still unnamed halls should gradually become ready for operation in autumn 2015 and the start of 2016.

The extension’s total budget of approximately 80 million Euros stems in large part from the Helmholtz Association’s expansion funds as well as funds from the Federal Ministry of Research, the Free and Hanseatic City of Hamburg and DESY.Collaborative partners from Germany and abroad cover approximately one third of the cost.

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