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Large Research Facilities

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Sometimes, one needs unusually large pieces of equipment to look at the smallest of objects – because only these large machines or facilities can generate the probes that are needed to examine matter in such a way that the information being sought can be obtained. PSI maintains a number of such facilities, making them available as a service for other institutions, but also using them for its own research. These facilities are unique within Switzerland, and PSI is the only location in the world for some of the facilities

Read more at: Large Research Facilities

Further information

  • The Swiss X-ray free-electron laser SwissFEL
  • The Swiss Light Source SLS
  • The SINQ neutron source
  • The SμS muon source
  • The Swiss research infrastructure for particle physics CHRISP
  • The PSI proton accelerator
30 April 2013
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Alternativ-Routen für Velofahrer und Fussgänger

SwissFEL Large Research Facilities

Durch die Bauarbeiten für den SwissFEL kommt es im Würenlinger Wald zu Sperrungen und Umleitungen. Alternativ-Routen für Velofahrer und Fussgänger werden angeboten.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
25 April 2013

Beginning of construction in the Würenlingen forest

SwissFEL Large Research Facilities

Construction work for SwissFEL has now started in the Würenlingen forest, and the building for this new Large Research Facility for the Paul Scherrer Institute PSI will be erected during the next year and a half.

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This is a text from the PSI media archive. The contents may be out-of-date.
24 April 2013
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Research at SwissFEL: Looking into magnetic materials

Large Research Facilities SwissFEL Materials Research

Materials with special magnetic properties play an important role in modern technologies à for example, in the hard disc drives used to store data on a computer. Research at SwissFEL will help us to develop new magnetic materials, and to observe the fast processes in these materials as they happen. Thus, we will be able to see exactly what happens inside a hard disc when its data content is modified.

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This is a text from the PSI media archive. The contents may be out-of-date.
8 April 2013
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X-ray Laser: A novel tool for structural studies of nano-particles

Media Releases Large Research Facilities SwissFEL Future Technologies

Prominent among the planned applications of X-ray free electron laser facilities, such as the future SwissFEL at the Paul Scherrer Institute, PSI, are structural studies of complex nano-particles, down to the scale of individual bio-molecules. A major challenge for such investigations is the mathematical reconstruction of the particle form from the measured scattering data. Researchers at PSI have now demonstrated an optimized mathematical procedure for treating such data, which yields a dramatically improved single-particle structural resolution. The procedure was successfully tested at the Swiss Light Source synchrotron at PSI.

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This is a text from the PSI media archive. The contents may be out-of-date.
28 February 2013

A green light for SwissFEL

SwissFEL Large Research Facilities

The completion of all required approvals gives a green light for the construction of SwissFEL, the new large research facility at the Paul Scherrer Institute PSI.

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This is a text from the PSI media archive. The contents may be out-of-date.
22 February 2013
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Building rights agreement signed

Media Releases SwissFEL Large Research Facilities

A new Large Research Facility, SwissFEL, is to be built in the Würenlingen forest, very close to the Paul Scherrer Institute (PSI). On Friday, February 22, 2013, the building permit was signed with the Citizens’ Commune of Würenlingen.

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This is a text from the PSI media archive. The contents may be out-of-date.
22 February 2013
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Research at SwissFEL: Seeing through the building blocks of life

Large Research Facilities SwissFEL

Experiments at SwissFEL will help us understand important processes in living organisms. They will reveal how vital biomolecules, whose structures cannot be determined using current techniques à are constructed. They will also reveal how the shapes of these molecules change. This knowledge will help us understand disease processes and to develop the drugs needed to treat them.

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This is a text from the PSI media archive. The contents may be out-of-date.
29 January 2013
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SwissFEL – The facility

Large Research Facilities SwissFEL

Inside the SwissFEL, electrons will be accelerated to almost the speed of light, then forced along a curved pathway by very powerful magnets, emitting X-ray light as they travel. SwissFEL is thus composed of an ‘electron gun’ (which generates the electron beam), an accelerator, and an undulator in which the electrons are guided along a wave-like path. An experimental area lies at the end of this track, where the light produced will be used to perform experiments.

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This is a text from the PSI media archive. The contents may be out-of-date.
25 January 2013

Proton size puzzle reinforced!

Media Releases Large Research Facilities Particle physics Research with muons Fundamentals of Nature

An international team of scientists confirmed the surprisingly small value of the proton radius with laser spectroscopy of exotic hydrogen. The experiments were carried out at PSI which is the only research institute in the world providing the necessary amount of muons for the production of the exotic hydrogen atoms made up of a muon and a proton.

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This is a text from the PSI media archive. The contents may be out-of-date.
17 January 2013

The advantages of SwissFEL: Why X-rays?

Large Research Facilities SwissFEL

SwissFEL will generate very short pulses of intense X-ray light with laser-like properties, and will therefore provide new insights into a wide variety of materials. The properties of this special "SwissFEL light" will broaden the scope of experiments that can be carried out at this facility.

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This is a text from the PSI media archive. The contents may be out-of-date.
10 January 2013

Watching substances convert

Large Research Facilities SwissFEL

Experiments at SwissFEL will help us understand in detail how one substance is transformed into another during a chemical reaction. Highest priority will be given to catalytic reactions, as these have numerous industrial applications. This research will point the way towards more energy-efficient industrial processes and environmentally-friendly energy carriers.

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This is a text from the PSI media archive. The contents may be out-of-date.
3 September 2012
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Erschliessungsarbeiten für den SwissFEL starten

SwissFEL Large Research Facilities

Am 3. September 2012 starten die Erschliessungsarbeiten zur neuen Grossforschungsanlage SwissFEL des Paul Scherrer Instituts. Mit ihnen wird die für den SwissFEL notwendige Anbindung an die vorhandene PSI-Infrastruktur hergestellt.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
11 July 2012

Ultra-short X-ray laser pulses precisely surveyed for the first time

Media Releases Large Research Facilities SwissFEL Micro- and Nanotechnology

X-ray lasers are modern light sources from which scientists expect to obtain new knowledge about the structure and function of materials at the atomic level. The scientific value of an X-ray laser stands or falls on the quality of the ultra-short X-ray pulses it produces and which researchers use to illuminate their samples. An international team led by scientists from the Paul Scherer Institute, PSI, has now precisely measured these pulses

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This is a text from the PSI media archive. The contents may be out-of-date.
12 June 2012
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Baugespanne im Würenlinger Wald

SwissFEL Large Research Facilities

Wer in den nächsten Monaten über den Oberen Priorhölzliweg spazierengeht und aufmerksam in den Wald späht, der kann sie entdecken: Das PSI reicht in der zweiten Juniwoche bei der Gemeinde Würenlingen offiziell das Baugesuch für seine neue Grossforschungsanlage SwissFEL ein und hat dafür - wie es für alle Baugesuche üblich ist à auch das zugehörige Baugespann aufstellen lassen.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
12 June 2012
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Baugesuch zu Erschliessungsarbeiten für den SwissFEL eingereicht

SwissFEL Large Research Facilities

Das Paul Scherrer Institut hat am 5. Juni 2012 bei der Gemeinde Würenlingen sein Baugesuch für die Erschliessungsarbeiten zur neuen Grossforschungsanlage SwissFEL eingereicht. Die Ausführung der Erschliessungsarbeiten ist für den Zeitraum August 2012 bis Januar 2013 geplant.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
17 March 2012
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Grosspumpversuch auf geplantem SwissFEL-Gelände

SwissFEL Large Research Facilities

Zur Kühlung des SwissFEL soll Grundwasser genutzt werden. Ein Grosspumpversuch soll nachweisen, dass durch die Wasserentnahme der Grundwasserspiegel nicht übermässig abgesenkt wird und dass insbesondere die Trinkwasserversorgung von Würenlingen, Döttingen und Klein-Döttingen nicht beeinträchtigt wird. Während des Versuchs werden im Juli 2012 zwei Wochen lang 50 Liter Grundwasser pro Sekunde abgepumpt und in die Aare geleitet. Gleichzeitig wird der Grundwasserspiegel an den verschiedenen Entnahmestellen beobachtet. Die Vorbereitungen für den Versuch beginnen im März 2012.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
23 January 2012
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It works: Ultrafast magnetic processes observed live using an X-ray laser

Media Releases Large Research Facilities Future Technologies SwissFEL Materials Research

In first-of-their-kind experiments performed at the American X-ray laser LCLS, a collaboration led by researchers from the Paul Scherrer Institute has been able to precisely follow how the magnetic structure of a material changes. The change of structure was initiated by a laser pulse, and investigated with the help of short X-ray pulses. It appears as if the structure begins to change 400 femtoseconds after the laser pulse strikes. Such investigations will be a major focus of research at the planned Swiss X-ray Laser, SwissFEL, at PSI.

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This is a text from the PSI media archive. The contents may be out-of-date.
7 September 2011
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Diamanten sind auch des Forschers bester Freund

Media Releases Large Research Facilities SwissFEL Micro- and Nanotechnology

Einem vom PSI geleiteten Forscherteam ist es gelungen, harte Röntgenlaserstrahlung 100'000-fach zu konzentrieren und so an einem Punkt Röntgenstrahlung zu erzeugen, die so intensiv war wie wohl nirgends zuvor. Als Linsen verwendeten die Forscher winzige Ringstrukturen aus Diamant à dem Material, das am besten dem Röntgenlaserlicht standhält. Diese Entwicklung schafft die Voraussetzung für einen Teil der Experimente am SwissFEL, dem geplanten Röntgenlaser des PSI.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
1 December 2009

Service to the scientific community

Research Using Synchrotron Light Large Research Facilities Research Using Neutrons Particle physics Research with muons Fundamentals of Nature

Neutrons, synchrotron light and muons are very useful for researchers in a variety of disciplines. Using these probes, we can determine the structure of crystals, they help us understand magnetic processes, or they can reveal the structures of biological materials. However, producing these probes is so difficult that most research groups will not have a neutron, muon or synchrotron light at their own scientific centre.

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This is a text from the PSI media archive. The contents may be out-of-date.
12 November 2009
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Aufbau von Materialien nanogenau untersuchen

Media Releases Research Using Synchrotron Light Large Research Facilities Future Technologies Materials Research

Ein neues Mikroskop an der Synchrotron Lichtquelle Schweiz SLS des Paul Scherrer Instituts wird es möglich machen, den Aufbau von Materialien mit bisher unerreichter Auflösung darzustellen. Dazu werden Forschende einzelne Bereiche in einem Material betrachten, die nur wenige Nanometer (millionstel Millimeter) gross sind, und für jeden dieser Bereiche bestimmen, welche chemischen Elemente darin enthalten sind.This news release is only available in German.

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This is a text from the PSI media archive. The contents may be out-of-date.
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5232 — The magazine of the Paul Scherrer Institute

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